author | alanb |
Tue, 15 May 2018 09:33:02 +0100 | |
changeset 50109 | ea54197f4fe4 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
2 |
* Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
package java.sql; |
|
27 |
||
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
28 |
import java.util.regex.Pattern; |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
29 |
import static java.util.stream.Collectors.joining; |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
30 |
|
2 | 31 |
/** |
32 |
* <P>The object used for executing a static SQL statement |
|
33 |
* and returning the results it produces. |
|
34 |
* <P> |
|
35 |
* By default, only one <code>ResultSet</code> object per <code>Statement</code> |
|
36 |
* object can be open at the same time. Therefore, if the reading of one |
|
37 |
* <code>ResultSet</code> object is interleaved |
|
38 |
* with the reading of another, each must have been generated by |
|
39 |
* different <code>Statement</code> objects. All execution methods in the |
|
21278 | 40 |
* <code>Statement</code> interface implicitly close a current |
41 |
* <code>ResultSet</code> object of the statement if an open one exists. |
|
2 | 42 |
* |
43 |
* @see Connection#createStatement |
|
44 |
* @see ResultSet |
|
44256 | 45 |
* @since 1.1 |
2 | 46 |
*/ |
6540 | 47 |
public interface Statement extends Wrapper, AutoCloseable { |
2 | 48 |
|
49 |
/** |
|
50 |
* Executes the given SQL statement, which returns a single |
|
51 |
* <code>ResultSet</code> object. |
|
6540 | 52 |
*<p> |
53 |
* <strong>Note:</strong>This method cannot be called on a |
|
54 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 55 |
* @param sql an SQL statement to be sent to the database, typically a |
56 |
* static SQL <code>SELECT</code> statement |
|
57 |
* @return a <code>ResultSet</code> object that contains the data produced |
|
58 |
* by the given query; never <code>null</code> |
|
59 |
* @exception SQLException if a database access error occurs, |
|
6540 | 60 |
* this method is called on a closed <code>Statement</code>, the given |
2 | 61 |
* SQL statement produces anything other than a single |
6540 | 62 |
* <code>ResultSet</code> object, the method is called on a |
63 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
64 |
* @throws SQLTimeoutException when the driver has determined that the |
|
65 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
66 |
* method has been exceeded and has at least attempted to cancel |
|
67 |
* the currently running {@code Statement} |
|
2 | 68 |
*/ |
69 |
ResultSet executeQuery(String sql) throws SQLException; |
|
70 |
||
71 |
/** |
|
72 |
* Executes the given SQL statement, which may be an <code>INSERT</code>, |
|
73 |
* <code>UPDATE</code>, or <code>DELETE</code> statement or an |
|
74 |
* SQL statement that returns nothing, such as an SQL DDL statement. |
|
6540 | 75 |
*<p> |
76 |
* <strong>Note:</strong>This method cannot be called on a |
|
77 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 78 |
* @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
79 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
80 |
* such as a DDL statement. |
|
81 |
* |
|
82 |
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
|
83 |
* or (2) 0 for SQL statements that return nothing |
|
84 |
* |
|
85 |
* @exception SQLException if a database access error occurs, |
|
6540 | 86 |
* this method is called on a closed <code>Statement</code>, the given |
87 |
* SQL statement produces a <code>ResultSet</code> object, the method is called on a |
|
88 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
89 |
* @throws SQLTimeoutException when the driver has determined that the |
|
90 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
91 |
* method has been exceeded and has at least attempted to cancel |
|
92 |
* the currently running {@code Statement} |
|
2 | 93 |
*/ |
94 |
int executeUpdate(String sql) throws SQLException; |
|
95 |
||
96 |
/** |
|
97 |
* Releases this <code>Statement</code> object's database |
|
98 |
* and JDBC resources immediately instead of waiting for |
|
99 |
* this to happen when it is automatically closed. |
|
100 |
* It is generally good practice to release resources as soon as |
|
101 |
* you are finished with them to avoid tying up database |
|
102 |
* resources. |
|
103 |
* <P> |
|
104 |
* Calling the method <code>close</code> on a <code>Statement</code> |
|
105 |
* object that is already closed has no effect. |
|
106 |
* <P> |
|
107 |
* <B>Note:</B>When a <code>Statement</code> object is |
|
108 |
* closed, its current <code>ResultSet</code> object, if one exists, is |
|
109 |
* also closed. |
|
110 |
* |
|
111 |
* @exception SQLException if a database access error occurs |
|
112 |
*/ |
|
113 |
void close() throws SQLException; |
|
114 |
||
115 |
//---------------------------------------------------------------------- |
|
116 |
||
117 |
/** |
|
118 |
* Retrieves the maximum number of bytes that can be |
|
119 |
* returned for character and binary column values in a <code>ResultSet</code> |
|
120 |
* object produced by this <code>Statement</code> object. |
|
121 |
* This limit applies only to <code>BINARY</code>, <code>VARBINARY</code>, |
|
122 |
* <code>LONGVARBINARY</code>, <code>CHAR</code>, <code>VARCHAR</code>, |
|
123 |
* <code>NCHAR</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</code> |
|
124 |
* and <code>LONGVARCHAR</code> columns. If the limit is exceeded, the |
|
125 |
* excess data is silently discarded. |
|
126 |
* |
|
127 |
* @return the current column size limit for columns storing character and |
|
128 |
* binary values; zero means there is no limit |
|
129 |
* @exception SQLException if a database access error occurs or |
|
130 |
* this method is called on a closed <code>Statement</code> |
|
131 |
* @see #setMaxFieldSize |
|
132 |
*/ |
|
133 |
int getMaxFieldSize() throws SQLException; |
|
134 |
||
135 |
/** |
|
136 |
* Sets the limit for the maximum number of bytes that can be returned for |
|
137 |
* character and binary column values in a <code>ResultSet</code> |
|
138 |
* object produced by this <code>Statement</code> object. |
|
139 |
* |
|
140 |
* This limit applies |
|
141 |
* only to <code>BINARY</code>, <code>VARBINARY</code>, |
|
142 |
* <code>LONGVARBINARY</code>, <code>CHAR</code>, <code>VARCHAR</code>, |
|
143 |
* <code>NCHAR</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</code> and |
|
144 |
* <code>LONGVARCHAR</code> fields. If the limit is exceeded, the excess data |
|
145 |
* is silently discarded. For maximum portability, use values |
|
146 |
* greater than 256. |
|
147 |
* |
|
148 |
* @param max the new column size limit in bytes; zero means there is no limit |
|
149 |
* @exception SQLException if a database access error occurs, |
|
150 |
* this method is called on a closed <code>Statement</code> |
|
18156 | 151 |
* or the condition {@code max >= 0} is not satisfied |
2 | 152 |
* @see #getMaxFieldSize |
153 |
*/ |
|
154 |
void setMaxFieldSize(int max) throws SQLException; |
|
155 |
||
156 |
/** |
|
157 |
* Retrieves the maximum number of rows that a |
|
158 |
* <code>ResultSet</code> object produced by this |
|
159 |
* <code>Statement</code> object can contain. If this limit is exceeded, |
|
160 |
* the excess rows are silently dropped. |
|
161 |
* |
|
162 |
* @return the current maximum number of rows for a <code>ResultSet</code> |
|
163 |
* object produced by this <code>Statement</code> object; |
|
164 |
* zero means there is no limit |
|
165 |
* @exception SQLException if a database access error occurs or |
|
166 |
* this method is called on a closed <code>Statement</code> |
|
167 |
* @see #setMaxRows |
|
168 |
*/ |
|
169 |
int getMaxRows() throws SQLException; |
|
170 |
||
171 |
/** |
|
172 |
* Sets the limit for the maximum number of rows that any |
|
173 |
* <code>ResultSet</code> object generated by this <code>Statement</code> |
|
174 |
* object can contain to the given number. |
|
175 |
* If the limit is exceeded, the excess |
|
176 |
* rows are silently dropped. |
|
177 |
* |
|
178 |
* @param max the new max rows limit; zero means there is no limit |
|
179 |
* @exception SQLException if a database access error occurs, |
|
180 |
* this method is called on a closed <code>Statement</code> |
|
18156 | 181 |
* or the condition {@code max >= 0} is not satisfied |
2 | 182 |
* @see #getMaxRows |
183 |
*/ |
|
184 |
void setMaxRows(int max) throws SQLException; |
|
185 |
||
186 |
/** |
|
187 |
* Sets escape processing on or off. |
|
188 |
* If escape scanning is on (the default), the driver will do |
|
189 |
* escape substitution before sending the SQL statement to the database. |
|
15278 | 190 |
*<p> |
191 |
* The {@code Connection} and {@code DataSource} property |
|
192 |
* {@code escapeProcessing} may be used to change the default escape processing |
|
193 |
* behavior. A value of true (the default) enables escape Processing for |
|
194 |
* all {@code Statement} objects. A value of false disables escape processing |
|
195 |
* for all {@code Statement} objects. The {@code setEscapeProcessing} |
|
196 |
* method may be used to specify the escape processing behavior for an |
|
197 |
* individual {@code Statement} object. |
|
198 |
* <p> |
|
2 | 199 |
* Note: Since prepared statements have usually been parsed prior |
200 |
* to making this call, disabling escape processing for |
|
201 |
* <code>PreparedStatements</code> objects will have no effect. |
|
202 |
* |
|
203 |
* @param enable <code>true</code> to enable escape processing; |
|
204 |
* <code>false</code> to disable it |
|
205 |
* @exception SQLException if a database access error occurs or |
|
206 |
* this method is called on a closed <code>Statement</code> |
|
207 |
*/ |
|
208 |
void setEscapeProcessing(boolean enable) throws SQLException; |
|
209 |
||
210 |
/** |
|
211 |
* Retrieves the number of seconds the driver will |
|
212 |
* wait for a <code>Statement</code> object to execute. |
|
213 |
* If the limit is exceeded, a |
|
214 |
* <code>SQLException</code> is thrown. |
|
215 |
* |
|
216 |
* @return the current query timeout limit in seconds; zero means there is |
|
217 |
* no limit |
|
218 |
* @exception SQLException if a database access error occurs or |
|
219 |
* this method is called on a closed <code>Statement</code> |
|
220 |
* @see #setQueryTimeout |
|
221 |
*/ |
|
222 |
int getQueryTimeout() throws SQLException; |
|
223 |
||
224 |
/** |
|
225 |
* Sets the number of seconds the driver will wait for a |
|
226 |
* <code>Statement</code> object to execute to the given number of seconds. |
|
6540 | 227 |
*By default there is no limit on the amount of time allowed for a running |
228 |
* statement to complete. If the limit is exceeded, an |
|
229 |
* <code>SQLTimeoutException</code> is thrown. |
|
230 |
* A JDBC driver must apply this limit to the <code>execute</code>, |
|
231 |
* <code>executeQuery</code> and <code>executeUpdate</code> methods. |
|
232 |
* <p> |
|
233 |
* <strong>Note:</strong> JDBC driver implementations may also apply this |
|
234 |
* limit to {@code ResultSet} methods |
|
2 | 235 |
* (consult your driver vendor documentation for details). |
6540 | 236 |
* <p> |
237 |
* <strong>Note:</strong> In the case of {@code Statement} batching, it is |
|
238 |
* implementation defined as to whether the time-out is applied to |
|
239 |
* individual SQL commands added via the {@code addBatch} method or to |
|
240 |
* the entire batch of SQL commands invoked by the {@code executeBatch} |
|
241 |
* method (consult your driver vendor documentation for details). |
|
2 | 242 |
* |
243 |
* @param seconds the new query timeout limit in seconds; zero means |
|
244 |
* there is no limit |
|
245 |
* @exception SQLException if a database access error occurs, |
|
246 |
* this method is called on a closed <code>Statement</code> |
|
