--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,2432 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtSql module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsql_odbc.h"
+#include <qsqlrecord.h>
+
+#if defined (Q_OS_WIN32)
+#include <qt_windows.h>
+#endif
+#include <qcoreapplication.h>
+#include <qvariant.h>
+#include <qdatetime.h>
+#include <qsqlerror.h>
+#include <qsqlfield.h>
+#include <qsqlindex.h>
+#include <qstringlist.h>
+#include <qvarlengtharray.h>
+#include <qvector.h>
+#include <QDebug>
+#include <QSqlQuery>
+
+QT_BEGIN_NAMESPACE
+
+// undefine this to prevent initial check of the ODBC driver
+#define ODBC_CHECK_DRIVER
+
+#if defined(Q_ODBC_VERSION_2)
+//crude hack to get non-unicode capable driver managers to work
+# undef UNICODE
+# define SQLTCHAR SQLCHAR
+# define SQL_C_WCHAR SQL_C_CHAR
+#endif
+
+// newer platform SDKs use SQLLEN instead of SQLINTEGER
+#if defined(WIN32) && (_MSC_VER < 1300)
+# define QSQLLEN SQLINTEGER
+# define QSQLULEN SQLUINTEGER
+#else
+# define QSQLLEN SQLLEN
+# define QSQLULEN SQLULEN
+#endif
+
+
+static const int COLNAMESIZE = 256;
+//Map Qt parameter types to ODBC types
+static const SQLSMALLINT qParamType[4] = { SQL_PARAM_INPUT, SQL_PARAM_INPUT, SQL_PARAM_OUTPUT, SQL_PARAM_INPUT_OUTPUT };
+
+class QODBCDriverPrivate
+{
+public:
+ enum DefaultCase{Lower, Mixed, Upper, Sensitive};
+ QODBCDriverPrivate()
+ : hEnv(0), hDbc(0), useSchema(false), disconnectCount(0), isMySqlServer(false),
+ isMSSqlServer(false), hasSQLFetchScroll(true), hasMultiResultSets(false),
+ isQuoteInitialized(false), quote(QLatin1Char('"'))
+ {
+ unicode = false;
+ }
+
+ SQLHANDLE hEnv;
+ SQLHANDLE hDbc;
+
+ uint unicode :1;
+ uint useSchema :1;
+ int disconnectCount;
+ bool isMySqlServer;
+ bool isMSSqlServer;
+ bool hasSQLFetchScroll;
+ bool hasMultiResultSets;
+
+ bool checkDriver() const;
+ void checkUnicode();
+ void checkSqlServer();
+ void checkHasSQLFetchScroll();
+ void checkHasMultiResults();
+ void checkSchemaUsage();
+ bool setConnectionOptions(const QString& connOpts);
+ void splitTableQualifier(const QString &qualifier, QString &catalog,
+ QString &schema, QString &table);
+ DefaultCase defaultCase() const;
+ QString adjustCase(const QString&) const;
+ QChar quoteChar();
+private:
+ bool isQuoteInitialized;
+ QChar quote;
+};
+
+class QODBCPrivate
+{
+public:
+ QODBCPrivate(QODBCDriverPrivate *dpp)
+ : hStmt(0), useSchema(false), hasSQLFetchScroll(true), driverPrivate(dpp), userForwardOnly(false)
+ {
+ unicode = false;
+ }
+
+ inline void clearValues()
+ { fieldCache.fill(QVariant()); fieldCacheIdx = 0; }
+
+ SQLHANDLE dpEnv() const { return driverPrivate ? driverPrivate->hEnv : 0;}
+ SQLHANDLE dpDbc() const { return driverPrivate ? driverPrivate->hDbc : 0;}
+ SQLHANDLE hStmt;
+
+ uint unicode :1;
+ uint useSchema :1;
+
+ QSqlRecord rInf;
+ QVector<QVariant> fieldCache;
+ int fieldCacheIdx;
+ int disconnectCount;
+ bool hasSQLFetchScroll;
+ QODBCDriverPrivate *driverPrivate;
+ bool userForwardOnly;
+
+ bool isStmtHandleValid(const QSqlDriver *driver);
+ void updateStmtHandleState(const QSqlDriver *driver);
+};
+
+bool QODBCPrivate::isStmtHandleValid(const QSqlDriver *driver)
+{
+ const QODBCDriver *odbcdriver = static_cast<const QODBCDriver*> (driver);
+ return disconnectCount == odbcdriver->d->disconnectCount;
+}
+
+void QODBCPrivate::updateStmtHandleState(const QSqlDriver *driver)
+{
+ const QODBCDriver *odbcdriver = static_cast<const QODBCDriver*> (driver);
+ disconnectCount = odbcdriver->d->disconnectCount;
+}
+
+static QString qWarnODBCHandle(int handleType, SQLHANDLE handle, int *nativeCode = 0)
+{
+ SQLINTEGER nativeCode_ = 0;
+ SQLSMALLINT msgLen = 0;
+ SQLRETURN r = SQL_NO_DATA;
+ SQLTCHAR state_[SQL_SQLSTATE_SIZE+1];
+ SQLTCHAR description_[SQL_MAX_MESSAGE_LENGTH];
+ QString result;
+ int i = 1;
+
+ description_[0] = 0;
+ do {
+ r = SQLGetDiagRec(handleType,
+ handle,
+ i,
+ (SQLTCHAR*)state_,
+ &nativeCode_,
+ (SQLTCHAR*)description_,
+ SQL_MAX_MESSAGE_LENGTH, /* in bytes, not in characters */
+ &msgLen);
+ if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) {
+ if (nativeCode)
+ *nativeCode = nativeCode_;
+ QString tmpstore;
+#ifdef UNICODE
+ tmpstore = QString((const QChar*)description_, msgLen);
+#else
+ tmpstore = QString::fromLocal8Bit((const char*)description_, msgLen);
+#endif
+ if(result != tmpstore) {
+ if(!result.isEmpty())
+ result += QLatin1Char(' ');
+ result += tmpstore;
+ }
+ } else if (r == SQL_ERROR || r == SQL_INVALID_HANDLE) {
+ return result;
+ }
+ ++i;
+ } while (r != SQL_NO_DATA);
+ return result;
+}
+
+static QString qODBCWarn(const QODBCPrivate* odbc, int *nativeCode = 0)
+{
+ return (qWarnODBCHandle(SQL_HANDLE_ENV, odbc->dpEnv()) + QLatin1Char(' ')
+ + qWarnODBCHandle(SQL_HANDLE_DBC, odbc->dpDbc()) + QLatin1Char(' ')
+ + qWarnODBCHandle(SQL_HANDLE_STMT, odbc->hStmt, nativeCode));
+}
+
+static QString qODBCWarn(const QODBCDriverPrivate* odbc, int *nativeCode = 0)
+{
+ return (qWarnODBCHandle(SQL_HANDLE_ENV, odbc->hEnv) + QLatin1Char(' ')
+ + qWarnODBCHandle(SQL_HANDLE_DBC, odbc->hDbc, nativeCode));
+}
+
+static void qSqlWarning(const QString& message, const QODBCPrivate* odbc)
+{
+ qWarning() << message << "\tError:" << qODBCWarn(odbc);
+}
+
+static void qSqlWarning(const QString &message, const QODBCDriverPrivate *odbc)
+{
+ qWarning() << message << "\tError:" << qODBCWarn(odbc);
+}
+
+static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type, const QODBCPrivate* p)
+{
+ int nativeCode = -1;
+ QString message = qODBCWarn(p, &nativeCode);
+ return QSqlError(QLatin1String("QODBC3: ") + err, message, type, nativeCode);
+}
+
+static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type,
+ const QODBCDriverPrivate* p)
+{
+ int nativeCode = -1;
+ QString message = qODBCWarn(p, &nativeCode);
+ return QSqlError(QLatin1String("QODBC3: ") + err, qODBCWarn(p), type, nativeCode);
+}
+
+template<class T>
+static QVariant::Type qDecodeODBCType(SQLSMALLINT sqltype, const T* p, bool isSigned = true)
+{
+ Q_UNUSED(p);
+ QVariant::Type type = QVariant::Invalid;
+ switch (sqltype) {
+ case SQL_DECIMAL:
+ case SQL_NUMERIC:
+ case SQL_REAL:
+ case SQL_FLOAT:
+ case SQL_DOUBLE:
+ type = QVariant::Double;
+ break;
+ case SQL_SMALLINT:
+ case SQL_INTEGER:
+ case SQL_BIT:
+ type = isSigned ? QVariant::Int : QVariant::UInt;
+ break;
+ case SQL_TINYINT:
+ type = QVariant::UInt;
+ break;
+ case SQL_BIGINT:
+ type = isSigned ? QVariant::LongLong : QVariant::ULongLong;
+ break;
+ case SQL_BINARY:
+ case SQL_VARBINARY:
+ case SQL_LONGVARBINARY:
+ type = QVariant::ByteArray;
+ break;
+ case SQL_DATE:
+ case SQL_TYPE_DATE:
+ type = QVariant::Date;
+ break;
+ case SQL_TIME:
+ case SQL_TYPE_TIME:
+ type = QVariant::Time;
+ break;
+ case SQL_TIMESTAMP:
+ case SQL_TYPE_TIMESTAMP:
+ type = QVariant::DateTime;
+ break;
+#ifndef Q_ODBC_VERSION_2
+ case SQL_WCHAR:
+ case SQL_WVARCHAR:
+ case SQL_WLONGVARCHAR:
+ type = QVariant::String;
+ break;
+#endif
+ case SQL_CHAR:
+ case SQL_VARCHAR:
+ case SQL_GUID:
+ case SQL_LONGVARCHAR:
+ type = QVariant::String;
+ break;
+ default:
+ type = QVariant::ByteArray;
+ break;
+ }
+ return type;
+}
+
+static QString qGetStringData(SQLHANDLE hStmt, int column, int colSize, bool unicode = false)
+{
+ QString fieldVal;
+ SQLRETURN r = SQL_ERROR;
+ QSQLLEN lengthIndicator = 0;
+
+ // NB! colSize must be a multiple of 2 for unicode enabled DBs
+ if (colSize <= 0) {
+ colSize = 256;
