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libreoffice/connectivity/source/drivers/mysqlc/mysqlc_statement.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

388 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include "mysqlc_connection.hxx"
#include "mysqlc_propertyids.hxx"
#include "mysqlc_resultset.hxx"
#include "mysqlc_statement.hxx"
#include "mysqlc_general.hxx"
#include <cppuhelper/typeprovider.hxx>
#include <cppuhelper/supportsservice.hxx>
using namespace connectivity::mysqlc;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::container;
using namespace com::sun::star::util;
using ::osl::MutexGuard;
OCommonStatement::OCommonStatement(OConnection* _pConnection)
: OCommonStatement_IBase(m_aMutex)
, OPropertySetHelper(OCommonStatement_IBase::rBHelper)
, m_xConnection(_pConnection)
{
}
OCommonStatement::~OCommonStatement() {}
void OCommonStatement::closeResultSet()
{
if (m_xResultSet.is())
{
m_xResultSet->close();
m_xResultSet.clear();
}
}
void OCommonStatement::disposing()
{
MutexGuard aGuard(m_aMutex);
m_xConnection.clear();
OCommonStatement_IBase::disposing();
}
Any SAL_CALL OCommonStatement::queryInterface(const Type& rType)
{
Any aRet = OCommonStatement_IBase::queryInterface(rType);
if (!aRet.hasValue())
{
aRet = OPropertySetHelper::queryInterface(rType);
}
return aRet;
}
Sequence<Type> SAL_CALL OCommonStatement::getTypes()
{
::cppu::OTypeCollection aTypes(cppu::UnoType<XMultiPropertySet>::get(),
cppu::UnoType<XFastPropertySet>::get(),
cppu::UnoType<XPropertySet>::get());
return concatSequences(aTypes.getTypes(), OCommonStatement_IBase::getTypes());
}
Sequence<Type> SAL_CALL OStatement::getTypes()
{
return concatSequences(OStatement_BASE::getTypes(), OCommonStatement::getTypes());
}
void SAL_CALL OCommonStatement::cancel()
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
// cancel the current sql statement
}
void SAL_CALL OCommonStatement::close()
{
/*
We need a block for the checkDisposed call.
After the check we can call dispose() as we are not under lock ??
*/
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
}
dispose();
closeResultSet();
}
// void SAL_CALL OStatement::clearBatch()
// {
// mysqlc_sdbc_driver::throwFeatureNotImplementedException("com:sun:star:sdbc:XBatchExecution");
// }
sal_Bool SAL_CALL OStatement::execute(const OUString& sql)
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
closeResultSet();
m_nAffectedRows = -1;
OString toExec = OUStringToOString(sql, m_xConnection->getConnectionSettings().encoding);
MYSQL* pMySql = m_xConnection->getMysqlConnection();
// NOTE: differs from MySQL C API, where mysql_real_escape_string_quote()
// should be used.