18156 | 247 |
* or the condition {@code seconds >= 0} is not satisfied |
2 | 248 |
* @see #getQueryTimeout |
249 |
*/ |
|
250 |
void setQueryTimeout(int seconds) throws SQLException; |
|
251 |
||
252 |
/** |
|
253 |
* Cancels this <code>Statement</code> object if both the DBMS and |
|
254 |
* driver support aborting an SQL statement. |
|
255 |
* This method can be used by one thread to cancel a statement that |
|
256 |
* is being executed by another thread. |
|
257 |
* |
|
258 |
* @exception SQLException if a database access error occurs or |
|
259 |
* this method is called on a closed <code>Statement</code> |
|
260 |
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
|
261 |
* this method |
|
262 |
*/ |
|
263 |
void cancel() throws SQLException; |
|
264 |
||
265 |
/** |
|
266 |
* Retrieves the first warning reported by calls on this <code>Statement</code> object. |
|
267 |
* Subsequent <code>Statement</code> object warnings will be chained to this |
|
268 |
* <code>SQLWarning</code> object. |
|
269 |
* |
|
270 |
* <p>The warning chain is automatically cleared each time |
|
271 |
* a statement is (re)executed. This method may not be called on a closed |
|
272 |
* <code>Statement</code> object; doing so will cause an <code>SQLException</code> |
|
273 |
* to be thrown. |
|
274 |
* |
|
275 |
* <P><B>Note:</B> If you are processing a <code>ResultSet</code> object, any |
|
276 |
* warnings associated with reads on that <code>ResultSet</code> object |
|
277 |
* will be chained on it rather than on the <code>Statement</code> |
|
278 |
* object that produced it. |
|
279 |
* |
|
280 |
* @return the first <code>SQLWarning</code> object or <code>null</code> |
|
281 |
* if there are no warnings |
|
282 |
* @exception SQLException if a database access error occurs or |
|
283 |
* this method is called on a closed <code>Statement</code> |
|
284 |
*/ |
|
285 |
SQLWarning getWarnings() throws SQLException; |
|
286 |
||
287 |
/** |
|
288 |
* Clears all the warnings reported on this <code>Statement</code> |
|
289 |
* object. After a call to this method, |
|
290 |
* the method <code>getWarnings</code> will return |
|
291 |
* <code>null</code> until a new warning is reported for this |
|
292 |
* <code>Statement</code> object. |
|
293 |
* |
|
294 |
* @exception SQLException if a database access error occurs or |
|
295 |
* this method is called on a closed <code>Statement</code> |
|
296 |
*/ |
|
297 |
void clearWarnings() throws SQLException; |
|
298 |
||
299 |
/** |
|
300 |
* Sets the SQL cursor name to the given <code>String</code>, which |
|
301 |
* will be used by subsequent <code>Statement</code> object |
|
302 |
* <code>execute</code> methods. This name can then be |
|
303 |
* used in SQL positioned update or delete statements to identify the |
|
304 |
* current row in the <code>ResultSet</code> object generated by this |
|
305 |
* statement. If the database does not support positioned update/delete, |
|
306 |
* this method is a noop. To insure that a cursor has the proper isolation |
|
307 |
* level to support updates, the cursor's <code>SELECT</code> statement |
|
308 |
* should have the form <code>SELECT FOR UPDATE</code>. If |
|
309 |
* <code>FOR UPDATE</code> is not present, positioned updates may fail. |
|
310 |
* |
|
311 |
* <P><B>Note:</B> By definition, the execution of positioned updates and |
|
312 |
* deletes must be done by a different <code>Statement</code> object than |
|
313 |
* the one that generated the <code>ResultSet</code> object being used for |
|
314 |
* positioning. Also, cursor names must be unique within a connection. |
|
315 |
* |
|
316 |
* @param name the new cursor name, which must be unique within |
|
317 |
* a connection |
|
318 |
* @exception SQLException if a database access error occurs or |
|
319 |
* this method is called on a closed <code>Statement</code> |
|
320 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
|
321 |
*/ |
|
322 |
void setCursorName(String name) throws SQLException; |
|
323 |
||
324 |
//----------------------- Multiple Results -------------------------- |
|
325 |
||
326 |
/** |
|
327 |
* Executes the given SQL statement, which may return multiple results. |
|
328 |
* In some (uncommon) situations, a single SQL statement may return |
|
329 |
* multiple result sets and/or update counts. Normally you can ignore |
|
330 |
* this unless you are (1) executing a stored procedure that you know may |
|
331 |
* return multiple results or (2) you are dynamically executing an |
|
332 |
* unknown SQL string. |
|
333 |
* <P> |
|
334 |
* The <code>execute</code> method executes an SQL statement and indicates the |
|
335 |
* form of the first result. You must then use the methods |
|
336 |
* <code>getResultSet</code> or <code>getUpdateCount</code> |
|
337 |
* to retrieve the result, and <code>getMoreResults</code> to |
|
338 |
* move to any subsequent result(s). |
|
6540 | 339 |
* <p> |
340 |
*<strong>Note:</strong>This method cannot be called on a |
|
341 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 342 |
* @param sql any SQL statement |
343 |
* @return <code>true</code> if the first result is a <code>ResultSet</code> |
|
344 |
* object; <code>false</code> if it is an update count or there are |
|
345 |
* no results |
|
6540 | 346 |
* @exception SQLException if a database access error occurs, |
347 |
* this method is called on a closed <code>Statement</code>, |
|
348 |
* the method is called on a |
|
349 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
350 |
* @throws SQLTimeoutException when the driver has determined that the |
|
351 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
352 |
* method has been exceeded and has at least attempted to cancel |
|
353 |
* the currently running {@code Statement} |
|
2 | 354 |
* @see #getResultSet |
355 |
* @see #getUpdateCount |
|
356 |
* @see #getMoreResults |
|
357 |
*/ |
|
358 |
boolean execute(String sql) throws SQLException; |
|
359 |
||
360 |
/** |
|
361 |
* Retrieves the current result as a <code>ResultSet</code> object. |
|
362 |
* This method should be called only once per result. |
|
363 |
* |
|
364 |
* @return the current result as a <code>ResultSet</code> object or |
|
365 |
* <code>null</code> if the result is an update count or there are no more results |
|
366 |
* @exception SQLException if a database access error occurs or |
|
367 |
* this method is called on a closed <code>Statement</code> |
|
368 |
* @see #execute |
|
369 |
*/ |
|
370 |
ResultSet getResultSet() throws SQLException; |
|
371 |
||
372 |
/** |
|
373 |
* Retrieves the current result as an update count; |
|
374 |
* if the result is a <code>ResultSet</code> object or there are no more results, -1 |
|
375 |
* is returned. This method should be called only once per result. |
|
376 |
* |
|
377 |
* @return the current result as an update count; -1 if the current result is a |
|
378 |
* <code>ResultSet</code> object or there are no more results |
|
379 |
* @exception SQLException if a database access error occurs or |
|
380 |
* this method is called on a closed <code>Statement</code> |
|
381 |
* @see #execute |
|
382 |
*/ |
|
383 |
int getUpdateCount() throws SQLException; |
|
384 |
||
385 |
/** |
|
386 |
* Moves to this <code>Statement</code> object's next result, returns |
|
387 |
* <code>true</code> if it is a <code>ResultSet</code> object, and |
|
388 |
* implicitly closes any current <code>ResultSet</code> |
|
389 |
* object(s) obtained with the method <code>getResultSet</code>. |
|
390 |
* |
|
391 |
* <P>There are no more results when the following is true: |
|
18156 | 392 |
* <PRE>{@code |
2 | 393 |
* // stmt is a Statement object |
394 |
* ((stmt.getMoreResults() == false) && (stmt.getUpdateCount() == -1)) |
|
18156 | 395 |
* }</PRE> |
2 | 396 |
* |
397 |
* @return <code>true</code> if the next result is a <code>ResultSet</code> |
|
398 |
* object; <code>false</code> if it is an update count or there are |
|
399 |
* no more results |
|
400 |
* @exception SQLException if a database access error occurs or |
|
401 |
* this method is called on a closed <code>Statement</code> |
|
402 |
* @see #execute |
|
403 |
*/ |
|
404 |
boolean getMoreResults() throws SQLException; |
|
405 |
||
406 |
||
407 |
//--------------------------JDBC 2.0----------------------------- |
|
408 |
||
409 |
||
410 |
/** |
|
411 |
* Gives the driver a hint as to the direction in which |
|
412 |
* rows will be processed in <code>ResultSet</code> |
|
413 |
* objects created using this <code>Statement</code> object. The |
|
414 |
* default value is <code>ResultSet.FETCH_FORWARD</code>. |
|
415 |
* <P> |
|
416 |
* Note that this method sets the default fetch direction for |
|
417 |
* result sets generated by this <code>Statement</code> object. |
|
418 |
* Each result set has its own methods for getting and setting |
|
419 |
* its own fetch direction. |
|
420 |
* |
|
421 |
* @param direction the initial direction for processing rows |
|
422 |
* @exception SQLException if a database access error occurs, |
|
423 |
* this method is called on a closed <code>Statement</code> |
|
424 |
* or the given direction |
|
425 |
* is not one of <code>ResultSet.FETCH_FORWARD</code>, |
|
426 |
* <code>ResultSet.FETCH_REVERSE</code>, or <code>ResultSet.FETCH_UNKNOWN</code> |
|
427 |
* @since 1.2 |
|
428 |
* @see #getFetchDirection |
|
429 |
*/ |
|
430 |
void setFetchDirection(int direction) throws SQLException; |
|
431 |
||
432 |
/** |
|
433 |
* Retrieves the direction for fetching rows from |
|
434 |
* database tables that is the default for result sets |
|
435 |
* generated from this <code>Statement</code> object. |
|
436 |
* If this <code>Statement</code> object has not set |
|
437 |
* a fetch direction by calling the method <code>setFetchDirection</code>, |
|
438 |
* the return value is implementation-specific. |
|
439 |
* |
|
440 |
* @return the default fetch direction for result sets generated |
|
441 |
* from this <code>Statement</code> object |
|
442 |
* @exception SQLException if a database access error occurs or |
|
443 |
* this method is called on a closed <code>Statement</code> |
|
444 |
* @since 1.2 |
|
445 |
* @see #setFetchDirection |
|
446 |
*/ |
|
447 |
int getFetchDirection() throws SQLException; |
|
448 |
||
449 |
/** |
|
450 |
* Gives the JDBC driver a hint as to the number of rows that should |
|
451 |
* be fetched from the database when more rows are needed for |
|
21278 | 452 |
* <code>ResultSet</code> objects generated by this <code>Statement</code>. |
2 | 453 |
* If the value specified is zero, then the hint is ignored. |
454 |
* The default value is zero. |
|
455 |
* |
|
456 |
* @param rows the number of rows to fetch |
|
457 |
* @exception SQLException if a database access error occurs, |
|
458 |
* this method is called on a closed <code>Statement</code> or the |
|
18156 | 459 |
* condition {@code rows >= 0} is not satisfied. |
2 | 460 |
* @since 1.2 |
461 |
* @see #getFetchSize |
|
462 |
*/ |
|
463 |
void setFetchSize(int rows) throws SQLException; |
|
464 |
||
465 |
/** |
|
466 |
* Retrieves the number of result set rows that is the default |
|
467 |
* fetch size for <code>ResultSet</code> objects |
|
468 |
* generated from this <code>Statement</code> object. |
|
469 |
* If this <code>Statement</code> object has not set |
|
470 |
* a fetch size by calling the method <code>setFetchSize</code>, |
|
471 |
* the return value is implementation-specific. |
|
472 |
* |
|
473 |
* @return the default fetch size for result sets generated |
|
474 |
* from this <code>Statement</code> object |
|
475 |
* @exception SQLException if a database access error occurs or |
|
476 |
* this method is called on a closed <code>Statement</code> |
|
477 |
* @since 1.2 |
|
478 |
* @see #setFetchSize |
|
479 |
*/ |
|
480 |
int getFetchSize() throws SQLException; |
|
481 |
||
482 |
/** |
|
483 |