+ } else if (colSize > 65536) { // limit buffer size to 64 KB
+ colSize = 65536;
+ } else {
+ colSize++; // make sure there is room for more than the 0 termination
+ if (unicode) {
+ colSize *= 2; // a tiny bit faster, since it saves a SQLGetData() call
+ }
+ }
+ QVarLengthArray<char> buf(colSize);
+ while (true) {
+ r = SQLGetData(hStmt,
+ column+1,
+ unicode ? SQL_C_WCHAR : SQL_C_CHAR,
+ (SQLPOINTER)buf.data(),
+ colSize,
+ &lengthIndicator);
+ if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) {
+ if (lengthIndicator == SQL_NULL_DATA || lengthIndicator == SQL_NO_TOTAL) {
+ fieldVal.clear();
+ break;
+ }
+ // if SQL_SUCCESS_WITH_INFO is returned, indicating that
+ // more data can be fetched, the length indicator does NOT
+ // contain the number of bytes returned - it contains the
+ // total number of bytes that CAN be fetched
+ // colSize-1: remove 0 termination when there is more data to fetch
+ int rSize = (r == SQL_SUCCESS_WITH_INFO) ? (unicode ? colSize-2 : colSize-1) : lengthIndicator;
+ if (unicode) {
+ fieldVal += QString((const QChar*) buf.constData(), rSize / 2);
+ } else {
+ fieldVal += QString::fromAscii(buf.constData(), rSize);
+ }
+ memset(buf.data(), 0, colSize);
+ if (lengthIndicator < colSize) {
+ // workaround for Drivermanagers that don't return SQL_NO_DATA
+ break;
+ }
+ } else if (r == SQL_NO_DATA) {
+ break;
+ } else {
+ qWarning() << "qGetStringData: Error while fetching data (" << qWarnODBCHandle(SQL_HANDLE_STMT, hStmt) << ')';
+ fieldVal.clear();
+ break;
+ }
+ }
+ return fieldVal;
+}
+
+static QVariant qGetBinaryData(SQLHANDLE hStmt, int column)
+{
+ QByteArray fieldVal;
+ SQLSMALLINT colNameLen;
+ SQLSMALLINT colType;
+ QSQLULEN colSize;
+ SQLSMALLINT colScale;
+ SQLSMALLINT nullable;
+ QSQLLEN lengthIndicator = 0;
+ SQLRETURN r = SQL_ERROR;
+
+ SQLTCHAR colName[COLNAMESIZE];
+ r = SQLDescribeCol(hStmt,
+ column + 1,
+ colName,
+ COLNAMESIZE,
+ &colNameLen,
+ &colType,
+ &colSize,
+ &colScale,
+ &nullable);
+ if (r != SQL_SUCCESS)
+ qWarning() << "qGetBinaryData: Unable to describe column" << column;
+ // SQLDescribeCol may return 0 if size cannot be determined
+ if (!colSize)
+ colSize = 255;
+ else if (colSize > 65536) // read the field in 64 KB chunks
+ colSize = 65536;
+ fieldVal.resize(colSize);
+ ulong read = 0;
+ while (true) {
+ r = SQLGetData(hStmt,
+ column+1,
+ SQL_C_BINARY,
+ (SQLPOINTER)(fieldVal.constData() + read),
+ colSize,
+ &lengthIndicator);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO)
+ break;
+ if (lengthIndicator == SQL_NULL_DATA)
+ return QVariant(QVariant::ByteArray);
+ if (lengthIndicator > QSQLLEN(colSize) || lengthIndicator == SQL_NO_TOTAL) {
+ read += colSize;
+ colSize = 65536;
+ } else {
+ read += lengthIndicator;
+ }
+ if (r == SQL_SUCCESS) { // the whole field was read in one chunk
+ fieldVal.resize(read);
+ break;
+ }
+ fieldVal.resize(fieldVal.size() + colSize);
+ }
+ return fieldVal;
+}
+
+static QVariant qGetIntData(SQLHANDLE hStmt, int column, bool isSigned = true)
+{
+ SQLINTEGER intbuf = 0;
+ QSQLLEN lengthIndicator = 0;
+ SQLRETURN r = SQLGetData(hStmt,
+ column+1,
+ isSigned ? SQL_C_SLONG : SQL_C_ULONG,
+ (SQLPOINTER)&intbuf,
+ sizeof(intbuf),
+ &lengthIndicator);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO)
+ return QVariant(QVariant::Invalid);
+ if (lengthIndicator == SQL_NULL_DATA)
+ return QVariant(QVariant::Int);
+ if (isSigned)
+ return int(intbuf);
+ else
+ return uint(intbuf);
+}
+
+static QVariant qGetDoubleData(SQLHANDLE hStmt, int column)
+{
+ SQLDOUBLE dblbuf;
+ QSQLLEN lengthIndicator = 0;
+ SQLRETURN r = SQLGetData(hStmt,
+ column+1,
+ SQL_C_DOUBLE,
+ (SQLPOINTER) &dblbuf,
+ 0,
+ &lengthIndicator);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ return QVariant(QVariant::Invalid);
+ }
+ if(lengthIndicator == SQL_NULL_DATA)
+ return QVariant(QVariant::Double);
+
+ return (double) dblbuf;
+}
+
+
+static QVariant qGetBigIntData(SQLHANDLE hStmt, int column, bool isSigned = true)
+{
+ SQLBIGINT lngbuf = 0;
+ QSQLLEN lengthIndicator = 0;
+ SQLRETURN r = SQLGetData(hStmt,
+ column+1,
+ isSigned ? SQL_C_SBIGINT : SQL_C_UBIGINT,
+ (SQLPOINTER) &lngbuf,
+ sizeof(lngbuf),
+ &lengthIndicator);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO)
+ return QVariant(QVariant::Invalid);
+ if (lengthIndicator == SQL_NULL_DATA)
+ return QVariant(QVariant::LongLong);
+
+ if (isSigned)
+ return qint64(lngbuf);
+ else
+ return quint64(lngbuf);
+}
+
+// creates a QSqlField from a valid hStmt generated
+// by SQLColumns. The hStmt has to point to a valid position.
+static QSqlField qMakeFieldInfo(const SQLHANDLE hStmt, const QODBCDriverPrivate* p)
+{
+ QString fname = qGetStringData(hStmt, 3, -1, p->unicode);
+ int type = qGetIntData(hStmt, 4).toInt(); // column type
+ QSqlField f(fname, qDecodeODBCType(type, p));
+ int required = qGetIntData(hStmt, 10).toInt(); // nullable-flag
+ // required can be SQL_NO_NULLS, SQL_NULLABLE or SQL_NULLABLE_UNKNOWN
+ if (required == SQL_NO_NULLS)
+ f.setRequired(true);
+ else if (required == SQL_NULLABLE)
+ f.setRequired(false);
+ // else we don't know
+ QVariant var = qGetIntData(hStmt, 6);
+ f.setLength(var.isNull() ? -1 : var.toInt()); // column size
+ var = qGetIntData(hStmt, 8).toInt();
+ f.setPrecision(var.isNull() ? -1 : var.toInt()); // precision
+ f.setSqlType(type);
+ return f;
+}
+
+static QSqlField qMakeFieldInfo(const QODBCPrivate* p, int i )
+{
+ SQLSMALLINT colNameLen;
+ SQLSMALLINT colType;
+ QSQLULEN colSize;
+ SQLSMALLINT colScale;
+ SQLSMALLINT nullable;
+ SQLRETURN r = SQL_ERROR;
+ SQLTCHAR colName[COLNAMESIZE];
+ r = SQLDescribeCol(p->hStmt,
+ i+1,
+ colName,
+ (SQLSMALLINT)COLNAMESIZE,
+ &colNameLen,
+ &colType,
+ &colSize,
+ &colScale,
+ &nullable);
+
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QString::fromLatin1("qMakeField: Unable to describe column %1").arg(i), p);
+ return QSqlField();
+ }
+
+ QSQLLEN unsignedFlag = SQL_FALSE;
+ r = SQLColAttribute (p->hStmt,
+ i + 1,
+ SQL_DESC_UNSIGNED,
+ 0,
+ 0,
+ 0,
+ &unsignedFlag);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QString::fromLatin1("qMakeField: Unable to get column attributes for column %1").arg(i), p);
+ }
+
+#ifdef UNICODE
+ QString qColName((const QChar*)colName, colNameLen);
+#else
+ QString qColName = QString::fromLocal8Bit((const char*)colName);
+#endif
+ // nullable can be SQL_NO_NULLS, SQL_NULLABLE or SQL_NULLABLE_UNKNOWN
+ int required = -1;
+ if (nullable == SQL_NO_NULLS) {
+ required = 1;
+ } else if (nullable == SQL_NULLABLE) {
+ required = 0;
+ }
+ QVariant::Type type = qDecodeODBCType(colType, p, unsignedFlag == SQL_FALSE);
+ QSqlField f(qColName, type);
+ f.setSqlType(colType);
+ f.setLength(colSize == 0 ? -1 : int(colSize));
+ f.setPrecision(colScale == 0 ? -1 : int(colScale));
+ if (nullable == SQL_NO_NULLS)
+ f.setRequired(true);
+ else if (nullable == SQL_NULLABLE)
+ f.setRequired(false);
+ // else we don't know
+ return f;
+}
+
+static int qGetODBCVersion(const QString &connOpts)
+{
+#ifndef Q_ODBC_VERSION_2
+ if (connOpts.contains(QLatin1String("SQL_ATTR_ODBC_VERSION=SQL_OV_ODBC3"), Qt::CaseInsensitive))
+ return SQL_OV_ODBC3;
+#endif
+ return SQL_OV_ODBC2;
+}
+
+QChar QODBCDriverPrivate::quoteChar()
+{
+ if (!isQuoteInitialized) {
+ char driverResponse[4];
+ SQLSMALLINT length;
+ int r = SQLGetInfo(hDbc,
+ SQL_IDENTIFIER_QUOTE_CHAR,
+ &driverResponse,
+ sizeof(driverResponse),
+ &length);
