Fix error when inserting to tables with datetime fields with QODBC
SQL Server 10 introduced stricter rules for TIMESTAMP validation, making it necessary to specify the decimal digits. Other databases might do the same as well, so this patch introduces a check for the TIMESTAMP column size and adjusts the decimal digits parameter as needed. Task-number: QTBUG-2192 Change-Id: If6d798c6c928ebda75bc474e49a07fbbfbe5816c Reviewed-by: Mark Brand <mabrand@mabrand.nl>
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@ -54,6 +54,7 @@
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#include <qstringlist.h>
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#include <qvarlengtharray.h>
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#include <qvector.h>
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#include <qmath.h>
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#include <QDebug>
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#include <QSqlQuery>
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@ -115,7 +116,7 @@ class QODBCDriverPrivate
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public:
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enum DefaultCase{Lower, Mixed, Upper, Sensitive};
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QODBCDriverPrivate()
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: hEnv(0), hDbc(0), unicode(false), useSchema(false), disconnectCount(0), isMySqlServer(false),
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: hEnv(0), hDbc(0), unicode(false), useSchema(false), disconnectCount(0), datetime_precision(19), isMySqlServer(false),
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isMSSqlServer(false), isFreeTDSDriver(false), hasSQLFetchScroll(true),
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hasMultiResultSets(false), isQuoteInitialized(false), quote(QLatin1Char('"'))
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{
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@ -127,6 +128,7 @@ public:
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bool unicode;
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bool useSchema;
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int disconnectCount;
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int datetime_precision;
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bool isMySqlServer;
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bool isMSSqlServer;
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bool isFreeTDSDriver;
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@ -139,6 +141,7 @@ public:
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void checkHasSQLFetchScroll();
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void checkHasMultiResults();
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void checkSchemaUsage();
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void checkDateTimePrecision();
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bool setConnectionOptions(const QString& connOpts);
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void splitTableQualifier(const QString &qualifier, QString &catalog,
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QString &schema, QString &table);
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@ -1395,14 +1398,25 @@ bool QODBCResult::exec()
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dt->hour = qdt.time().hour();
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dt->minute = qdt.time().minute();
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dt->second = qdt.time().second();
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dt->fraction = qdt.time().msec() * 1000000;
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int precision = d->driverPrivate->datetime_precision - 20; // (20 includes a separating period)
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if (precision <= 0) {
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dt->fraction = 0;
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} else {
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dt->fraction = qdt.time().msec() * 1000000;
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// (How many leading digits do we want to keep? With SQL Server 2005, this should be 3: 123000000)
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int keep = (int)qPow(10.0, 9 - qMin(9, precision));
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dt->fraction /= keep * keep;
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}
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r = SQLBindParameter(d->hStmt,
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i + 1,
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qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
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SQL_C_TIMESTAMP,
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SQL_TIMESTAMP,
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19,
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0,
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d->driverPrivate->datetime_precision,
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precision,
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(void *) dt,
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0,
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*ind == SQL_NULL_DATA ? ind : NULL);
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@ -1887,6 +1901,7 @@ bool QODBCDriver::open(const QString & db,
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d->checkSqlServer();
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d->checkHasSQLFetchScroll();
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d->checkHasMultiResults();
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d->checkDateTimePrecision();
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setOpen(true);
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setOpenError(false);
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if(d->isMSSqlServer) {
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@ -2122,6 +2137,29 @@ void QODBCDriverPrivate::checkHasMultiResults()
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#endif
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}
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void QODBCDriverPrivate::checkDateTimePrecision()
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{
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SQLINTEGER columnSize;
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SQLHANDLE hStmt;
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SQLRETURN r = SQLAllocHandle(SQL_HANDLE_STMT, hDbc, &hStmt);
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if (r != SQL_SUCCESS) {
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return;
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}
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r = SQLGetTypeInfo(hStmt, SQL_TIMESTAMP);
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if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) {
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r = SQLFetch(hStmt);
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if ( r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO )
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{
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if (SQLGetData(hStmt, 3, SQL_INTEGER, &columnSize, sizeof(columnSize), 0) == SQL_SUCCESS) {
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datetime_precision = (int)columnSize;
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}
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}
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}
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SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
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}
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QSqlResult *QODBCDriver::createResult() const
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{
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return new QODBCResult(this, d);
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@ -219,6 +219,8 @@ private slots:
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void QTBUG_16967(); //clean close
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void QTBUG_23895_data() { generic_data("QSQLITE"); }
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void QTBUG_23895(); //sqlite boolean type
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void QTBUG_2192_data() { generic_data(); }
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void QTBUG_2192();
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void sqlite_constraint_data() { generic_data("QSQLITE"); }
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void sqlite_constraint();
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@ -341,7 +343,8 @@ void tst_QSqlQuery::dropTestTables( QSqlDatabase db )
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<< qTableName( "task_250026", __FILE__ )
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<< qTableName( "task_234422", __FILE__ )
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<< qTableName("test141895", __FILE__)
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<< qTableName("qtest_oraOCINumber", __FILE__);
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<< qTableName("qtest_oraOCINumber", __FILE__)
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<< qTableName( "bug2192", __FILE__);
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if ( db.driverName().startsWith("QPSQL") )
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tablenames << qTableName("task_233829", __FILE__);
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@ -3357,6 +3360,29 @@ void tst_QSqlQuery::QTBUG_23895()
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QVERIFY(!q.next());
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}
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void tst_QSqlQuery::QTBUG_2192()
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{
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QFETCH( QString, dbName );
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QSqlDatabase db = QSqlDatabase::database( dbName );
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CHECK_DATABASE( db );
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{
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const QString tableName(qTableName("bug2192", __FILE__));
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tst_Databases::safeDropTable( db, tableName );
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QSqlQuery q(db);
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QVERIFY_SQL(q, exec("CREATE TABLE " + tableName + " (dt DATETIME)"));
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QVERIFY_SQL(q, prepare("INSERT INTO " + tableName + " (dt) VALUES (?)"));
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q.bindValue(0, QVariant(QDateTime(QDate(2012, 7, 4), QTime(23, 59, 59, 999))));
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QVERIFY_SQL(q, exec());
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// Check if value was stored with at least second precision.
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QVERIFY_SQL(q, exec("SELECT dt FROM " + tableName));
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QVERIFY_SQL(q, next());
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QVERIFY(q.value(0).toDateTime().msecsTo(QDateTime(QDate(2012, 7, 4), QTime(23, 59, 59, 999))) < 1000 );
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}
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}
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void tst_QSqlQuery::oraOCINumber()
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{
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QFETCH( QString, dbName );
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