// toExec = mysqlc_sdbc_driver::escapeSql(toExec);
int failure = mysql_real_query(pMySql, toExec.getStr(), toExec.getLength());
if (failure || mysql_errno(pMySql))
mysqlc_sdbc_driver::throwSQLExceptionWithMsg(mysql_error(pMySql), mysql_sqlstate(pMySql),
mysql_errno(pMySql), *this,
m_xConnection->getConnectionEncoding());
return getResult();
}
Reference<XResultSet> SAL_CALL OStatement::executeQuery(const OUString& sql)
{
bool isRS(execute(sql));
// if a MySQL error occurred, it was already thrown and the below is not executed
assert(isRS == m_xResultSet.is());
if (!isRS)
mysqlc_sdbc_driver::throwSQLExceptionWithMsg(
u"executeQuery called on SQL command that does not return a ResultSet"_ustr, "02000", 0,
*this);
if (!m_xResultSet.is())
mysqlc_sdbc_driver::throwSQLExceptionWithMsg(
u"internal MySQL-SDBC error: executeQuery: no ResultSet after execute() returned true."_ustr,
"02000", 0, *this);
return m_xResultSet;
}
Reference<XConnection> SAL_CALL OStatement::getConnection()
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
// just return our connection here
return m_xConnection;
}
sal_Int32 SAL_CALL OStatement::getUpdateCount() { return m_nAffectedRows; }
Any SAL_CALL OStatement::queryInterface(const Type& rType)
{
Any aRet = OCommonStatement::queryInterface(rType);
if (!aRet.hasValue())
{
aRet = OStatement_BASE::queryInterface(rType);
}
return aRet;
}
// void SAL_CALL OStatement::addBatch(const OUString&)
// {
// MutexGuard aGuard(m_aMutex);
// checkDisposed(rBHelper.bDisposed);
// mysqlc_sdbc_driver::throwFeatureNotImplementedException("com:sun:star:sdbc:XBatchExecution");
// }
// Sequence<sal_Int32> SAL_CALL OStatement::executeBatch()
// {
// MutexGuard aGuard(m_aMutex);
// checkDisposed(rBHelper.bDisposed);
// mysqlc_sdbc_driver::throwFeatureNotImplementedException("com:sun:star:sdbc:XBatchExecution");
// }
sal_Int32 SAL_CALL OStatement::executeUpdate(const OUString& sql)
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
execute(sql);
return m_nAffectedRows;
}
Reference<XResultSet> SAL_CALL OStatement::getResultSet()
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
return m_xResultSet;
}
bool OStatement::getResult()
{
// all callers already reset that
assert(!m_xResultSet.is());
assert(m_nAffectedRows == -1);
MYSQL* pMySql = m_xConnection->getMysqlConnection();
MYSQL_RES* pMysqlResult = mysql_store_result(pMySql);
if (pMysqlResult != nullptr)
{
// MariaDB/MySQL will return the number of rows in the ResultSet from mysql_affected_rows();
// sdbc mandates -1 when the command (query) returns a ResultSet
assert(m_nAffectedRows == -1);
m_xResultSet = new OResultSet(*getOwnConnection(), this, pMysqlResult,
m_xConnection->getConnectionEncoding());
return true;
}
else if (mysql_field_count(pMySql) == 0)
{
m_nAffectedRows = mysql_affected_rows(pMySql);
return false;
}
else
{
mysqlc_sdbc_driver::throwSQLExceptionWithMsg(
u"mysql_store_result indicated success and SQL command was supposed to return a "
"ResultSet, but did not."_ustr,
"02000", 0, *this);
}
//unreachable
assert(false);
// keep -Werror=return-type happy
return false;
}
sal_Bool SAL_CALL OStatement::getMoreResults()
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
closeResultSet();
m_nAffectedRows = -1;
MYSQL* pMySql = m_xConnection->getMysqlConnection();
int status = mysql_next_result(pMySql);
if (status > 0 || mysql_errno(pMySql))
mysqlc_sdbc_driver::throwSQLExceptionWithMsg(mysql_error(pMySql), mysql_sqlstate(pMySql),
mysql_errno(pMySql), *this,
m_xConnection->getConnectionEncoding());
if (status == -1)
return false;
if (status != 0)
{