+ if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) {
+ quote = QLatin1Char(driverResponse[0]);
+ } else {
+ quote = QLatin1Char('"');
+ }
+ isQuoteInitialized = true;
+ }
+ return quote;
+}
+
+
+bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts)
+{
+ // Set any connection attributes
+ const QStringList opts(connOpts.split(QLatin1Char(';'), QString::SkipEmptyParts));
+ SQLRETURN r = SQL_SUCCESS;
+ for (int i = 0; i < opts.count(); ++i) {
+ const QString tmp(opts.at(i));
+ int idx;
+ if ((idx = tmp.indexOf(QLatin1Char('='))) == -1) {
+ qWarning() << "QODBCDriver::open: Illegal connect option value '" << tmp << '\'';
+ continue;
+ }
+ const QString opt(tmp.left(idx));
+ const QString val(tmp.mid(idx + 1).simplified());
+ SQLUINTEGER v = 0;
+
+ r = SQL_SUCCESS;
+ if (opt.toUpper() == QLatin1String("SQL_ATTR_ACCESS_MODE")) {
+ if (val.toUpper() == QLatin1String("SQL_MODE_READ_ONLY")) {
+ v = SQL_MODE_READ_ONLY;
+ } else if (val.toUpper() == QLatin1String("SQL_MODE_READ_WRITE")) {
+ v = SQL_MODE_READ_WRITE;
+ } else {
+ qWarning() << "QODBCDriver::open: Unknown option value '" << val << '\'';
+ continue;
+ }
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_ACCESS_MODE, (SQLPOINTER) v, 0);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_CONNECTION_TIMEOUT")) {
+ v = val.toUInt();
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_CONNECTION_TIMEOUT, (SQLPOINTER) v, 0);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_LOGIN_TIMEOUT")) {
+ v = val.toUInt();
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_LOGIN_TIMEOUT, (SQLPOINTER) v, 0);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_CURRENT_CATALOG")) {
+ val.utf16(); // 0 terminate
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_CURRENT_CATALOG,
+#ifdef UNICODE
+ (SQLWCHAR*) val.unicode(),
+#else
+ (SQLCHAR*) val.toLatin1().constData(),
+#endif
+ SQL_NTS);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_METADATA_ID")) {
+ if (val.toUpper() == QLatin1String("SQL_TRUE")) {
+ v = SQL_TRUE;
+ } else if (val.toUpper() == QLatin1String("SQL_FALSE")) {
+ v = SQL_FALSE;
+ } else {
+ qWarning() << "QODBCDriver::open: Unknown option value '" << val << '\'';
+ continue;
+ }
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_METADATA_ID, (SQLPOINTER) v, 0);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_PACKET_SIZE")) {
+ v = val.toUInt();
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_PACKET_SIZE, (SQLPOINTER) v, 0);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_TRACEFILE")) {
+ val.utf16(); // 0 terminate
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_TRACEFILE,
+#ifdef UNICODE
+ (SQLWCHAR*) val.unicode(),
+#else
+ (SQLCHAR*) val.toLatin1().constData(),
+#endif
+ SQL_NTS);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_TRACE")) {
+ if (val.toUpper() == QLatin1String("SQL_OPT_TRACE_OFF")) {
+ v = SQL_OPT_TRACE_OFF;
+ } else if (val.toUpper() == QLatin1String("SQL_OPT_TRACE_ON")) {
+ v = SQL_OPT_TRACE_ON;
+ } else {
+ qWarning() << "QODBCDriver::open: Unknown option value '" << val << '\'';
+ continue;
+ }
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_TRACE, (SQLPOINTER) v, 0);
+#ifndef Q_ODBC_VERSION_2
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_CONNECTION_POOLING")) {
+ if (val == QLatin1String("SQL_CP_OFF"))
+ v = SQL_CP_OFF;
+ else if (val.toUpper() == QLatin1String("SQL_CP_ONE_PER_DRIVER"))
+ v = SQL_CP_ONE_PER_DRIVER;
+ else if (val.toUpper() == QLatin1String("SQL_CP_ONE_PER_HENV"))
+ v = SQL_CP_ONE_PER_HENV;
+ else if (val.toUpper() == QLatin1String("SQL_CP_DEFAULT"))
+ v = SQL_CP_DEFAULT;
+ else {
+ qWarning() << "QODBCDriver::open: Unknown option value '" << val << '\'';
+ continue;
+ }
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_CONNECTION_POOLING, (SQLPOINTER)v, 0);
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_CP_MATCH")) {
+ if (val.toUpper() == QLatin1String("SQL_CP_STRICT_MATCH"))
+ v = SQL_CP_STRICT_MATCH;
+ else if (val.toUpper() == QLatin1String("SQL_CP_RELAXED_MATCH"))
+ v = SQL_CP_RELAXED_MATCH;
+ else if (val.toUpper() == QLatin1String("SQL_CP_MATCH_DEFAULT"))
+ v = SQL_CP_MATCH_DEFAULT;
+ else {
+ qWarning() << "QODBCDriver::open: Unknown option value '" << val << '\'';
+ continue;
+ }
+ r = SQLSetConnectAttr(hDbc, SQL_ATTR_CP_MATCH, (SQLPOINTER)v, 0);
+#endif
+ } else if (opt.toUpper() == QLatin1String("SQL_ATTR_ODBC_VERSION")) {
+ // Already handled in QODBCDriver::open()
+ continue;
+ } else {
+ qWarning() << "QODBCDriver::open: Unknown connection attribute '" << opt << '\'';
+ }
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO)
+ qSqlWarning(QString::fromLatin1("QODBCDriver::open: Unable to set connection attribute'%1'").arg(
+ opt), this);
+ }
+ return true;
+}
+
+void QODBCDriverPrivate::splitTableQualifier(const QString & qualifier, QString &catalog,
+ QString &schema, QString &table)
+{
+ if (!useSchema) {
+ table = qualifier;
+ return;
+ }
+ QStringList l = qualifier.split(QLatin1Char('.'));
+ if (l.count() > 3)
+ return; // can't possibly be a valid table qualifier
+ int i = 0, n = l.count();
+ if (n == 1) {
+ table = qualifier;
+ } else {
+ for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+ if (n == 3) {
+ if (i == 0) {
+ catalog = *it;
+ } else if (i == 1) {
+ schema = *it;
+ } else if (i == 2) {
+ table = *it;
+ }
+ } else if (n == 2) {
+ if (i == 0) {
+ schema = *it;
+ } else if (i == 1) {
+ table = *it;
+ }
+ }
+ i++;
+ }
+ }
+}
+
+QODBCDriverPrivate::DefaultCase QODBCDriverPrivate::defaultCase() const
+{
+ DefaultCase ret;
+ SQLUSMALLINT casing;
+ int r = SQLGetInfo(hDbc,
+ SQL_IDENTIFIER_CASE,
+ &casing,
+ sizeof(casing),
+ NULL);
+ if ( r != SQL_SUCCESS)
+ ret = Mixed;//arbitrary case if driver cannot be queried
+ else {
+ switch (casing) {
+ case (SQL_IC_UPPER):
+ ret = Upper;
+ break;
+ case (SQL_IC_LOWER):
+ ret = Lower;
+ break;
+ case (SQL_IC_SENSITIVE):
+ ret = Sensitive;
+ break;
+ case (SQL_IC_MIXED):
+ default:
+ ret = Mixed;
+ break;
+ }
+ }
+ return ret;
+}
+
+/*
+ Adjust the casing of an identifier to match what the
+ database engine would have done to it.
+*/
+QString QODBCDriverPrivate::adjustCase(const QString &identifier) const
+{
+ QString ret = identifier;
+ switch(defaultCase()) {
+ case (Lower):
+ ret = identifier.toLower();
+ break;
+ case (Upper):
+ ret = identifier.toUpper();
+ break;
+ case(Mixed):
+ case(Sensitive):
+ default:
+ ret = identifier;
+ }
+ return ret;
+}
+
+////////////////////////////////////////////////////////////////////////////
+
+QODBCResult::QODBCResult(const QODBCDriver * db, QODBCDriverPrivate* p)
+: QSqlResult(db)
+{
+ d = new QODBCPrivate(p);
+ d->unicode = p->unicode;
+ d->useSchema = p->useSchema;
+ d->disconnectCount = p->disconnectCount;
+ d->hasSQLFetchScroll = p->hasSQLFetchScroll;
+}
+
+QODBCResult::~QODBCResult()
+{
+ if (d->hStmt && d->isStmtHandleValid(driver()) && driver()->isOpen()) {
+ SQLRETURN r = SQLFreeHandle(SQL_HANDLE_STMT, d->hStmt);
+ if (r != SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver: Unable to free statement handle ")
+ + QString::number(r), d);
+ }
+
+ delete d;
+}
+
+bool QODBCResult::reset (const QString& query)
+{
+ setActive(false);
+ setAt(QSql::BeforeFirstRow);
+ d->rInf.clear();
+ d->fieldCache.clear();
+ d->fieldCacheIdx = 0;
+
+ // Always reallocate the statement handle - the statement attributes
+ // are not reset if SQLFreeStmt() is called which causes some problems.