* Retrieves the result set concurrency for <code>ResultSet</code> objects |
|
484 |
* generated by this <code>Statement</code> object. |
|
485 |
* |
|
486 |
* @return either <code>ResultSet.CONCUR_READ_ONLY</code> or |
|
487 |
* <code>ResultSet.CONCUR_UPDATABLE</code> |
|
488 |
* @exception SQLException if a database access error occurs or |
|
489 |
* this method is called on a closed <code>Statement</code> |
|
490 |
* @since 1.2 |
|
491 |
*/ |
|
492 |
int getResultSetConcurrency() throws SQLException; |
|
493 |
||
494 |
/** |
|
495 |
* Retrieves the result set type for <code>ResultSet</code> objects |
|
496 |
* generated by this <code>Statement</code> object. |
|
497 |
* |
|
498 |
* @return one of <code>ResultSet.TYPE_FORWARD_ONLY</code>, |
|
499 |
* <code>ResultSet.TYPE_SCROLL_INSENSITIVE</code>, or |
|
500 |
* <code>ResultSet.TYPE_SCROLL_SENSITIVE</code> |
|
501 |
* @exception SQLException if a database access error occurs or |
|
502 |
* this method is called on a closed <code>Statement</code> |
|
503 |
* @since 1.2 |
|
504 |
*/ |
|
505 |
int getResultSetType() throws SQLException; |
|
506 |
||
507 |
/** |
|
21278 | 508 |
* Adds the given SQL command to the current list of commands for this |
2 | 509 |
* <code>Statement</code> object. The commands in this list can be |
510 |
* executed as a batch by calling the method <code>executeBatch</code>. |
|
511 |
* <P> |
|
6540 | 512 |
*<strong>Note:</strong>This method cannot be called on a |
513 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 514 |
* @param sql typically this is a SQL <code>INSERT</code> or |
515 |
* <code>UPDATE</code> statement |
|
516 |
* @exception SQLException if a database access error occurs, |
|
6540 | 517 |
* this method is called on a closed <code>Statement</code>, the |
518 |
* driver does not support batch updates, the method is called on a |
|
519 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 520 |
* @see #executeBatch |
521 |
* @see DatabaseMetaData#supportsBatchUpdates |
|
522 |
* @since 1.2 |
|
523 |
*/ |
|
524 |
void addBatch( String sql ) throws SQLException; |
|
525 |
||
526 |
/** |
|
527 |
* Empties this <code>Statement</code> object's current list of |
|
528 |
* SQL commands. |
|
23590 | 529 |
* |
2 | 530 |
* @exception SQLException if a database access error occurs, |
531 |
* this method is called on a closed <code>Statement</code> or the |
|
532 |
* driver does not support batch updates |
|
533 |
* @see #addBatch |
|
534 |
* @see DatabaseMetaData#supportsBatchUpdates |
|
535 |
* @since 1.2 |
|
536 |
*/ |
|
537 |
void clearBatch() throws SQLException; |
|
538 |
||
539 |
/** |
|
540 |
* Submits a batch of commands to the database for execution and |
|
541 |
* if all commands execute successfully, returns an array of update counts. |
|
542 |
* The <code>int</code> elements of the array that is returned are ordered |
|
543 |
* to correspond to the commands in the batch, which are ordered |
|
544 |
* according to the order in which they were added to the batch. |
|
545 |
* The elements in the array returned by the method <code>executeBatch</code> |
|
546 |
* may be one of the following: |
|
547 |
* <OL> |
|
548 |
* <LI>A number greater than or equal to zero -- indicates that the |
|
549 |
* command was processed successfully and is an update count giving the |
|
550 |
* number of rows in the database that were affected by the command's |
|
551 |
* execution |
|
552 |
* <LI>A value of <code>SUCCESS_NO_INFO</code> -- indicates that the command was |
|
553 |
* processed successfully but that the number of rows affected is |
|
554 |
* unknown |
|
555 |
* <P> |
|
556 |
* If one of the commands in a batch update fails to execute properly, |
|
557 |
* this method throws a <code>BatchUpdateException</code>, and a JDBC |
|
558 |
* driver may or may not continue to process the remaining commands in |
|
559 |
* the batch. However, the driver's behavior must be consistent with a |
|
560 |
* particular DBMS, either always continuing to process commands or never |
|
561 |
* continuing to process commands. If the driver continues processing |
|
562 |
* after a failure, the array returned by the method |
|
563 |
* <code>BatchUpdateException.getUpdateCounts</code> |
|
564 |
* will contain as many elements as there are commands in the batch, and |
|
565 |
* at least one of the elements will be the following: |
|
20880
1b610151b316
8026812: doclint clean up for java.sql and javax.sql
lancea
parents:
18156
diff
changeset
|
566 |
* |
2 | 567 |
* <LI>A value of <code>EXECUTE_FAILED</code> -- indicates that the command failed |
568 |
* to execute successfully and occurs only if a driver continues to |
|
569 |
* process commands after a command fails |
|
570 |
* </OL> |
|
571 |
* <P> |
|
572 |
* The possible implementations and return values have been modified in |
|
573 |
* the Java 2 SDK, Standard Edition, version 1.3 to |
|
21278 | 574 |
* accommodate the option of continuing to process commands in a batch |
575 |
* update after a <code>BatchUpdateException</code> object has been thrown. |
|
2 | 576 |
* |
577 |
* @return an array of update counts containing one element for each |
|
578 |
* command in the batch. The elements of the array are ordered according |
|
579 |
* to the order in which commands were added to the batch. |
|
580 |
* @exception SQLException if a database access error occurs, |
|
581 |
* this method is called on a closed <code>Statement</code> or the |
|
582 |
* driver does not support batch statements. Throws {@link BatchUpdateException} |
|
583 |
* (a subclass of <code>SQLException</code>) if one of the commands sent to the |
|
584 |
* database fails to execute properly or attempts to return a result set. |
|
6540 | 585 |
* @throws SQLTimeoutException when the driver has determined that the |
586 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
587 |
* method has been exceeded and has at least attempted to cancel |
|
588 |
* the currently running {@code Statement} |
|
2 | 589 |
* |
590 |
* @see #addBatch |
|
591 |
* @see DatabaseMetaData#supportsBatchUpdates |
|
7797
5869cf1fbd3e
7006454: Typo in javadocs typo for Statement.executeBatch @since
lancea
parents:
6684
diff
changeset
|
592 |
* @since 1.2 |
2 | 593 |
*/ |
594 |
int[] executeBatch() throws SQLException; |
|
595 |
||
596 |
/** |
|
597 |
* Retrieves the <code>Connection</code> object |
|
598 |
* that produced this <code>Statement</code> object. |
|
599 |
* @return the connection that produced this statement |
|
600 |
* @exception SQLException if a database access error occurs or |
|
601 |
* this method is called on a closed <code>Statement</code> |
|
602 |
* @since 1.2 |
|
603 |
*/ |
|
604 |
Connection getConnection() throws SQLException; |
|
605 |
||
606 |
//--------------------------JDBC 3.0----------------------------- |
|
607 |
||
608 |
/** |
|
609 |
* The constant indicating that the current <code>ResultSet</code> object |
|
610 |
* should be closed when calling <code>getMoreResults</code>. |
|
611 |
* |
|
612 |
* @since 1.4 |
|
613 |
*/ |
|
614 |
int CLOSE_CURRENT_RESULT = 1; |
|
615 |
||
616 |
/** |
|
617 |
* The constant indicating that the current <code>ResultSet</code> object |
|
618 |
* should not be closed when calling <code>getMoreResults</code>. |
|
619 |
* |
|
620 |
* @since 1.4 |
|
621 |
*/ |
|
622 |
int KEEP_CURRENT_RESULT = 2; |
|
623 |
||
624 |
/** |
|
625 |
* The constant indicating that all <code>ResultSet</code> objects that |
|
626 |
* have previously been kept open should be closed when calling |
|
627 |
* <code>getMoreResults</code>. |
|
628 |
* |
|
629 |
* @since 1.4 |
|
630 |
*/ |
|
631 |
int CLOSE_ALL_RESULTS = 3; |
|
632 |
||
633 |
/** |
|
634 |
* The constant indicating that a batch statement executed successfully |
|
635 |
* but that no count of the number of rows it affected is available. |
|
636 |
* |
|
637 |
* @since 1.4 |
|
638 |
*/ |
|
639 |
int SUCCESS_NO_INFO = -2; |
|
640 |
||
641 |
/** |
|
21278 | 642 |
* The constant indicating that an error occurred while executing a |
2 | 643 |
* batch statement. |
644 |
* |
|
645 |
* @since 1.4 |
|
646 |
*/ |
|
647 |
int EXECUTE_FAILED = -3; |
|
648 |
||
649 |
/** |
|
650 |
* The constant indicating that generated keys should be made |
|
651 |
* available for retrieval. |
|
652 |
* |
|
653 |
* @since 1.4 |
|
654 |
*/ |
|
655 |
int RETURN_GENERATED_KEYS = 1; |
|
656 |
||
657 |
/** |
|
658 |
* The constant indicating that generated keys should not be made |
|
659 |
* available for retrieval. |
|
660 |
* |
|
661 |
* @since 1.4 |
|
662 |
*/ |
|
663 |
int NO_GENERATED_KEYS = 2; |
|
664 |
||
665 |
/** |
|
666 |
* Moves to this <code>Statement</code> object's next result, deals with |
|
667 |
* any current <code>ResultSet</code> object(s) according to the instructions |
|
668 |
* specified by the given flag, and returns |
|
669 |
* <code>true</code> if the next result is a <code>ResultSet</code> object. |
|
670 |
* |
|
671 |
* <P>There are no more results when the following is true: |
|
18156 | 672 |
* <PRE>{@code |
2 | 673 |
* // stmt is a Statement object |
674 |
* ((stmt.getMoreResults(current) == false) && (stmt.getUpdateCount() == -1)) |
|
18156 | 675 |
* }</PRE> |
2 | 676 |
* |
677 |
* @param current one of the following <code>Statement</code> |
|
678 |
* constants indicating what should happen to current |
|
679 |
* <code>ResultSet</code> objects obtained using the method |
|
680 |
* <code>getResultSet</code>: |
|
681 |
* <code>Statement.CLOSE_CURRENT_RESULT</code>, |
|
682 |
* <code>Statement.KEEP_CURRENT_RESULT</code>, or |
|
683 |
* <code>Statement.CLOSE_ALL_RESULTS</code> |
|
684 |
* @return <code>true</code> if the next result is a <code>ResultSet</code> |
|
685 |
* object; <code>false</code> if it is an update count or there are no |
|
686 |
* more results |
|
687 |
* @exception SQLException if a database access error occurs, |
|
688 |
* this method is called on a closed <code>Statement</code> or the argument |
|
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
689 |
* supplied is not one of the following: |
2 | 690 |
* <code>Statement.CLOSE_CURRENT_RESULT</code>, |
691 |
* <code>Statement.KEEP_CURRENT_RESULT</code> or |
|
692 |
* <code>Statement.CLOSE_ALL_RESULTS</code> |
|
693 |
*@exception SQLFeatureNotSupportedException if |
|
694 |
* <code>DatabaseMetaData.supportsMultipleOpenResults</code> returns |
|
695 |
* <code>false</code> and either |
|
696 |
* <code>Statement.KEEP_CURRENT_RESULT</code> or |
|
697 |
* <code>Statement.CLOSE_ALL_RESULTS</code> are supplied as |
|
698 |
* the argument. |
|
699 |
* @since 1.4 |
|
700 |
* @see #execute |
|
701 |
*/ |
|
702 |
boolean getMoreResults(int current) throws SQLException; |
|
703 |
||
704 |
/** |
|
705 |
* Retrieves any auto-generated keys created as a result of executing this |
|
706 |
* <code>Statement</code> object. If this <code>Statement</code> object did |
|
707 |
* not generate any keys, an empty <code>ResultSet</code> |
|
708 |
* object is returned. |
|
709 |
* |
|
710 |
*<p><B>Note:</B>If the columns which represent the auto-generated keys were not specified, |
|
711 |
* the JDBC driver implementation will determine the columns which best represent the auto-generated keys. |
|
712 |
* |
|
713 |
* @return a <code>ResultSet</code> object containing the auto-generated key(s) |
|
714 |
* generated by the execution of this <code>Statement</code> object |
|
715 |
* @exception SQLException if a database access error occurs or |
|
716 |
* this method is called on a closed <code>Statement</code> |
|
717 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
|
718 |
* @since 1.4 |
|
719 |
*/ |
|
720 |
ResultSet getGeneratedKeys() throws SQLException; |
|
721 |
||
722 |
/** |
|
723 |
* Executes the given SQL statement and signals the driver with the |
|
724 |
* given flag about whether the |
|
725 |
