1 /* |
1 /* |
2 * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. Oracle designates this |
7 * published by the Free Software Foundation. Oracle designates this |
2520 * <LI><B>COLUMN_NAME</B> String => column name; <code>null</code> when TYPE is |
2520 * <LI><B>COLUMN_NAME</B> String => column name; <code>null</code> when TYPE is |
2521 * tableIndexStatistic |
2521 * tableIndexStatistic |
2522 * <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending, |
2522 * <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending, |
2523 * "D" => descending, may be <code>null</code> if sort sequence is not supported; |
2523 * "D" => descending, may be <code>null</code> if sort sequence is not supported; |
2524 * <code>null</code> when TYPE is tableIndexStatistic |
2524 * <code>null</code> when TYPE is tableIndexStatistic |
2525 * <LI><B>CARDINALITY</B> int => When TYPE is tableIndexStatistic, then |
2525 * <LI><B>CARDINALITY</B> long => When TYPE is tableIndexStatistic, then |
2526 * this is the number of rows in the table; otherwise, it is the |
2526 * this is the number of rows in the table; otherwise, it is the |
2527 * number of unique values in the index. |
2527 * number of unique values in the index. |
2528 * <LI><B>PAGES</B> int => When TYPE is tableIndexStatisic then |
2528 * <LI><B>PAGES</B> long => When TYPE is tableIndexStatisic then |
2529 * this is the number of pages used for the table, otherwise it |
2529 * this is the number of pages used for the table, otherwise it |
2530 * is the number of pages used for the current index. |
2530 * is the number of pages used for the current index. |
2531 * <LI><B>FILTER_CONDITION</B> String => Filter condition, if any. |
2531 * <LI><B>FILTER_CONDITION</B> String => Filter condition, if any. |
2532 * (may be <code>null</code>) |
2532 * (may be <code>null</code>) |
2533 * </OL> |
2533 * </OL> |
2757 boolean insertsAreDetected(int type) throws SQLException; |
2757 boolean insertsAreDetected(int type) throws SQLException; |
2758 |
2758 |
2759 /** |
2759 /** |
2760 * Retrieves whether this database supports batch updates. |
2760 * Retrieves whether this database supports batch updates. |
2761 * |
2761 * |
2762 * @return <code>true</code> if this database supports batch upcates; |
2762 * @return <code>true</code> if this database supports batch updates; |
2763 * <code>false</code> otherwise |
2763 * <code>false</code> otherwise |
2764 * @exception SQLException if a database access error occurs |
2764 * @exception SQLException if a database access error occurs |
2765 * @since 1.2 |
2765 * @since 1.2 |
2766 */ |
2766 */ |
2767 boolean supportsBatchUpdates() throws SQLException; |
2767 boolean supportsBatchUpdates() throws SQLException; |
3650 * @return <code>true</code> if so; <code>false</code> otherwise |
3650 * @return <code>true</code> if so; <code>false</code> otherwise |
3651 * @exception SQLException if a database access error occurs |
3651 * @exception SQLException if a database access error occurs |
3652 * @since 1.7 |
3652 * @since 1.7 |
3653 */ |
3653 */ |
3654 boolean generatedKeyAlwaysReturned() throws SQLException; |
3654 boolean generatedKeyAlwaysReturned() throws SQLException; |
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3655 |
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3656 //--------------------------JDBC 4.2 ----------------------------- |
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3657 |
|
3658 /** |
|
3659 * |
|
3660 * Retrieves the maximum number of bytes this database allows for |
|
3661 * the logical size for a {@code LOB}. |
|
3662 *<p> |
|
3663 * The default implementation will return {@code 0} |
|
3664 * |
|
3665 * @return the maximum number of bytes allowed; a result of zero |
|
3666 * means that there is no limit or the limit is not known |
|
3667 * @exception SQLException if a database access error occurs |
|
3668 * @since 1.8 |
|
3669 */ |
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3670 default long getMaxLogicalLobSize() throws SQLException { |
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3671 return 0; |
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3672 } |
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3673 |
|
3674 /** |
|
3675 * Retrieves whether this database supports REF CURSOR. |
|
3676 *<p> |
|
3677 * The default implementation will return {@code false} |
|
3678 * |
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3679 * @return {@code true} if this database supports REF CURSOR; |
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3680 * {@code false} otherwise |
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3681 * @exception SQLException if a database access error occurs |
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3682 * @since 1.8 |
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3683 */ |
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3684 default boolean supportsRefCursors() throws SQLException{ |
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3685 return false; |
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3686 } |
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3687 |
3655 } |
3688 } |