+ SQLRETURN r;
+ if (d->hStmt && d->isStmtHandleValid(driver())) {
+ r = SQLFreeHandle(SQL_HANDLE_STMT, d->hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCResult::reset: Unable to free statement handle"), d);
+ return false;
+ }
+ }
+ r = SQLAllocHandle(SQL_HANDLE_STMT,
+ d->dpDbc(),
+ &d->hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCResult::reset: Unable to allocate statement handle"), d);
+ return false;
+ }
+
+ d->updateStmtHandleState(driver());
+
+ if (d->userForwardOnly) {
+ r = SQLSetStmtAttr(d->hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY,
+ SQL_IS_UINTEGER);
+ } else {
+ r = SQLSetStmtAttr(d->hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_STATIC,
+ SQL_IS_UINTEGER);
+ }
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "QODBCResult::reset: Unable to set 'SQL_CURSOR_STATIC' as statement attribute. "
+ "Please check your ODBC driver configuration"), QSqlError::StatementError, d));
+ return false;
+ }
+
+#ifdef UNICODE
+ r = SQLExecDirect(d->hStmt,
+ (SQLWCHAR*) query.unicode(),
+ (SQLINTEGER) query.length());
+#else
+ QByteArray query8 = query.toLocal8Bit();
+ r = SQLExecDirect(d->hStmt,
+ (SQLCHAR*) query8.constData(),
+ (SQLINTEGER) query8.length());
+#endif
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to execute statement"), QSqlError::StatementError, d));
+ return false;
+ }
+
+ SQLINTEGER isScrollable, bufferLength;
+ r = SQLGetStmtAttr(d->hStmt, SQL_ATTR_CURSOR_SCROLLABLE, &isScrollable, SQL_IS_INTEGER, &bufferLength);
+ if(r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO)
+ QSqlResult::setForwardOnly(isScrollable==SQL_NONSCROLLABLE);
+
+ SQLSMALLINT count;
+ SQLNumResultCols(d->hStmt, &count);
+ if (count) {
+ setSelect(true);
+ for (int i = 0; i < count; ++i) {
+ d->rInf.append(qMakeFieldInfo(d, i));
+ }
+ d->fieldCache.resize(count);
+ } else {
+ setSelect(false);
+ }
+ setActive(true);
+
+ return true;
+}
+
+bool QODBCResult::fetch(int i)
+{
+ if (!driver()->isOpen())
+ return false;
+
+ if (isForwardOnly() && i < at())
+ return false;
+ if (i == at())
+ return true;
+ d->clearValues();
+ int actualIdx = i + 1;
+ if (actualIdx <= 0) {
+ setAt(QSql::BeforeFirstRow);
+ return false;
+ }
+ SQLRETURN r;
+ if (isForwardOnly()) {
+ bool ok = true;
+ while (ok && i > at())
+ ok = fetchNext();
+ return ok;
+ } else {
+ r = SQLFetchScroll(d->hStmt,
+ SQL_FETCH_ABSOLUTE,
+ actualIdx);
+ }
+ if (r != SQL_SUCCESS) {
+ if (r != SQL_NO_DATA)
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to fetch"), QSqlError::ConnectionError, d));
+ return false;
+ }
+ setAt(i);
+ return true;
+}
+
+bool QODBCResult::fetchNext()
+{
+ SQLRETURN r;
+ d->clearValues();
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(d->hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(d->hStmt);
+
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ if (r != SQL_NO_DATA)
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to fetch next"), QSqlError::ConnectionError, d));
+ return false;
+ }
+ setAt(at() + 1);
+ return true;
+}
+
+bool QODBCResult::fetchFirst()
+{
+ if (isForwardOnly() && at() != QSql::BeforeFirstRow)
+ return false;
+ SQLRETURN r;
+ d->clearValues();
+ if (isForwardOnly()) {
+ return fetchNext();
+ }
+ r = SQLFetchScroll(d->hStmt,
+ SQL_FETCH_FIRST,
+ 0);
+ if (r != SQL_SUCCESS) {
+ if (r != SQL_NO_DATA)
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to fetch first"), QSqlError::ConnectionError, d));
+ return false;
+ }
+ setAt(0);
+ return true;
+}
+
+bool QODBCResult::fetchPrevious()
+{
+ if (isForwardOnly())
+ return false;
+ SQLRETURN r;
+ d->clearValues();
+ r = SQLFetchScroll(d->hStmt,
+ SQL_FETCH_PRIOR,
+ 0);
+ if (r != SQL_SUCCESS) {
+ if (r != SQL_NO_DATA)
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to fetch previous"), QSqlError::ConnectionError, d));
+ return false;
+ }
+ setAt(at() - 1);
+ return true;
+}
+
+bool QODBCResult::fetchLast()
+{
+ SQLRETURN r;
+ d->clearValues();
+
+ if (isForwardOnly()) {
+ // cannot seek to last row in forwardOnly mode, so we have to use brute force
+ int i = at();
+ if (i == QSql::AfterLastRow)
+ return false;
+ if (i == QSql::BeforeFirstRow)
+ i = 0;
+ while (fetchNext())
+ ++i;
+ setAt(i);
+ return true;
+ }
+
+ r = SQLFetchScroll(d->hStmt,
+ SQL_FETCH_LAST,
+ 0);
+ if (r != SQL_SUCCESS) {
+ if (r != SQL_NO_DATA)
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to fetch last"), QSqlError::ConnectionError, d));
+ return false;
+ }
+ SQLINTEGER currRow;
+ r = SQLGetStmtAttr(d->hStmt,
+ SQL_ROW_NUMBER,
+ &currRow,
+ SQL_IS_INTEGER,
+ 0);
+ if (r != SQL_SUCCESS)
+ return false;
+ setAt(currRow-1);
+ return true;
+}
+
+QVariant QODBCResult::data(int field)
+{
+ if (field >= d->rInf.count() || field < 0) {
+ qWarning() << "QODBCResult::data: column" << field << "out of range";
+ return QVariant();
+ }
+ if (field < d->fieldCacheIdx)
+ return d->fieldCache.at(field);
+
+ SQLRETURN r(0);
+ QSQLLEN lengthIndicator = 0;
+
+ for (int i = d->fieldCacheIdx; i <= field; ++i) {
+ // some servers do not support fetching column n after we already
+ // fetched column n+1, so cache all previous columns here
+ const QSqlField info = d->rInf.field(i);
+ switch (info.type()) {
+ case QVariant::LongLong:
+ d->fieldCache[i] = qGetBigIntData(d->hStmt, i);
+ break;
+ case QVariant::ULongLong:
+ d->fieldCache[i] = qGetBigIntData(d->hStmt, i, false);
+ break;
+ case QVariant::Int:
+ d->fieldCache[i] = qGetIntData(d->hStmt, i);
+ break;
+ case QVariant::UInt:
+ d->fieldCache[i] = qGetIntData(d->hStmt, i, false);
+ break;
+ case QVariant::Date:
+ DATE_STRUCT dbuf;
+ r = SQLGetData(d->hStmt,
+ i + 1,
+ SQL_C_DATE,
+ (SQLPOINTER)&dbuf,
+ 0,
+ &lengthIndicator);
+ if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && (lengthIndicator != SQL_NULL_DATA))
+ d->fieldCache[i] = QVariant(QDate(dbuf.year, dbuf.month, dbuf.day));
+ else
+ d->fieldCache[i] = QVariant(QVariant::Date);
+ break;
+ case QVariant::Time:
+ TIME_STRUCT tbuf;
+ r = SQLGetData(d->hStmt,
+ i + 1,
+ SQL_C_TIME,
+ (SQLPOINTER)&tbuf,
+ 0,
+ &lengthIndicator);
+ if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && (lengthIndicator != SQL_NULL_DATA))
+ d->fieldCache[i] = QVariant(QTime(tbuf.hour, tbuf.minute, tbuf.second));
+ else
+ d->fieldCache[i] = QVariant(QVariant::Time);
+ break;
+ case QVariant::DateTime:
+ TIMESTAMP_STRUCT dtbuf;
+ r = SQLGetData(d->hStmt,
+ i + 1,
+ SQL_C_TIMESTAMP,
+ (SQLPOINTER)&dtbuf,
+ 0,
+ &lengthIndicator);
+ if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && (lengthIndicator != SQL_NULL_DATA))
+ d->fieldCache[i] = QVariant(QDateTime(QDate(dtbuf.year, dtbuf.month, dtbuf.day),
+ QTime(dtbuf.hour, dtbuf.minute, dtbuf.second, dtbuf.fraction / 1000000)));
+ else
+ d->fieldCache[i] = QVariant(QVariant::DateTime);
+ break;
+ case QVariant::ByteArray:
+ d->fieldCache[i] = qGetBinaryData(d->hStmt, i);
+ break;
+ case QVariant::String:
+ d->fieldCache[i] = qGetStringData(d->hStmt, i, info.length(), d->unicode);
+ break;
+ case QVariant::Double:
+ switch(numericalPrecisionPolicy()) {
+ case QSql::LowPrecisionInt32:
+ d->fieldCache[i] = qGetIntData(d->hStmt, i);
+ break;
+ case QSql::LowPrecisionInt64:
+ d->fieldCache[i] = qGetBigIntData(d->hStmt, i);
+ break;
+ case QSql::LowPrecisionDouble:
+ d->fieldCache[i] = qGetDoubleData(d->hStmt, i);
+ break;
+ case QSql::HighPrecision:
+ d->fieldCache[i] = qGetStringData(d->hStmt, i, info.length(), false);
+ break;
+ }
+ break;
+ default:
+ d->fieldCache[i] = QVariant(qGetStringData(d->hStmt, i, info.length(), false));
+ break;
+ }
+ d->fieldCacheIdx = field + 1;
+ }
+ return d->fieldCache[field];
+}
+
+bool QODBCResult::isNull(int field)
+{
+ if (field < 0 || field > d->fieldCache.size())
+ return true;
+ if (field <= d->fieldCacheIdx) {
+ // since there is no good way to find out whether the value is NULL
+ // without fetching the field we'll fetch it here.