* auto-generated keys produced by this <code>Statement</code> object |
|
726 |
* should be made available for retrieval. The driver will ignore the |
|
727 |
* flag if the SQL statement |
|
728 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
729 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
6540 | 730 |
*<p> |
731 |
* <strong>Note:</strong>This method cannot be called on a |
|
732 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 733 |
* @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
734 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
735 |
* such as a DDL statement. |
|
736 |
* |
|
737 |
* @param autoGeneratedKeys a flag indicating whether auto-generated keys |
|
738 |
* should be made available for retrieval; |
|
739 |
* one of the following constants: |
|
740 |
* <code>Statement.RETURN_GENERATED_KEYS</code> |
|
741 |
* <code>Statement.NO_GENERATED_KEYS</code> |
|
742 |
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
|
743 |
* or (2) 0 for SQL statements that return nothing |
|
744 |
* |
|
745 |
* @exception SQLException if a database access error occurs, |
|
746 |
* this method is called on a closed <code>Statement</code>, the given |
|
6540 | 747 |
* SQL statement returns a <code>ResultSet</code> object, |
748 |
* the given constant is not one of those allowed, the method is called on a |
|
749 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 750 |
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
751 |
* this method with a constant of Statement.RETURN_GENERATED_KEYS |
|
6540 | 752 |
* @throws SQLTimeoutException when the driver has determined that the |
753 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
754 |
* method has been exceeded and has at least attempted to cancel |
|
755 |
* the currently running {@code Statement} |
|
2 | 756 |
* @since 1.4 |
757 |
*/ |
|
758 |
int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException; |
|
759 |
||
760 |
/** |
|
761 |
* Executes the given SQL statement and signals the driver that the |
|
762 |
* auto-generated keys indicated in the given array should be made available |
|
763 |
* for retrieval. This array contains the indexes of the columns in the |
|
764 |
* target table that contain the auto-generated keys that should be made |
|
765 |
* available. The driver will ignore the array if the SQL statement |
|
766 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
767 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
6540 | 768 |
*<p> |
769 |
* <strong>Note:</strong>This method cannot be called on a |
|
770 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 771 |
* @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
772 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
773 |
* such as a DDL statement. |
|
774 |
* |
|
775 |
* @param columnIndexes an array of column indexes indicating the columns |
|
776 |
* that should be returned from the inserted row |
|
777 |
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
|
778 |
* or (2) 0 for SQL statements that return nothing |
|
779 |
* |
|
780 |
* @exception SQLException if a database access error occurs, |
|
781 |
* this method is called on a closed <code>Statement</code>, the SQL |
|
6540 | 782 |
* statement returns a <code>ResultSet</code> object,the second argument |
783 |
* supplied to this method is not an |
|
784 |
* <code>int</code> array whose elements are valid column indexes, the method is called on a |
|
785 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 786 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
6540 | 787 |
* @throws SQLTimeoutException when the driver has determined that the |
788 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
789 |
* method has been exceeded and has at least attempted to cancel |
|
790 |
* the currently running {@code Statement} |
|
2 | 791 |
* @since 1.4 |
792 |
*/ |
|
793 |
int executeUpdate(String sql, int columnIndexes[]) throws SQLException; |
|
794 |
||
795 |
/** |
|
796 |
* Executes the given SQL statement and signals the driver that the |
|
797 |
* auto-generated keys indicated in the given array should be made available |
|
798 |
* for retrieval. This array contains the names of the columns in the |
|
799 |
* target table that contain the auto-generated keys that should be made |
|
800 |
* available. The driver will ignore the array if the SQL statement |
|
801 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
802 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
6540 | 803 |
*<p> |
804 |
* <strong>Note:</strong>This method cannot be called on a |
|
805 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 806 |
* @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
807 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
808 |
* such as a DDL statement. |
|
809 |
* @param columnNames an array of the names of the columns that should be |
|
810 |
* returned from the inserted row |
|
811 |
* @return either the row count for <code>INSERT</code>, <code>UPDATE</code>, |
|
812 |
* or <code>DELETE</code> statements, or 0 for SQL statements |
|
813 |
* that return nothing |
|
814 |
* @exception SQLException if a database access error occurs, |
|
815 |
* this method is called on a closed <code>Statement</code>, the SQL |
|
6540 | 816 |
* statement returns a <code>ResultSet</code> object, the |
2 | 817 |
* second argument supplied to this method is not a <code>String</code> array |
6540 | 818 |
* whose elements are valid column names, the method is called on a |
819 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 820 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
6540 | 821 |
* @throws SQLTimeoutException when the driver has determined that the |
822 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
823 |
* method has been exceeded and has at least attempted to cancel |
|
824 |
* the currently running {@code Statement} |
|
2 | 825 |
* @since 1.4 |
826 |
*/ |
|
827 |
int executeUpdate(String sql, String columnNames[]) throws SQLException; |
|
828 |
||
829 |
/** |
|
830 |
* Executes the given SQL statement, which may return multiple results, |
|
831 |
* and signals the driver that any |
|
832 |
* auto-generated keys should be made available |
|
833 |
* for retrieval. The driver will ignore this signal if the SQL statement |
|
834 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
835 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
836 |
* <P> |
|
837 |
* In some (uncommon) situations, a single SQL statement may return |
|
838 |
* multiple result sets and/or update counts. Normally you can ignore |
|
839 |
* this unless you are (1) executing a stored procedure that you know may |
|
840 |
* return multiple results or (2) you are dynamically executing an |
|
841 |
* unknown SQL string. |
|
842 |
* <P> |
|
843 |
* The <code>execute</code> method executes an SQL statement and indicates the |
|
844 |
* form of the first result. You must then use the methods |
|
845 |
* <code>getResultSet</code> or <code>getUpdateCount</code> |
|
846 |
* to retrieve the result, and <code>getMoreResults</code> to |
|
847 |
* move to any subsequent result(s). |
|
6540 | 848 |
*<p> |
849 |
*<strong>Note:</strong>This method cannot be called on a |
|
850 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 851 |
* @param sql any SQL statement |
852 |
* @param autoGeneratedKeys a constant indicating whether auto-generated |
|
853 |
* keys should be made available for retrieval using the method |
|
854 |
* <code>getGeneratedKeys</code>; one of the following constants: |
|
855 |
* <code>Statement.RETURN_GENERATED_KEYS</code> or |
|
856 |
* <code>Statement.NO_GENERATED_KEYS</code> |
|
857 |
* @return <code>true</code> if the first result is a <code>ResultSet</code> |
|
858 |
* object; <code>false</code> if it is an update count or there are |
|
859 |
* no results |
|
860 |
* @exception SQLException if a database access error occurs, |
|
6540 | 861 |
* this method is called on a closed <code>Statement</code>, the second |
2 | 862 |
* parameter supplied to this method is not |
863 |
* <code>Statement.RETURN_GENERATED_KEYS</code> or |
|
6540 | 864 |
* <code>Statement.NO_GENERATED_KEYS</code>, |
865 |
* the method is called on a |
|
866 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 867 |
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
868 |
* this method with a constant of Statement.RETURN_GENERATED_KEYS |
|
6540 | 869 |
* @throws SQLTimeoutException when the driver has determined that the |
870 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
871 |
* method has been exceeded and has at least attempted to cancel |
|
872 |
* the currently running {@code Statement} |
|
2 | 873 |
* @see #getResultSet |
874 |
* @see #getUpdateCount |
|
875 |
* @see #getMoreResults |
|
876 |
* @see #getGeneratedKeys |
|
877 |
* |
|
878 |
* @since 1.4 |
|
879 |
*/ |
|
880 |
boolean execute(String sql, int autoGeneratedKeys) throws SQLException; |
|
881 |
||
882 |
/** |
|
883 |
* Executes the given SQL statement, which may return multiple results, |
|
884 |
* and signals the driver that the |
|
885 |
* auto-generated keys indicated in the given array should be made available |
|
886 |
* for retrieval. This array contains the indexes of the columns in the |
|
887 |
* target table that contain the auto-generated keys that should be made |
|
888 |
* available. The driver will ignore the array if the SQL statement |
|
889 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
890 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
891 |
* <P> |
|
892 |
* Under some (uncommon) situations, a single SQL statement may return |
|
893 |
* multiple result sets and/or update counts. Normally you can ignore |
|
894 |
* this unless you are (1) executing a stored procedure that you know may |
|
895 |
* return multiple results or (2) you are dynamically executing an |
|
896 |
* unknown SQL string. |
|
897 |
* <P> |
|
898 |
* The <code>execute</code> method executes an SQL statement and indicates the |
|
899 |
* form of the first result. You must then use the methods |
|
900 |
* <code>getResultSet</code> or <code>getUpdateCount</code> |
|
901 |
* to retrieve the result, and <code>getMoreResults</code> to |
|
902 |
* move to any subsequent result(s). |
|
6540 | 903 |
*<p> |
904 |
* <strong>Note:</strong>This method cannot be called on a |
|
905 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 906 |
* @param sql any SQL statement |
907 |
* @param columnIndexes an array of the indexes of the columns in the |
|
908 |
* inserted row that should be made available for retrieval by a |
|
909 |
* call to the method <code>getGeneratedKeys</code> |
|
910 |
* @return <code>true</code> if the first result is a <code>ResultSet</code> |
|
911 |
* object; <code>false</code> if it is an update count or there |
|
912 |
* are no results |
|
913 |
* @exception SQLException if a database access error occurs, |
|
6540 | 914 |
* this method is called on a closed <code>Statement</code>, the |
2 | 915 |
* elements in the <code>int</code> array passed to this method |
6540 | 916 |
* are not valid column indexes, the method is called on a |
917 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 918 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
6540 | 919 |
* @throws SQLTimeoutException when the driver has determined that the |
920 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
921 |
* method has been exceeded and has at least attempted to cancel |
|
922 |
* the currently running {@code Statement} |
|
2 | 923 |
* @see #getResultSet |
924 |
* @see #getUpdateCount |
|
925 |
* @see #getMoreResults |
|
926 |
* |
|
927 |
* @since 1.4 |
|
928 |
*/ |
|
929 |
boolean execute(String sql, int columnIndexes[]) throws SQLException; |
|
930 |
||
931 |
/** |
|
932 |
* Executes the given SQL statement, which may return multiple results, |
|