const OUString errMsg("mysql_next_result returned unexpected value: "
+ OUString::number(status));
mysqlc_sdbc_driver::throwSQLExceptionWithMsg(errMsg, "02000", 0, *this);
}
return getResult();
}
Any SAL_CALL OCommonStatement::getWarnings()
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
return Any(m_aLastWarning);
}
void SAL_CALL OCommonStatement::clearWarnings()
{
MutexGuard aGuard(m_aMutex);
checkDisposed(rBHelper.bDisposed);
m_aLastWarning = SQLWarning();
}
::cppu::IPropertyArrayHelper* OCommonStatement::createArrayHelper() const
{
// this properties are define by the service statement
// they must in alphabetic order
return new ::cppu::OPropertyArrayHelper{
{ { u"CursorName"_ustr, PROPERTY_ID_CURSORNAME, cppu::UnoType<OUString>::get(), 0 },
{ u"EscapeProcessing"_ustr, PROPERTY_ID_ESCAPEPROCESSING, cppu::UnoType<bool>::get(), 0 },
{ u"FetchDirection"_ustr, PROPERTY_ID_FETCHDIRECTION, cppu::UnoType<sal_Int32>::get(),
0 },
{ u"FetchSize"_ustr, PROPERTY_ID_FETCHSIZE, cppu::UnoType<sal_Int32>::get(), 0 },
{ u"MaxFieldSize"_ustr, PROPERTY_ID_MAXFIELDSIZE, cppu::UnoType<sal_Int32>::get(), 0 },
{ u"MaxRows"_ustr, PROPERTY_ID_MAXROWS, cppu::UnoType<sal_Int32>::get(), 0 },
{ u"QueryTimeOut"_ustr, PROPERTY_ID_QUERYTIMEOUT, cppu::UnoType<sal_Int32>::get(), 0 },
{ u"ResultSetConcurrency"_ustr, PROPERTY_ID_RESULTSETCONCURRENCY,
cppu::UnoType<sal_Int32>::get(), 0 },
{ u"ResultSetType"_ustr, PROPERTY_ID_RESULTSETTYPE, cppu::UnoType<sal_Int32>::get(), 0 },
{ u"UseBookmarks"_ustr, PROPERTY_ID_USEBOOKMARKS, cppu::UnoType<bool>::get(), 0 } }
};
}
::cppu::IPropertyArrayHelper& OCommonStatement::getInfoHelper() { return *getArrayHelper(); }
sal_Bool OCommonStatement::convertFastPropertyValue(Any& /* rConvertedValue */,
Any& /* rOldValue */, sal_Int32 /* nHandle */,
const Any& /* rValue */)
{
// here we have to try to convert
return false;
}
void OCommonStatement::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle, const Any& /* rValue */)
{
// set the value to whatever is necessary
switch (nHandle)
{
case PROPERTY_ID_QUERYTIMEOUT:
case PROPERTY_ID_MAXFIELDSIZE:
case PROPERTY_ID_MAXROWS:
case PROPERTY_ID_CURSORNAME:
case PROPERTY_ID_RESULTSETCONCURRENCY:
case PROPERTY_ID_RESULTSETTYPE:
case PROPERTY_ID_FETCHDIRECTION:
case PROPERTY_ID_FETCHSIZE:
case PROPERTY_ID_ESCAPEPROCESSING:
case PROPERTY_ID_USEBOOKMARKS:
default:;
}
}
void OCommonStatement::getFastPropertyValue(Any& _rValue, sal_Int32 nHandle) const
{
switch (nHandle)
{
case PROPERTY_ID_QUERYTIMEOUT:
case PROPERTY_ID_MAXFIELDSIZE:
case PROPERTY_ID_MAXROWS:
case PROPERTY_ID_CURSORNAME:
case PROPERTY_ID_RESULTSETCONCURRENCY:
case PROPERTY_ID_RESULTSETTYPE:
case PROPERTY_ID_FETCHDIRECTION:
case PROPERTY_ID_FETCHSIZE:
case PROPERTY_ID_ESCAPEPROCESSING:
break;
case PROPERTY_ID_USEBOOKMARKS:
_rValue <<= false;
break;
default:;
}
}
OUString OStatement::getImplementationName() { return u"com.sun.star.sdbcx.OStatement"_ustr; }
css::uno::Sequence<OUString> OStatement::getSupportedServiceNames()
{
return { u"com.sun.star.sdbc.Statement"_ustr };
}
sal_Bool OStatement::supportsService(OUString const& ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
void SAL_CALL OCommonStatement::acquire() noexcept { OCommonStatement_IBase::acquire(); }
void SAL_CALL OCommonStatement::release() noexcept { OCommonStatement_IBase::release(); }
void SAL_CALL OStatement::acquire() noexcept { OCommonStatement::acquire(); }
void SAL_CALL OStatement::release() noexcept { OCommonStatement::release(); }
Reference<css::beans::XPropertySetInfo> SAL_CALL OCommonStatement::getPropertySetInfo()
{
return ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */