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330 | /* -*- 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 <mysql/YTable.hxx>
#include <mysql/YTables.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/sdbcx/Privilege.hpp>
#include <comphelper/property.hxx>
#include <comphelper/servicehelper.hxx>
#include <comphelper/types.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/sdbcx/VColumn.hxx>
#include <connectivity/TKeys.hxx>
#include <connectivity/TIndexes.hxx>
#include <mysql/YColumns.hxx>
#include <TConnection.hxx>
using namespace ::comphelper;
using namespace connectivity::mysql;
using namespace connectivity::sdbcx;
using namespace connectivity;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
namespace connectivity::mysql
{
namespace
{
class OMySQLKeysHelper : public OKeysHelper
{
protected:
virtual OUString getDropForeignKey() const override { return " DROP FOREIGN KEY "; }
public:
OMySQLKeysHelper(OTableHelper* _pTable, ::osl::Mutex& _rMutex,
const ::std::vector<OUString>& _rVector)
: OKeysHelper(_pTable, _rMutex, _rVector)
{
}
};
}
}
OMySQLTable::OMySQLTable(sdbcx::OCollection* _pTables, const Reference<XConnection>& _xConnection)
: OTableHelper(_pTables, _xConnection, true)
{
// we create a new table here, so we should have all the rights or ;-)
m_nPrivileges = Privilege::DROP | Privilege::REFERENCE | Privilege::ALTER | Privilege::CREATE
| Privilege::READ | Privilege::DELETE | Privilege::UPDATE | Privilege::INSERT
| Privilege::SELECT;
construct();
}
OMySQLTable::OMySQLTable(sdbcx::OCollection* _pTables, const Reference<XConnection>& _xConnection,
const OUString& Name, const OUString& Type, const OUString& Description,
const OUString& SchemaName, const OUString& CatalogName,
sal_Int32 _nPrivileges)
: OTableHelper(_pTables, _xConnection, true, Name, Type, Description, SchemaName, CatalogName)
, m_nPrivileges(_nPrivileges)
{
construct();
}
void OMySQLTable::construct()
{
OTableHelper::construct();
if (!isNew())
registerProperty(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRIVILEGES),
PROPERTY_ID_PRIVILEGES, PropertyAttribute::READONLY, &m_nPrivileges,
cppu::UnoType<decltype(m_nPrivileges)>::get());
}
::cppu::IPropertyArrayHelper* OMySQLTable::createArrayHelper(sal_Int32 /*_nId*/) const
{
return doCreateArrayHelper();
}
::cppu::IPropertyArrayHelper& OMySQLTable::getInfoHelper()
{
return *static_cast<OMySQLTable_PROP*>(this)->getArrayHelper(isNew() ? 1 : 0);
}
sdbcx::OCollection* OMySQLTable::createColumns(const ::std::vector<OUString>& _rNames)
{
OMySQLColumns* pColumns = new OMySQLColumns(*this, m_aMutex, _rNames);
pColumns->setParent(this);
return pColumns;
}
sdbcx::OCollection* OMySQLTable::createKeys(const ::std::vector<OUString>& _rNames)
{
return new OMySQLKeysHelper(this, m_aMutex, _rNames);
}
sdbcx::OCollection* OMySQLTable::createIndexes(const ::std::vector<OUString>& _rNames)
{
return new OIndexesHelper(this, m_aMutex, _rNames);
}
Sequence<sal_Int8> OMySQLTable::getUnoTunnelId()
{
static ::cppu::OImplementationId implId;
return implId.getImplementationId();
}
// css::lang::XUnoTunnel
sal_Int64 OMySQLTable::getSomething(const Sequence<sal_Int8>& rId)
{
return (isUnoTunnelId<OMySQLTable>(rId)) ? reinterpret_cast<sal_Int64>(this)
: OTable_TYPEDEF::getSomething(rId);
}
// XAlterTable
void SAL_CALL OMySQLTable::alterColumnByName(const OUString& colName,
const Reference<XPropertySet>& descriptor)
{
::osl::MutexGuard aGuard(m_aMutex);
checkDisposed(
#ifdef __GNUC__
::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper.bDisposed
#else
rBHelper.bDisposed
#endif
);
if (!m_xColumns || !m_xColumns->hasByName(colName))
throw NoSuchElementException(colName, *this);
if (!isNew())
{
// first we have to check what should be altered