933 |
* and signals the driver that the |
|
934 |
* auto-generated keys indicated in the given array should be made available |
|
935 |
* for retrieval. This array contains the names of the columns in the |
|
936 |
* target table that contain the auto-generated keys that should be made |
|
937 |
* available. The driver will ignore the array if the SQL statement |
|
938 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
939 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
940 |
* <P> |
|
941 |
* In some (uncommon) situations, a single SQL statement may return |
|
942 |
* multiple result sets and/or update counts. Normally you can ignore |
|
943 |
* this unless you are (1) executing a stored procedure that you know may |
|
944 |
* return multiple results or (2) you are dynamically executing an |
|
945 |
* unknown SQL string. |
|
946 |
* <P> |
|
947 |
* The <code>execute</code> method executes an SQL statement and indicates the |
|
948 |
* form of the first result. You must then use the methods |
|
949 |
* <code>getResultSet</code> or <code>getUpdateCount</code> |
|
950 |
* to retrieve the result, and <code>getMoreResults</code> to |
|
951 |
* move to any subsequent result(s). |
|
6540 | 952 |
*<p> |
953 |
* <strong>Note:</strong>This method cannot be called on a |
|
954 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
2 | 955 |
* @param sql any SQL statement |
956 |
* @param columnNames an array of the names of the columns in the inserted |
|
957 |
* row that should be made available for retrieval by a call to the |
|
958 |
* method <code>getGeneratedKeys</code> |
|
959 |
* @return <code>true</code> if the next result is a <code>ResultSet</code> |
|
960 |
* object; <code>false</code> if it is an update count or there |
|
961 |
* are no more results |
|
962 |
* @exception SQLException if a database access error occurs, |
|
6540 | 963 |
* this method is called on a closed <code>Statement</code>,the |
2 | 964 |
* elements of the <code>String</code> array passed to this |
6540 | 965 |
* method are not valid column names, the method is called on a |
966 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
2 | 967 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
6540 | 968 |
* @throws SQLTimeoutException when the driver has determined that the |
969 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
970 |
* method has been exceeded and has at least attempted to cancel |
|
971 |
* the currently running {@code Statement} |
|
2 | 972 |
* @see #getResultSet |
973 |
* @see #getUpdateCount |
|
974 |
* @see #getMoreResults |
|
975 |
* @see #getGeneratedKeys |
|
976 |
* |
|
977 |
* @since 1.4 |
|
978 |
*/ |
|
979 |
boolean execute(String sql, String columnNames[]) throws SQLException; |
|
980 |
||
981 |
/** |
|
982 |
* Retrieves the result set holdability for <code>ResultSet</code> objects |
|
983 |
* generated by this <code>Statement</code> object. |
|
984 |
* |
|
985 |
* @return either <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
|
986 |
* <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
|
987 |
* @exception SQLException if a database access error occurs or |
|
988 |
* this method is called on a closed <code>Statement</code> |
|
989 |
* |
|
990 |
* @since 1.4 |
|
991 |
*/ |
|
992 |
int getResultSetHoldability() throws SQLException; |
|
993 |
||
994 |
/** |
|
995 |
* Retrieves whether this <code>Statement</code> object has been closed. A <code>Statement</code> is closed if the |
|
996 |
* method close has been called on it, or if it is automatically closed. |
|
997 |
* @return true if this <code>Statement</code> object is closed; false if it is still open |
|
998 |
* @throws SQLException if a database access error occurs |
|
999 |
* @since 1.6 |
|
1000 |
*/ |
|
1001 |
boolean isClosed() throws SQLException; |
|
1002 |
||
1003 |
/** |
|
1004 |
* Requests that a <code>Statement</code> be pooled or not pooled. The value |
|
1005 |
* specified is a hint to the statement pool implementation indicating |
|
11016
e2665f4ac6d2
7110111: Minor Java SE javadoc & Constructor clean up
lancea
parents:
7797
diff
changeset
|
1006 |
* whether the application wants the statement to be pooled. It is up to |
2 | 1007 |
* the statement pool manager as to whether the hint is used. |
1008 |
* <p> |
|
1009 |
* The poolable value of a statement is applicable to both internal |
|
1010 |
* statement caches implemented by the driver and external statement caches |
|
1011 |
* implemented by application servers and other applications. |
|
1012 |
* <p> |
|
1013 |
* By default, a <code>Statement</code> is not poolable when created, and |
|
1014 |
* a <code>PreparedStatement</code> and <code>CallableStatement</code> |
|
1015 |
* are poolable when created. |
|
23590 | 1016 |
* |
2 | 1017 |
* @param poolable requests that the statement be pooled if true and |
1018 |
* that the statement not be pooled if false |
|
23590 | 1019 |
* |
2 | 1020 |
* @throws SQLException if this method is called on a closed |
1021 |
* <code>Statement</code> |
|
23590 | 1022 |
* |
2 | 1023 |
* @since 1.6 |
1024 |
*/ |
|
1025 |
void setPoolable(boolean poolable) |
|
1026 |
throws SQLException; |
|
1027 |
||
1028 |
/** |
|
1029 |
* Returns a value indicating whether the <code>Statement</code> |
|
1030 |
* is poolable or not. |
|
23590 | 1031 |
* |
2 | 1032 |
* @return <code>true</code> if the <code>Statement</code> |
1033 |
* is poolable; <code>false</code> otherwise |
|
23590 | 1034 |
* |
2 | 1035 |
* @throws SQLException if this method is called on a closed |
1036 |
* <code>Statement</code> |
|
23590 | 1037 |
* |
2 | 1038 |
* @since 1.6 |
23590 | 1039 |
* |
2 | 1040 |
* @see java.sql.Statement#setPoolable(boolean) setPoolable(boolean) |
1041 |
*/ |
|
1042 |
boolean isPoolable() |
|
1043 |
throws SQLException; |
|
1044 |
||
6540 | 1045 |
//--------------------------JDBC 4.1 ----------------------------- |
1046 |
||
1047 |
/** |
|
1048 |
* Specifies that this {@code Statement} will be closed when all its |
|
1049 |
* dependent result sets are closed. If execution of the {@code Statement} |
|
1050 |
* does not produce any result sets, this method has no effect. |
|
1051 |
* <p> |
|
1052 |
* <strong>Note:</strong> Multiple calls to {@code closeOnCompletion} do |
|
1053 |
* not toggle the effect on this {@code Statement}. However, a call to |
|
1054 |
* {@code closeOnCompletion} does effect both the subsequent execution of |
|
1055 |
* statements, and statements that currently have open, dependent, |
|
1056 |
* result sets. |
|
1057 |
* |
|
1058 |
* @throws SQLException if this method is called on a closed |
|
1059 |
* {@code Statement} |
|
1060 |
* @since 1.7 |
|
1061 |
*/ |
|
1062 |
public void closeOnCompletion() throws SQLException; |
|
1063 |
||
1064 |
/** |
|
1065 |
* Returns a value indicating whether this {@code Statement} will be |
|
6684
2708e0ba15a8
6987638: javadoc update to RowSetProvider and Statement
lancea
parents:
6540
diff
changeset
|
1066 |
* closed when all its dependent result sets are closed. |
6540 | 1067 |
* @return {@code true} if the {@code Statement} will be closed when all |
6684
2708e0ba15a8
6987638: javadoc update to RowSetProvider and Statement
lancea
parents:
6540
diff
changeset
|
1068 |
* of its dependent result sets are closed; {@code false} otherwise |
6540 | 1069 |
* @throws SQLException if this method is called on a closed |
1070 |
* {@code Statement} |
|
1071 |
* @since 1.7 |
|
1072 |
*/ |
|
1073 |
public boolean isCloseOnCompletion() throws SQLException; |
|
1074 |
||
15278 | 1075 |
|
1076 |
//--------------------------JDBC 4.2 ----------------------------- |
|
1077 |
||
1078 |
/** |
|
1079 |
* Retrieves the current result as an update count; if the result |
|
1080 |
* is a <code>ResultSet</code> object or there are no more results, -1 |
|
1081 |
* is returned. This method should be called only once per result. |
|
1082 |
* <p> |
|
1083 |
* This method should be used when the returned row count may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1084 |
* {@link Integer#MAX_VALUE}. |
15278 | 1085 |
*<p> |
1086 |
* The default implementation will throw {@code UnsupportedOperationException} |
|
1087 |
* |
|
1088 |
* @return the current result as an update count; -1 if the current result |
|
1089 |
* is a <code>ResultSet</code> object or there are no more results |
|
1090 |
* @exception SQLException if a database access error occurs or |
|
1091 |
* this method is called on a closed <code>Statement</code> |
|
1092 |
* @see #execute |
|
1093 |
* @since 1.8 |
|
1094 |
*/ |
|
1095 |
default long getLargeUpdateCount() throws SQLException { |
|
1096 |
throw new UnsupportedOperationException("getLargeUpdateCount not implemented"); |
|
1097 |
} |
|
1098 |
||
1099 |
/** |
|
1100 |
* Sets the limit for the maximum number of rows that any |
|
1101 |
* <code>ResultSet</code> object generated by this <code>Statement</code> |
|
1102 |
* object can contain to the given number. |
|
1103 |
* If the limit is exceeded, the excess |
|
1104 |
* rows are silently dropped. |
|
1105 |
* <p> |
|
1106 |
* This method should be used when the row limit may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1107 |
* {@link Integer#MAX_VALUE}. |
15278 | 1108 |
*<p> |
1109 |
* The default implementation will throw {@code UnsupportedOperationException} |
|
1110 |
* |
|
1111 |
* @param max the new max rows limit; zero means there is no limit |
|
1112 |
* @exception SQLException if a database access error occurs, |
|
1113 |
* this method is called on a closed <code>Statement</code> |
|
18156 | 1114 |
* or the condition {@code max >= 0} is not satisfied |
15278 | 1115 |
* @see #getMaxRows |
1116 |
* @since 1.8 |
|
1117 |
*/ |
|
1118 |
default void setLargeMaxRows(long max) throws SQLException { |
|
1119 |
throw new UnsupportedOperationException("setLargeMaxRows not implemented"); |
|
1120 |
} |
|
1121 |
||
1122 |
/** |
|
1123 |
* Retrieves the maximum number of rows that a |
|
1124 |
* <code>ResultSet</code> object produced by this |
|
1125 |
* <code>Statement</code> object can contain. If this limit is exceeded, |
|
1126 |
* the excess rows are silently dropped. |
|
1127 |
* <p> |
|
1128 |
* This method should be used when the returned row limit may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1129 |
* {@link Integer#MAX_VALUE}. |
15278 | 1130 |
*<p> |
1131 |
* The default implementation will return {@code 0} |
|
1132 |
* |
|
1133 |
* @return the current maximum number of rows for a <code>ResultSet</code> |
|
1134 |
* object produced by this <code>Statement</code> object; |
|
1135 |
* zero means there is no limit |
|
1136 |
* @exception SQLException if a database access error occurs or |
|
1137 |
* this method is called on a closed <code>Statement</code> |
|
1138 |
* @see #setMaxRows |
|
1139 |
* @since 1.8 |
|
1140 |
*/ |
|
1141 |
default long getLargeMaxRows() throws SQLException { |
|
1142 |
return 0; |
|
1143 |
} |
|
1144 |
||
1145 |
/** |
|
1146 |
* Submits a batch of commands to the database for execution and |
|
1147 |
* if all commands execute successfully, returns an array of update counts. |
|
1148 |
* The <code>long</code> elements of the array that is returned are ordered |
|
1149 |
* to correspond to the commands in the batch, which are ordered |
|
1150 |
* according to the order in which they were added to the batch. |
|
1151 |
* The elements in the array returned by the method {@code executeLargeBatch} |
|
1152 |
* may be one of the following: |
|
1153 |
* <OL> |
|
1154 |
* <LI>A number greater than or equal to zero -- indicates that the |
|
1155 |
* command was processed successfully and is an update count giving the |
|
1156 |
* number of rows in the database that were affected by the command's |
|
1157 |
* execution |
|
1158 |
* <LI>A value of <code>SUCCESS_NO_INFO</code> -- indicates that the command was |
|
1159 |