+ // (data() also sets the NULL flag)
+ data(field);
+ }
+ return d->fieldCache.at(field).isNull();
+}
+
+int QODBCResult::size()
+{
+ return -1;
+}
+
+int QODBCResult::numRowsAffected()
+{
+ QSQLLEN affectedRowCount = 0;
+ SQLRETURN r = SQLRowCount(d->hStmt, &affectedRowCount);
+ if (r == SQL_SUCCESS)
+ return affectedRowCount;
+ else
+ qSqlWarning(QLatin1String("QODBCResult::numRowsAffected: Unable to count affected rows"), d);
+ return -1;
+}
+
+bool QODBCResult::prepare(const QString& query)
+{
+ setActive(false);
+ setAt(QSql::BeforeFirstRow);
+ SQLRETURN r;
+
+ d->rInf.clear();
+ if (d->hStmt && d->isStmtHandleValid(driver())) {
+ r = SQLFreeHandle(SQL_HANDLE_STMT, d->hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCResult::prepare: Unable to close statement"), d);
+ return false;
+ }
+ }
+ r = SQLAllocHandle(SQL_HANDLE_STMT,
+ d->dpDbc(),
+ &d->hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCResult::prepare: Unable to allocate statement handle"), d);
+ return false;
+ }
+
+ d->updateStmtHandleState(driver());
+
+ if (d->userForwardOnly) {
+ r = SQLSetStmtAttr(d->hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY,
+ SQL_IS_UINTEGER);
+ } else {
+ r = SQLSetStmtAttr(d->hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_STATIC,
+ SQL_IS_UINTEGER);
+ }
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "QODBCResult::reset: Unable to set 'SQL_CURSOR_STATIC' as statement attribute. "
+ "Please check your ODBC driver configuration"), QSqlError::StatementError, d));
+ return false;
+ }
+
+#ifdef UNICODE
+ r = SQLPrepare(d->hStmt,
+ (SQLWCHAR*) query.unicode(),
+ (SQLINTEGER) query.length());
+#else
+ QByteArray query8 = query.toLocal8Bit();
+ r = SQLPrepare(d->hStmt,
+ (SQLCHAR*) query8.constData(),
+ (SQLINTEGER) query8.length());
+#endif
+
+ if (r != SQL_SUCCESS) {
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to prepare statement"), QSqlError::StatementError, d));
+ return false;
+ }
+ return true;
+}
+
+bool QODBCResult::exec()
+{
+ setActive(false);
+ setAt(QSql::BeforeFirstRow);
+ d->rInf.clear();
+ d->fieldCache.clear();
+ d->fieldCacheIdx = 0;
+
+ if (!d->hStmt) {
+ qSqlWarning(QLatin1String("QODBCResult::exec: No statement handle available"), d);
+ return false;
+ }
+
+ if (isSelect())
+ SQLCloseCursor(d->hStmt);
+
+ QList<QByteArray> tmpStorage; // holds temporary buffers
+ QVarLengthArray<QSQLLEN, 32> indicators(boundValues().count());
+ memset(indicators.data(), 0, indicators.size() * sizeof(QSQLLEN));
+
+ // bind parameters - only positional binding allowed
+ QVector<QVariant>& values = boundValues();
+ int i;
+ SQLRETURN r;
+ for (i = 0; i < values.count(); ++i) {
+ if (bindValueType(i) & QSql::Out)
+ values[i].detach();
+ const QVariant &val = values.at(i);
+ QSQLLEN *ind = &indicators[i];
+ if (val.isNull())
+ *ind = SQL_NULL_DATA;
+ switch (val.type()) {
+ case QVariant::Date: {
+ QByteArray ba;
+ ba.resize(sizeof(DATE_STRUCT));
+ DATE_STRUCT *dt = (DATE_STRUCT *)ba.constData();
+ QDate qdt = val.toDate();
+ dt->year = qdt.year();
+ dt->month = qdt.month();
+ dt->day = qdt.day();
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_DATE,
+ SQL_DATE,
+ 0,
+ 0,
+ (void *) dt,
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ tmpStorage.append(ba);
+ break; }
+ case QVariant::Time: {
+ QByteArray ba;
+ ba.resize(sizeof(TIME_STRUCT));
+ TIME_STRUCT *dt = (TIME_STRUCT *)ba.constData();
+ QTime qdt = val.toTime();
+ dt->hour = qdt.hour();
+ dt->minute = qdt.minute();
+ dt->second = qdt.second();
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_TIME,
+ SQL_TIME,
+ 0,
+ 0,
+ (void *) dt,
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ tmpStorage.append(ba);
+ break; }
+ case QVariant::DateTime: {
+ QByteArray ba;
+ ba.resize(sizeof(TIMESTAMP_STRUCT));
+ TIMESTAMP_STRUCT * dt = (TIMESTAMP_STRUCT *)ba.constData();
+ QDateTime qdt = val.toDateTime();
+ dt->year = qdt.date().year();
+ dt->month = qdt.date().month();
+ dt->day = qdt.date().day();
+ dt->hour = qdt.time().hour();
+ dt->minute = qdt.time().minute();
+ dt->second = qdt.time().second();
+ dt->fraction = qdt.time().msec() * 1000000;
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_TIMESTAMP,
+ SQL_TIMESTAMP,
+ 19,
+ 0,
+ (void *) dt,
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ tmpStorage.append(ba);
+ break; }
+ case QVariant::Int:
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_SLONG,
+ SQL_INTEGER,
+ 0,
+ 0,
+ (void *) val.constData(),
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ break;
+ case QVariant::UInt:
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_ULONG,
+ SQL_NUMERIC,
+ 15,
+ 0,
+ (void *) val.constData(),
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ break;
+ case QVariant::Double:
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_DOUBLE,
+ SQL_DOUBLE,
+ 0,
+ 0,
+ (void *) val.constData(),
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ break;
+ case QVariant::LongLong:
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_SBIGINT,
+ SQL_BIGINT,
+ 0,
+ 0,
+ (void *) val.constData(),
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ break;
+ case QVariant::ULongLong:
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_UBIGINT,
+ SQL_BIGINT,
+ 0,
+ 0,
+ (void *) val.constData(),
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ break;
+ case QVariant::ByteArray:
+ if (*ind != SQL_NULL_DATA) {
+ *ind = val.toByteArray().size();
+ }
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_BINARY,
+ SQL_LONGVARBINARY,
+ val.toByteArray().size(),
+ 0,
+ (void *) val.toByteArray().constData(),
+ val.toByteArray().size(),
+ ind);
+ break;
+ case QVariant::Bool:
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_BIT,
+ SQL_BIT,
+ 0,
+ 0,
+ (void *) val.constData(),
+ 0,
+ *ind == SQL_NULL_DATA ? ind : NULL);
+ break;
+ case QVariant::String:
+#ifndef Q_ODBC_VERSION_2
+ if (d->unicode) {
+ QString str = val.toString();
+ str.utf16();
+ if (*ind != SQL_NULL_DATA)
+ *ind = str.length() * sizeof(QChar);
+ int strSize = str.length() * sizeof(QChar);
+
+ if (bindValueType(i) & QSql::Out) {
+ QByteArray ba((char*)str.constData(), str.capacity() * sizeof(QChar));
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_WCHAR,
+ strSize > 254 ? SQL_WLONGVARCHAR : SQL_WVARCHAR,
+ 0, // god knows... don't change this!
