--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/SqlException.cpp	Mon May 25 21:11:17 2020 +0200
@@ -0,0 +1,63 @@
+/**
+ * Relational pipes
+ * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <cstring>
+#include <codecvt>
+#include <locale>
+
+#include <sql.h>
+#include <sqlext.h>
+
+#include "SqlException.h"
+
+namespace relpipe {
+namespace tr {
+namespace sql {
+
+SqlException::SqlException(std::wstring message) : message(message) {
+}
+
+SqlException::SqlException(std::wstring message, SQLRETURN resultCode, SQLSMALLINT handleType, SQLHANDLE handle) : message(message), resultCode(resultCode) {
+	std::wstring_convert < std::codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings
+	SQLCHAR buffer[SQL_MAX_MESSAGE_LENGTH + 1];
+	SQLCHAR sqlstate[SQL_SQLSTATE_SIZE + 1];
+	memset(buffer, 0, sizeof (buffer));
+	memset(sqlstate, 0, sizeof (sqlstate));
+	SQLINTEGER sqlcode;
+	SQLSMALLINT length;
+	for (SQLSMALLINT i = 1; SQLGetDiagRec(handleType, handle, i, sqlstate, &sqlcode, buffer, SQL_MAX_MESSAGE_LENGTH + 1, &length) == SQL_SUCCESS; i++) {
+		diagnostics.push_back({convertor.from_bytes((char*) sqlstate), sqlcode, convertor.from_bytes((char*) buffer)});
+	}
+}
+
+std::vector<SqlException::SqlDiagnosticsRecord> SqlException::getDiagnostics() const {
+	return diagnostics;
+}
+
+std::wstring SqlException::getMessage() const {
+	return message;
+}
+
+SQLRETURN SqlException::getResultCode() const {
+	return resultCode;
+}
+
+
+
+}
+}
+}