* processed successfully but that the number of rows affected is |
|
1160 |
* unknown |
|
1161 |
* <P> |
|
1162 |
* If one of the commands in a batch update fails to execute properly, |
|
1163 |
* this method throws a <code>BatchUpdateException</code>, and a JDBC |
|
1164 |
* driver may or may not continue to process the remaining commands in |
|
1165 |
* the batch. However, the driver's behavior must be consistent with a |
|
1166 |
* particular DBMS, either always continuing to process commands or never |
|
1167 |
* continuing to process commands. If the driver continues processing |
|
1168 |
* after a failure, the array returned by the method |
|
1169 |
* <code>BatchUpdateException.getLargeUpdateCounts</code> |
|
1170 |
* will contain as many elements as there are commands in the batch, and |
|
1171 |
* at least one of the elements will be the following: |
|
20880
1b610151b316
8026812: doclint clean up for java.sql and javax.sql
lancea
parents:
18156
diff
changeset
|
1172 |
* |
15278 | 1173 |
* <LI>A value of <code>EXECUTE_FAILED</code> -- indicates that the command failed |
1174 |
* to execute successfully and occurs only if a driver continues to |
|
1175 |
* process commands after a command fails |
|
1176 |
* </OL> |
|
1177 |
* <p> |
|
1178 |
* This method should be used when the returned row count may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1179 |
* {@link Integer#MAX_VALUE}. |
15278 | 1180 |
*<p> |
1181 |
* The default implementation will throw {@code UnsupportedOperationException} |
|
1182 |
* |
|
1183 |
* @return an array of update counts containing one element for each |
|
1184 |
* command in the batch. The elements of the array are ordered according |
|
1185 |
* to the order in which commands were added to the batch. |
|
1186 |
* @exception SQLException if a database access error occurs, |
|
1187 |
* this method is called on a closed <code>Statement</code> or the |
|
1188 |
* driver does not support batch statements. Throws {@link BatchUpdateException} |
|
1189 |
* (a subclass of <code>SQLException</code>) if one of the commands sent to the |
|
1190 |
* database fails to execute properly or attempts to return a result set. |
|
1191 |
* @throws SQLTimeoutException when the driver has determined that the |
|
1192 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
1193 |
* method has been exceeded and has at least attempted to cancel |
|
1194 |
* the currently running {@code Statement} |
|
1195 |
* |
|
1196 |
* @see #addBatch |
|
1197 |
* @see DatabaseMetaData#supportsBatchUpdates |
|
1198 |
* @since 1.8 |
|
1199 |
*/ |
|
1200 |
default long[] executeLargeBatch() throws SQLException { |
|
1201 |
throw new UnsupportedOperationException("executeLargeBatch not implemented"); |
|
1202 |
} |
|
1203 |
||
1204 |
/** |
|
1205 |
* Executes the given SQL statement, which may be an <code>INSERT</code>, |
|
1206 |
* <code>UPDATE</code>, or <code>DELETE</code> statement or an |
|
1207 |
* SQL statement that returns nothing, such as an SQL DDL statement. |
|
1208 |
* <p> |
|
1209 |
* This method should be used when the returned row count may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1210 |
* {@link Integer#MAX_VALUE}. |
15278 | 1211 |
* <p> |
1212 |
* <strong>Note:</strong>This method cannot be called on a |
|
1213 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
1214 |
*<p> |
|
1215 |
* The default implementation will throw {@code UnsupportedOperationException} |
|
1216 |
* |
|
1217 |
* @param sql an SQL Data Manipulation Language (DML) statement, |
|
1218 |
* such as <code>INSERT</code>, <code>UPDATE</code> or |
|
1219 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
1220 |
* such as a DDL statement. |
|
1221 |
* |
|
1222 |
* @return either (1) the row count for SQL Data Manipulation Language |
|
1223 |
* (DML) statements or (2) 0 for SQL statements that return nothing |
|
1224 |
* |
|
1225 |
* @exception SQLException if a database access error occurs, |
|
1226 |
* this method is called on a closed <code>Statement</code>, the given |
|
1227 |
* SQL statement produces a <code>ResultSet</code> object, the method is called on a |
|
1228 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
1229 |
* @throws SQLTimeoutException when the driver has determined that the |
|
1230 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
1231 |
* method has been exceeded and has at least attempted to cancel |
|
1232 |
* the currently running {@code Statement} |
|
1233 |
* @since 1.8 |
|
1234 |
*/ |
|
1235 |
default long executeLargeUpdate(String sql) throws SQLException { |
|
1236 |
throw new UnsupportedOperationException("executeLargeUpdate not implemented"); |
|
1237 |
} |
|
1238 |
||
1239 |
/** |
|
1240 |
* Executes the given SQL statement and signals the driver with the |
|
1241 |
* given flag about whether the |
|
1242 |
* auto-generated keys produced by this <code>Statement</code> object |
|
1243 |
* should be made available for retrieval. The driver will ignore the |
|
1244 |
* flag if the SQL statement |
|
1245 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
1246 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
1247 |
* <p> |
|
1248 |
* This method should be used when the returned row count may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1249 |
* {@link Integer#MAX_VALUE}. |
15278 | 1250 |
* <p> |
1251 |
* <strong>Note:</strong>This method cannot be called on a |
|
1252 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
1253 |
*<p> |
|
1254 |
* The default implementation will throw {@code SQLFeatureNotSupportedException} |
|
1255 |
* |
|
1256 |
* @param sql an SQL Data Manipulation Language (DML) statement, |
|
1257 |
* such as <code>INSERT</code>, <code>UPDATE</code> or |
|
1258 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
1259 |
* such as a DDL statement. |
|
1260 |
* |
|
1261 |
* @param autoGeneratedKeys a flag indicating whether auto-generated keys |
|
1262 |
* should be made available for retrieval; |
|
1263 |
* one of the following constants: |
|
1264 |
* <code>Statement.RETURN_GENERATED_KEYS</code> |
|
1265 |
* <code>Statement.NO_GENERATED_KEYS</code> |
|
1266 |
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
|
1267 |
* or (2) 0 for SQL statements that return nothing |
|
1268 |
* |
|
1269 |
* @exception SQLException if a database access error occurs, |
|
1270 |
* this method is called on a closed <code>Statement</code>, the given |
|
1271 |
* SQL statement returns a <code>ResultSet</code> object, |
|
1272 |
* the given constant is not one of those allowed, the method is called on a |
|
1273 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
1274 |
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
|
1275 |
* this method with a constant of Statement.RETURN_GENERATED_KEYS |
|
1276 |
* @throws SQLTimeoutException when the driver has determined that the |
|
1277 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
1278 |
* method has been exceeded and has at least attempted to cancel |
|
1279 |
* the currently running {@code Statement} |
|
1280 |
* @since 1.8 |
|
1281 |
*/ |
|
1282 |
default long executeLargeUpdate(String sql, int autoGeneratedKeys) |
|
1283 |
throws SQLException { |
|
1284 |
throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented"); |
|
1285 |
} |
|
1286 |
||
1287 |
/** |
|
1288 |
* Executes the given SQL statement and signals the driver that the |
|
1289 |
* auto-generated keys indicated in the given array should be made available |
|
1290 |
* for retrieval. This array contains the indexes of the columns in the |
|
1291 |
* target table that contain the auto-generated keys that should be made |
|
1292 |
* available. The driver will ignore the array if the SQL statement |
|
1293 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
1294 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
1295 |
* <p> |
|
1296 |
* This method should be used when the returned row count may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1297 |
* {@link Integer#MAX_VALUE}. |
15278 | 1298 |
* <p> |
1299 |
* <strong>Note:</strong>This method cannot be called on a |
|
1300 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
1301 |
*<p> |
|
1302 |
* The default implementation will throw {@code SQLFeatureNotSupportedException} |
|
1303 |
* |
|
1304 |
* @param sql an SQL Data Manipulation Language (DML) statement, |
|
1305 |
* such as <code>INSERT</code>, <code>UPDATE</code> or |
|
1306 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
1307 |
* such as a DDL statement. |
|
1308 |
* |
|
1309 |
* @param columnIndexes an array of column indexes indicating the columns |
|
1310 |
* that should be returned from the inserted row |
|
1311 |
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
|
1312 |
* or (2) 0 for SQL statements that return nothing |
|
1313 |
* |
|
1314 |
* @exception SQLException if a database access error occurs, |
|
1315 |
* this method is called on a closed <code>Statement</code>, the SQL |
|
1316 |
* statement returns a <code>ResultSet</code> object,the second argument |
|
1317 |
* supplied to this method is not an |
|
1318 |
* <code>int</code> array whose elements are valid column indexes, the method is called on a |
|
1319 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
1320 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
|
1321 |
* @throws SQLTimeoutException when the driver has determined that the |
|
1322 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
1323 |
* method has been exceeded and has at least attempted to cancel |
|
1324 |
* the currently running {@code Statement} |
|
1325 |
* @since 1.8 |
|
1326 |
*/ |
|
1327 |
default long executeLargeUpdate(String sql, int columnIndexes[]) throws SQLException { |
|
1328 |
throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented"); |
|
1329 |
} |
|
1330 |
||
1331 |
/** |
|
1332 |
* Executes the given SQL statement and signals the driver that the |
|
1333 |
* auto-generated keys indicated in the given array should be made available |
|
1334 |
* for retrieval. This array contains the names of the columns in the |
|
1335 |
* target table that contain the auto-generated keys that should be made |
|
1336 |
* available. The driver will ignore the array if the SQL statement |
|
1337 |
* is not an <code>INSERT</code> statement, or an SQL statement able to return |
|
1338 |
* auto-generated keys (the list of such statements is vendor-specific). |
|
1339 |
* <p> |
|
1340 |
* This method should be used when the returned row count may exceed |
|
15284
aa4ba8514e3d
8006642: Fix javadoc warnings due to Integer.MAX_VALUE
lancea
parents:
15278
diff
changeset
|
1341 |
* {@link Integer#MAX_VALUE}. |
15278 | 1342 |
* <p> |
1343 |
* <strong>Note:</strong>This method cannot be called on a |
|
1344 |
* <code>PreparedStatement</code> or <code>CallableStatement</code>. |
|
1345 |
*<p> |
|
1346 |
* The default implementation will throw {@code SQLFeatureNotSupportedException} |
|
1347 |
* |
|
1348 |
* @param sql an SQL Data Manipulation Language (DML) statement, |
|
1349 |
* such as <code>INSERT</code>, <code>UPDATE</code> or |
|
1350 |
* <code>DELETE</code>; or an SQL statement that returns nothing, |
|
1351 |
* such as a DDL statement. |
|
1352 |
* @param columnNames an array of the names of the columns that should be |
|
1353 |
* returned from the inserted row |
|
1354 |
* @return either the row count for <code>INSERT</code>, <code>UPDATE</code>, |
|
1355 |
* or <code>DELETE</code> statements, or 0 for SQL statements |
|
1356 |
* that return nothing |
|
1357 |
* @exception SQLException if a database access error occurs, |
|
1358 |
* this method is called on a closed <code>Statement</code>, the SQL |
|
1359 |
* statement returns a <code>ResultSet</code> object, the |
|
1360 |
* second argument supplied to this method is not a <code>String</code> array |
|
1361 |