+ 0,
+ (void *)ba.constData(),
+ ba.size(),
+ ind);
+ tmpStorage.append(ba);
+ break;
+ }
+
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_WCHAR,
+ strSize > 254 ? SQL_WLONGVARCHAR : SQL_WVARCHAR,
+ strSize,
+ 0,
+ (void *)str.constData(),
+ strSize,
+ ind);
+ break;
+ }
+ else
+#endif
+ {
+ QByteArray str = val.toString().toAscii();
+ if (*ind != SQL_NULL_DATA)
+ *ind = str.length();
+ int strSize = str.length();
+
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_CHAR,
+ strSize > 254 ? SQL_LONGVARCHAR : SQL_VARCHAR,
+ strSize,
+ 0,
+ (void *)str.constData(),
+ strSize,
+ ind);
+ tmpStorage.append(str);
+ break;
+ }
+ // fall through
+ default: {
+ QByteArray ba = val.toByteArray();
+ if (*ind != SQL_NULL_DATA)
+ *ind = ba.size();
+ r = SQLBindParameter(d->hStmt,
+ i + 1,
+ qParamType[(QFlag)(bindValueType(i)) & QSql::InOut],
+ SQL_C_BINARY,
+ SQL_VARBINARY,
+ ba.length() + 1,
+ 0,
+ (void *) ba.constData(),
+ ba.length() + 1,
+ ind);
+ tmpStorage.append(ba);
+ break; }
+ }
+ if (r != SQL_SUCCESS) {
+ qWarning() << "QODBCResult::exec: unable to bind variable:" << qODBCWarn(d);
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to bind variable"), QSqlError::StatementError, d));
+ return false;
+ }
+ }
+ r = SQLExecute(d->hStmt);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ qWarning() << "QODBCResult::exec: Unable to execute statement:" << qODBCWarn(d);
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to execute statement"), QSqlError::StatementError, d));
+ return false;
+ }
+
+ SQLINTEGER isScrollable, bufferLength;
+ r = SQLGetStmtAttr(d->hStmt, SQL_ATTR_CURSOR_SCROLLABLE, &isScrollable, SQL_IS_INTEGER, &bufferLength);
+ if(r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO)
+ QSqlResult::setForwardOnly(isScrollable==SQL_NONSCROLLABLE);
+
+ SQLSMALLINT count;
+ SQLNumResultCols(d->hStmt, &count);
+ if (count) {
+ setSelect(true);
+ for (int i = 0; i < count; ++i) {
+ d->rInf.append(qMakeFieldInfo(d, i));
+ }
+ d->fieldCache.resize(count);
+ } else {
+ setSelect(false);
+ }
+ setActive(true);
+
+
+ //get out parameters
+ if (!hasOutValues())
+ return true;
+
+ for (i = 0; i < values.count(); ++i) {
+ switch (values.at(i).type()) {
+ case QVariant::Date: {
+ DATE_STRUCT ds = *((DATE_STRUCT *)tmpStorage.takeFirst().constData());
+ values[i] = QVariant(QDate(ds.year, ds.month, ds.day));
+ break; }
+ case QVariant::Time: {
+ TIME_STRUCT dt = *((TIME_STRUCT *)tmpStorage.takeFirst().constData());
+ values[i] = QVariant(QTime(dt.hour, dt.minute, dt.second));
+ break; }
+ case QVariant::DateTime: {
+ TIMESTAMP_STRUCT dt = *((TIMESTAMP_STRUCT*)
+ tmpStorage.takeFirst().constData());
+ values[i] = QVariant(QDateTime(QDate(dt.year, dt.month, dt.day),
+ QTime(dt.hour, dt.minute, dt.second, dt.fraction / 1000000)));
+ break; }
+ case QVariant::Bool:
+ case QVariant::Int:
+ case QVariant::UInt:
+ case QVariant::Double:
+ case QVariant::ByteArray:
+ case QVariant::LongLong:
+ case QVariant::ULongLong:
+ //nothing to do
+ break;
+ case QVariant::String:
+ if (d->unicode) {
+ if (bindValueType(i) & QSql::Out)
+ values[i] = QString::fromUtf16((ushort*)tmpStorage.takeFirst().constData());
+ break;
+ }
+ // fall through
+ default: {
+ QByteArray ba = tmpStorage.takeFirst();
+ if (bindValueType(i) & QSql::Out)
+ values[i] = QString::fromAscii(ba.constData());
+ break; }
+ }
+ if (indicators[i] == SQL_NULL_DATA)
+ values[i] = QVariant(values[i].type());
+ }
+ return true;
+}
+
+QSqlRecord QODBCResult::record() const
+{
+ if (!isActive() || !isSelect())
+ return QSqlRecord();
+ return d->rInf;
+}
+
+QVariant QODBCResult::handle() const
+{
+ return QVariant(qRegisterMetaType<SQLHANDLE>("SQLHANDLE"), &d->hStmt);
+}
+
+bool QODBCResult::nextResult()
+{
+ setActive(false);
+ setAt(QSql::BeforeFirstRow);
+ d->rInf.clear();
+ d->fieldCache.clear();
+ d->fieldCacheIdx = 0;
+ setSelect(false);
+
+ SQLRETURN r = SQLMoreResults(d->hStmt);
+ if (r != SQL_SUCCESS) {
+ if (r == SQL_SUCCESS_WITH_INFO) {
+ int nativeCode = -1;
+ QString message = qODBCWarn(d, &nativeCode);
+ qWarning() << "QODBCResult::nextResult():" << message;
+ } else {
+ if (r != SQL_NO_DATA)
+ setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
+ "Unable to fetch last"), QSqlError::ConnectionError, d));
+ return false;
+ }
+ }
+
+ SQLSMALLINT count;
+ SQLNumResultCols(d->hStmt, &count);
+ if (count) {
+ setSelect(true);
+ for (int i = 0; i < count; ++i) {
+ d->rInf.append(qMakeFieldInfo(d, i));
+ }
+ d->fieldCache.resize(count);
+ } else {
+ setSelect(false);
+ }
+ setActive(true);
+
+ return true;
+}
+
+void QODBCResult::virtual_hook(int id, void *data)
+{
+ switch (id) {
+ case QSqlResult::DetachFromResultSet:
+ if (d->hStmt)
+ SQLCloseCursor(d->hStmt);
+ break;
+ case QSqlResult::NextResult:
+ Q_ASSERT(data);
+ *static_cast<bool*>(data) = nextResult();
+ break;
+ default:
+ QSqlResult::virtual_hook(id, data);
+ }
+}
+
+void QODBCResult::setForwardOnly(bool forward)
+{
+ d->userForwardOnly = forward;
+ QSqlResult::setForwardOnly(forward);
+}
+
+////////////////////////////////////////
+
+
+QODBCDriver::QODBCDriver(QObject *parent)
+ : QSqlDriver(parent)
+{
+ init();
+}
+
+QODBCDriver::QODBCDriver(SQLHANDLE env, SQLHANDLE con, QObject * parent)
+ : QSqlDriver(parent)
+{
+ init();
+ d->hEnv = env;
+ d->hDbc = con;
+ if (env && con) {
+ setOpen(true);
+ setOpenError(false);
+ }
+}
+
+void QODBCDriver::init()
+{
+ d = new QODBCDriverPrivate();
+}
+
+QODBCDriver::~QODBCDriver()
+{
+ cleanup();
+ delete d;
+}
+
+bool QODBCDriver::hasFeature(DriverFeature f) const
+{
+ switch (f) {
+ case Transactions: {
+ if (!d->hDbc)
+ return false;
+ SQLUSMALLINT txn;
+ SQLSMALLINT t;
+ int r = SQLGetInfo(d->hDbc,
+ (SQLUSMALLINT)SQL_TXN_CAPABLE,
+ &txn,
+ sizeof(txn),
+ &t);
+ if (r != SQL_SUCCESS || txn == SQL_TC_NONE)
+ return false;
+ else
+ return true;
+ }
+ case Unicode:
+ return d->unicode;
+ case PreparedQueries:
+ case PositionalPlaceholders:
+ case FinishQuery:
+ case LowPrecisionNumbers:
+ return true;
+ case QuerySize:
+ case NamedPlaceholders:
+ case LastInsertId:
+ case BatchOperations:
+ case SimpleLocking:
+ case EventNotifications:
+ return false;
+ case MultipleResultSets:
+ return d->hasMultiResultSets;
+ case BLOB: {
+ if(d->isMySqlServer)
+ return true;
+ else
+ return false;
+ }
+ }
+ return false;
+}
+
+bool QODBCDriver::open(const QString & db,
+ const QString & user,
+ const QString & password,
+ const QString &,
+ int,
+ const QString& connOpts)
+{
+ if (isOpen())
+ close();
+ SQLRETURN r;
+ r = SQLAllocHandle(SQL_HANDLE_ENV,
+ SQL_NULL_HANDLE,
+ &d->hEnv);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ qSqlWarning(QLatin1String("QODBCDriver::open: Unable to allocate environment"), d);
+ setOpenError(true);
+ return false;
+ }
+ r = SQLSetEnvAttr(d->hEnv,
+ SQL_ATTR_ODBC_VERSION,
+ (SQLPOINTER)qGetODBCVersion(connOpts),
+ SQL_IS_UINTEGER);
+ r = SQLAllocHandle(SQL_HANDLE_DBC,
+ d->hEnv,
+ &d->hDbc);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ qSqlWarning(QLatin1String("QODBCDriver::open: Unable to allocate connection"), d);
+ setOpenError(true);
+ return false;
+ }
+
+ if (!d->setConnectionOptions(connOpts))
+ return false;
+
+ // Create the connection string
+ QString connQStr;
+ // support the "DRIVER={SQL SERVER};SERVER=blah" syntax
+ if (db.contains(QLatin1String(".dsn"), Qt::CaseInsensitive))
+ connQStr = QLatin1String("FILEDSN=") + db;
+ else if (db.contains(QLatin1String("DRIVER="), Qt::CaseInsensitive)
+ || db.contains(QLatin1String("SERVER="), Qt::CaseInsensitive))
+ connQStr = db;
+ else
+ connQStr = QLatin1String("DSN=") + db;
+
+ if (!user.isEmpty())
+ connQStr += QLatin1String(";UID=") + user;
+ if (!password.isEmpty())
+ connQStr += QLatin1String(";PWD=") + password;
+
+ SQLSMALLINT cb;
+ SQLTCHAR connOut[1024];
+ r = SQLDriverConnect(d->hDbc,
+ NULL,
+#ifdef UNICODE
+ (SQLWCHAR*)connQStr.unicode(),
+#else
+ (SQLCHAR*)connQStr.toLatin1().constData(),
+#endif
+ (SQLSMALLINT)connQStr.length(),
+ connOut,
+ 1024,
+ &cb,
+ SQL_DRIVER_NOPROMPT);
+ if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+ setLastError(qMakeError(tr("Unable to connect"), QSqlError::ConnectionError, d));
+ setOpenError(true);
+ return false;
+ }
+
+ if (!d->checkDriver()) {
+ setLastError(qMakeError(tr("Unable to connect - Driver doesn't support all "
+ "functionality required"), QSqlError::ConnectionError, d));
+ setOpenError(true);
+ return false;
+ }
+
+ d->checkUnicode();
+ d->checkSchemaUsage();
+ d->checkSqlServer();
+ d->checkHasSQLFetchScroll();
+ d->checkHasMultiResults();
+ setOpen(true);
+ setOpenError(false);
+ if(d->isMSSqlServer) {
+ QSqlQuery i(createResult());
+ i.exec(QLatin1String("SET QUOTED_IDENTIFIER ON"));
+ }
+ return true;
+}
+
+void QODBCDriver::close()
+{
+ cleanup();
+ setOpen(false);
+ setOpenError(false);
+}
+
+void QODBCDriver::cleanup()
+{
+ SQLRETURN r;
+ if (!d)
+ return;
+
+ if(d->hDbc) {
+ // Open statements/descriptors handles are automatically cleaned up by SQLDisconnect
+ if (isOpen()) {
+ r = SQLDisconnect(d->hDbc);
+ if (r != SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver::disconnect: Unable to disconnect datasource"), d);
+ else
+ d->disconnectCount++;
+ }
+
+ r = SQLFreeHandle(SQL_HANDLE_DBC, d->hDbc);
+ if (r != SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver::cleanup: Unable to free connection handle"), d);
+ d->hDbc = 0;
+ }
+
+ if (d->hEnv) {
+ r = SQLFreeHandle(SQL_HANDLE_ENV, d->hEnv);
+ if (r != SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver::cleanup: Unable to free environment handle"), d);
+ d->hEnv = 0;
+ }
+}
+
+// checks whether the server can return char, varchar and longvarchar
+// as two byte unicode characters
+void QODBCDriverPrivate::checkUnicode()
+{
+#if defined(Q_ODBC_VERSION_2)
+ unicode = false;
+ return;
+#endif
+
+ SQLRETURN r;
+ SQLUINTEGER fFunc;
+
+ unicode = false;
+ r = SQLGetInfo(hDbc,
+ SQL_CONVERT_CHAR,
+ (SQLPOINTER)&fFunc,
+ sizeof(fFunc),
+ NULL);
+ if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && (fFunc & SQL_CVT_WCHAR)) {
+ unicode = true;
+ }
+
+ r = SQLGetInfo(hDbc,
+ SQL_CONVERT_VARCHAR,
+ (SQLPOINTER)&fFunc,
+ sizeof(fFunc),
+ NULL);
+ if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && (fFunc & SQL_CVT_WVARCHAR)) {
+ unicode = true;
+ }
+
+ r = SQLGetInfo(hDbc,
+ SQL_CONVERT_LONGVARCHAR,
+ (SQLPOINTER)&fFunc,
+ sizeof(fFunc),
+ NULL);
+ if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && (fFunc & SQL_CVT_WLONGVARCHAR)) {
+ unicode = true;
+ }
+}
+
+bool QODBCDriverPrivate::checkDriver() const
+{
+#ifdef ODBC_CHECK_DRIVER
+ static const SQLUSMALLINT reqFunc[] = {
+ SQL_API_SQLDESCRIBECOL, SQL_API_SQLGETDATA, SQL_API_SQLCOLUMNS,
+ SQL_API_SQLGETSTMTATTR, SQL_API_SQLGETDIAGREC, SQL_API_SQLEXECDIRECT,
+ SQL_API_SQLGETINFO, SQL_API_SQLTABLES, 0
+ };
+
+ // these functions are optional
+ static const SQLUSMALLINT optFunc[] = {
+ SQL_API_SQLNUMRESULTCOLS, SQL_API_SQLROWCOUNT, 0
+ };
+
+ SQLRETURN r;
+ SQLUSMALLINT sup;
+
+ int i;
+ // check the required functions
+ for (i = 0; reqFunc[i] != 0; ++i) {
+
+ r = SQLGetFunctions(hDbc, reqFunc[i], &sup);
+
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCDriver::checkDriver: Cannot get list of supported functions"), this);
+ return false;
+ }
+ if (sup == SQL_FALSE) {
+ qWarning () << "QODBCDriver::open: Warning - Driver doesn't support all needed functionality (" << reqFunc[i] <<
+ ").\nPlease look at the Qt SQL Module Driver documentation for more information.";
+ return false;
+ }
+ }
+
+ // these functions are optional and just generate a warning
+ for (i = 0; optFunc[i] != 0; ++i) {
+
+ r = SQLGetFunctions(hDbc, optFunc[i], &sup);
+
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCDriver::checkDriver: Cannot get list of supported functions"), this);
+ return false;
+ }
+ if (sup == SQL_FALSE) {
+ qWarning() << "QODBCDriver::checkDriver: Warning - Driver doesn't support some non-critical functions (" << optFunc[i] << ')';
+ return true;
+ }
+ }
+#endif //ODBC_CHECK_DRIVER
+
+ return true;
+}
+
+void QODBCDriverPrivate::checkSchemaUsage()
+{
+ SQLRETURN r;
+ SQLUINTEGER val;
+
+ r = SQLGetInfo(hDbc,
+ SQL_SCHEMA_USAGE,
+ (SQLPOINTER) &val,
+ sizeof(val),
+ NULL);
+ if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO)
+ useSchema = (val != 0);
+}
+
+void QODBCDriverPrivate::checkSqlServer()
+{
+ SQLRETURN r;
+ char serverString[200];
+ SQLSMALLINT t;
+
+ r = SQLGetInfo(hDbc,
+ SQL_DBMS_NAME,
+ serverString,
+ sizeof(serverString),
+ &t);
+ if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) {
+ QString serverType;
+#ifdef UNICODE
+ serverType = QString(reinterpret_cast<const QChar*>(serverString), t/sizeof(QChar));
+#else
+ serverType = QString::fromLocal8Bit(serverString, t);
+#endif
+ isMySqlServer = serverType.contains(QLatin1String("mysql"), Qt::CaseInsensitive);
+ isMSSqlServer = serverType.contains(QLatin1String("Microsoft SQL Server"), Qt::CaseInsensitive);
+ }
+}
+
+void QODBCDriverPrivate::checkHasSQLFetchScroll()
+{
+ SQLUSMALLINT sup;
+ SQLRETURN r = SQLGetFunctions(hDbc, SQL_API_SQLFETCHSCROLL, &sup);
+ if ((r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) || sup != SQL_TRUE) {
+ hasSQLFetchScroll = false;
+ qWarning() << "QODBCDriver::checkHasSQLFetchScroll: Warning - Driver doesn't support scrollable result sets, use forward only mode for queries";
+ }
+}
+
+void QODBCDriverPrivate::checkHasMultiResults()
+{
+ char driverResponse[4];
+ SQLSMALLINT length;
+ SQLRETURN r = SQLGetInfo(hDbc,
+ SQL_MULT_RESULT_SETS,
+ driverResponse,
+ sizeof(driverResponse),
+ &length);
+ if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO)
+#ifdef UNICODE
+ hasMultiResultSets = QString(reinterpret_cast<const QChar*>(driverResponse), length/sizeof(QChar)).startsWith(QLatin1Char('Y'));
+#else
+ hasMultiResultSets = QString::fromLocal8Bit(driverResponse, length).startsWith(QLatin1Char('Y'));
+#endif
+}
+
+QSqlResult *QODBCDriver::createResult() const
+{
+ return new QODBCResult(this, d);
+}
+
+bool QODBCDriver::beginTransaction()
+{
+ if (!isOpen()) {
+ qWarning() << "QODBCDriver::beginTransaction: Database not open";
+ return false;
+ }
+ SQLUINTEGER ac(SQL_AUTOCOMMIT_OFF);
+ SQLRETURN r = SQLSetConnectAttr(d->hDbc,
+ SQL_ATTR_AUTOCOMMIT,
+ (SQLPOINTER)ac,
+ sizeof(ac));
+ if (r != SQL_SUCCESS) {
+ setLastError(qMakeError(tr("Unable to disable autocommit"),
+ QSqlError::TransactionError, d));
+ return false;
+ }
+ return true;
+}
+
+bool QODBCDriver::commitTransaction()
+{
+ if (!isOpen()) {
+ qWarning() << "QODBCDriver::commitTransaction: Database not open";
+ return false;
+ }
+ SQLRETURN r = SQLEndTran(SQL_HANDLE_DBC,
+ d->hDbc,
+ SQL_COMMIT);
+ if (r != SQL_SUCCESS) {
+ setLastError(qMakeError(tr("Unable to commit transaction"),
+ QSqlError::TransactionError, d));
+ return false;
+ }
+ return endTrans();
+}
+
+bool QODBCDriver::rollbackTransaction()
+{
+ if (!isOpen()) {
+ qWarning() << "QODBCDriver::rollbackTransaction: Database not open";
+ return false;
+ }
+ SQLRETURN r = SQLEndTran(SQL_HANDLE_DBC,
+ d->hDbc,
+ SQL_ROLLBACK);
+ if (r != SQL_SUCCESS) {
+ setLastError(qMakeError(tr("Unable to rollback transaction"),
+ QSqlError::TransactionError, d));
+ return false;
+ }
+ return endTrans();
+}
+
+bool QODBCDriver::endTrans()
+{
+ SQLUINTEGER ac(SQL_AUTOCOMMIT_ON);
+ SQLRETURN r = SQLSetConnectAttr(d->hDbc,
+ SQL_ATTR_AUTOCOMMIT,
+ (SQLPOINTER)ac,
+ sizeof(ac));
+ if (r != SQL_SUCCESS) {
+ setLastError(qMakeError(tr("Unable to enable autocommit"), QSqlError::TransactionError, d));
+ return false;
+ }
+ return true;
+}
+
+QStringList QODBCDriver::tables(QSql::TableType type) const
+{
+ QStringList tl;
+ if (!isOpen())
+ return tl;
+ SQLHANDLE hStmt;
+
+ SQLRETURN r = SQLAllocHandle(SQL_HANDLE_STMT,
+ d->hDbc,
+ &hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCDriver::tables: Unable to allocate handle"), d);
+ return tl;
+ }
+ r = SQLSetStmtAttr(hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY,
+ SQL_IS_UINTEGER);
+ QStringList tableType;
+ if (type & QSql::Tables)
+ tableType += QLatin1String("TABLE");
+ if (type & QSql::Views)
+ tableType += QLatin1String("VIEW");
+ if (type & QSql::SystemTables)
+ tableType += QLatin1String("SYSTEM TABLE");
+ if (tableType.isEmpty())
+ return tl;
+
+ QString joinedTableTypeString = tableType.join(QLatin1String(","));
+
+ r = SQLTables(hStmt,
+ NULL,
+ 0,
+ NULL,
+ 0,
+ NULL,
+ 0,
+#ifdef UNICODE
+ (SQLWCHAR*)joinedTableTypeString.unicode(),
+#else
+ (SQLCHAR*)joinedTableTypeString.toLatin1().constData(),
+#endif
+ joinedTableTypeString.length() /* characters, not bytes */);
+
+ if (r != SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver::tables Unable to execute table list"), d);