* whose elements are valid column names, the method is called on a |
|
1362 |
* <code>PreparedStatement</code> or <code>CallableStatement</code> |
|
1363 |
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
|
1364 |
* @throws SQLTimeoutException when the driver has determined that the |
|
1365 |
* timeout value that was specified by the {@code setQueryTimeout} |
|
1366 |
* method has been exceeded and has at least attempted to cancel |
|
1367 |
* the currently running {@code Statement} |
|
1368 |
* @since 1.8 |
|
1369 |
*/ |
|
1370 |
default long executeLargeUpdate(String sql, String columnNames[]) |
|
1371 |
throws SQLException { |
|
1372 |
throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented"); |
|
1373 |
} |
|
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1374 |
|
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1375 |
// JDBC 4.3 |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1376 |
|
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1377 |
/** |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1378 |
* Returns a {@code String} enclosed in single quotes. Any occurrence of a |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1379 |
* single quote within the string will be replaced by two single quotes. |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1380 |
* |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1381 |
* <blockquote> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1382 |
* <table class="striped"> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1383 |
* <caption>Examples of the conversion:</caption> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1384 |
* <thead> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1385 |
* <tr><th scope="col">Value</th><th scope="col">Result</th></tr> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1386 |
* </thead> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1387 |
* <tbody style="text-align:center"> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1388 |
* <tr> <th scope="row">Hello</th> <td>'Hello'</td> </tr> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1389 |
* <tr> <th scope="row">G'Day</th> <td>'G''Day'</td> </tr> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1390 |
* <tr> <th scope="row">'G''Day'</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1391 |
* <td>'''G''''Day'''</td> </tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1392 |
* <tr> <th scope="row">I'''M</th> <td>'I''''''M'</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1393 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1394 |
* |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1395 |
* </tbody> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1396 |
* </table> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1397 |
* </blockquote> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1398 |
* @implNote |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1399 |
* JDBC driver implementations may need to provide their own implementation |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1400 |
* of this method in order to meet the requirements of the underlying |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1401 |
* datasource. |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1402 |
* @param val a character string |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1403 |
* @return A string enclosed by single quotes with every single quote |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1404 |
* converted to two single quotes |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1405 |
* @throws NullPointerException if val is {@code null} |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1406 |
* @throws SQLException if a database access error occurs |
44256 | 1407 |
* |
1408 |
* @since 9 |
|
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1409 |
*/ |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1410 |
default String enquoteLiteral(String val) throws SQLException { |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1411 |
return "'" + val.replace("'", "''") + "'"; |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1412 |
} |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1413 |
|
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1414 |
|
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1415 |
/** |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1416 |
* Returns a SQL identifier. If {@code identifier} is a simple SQL identifier: |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1417 |
* <ul> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1418 |
* <li>Return the original value if {@code alwaysQuote} is |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1419 |
* {@code false}</li> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1420 |
* <li>Return a delimited identifier if {@code alwaysQuote} is |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1421 |
* {@code true}</li> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1422 |
* </ul> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1423 |
* |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1424 |
* If {@code identifier} is not a simple SQL identifier, {@code identifier} will be |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1425 |
* enclosed in double quotes if not already present. If the datasource does |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1426 |
* not support double quotes for delimited identifiers, the |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1427 |
* identifier should be enclosed by the string returned from |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1428 |
* {@link DatabaseMetaData#getIdentifierQuoteString}. If the datasource |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1429 |
* does not support delimited identifiers, a |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1430 |
* {@code SQLFeatureNotSupportedException} should be thrown. |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1431 |
* <p> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1432 |
* A {@code SQLException} will be thrown if {@code identifier} contains any |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1433 |
* characters invalid in a delimited identifier or the identifier length is |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1434 |
* invalid for the datasource. |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1435 |
* |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1436 |
* @implSpec |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1437 |
* The default implementation uses the following criteria to |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1438 |
* determine a valid simple SQL identifier: |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1439 |
* <ul> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1440 |
* <li>The string is not enclosed in double quotes</li> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1441 |
* <li>The first character is an alphabetic character from a through z, or |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1442 |
* from A through Z</li> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1443 |
* <li>The name only contains alphanumeric characters or the character "_"</li> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1444 |
* </ul> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1445 |
* |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1446 |
* The default implementation will throw a {@code SQLException} if: |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1447 |
* <ul> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1448 |
* <li>{@code identifier} contains a {@code null} character or double quote and is not |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1449 |
* a simple SQL identifier.</li> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1450 |
* <li>The length of {@code identifier} is less than 1 or greater than 128 characters |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1451 |
* </ul> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1452 |
* <blockquote> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1453 |
* <table class="striped" > |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1454 |
* <caption>Examples of the conversion:</caption> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1455 |
* <thead> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1456 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1457 |
* <th scope="col">identifier</th> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1458 |
* <th scope="col">alwaysQuote</th> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1459 |
* <th scope="col">Result</th></tr> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1460 |
* </thead> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1461 |
* <tbody> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1462 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1463 |
* <th scope="row">Hello</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1464 |
* <td>false</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1465 |
* <td>Hello</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1466 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1467 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1468 |
* <th scope="row">Hello</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1469 |
* <td>true</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1470 |
* <td>"Hello"</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1471 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1472 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1473 |
* <th scope="row">G'Day</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1474 |
* <td>false</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1475 |
* <td>"G'Day"</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1476 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1477 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1478 |
* <th scope="row">"Bruce Wayne"</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1479 |
* <td>false</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1480 |
* <td>"Bruce Wayne"</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1481 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1482 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1483 |
* <th scope="row">"Bruce Wayne"</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1484 |
* <td>true</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1485 |
* <td>"Bruce Wayne"</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1486 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1487 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1488 |
* <th scope="row">GoodDay$</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1489 |
* <td>false</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1490 |
* <td>"GoodDay$"</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1491 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1492 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1493 |
* <th scope="row">Hello"World</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1494 |
* <td>false</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1495 |
* <td>SQLException</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1496 |
* </tr> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1497 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1498 |
* <th scope="row">"Hello"World"</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1499 |
* <td>false</td> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1500 |
* <td>SQLException</td> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1501 |
* </tr> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1502 |
* </tbody> |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1503 |
* </table> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1504 |
* </blockquote> |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1505 |
* @implNote |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1506 |
* JDBC driver implementations may need to provide their own implementation |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1507 |
* of this method in order to meet the requirements of the underlying |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1508 |
* datasource. |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1509 |
* @param identifier a SQL identifier |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1510 |
* @param alwaysQuote indicates if a simple SQL identifier should be |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1511 |
* returned as a quoted identifier |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1512 |
* @return A simple SQL identifier or a delimited identifier |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1513 |
* @throws SQLException if identifier is not a valid identifier |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1514 |
* @throws SQLFeatureNotSupportedException if the datasource does not support |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1515 |
* delimited identifiers |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1516 |
* @throws NullPointerException if identifier is {@code null} |
44256 | 1517 |
* |
1518 |
* @since 9 |
|
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1519 |
*/ |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1520 |
default String enquoteIdentifier(String identifier, boolean alwaysQuote) throws SQLException { |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1521 |
int len = identifier.length(); |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1522 |
if (len < 1 || len > 128) { |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1523 |
throw new SQLException("Invalid name"); |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1524 |
} |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1525 |
if (Pattern.compile("[\\p{Alpha}][\\p{Alnum}_]*").matcher(identifier).matches()) { |
33306
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1526 |
return alwaysQuote ? "\"" + identifier + "\"" : identifier; |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1527 |
} |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1528 |
if (identifier.matches("^\".+\"$")) { |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1529 |
identifier = identifier.substring(1, len - 1); |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1530 |
} |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1531 |
if (Pattern.compile("[^\u0000\"]+").matcher(identifier).matches()) { |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1532 |
return "\"" + identifier + "\""; |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1533 |
} else { |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1534 |
throw new SQLException("Invalid name"); |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1535 |
} |
286b5548bab6
8139056: Add convenience methods to Statement.java
lancea
parents:
25859
diff
changeset
|
1536 |
} |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1537 |
|
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1538 |
/** |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1539 |
* Retrieves whether {@code identifier} is a simple SQL identifier. |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1540 |
* |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1541 |
* @implSpec The default implementation uses the following criteria to |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1542 |
* determine a valid simple SQL identifier: |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1543 |
* <ul> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1544 |
* <li>The string is not enclosed in double quotes</li> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1545 |
* <li>The first character is an alphabetic character from a through z, or |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1546 |
* from A through Z</li> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1547 |
* <li>The string only contains alphanumeric characters or the character |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1548 |
* "_"</li> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1549 |
* <li>The string is between 1 and 128 characters in length inclusive</li> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1550 |
* </ul> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1551 |
* |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1552 |
* <blockquote> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1553 |
* <table class="striped" > |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1554 |
* <caption>Examples of the conversion:</caption> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1555 |
* <thead> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1556 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1557 |
* <th scope="col">identifier</th> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1558 |
* <th scope="col">Simple Identifier</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1559 |
* </thead> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1560 |
* |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1561 |
* <tbody> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1562 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1563 |
* <th scope="row">Hello</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1564 |
* <td>true</td> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1565 |
* </tr> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1566 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1567 |
* <th scope="row">G'Day</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1568 |
* <td>false</td> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1569 |
* </tr> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1570 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1571 |
* <th scope="row">"Bruce Wayne"</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1572 |
* <td>false</td> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1573 |
* </tr> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1574 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1575 |
* <th scope="row">GoodDay$</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1576 |
* <td>false</td> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1577 |
* </tr> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1578 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1579 |
* <th scope="row">Hello"World</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1580 |
* <td>false</td> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1581 |
* </tr> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1582 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1583 |
* <th scope="row">"Hello"World"</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1584 |
* <td>false</td> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1585 |
* </tr> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1586 |
* </tbody> |
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1587 |
* </table> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1588 |
* </blockquote> |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1589 |
* @implNote JDBC driver implementations may need to provide their own |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1590 |
* implementation of this method in order to meet the requirements of the |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1591 |
* underlying datasource. |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1592 |
* @param identifier a SQL identifier |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1593 |
* @return true if a simple SQL identifier, false otherwise |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1594 |
* @throws NullPointerException if identifier is {@code null} |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1595 |
* @throws SQLException if a database access error occurs |
44256 | 1596 |
* |
1597 |
* @since 9 |
|
34337
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1598 |
*/ |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1599 |
default boolean isSimpleIdentifier(String identifier) throws SQLException { |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1600 |
int len = identifier.length(); |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1601 |
return len >= 1 && len <= 128 |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1602 |
&& Pattern.compile("[\\p{Alpha}][\\p{Alnum}_]*").matcher(identifier).matches(); |
b088bf935e4b
8143165: Add Statement.isSimpleIdentifier and update enquoteLiteral
lancea
parents:
33306
diff
changeset
|
1603 |
} |
34873 | 1604 |
|
1605 |
/** |
|
1606 |
* Returns a {@code String} representing a National Character Set Literal |
|
1607 |
* enclosed in single quotes and prefixed with a upper case letter N. |
|
1608 |
* Any occurrence of a single quote within the string will be replaced |
|
1609 |
* by two single quotes. |
|
1610 |
* |
|
1611 |
* <blockquote> |
|
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1612 |
* <table class="striped"> |
34873 | 1613 |
* <caption>Examples of the conversion:</caption> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1614 |
* <thead> |
34873 | 1615 |
* <tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1616 |
* <th scope="col">Value</th> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1617 |
* <th scope="col">Result</th> |
34873 | 1618 |
* </tr> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1619 |
* </thead> |
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1620 |
* <tbody> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1621 |
* <tr> <th scope="row">Hello</th> <td>N'Hello'</td> </tr> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1622 |
* <tr> <th scope="row">G'Day</th> <td>N'G''Day'</td> </tr> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1623 |
* <tr> <th scope="row">'G''Day'</th> |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1624 |
* <td>N'''G''''Day'''</td> </tr> |
45885
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1625 |
* <tr> <th scope="row">I'''M</th> <td>N'I''''''M'</td> |
562fed91cd84
8184311: Update java.sql and java.sql.rowset API docs for accessibility
jjg
parents:
45126
diff
changeset
|
1626 |
* <tr> <th scope="row">N'Hello'</th> <td>N'N''Hello'''</td> </tr> |
34873 | 1627 |
* |
45126
9c8ac4361d9f
8180256: Fix HTML 5 issues in java.sql and java.sql.rowset modules
jjg
parents:
44256
diff
changeset
|
1628 |
* </tbody> |
34873 | 1629 |
* </table> |
1630 |
* </blockquote> |
|
1631 |
* @implNote |
|
1632 |
* JDBC driver implementations may need to provide their own implementation |
|
1633 |
* of this method in order to meet the requirements of the underlying |
|
1634 |
* datasource. An implementation of enquoteNCharLiteral may accept a different |
|
1635 |
* set of characters than that accepted by the same drivers implementation of |
|
1636 |
* enquoteLiteral. |
|
1637 |
* @param val a character string |
|
1638 |
* @return the result of replacing every single quote character in the |
|
1639 |
* argument by two single quote characters where this entire result is |
|
1640 |
* then prefixed with 'N'. |
|
1641 |
* @throws NullPointerException if val is {@code null} |
|
1642 |
* @throws SQLException if a database access error occurs |
|
44256 | 1643 |
* |
1644 |
* @since 9 |
|
34873 | 1645 |
*/ |
1646 |
default String enquoteNCharLiteral(String val) throws SQLException { |
|
1647 |
return "N'" + val.replace("'", "''") + "'"; |
|
1648 |
} |
|
2 | 1649 |
} |