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(hStmt);
+
+ while (r == SQL_SUCCESS) {
+ QString fieldVal = qGetStringData(hStmt, 2, -1, false);
+ tl.append(fieldVal);
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(hStmt);
+ }
+
+ r = SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
+ if (r!= SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver: Unable to free statement handle") + QString::number(r), d);
+ return tl;
+}
+
+QSqlIndex QODBCDriver::primaryIndex(const QString& tablename) const
+{
+ QSqlIndex index(tablename);
+ if (!isOpen())
+ return index;
+ bool usingSpecialColumns = false;
+ QSqlRecord rec = record(tablename);
+
+ SQLHANDLE hStmt;
+ SQLRETURN r = SQLAllocHandle(SQL_HANDLE_STMT,
+ d->hDbc,
+ &hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCDriver::primaryIndex: Unable to list primary key"), d);
+ return index;
+ }
+ QString catalog, schema, table;
+ d->splitTableQualifier(tablename, catalog, schema, table);
+
+ if (isIdentifierEscaped(catalog, QSqlDriver::TableName))
+ catalog = stripDelimiters(catalog, QSqlDriver::TableName);
+ else
+ catalog = d->adjustCase(catalog);
+
+ if (isIdentifierEscaped(schema, QSqlDriver::TableName))
+ schema = stripDelimiters(schema, QSqlDriver::TableName);
+ else
+ schema = d->adjustCase(schema);
+
+ if (isIdentifierEscaped(table, QSqlDriver::TableName))
+ table = stripDelimiters(table, QSqlDriver::TableName);
+ else
+ table = d->adjustCase(table);
+
+ r = SQLSetStmtAttr(hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY,
+ SQL_IS_UINTEGER);
+ r = SQLPrimaryKeys(hStmt,
+#ifdef UNICODE
+ catalog.length() == 0 ? NULL : (SQLWCHAR*)catalog.unicode(),
+#else
+ catalog.length() == 0 ? NULL : (SQLCHAR*)catalog.toLatin1().constData(),
+#endif
+ catalog.length(),
+#ifdef UNICODE
+ schema.length() == 0 ? NULL : (SQLWCHAR*)schema.unicode(),
+#else
+ schema.length() == 0 ? NULL : (SQLCHAR*)schema.toLatin1().constData(),
+#endif
+ schema.length(),
+#ifdef UNICODE
+ (SQLWCHAR*)table.unicode(),
+#else
+ (SQLCHAR*)table.toLatin1().constData(),
+#endif
+ table.length() /* in characters, not in bytes */);
+
+ // if the SQLPrimaryKeys() call does not succeed (e.g the driver
+ // does not support it) - try an alternative method to get hold of
+ // the primary index (e.g MS Access and FoxPro)
+ if (r != SQL_SUCCESS) {
+ r = SQLSpecialColumns(hStmt,
+ SQL_BEST_ROWID,
+#ifdef UNICODE
+ catalog.length() == 0 ? NULL : (SQLWCHAR*)catalog.unicode(),
+#else
+ catalog.length() == 0 ? NULL : (SQLCHAR*)catalog.toLatin1().constData(),
+#endif
+ catalog.length(),
+#ifdef UNICODE
+ schema.length() == 0 ? NULL : (SQLWCHAR*)schema.unicode(),
+#else
+ schema.length() == 0 ? NULL : (SQLCHAR*)schema.toLatin1().constData(),
+#endif
+ schema.length(),
+#ifdef UNICODE
+ (SQLWCHAR*)table.unicode(),
+#else
+ (SQLCHAR*)table.toLatin1().constData(),
+#endif
+ table.length(),
+ SQL_SCOPE_CURROW,
+ SQL_NULLABLE);
+
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCDriver::primaryIndex: Unable to execute primary key list"), d);
+ } else {
+ usingSpecialColumns = true;
+ }
+ }
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(hStmt);
+
+ int fakeId = 0;
+ QString cName, idxName;
+ // Store all fields in a StringList because some drivers can't detail fields in this FETCH loop
+ while (r == SQL_SUCCESS) {
+ if (usingSpecialColumns) {
+ cName = qGetStringData(hStmt, 1, -1, d->unicode); // column name
+ idxName = QString::number(fakeId++); // invent a fake index name
+ } else {
+ cName = qGetStringData(hStmt, 3, -1, d->unicode); // column name
+ idxName = qGetStringData(hStmt, 5, -1, d->unicode); // pk index name
+ }
+ index.append(rec.field(cName));
+ index.setName(idxName);
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(hStmt);
+
+ }
+ r = SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
+ if (r!= SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver: Unable to free statement handle") + QString::number(r), d);
+ return index;
+}
+
+QSqlRecord QODBCDriver::record(const QString& tablename) const
+{
+ QSqlRecord fil;
+ if (!isOpen())
+ return fil;
+
+ SQLHANDLE hStmt;
+ QString catalog, schema, table;
+ d->splitTableQualifier(tablename, catalog, schema, table);
+
+ if (isIdentifierEscaped(catalog, QSqlDriver::TableName))
+ catalog = stripDelimiters(catalog, QSqlDriver::TableName);
+ else
+ catalog = d->adjustCase(catalog);
+
+ if (isIdentifierEscaped(schema, QSqlDriver::TableName))
+ schema = stripDelimiters(schema, QSqlDriver::TableName);
+ else
+ schema = d->adjustCase(schema);
+
+ if (isIdentifierEscaped(table, QSqlDriver::TableName))
+ table = stripDelimiters(table, QSqlDriver::TableName);
+ else
+ table = d->adjustCase(table);
+
+ SQLRETURN r = SQLAllocHandle(SQL_HANDLE_STMT,
+ d->hDbc,
+ &hStmt);
+ if (r != SQL_SUCCESS) {
+ qSqlWarning(QLatin1String("QODBCDriver::record: Unable to allocate handle"), d);
+ return fil;
+ }
+ r = SQLSetStmtAttr(hStmt,
+ SQL_ATTR_CURSOR_TYPE,
+ (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY,
+ SQL_IS_UINTEGER);
+ r = SQLColumns(hStmt,
+#ifdef UNICODE
+ catalog.length() == 0 ? NULL : (SQLWCHAR*)catalog.unicode(),
+#else
+ catalog.length() == 0 ? NULL : (SQLCHAR*)catalog.toLatin1().constData(),
+#endif
+ catalog.length(),
+#ifdef UNICODE
+ schema.length() == 0 ? NULL : (SQLWCHAR*)schema.unicode(),
+#else
+ schema.length() == 0 ? NULL : (SQLCHAR*)schema.toLatin1().constData(),
+#endif
+ schema.length(),
+#ifdef UNICODE
+ (SQLWCHAR*)table.unicode(),
+#else
+ (SQLCHAR*)table.toLatin1().constData(),
+#endif
+ table.length(),
+ NULL,
+ 0);
+ if (r != SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver::record: Unable to execute column list"), d);
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(hStmt);
+
+ // Store all fields in a StringList because some drivers can't detail fields in this FETCH loop
+ while (r == SQL_SUCCESS) {
+
+ fil.append(qMakeFieldInfo(hStmt, d));
+
+ if (d->hasSQLFetchScroll)
+ r = SQLFetchScroll(hStmt,
+ SQL_FETCH_NEXT,
+ 0);
+ else
+ r = SQLFetch(hStmt);
+ }
+
+ r = SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
+ if (r!= SQL_SUCCESS)
+ qSqlWarning(QLatin1String("QODBCDriver: Unable to free statement handle ") + QString::number(r), d);
+
+ return fil;
+}
+
+QString QODBCDriver::formatValue(const QSqlField &field,
+ bool trimStrings) const
+{
+ QString r;
+ if (field.isNull()) {
+ r = QLatin1String("NULL");
+ } else if (field.type() == QVariant::DateTime) {
+ // Use an escape sequence for the datetime fields
+ if (field.value().toDateTime().isValid()){
+ QDate dt = field.value().toDateTime().date();
+ QTime tm = field.value().toDateTime().time();
+ // Dateformat has to be "yyyy-MM-dd hh:mm:ss", with leading zeroes if month or day < 10
+ r = QLatin1String("{ ts '") +
+ QString::number(dt.year()) + QLatin1Char('-') +
+ QString::number(dt.month()).rightJustified(2, QLatin1Char('0'), true) +
+ QLatin1Char('-') +
+ QString::number(dt.day()).rightJustified(2, QLatin1Char('0'), true) +
+ QLatin1Char(' ') +
+ tm.toString() +
+ QLatin1String("' }");
+ } else
+ r = QLatin1String("NULL");
+ } else if (field.type() == QVariant::ByteArray) {
+ QByteArray ba = field.value().toByteArray();
+ QString res;
+ static const char hexchars[] = "0123456789abcdef";
+ for (int i = 0; i < ba.size(); ++i) {
+ uchar s = (uchar) ba[i];
+ res += QLatin1Char(hexchars[s >> 4]);
+ res += QLatin1Char(hexchars[s & 0x0f]);
+ }
+ r = QLatin1String("0x") + res;
+ } else {
+ r = QSqlDriver::formatValue(field, trimStrings);
+ }
+ return r;
+}
+
+QVariant QODBCDriver::handle() const
+{
+ return QVariant(qRegisterMetaType<SQLHANDLE>("SQLHANDLE"), &d->hDbc);
+}
+
+QString QODBCDriver::escapeIdentifier(const QString &identifier, IdentifierType) const
+{
+ QChar quote = d->quoteChar();
+ QString res = identifier;
+ if(!identifier.isEmpty() && !identifier.startsWith(quote) && !identifier.endsWith(quote) ) {
+ res.replace(quote, QString(quote)+QString(quote));
+ res.prepend(quote).append(quote);
+ res.replace(QLatin1Char('.'), QString(quote)+QLatin1Char('.')+QString(quote));
+ }
+ return res;
+}
+
+bool QODBCDriver::isIdentifierEscapedImplementation(const QString &identifier, IdentifierType) const
+{
+ QChar quote = d->quoteChar();
+ return identifier.size() > 2
+ && identifier.startsWith(quote) //left delimited
+ && identifier.endsWith(quote); //right delimited
+}
+
+QT_END_NAMESPACE