Reference<XPropertySet> xProp;
m_xColumns->getByName(colName) >>= xProp;
// first check the types
sal_Int32 nOldType = 0, nNewType = 0, nOldPrec = 0, nNewPrec = 0, nOldScale = 0,
nNewScale = 0;
::dbtools::OPropertyMap& rProp = OMetaConnection::getPropMap();
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPE)) >>= nOldType;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPE)) >>= nNewType;
// and precisions and scale
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_PRECISION)) >>= nOldPrec;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_PRECISION)) >>= nNewPrec;
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_SCALE)) >>= nOldScale;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_SCALE)) >>= nNewScale;
// second: check the "is nullable" value
sal_Int32 nOldNullable = 0, nNewNullable = 0;
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISNULLABLE)) >>= nOldNullable;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISNULLABLE)) >>= nNewNullable;
// check also the auto_increment
bool bOldAutoIncrement = false, bAutoIncrement = false;<--- 'bAutoIncrement' is assigned value 'false' here.<--- 'bOldAutoIncrement' is assigned value 'false' here.<--- 'bAutoIncrement' is assigned value 'false' here.<--- 'bOldAutoIncrement' is assigned value 'false' here.
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT))
>>= bOldAutoIncrement;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT))
>>= bAutoIncrement;
bool bColumnNameChanged = false;
OUString sOldDesc, sNewDesc;
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DESCRIPTION)) >>= sOldDesc;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DESCRIPTION)) >>= sNewDesc;
if (nOldType != nNewType || nOldPrec != nNewPrec || nOldScale != nNewScale
|| nNewNullable != nOldNullable || bOldAutoIncrement != bAutoIncrement<--- The comparison 'bOldAutoIncrement != bAutoIncrement' is always false because 'bOldAutoIncrement' and 'bAutoIncrement' represent the same value. [+]Finding the same expression on both sides of an operator is suspicious and might indicate a cut and paste or logic error. Please examine this code carefully to determine if it is correct.
|| sOldDesc != sNewDesc)
{
// special handling because they changed the type names to distinguish
// if a column should be an auto_increment one
if (bOldAutoIncrement != bAutoIncrement)<--- Assuming that condition 'bOldAutoIncrement!=bAutoIncrement' is not redundant<--- The comparison 'bOldAutoIncrement != bAutoIncrement' is always false because 'bOldAutoIncrement' and 'bAutoIncrement' represent the same value. [+]Finding the same expression on both sides of an operator is suspicious and might indicate a cut and paste or logic error. Please examine this code carefully to determine if it is correct.
{
OUString sTypeName;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME))
>>= sTypeName;
static const char s_sAutoIncrement[] = "auto_increment";
if (bAutoIncrement)<--- Condition 'bAutoIncrement' is always true
{
if (sTypeName.indexOf(s_sAutoIncrement) == -1)
{
sTypeName += OUStringLiteral(" ") + s_sAutoIncrement;
descriptor->setPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME),
makeAny(sTypeName));
}
}
else
{
if (!sTypeName.isEmpty())
{
sal_Int32 nIndex = sTypeName.indexOf(s_sAutoIncrement);
if (nIndex != -1)
{
sTypeName = sTypeName.copy(0, nIndex);
descriptor->setPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME),
makeAny(sTypeName));
}
}
}
}
alterColumnType(nNewType, colName, descriptor);
bColumnNameChanged = true;
}
// third: check the default values
OUString sNewDefault, sOldDefault;
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE)) >>= sOldDefault;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE))
>>= sNewDefault;
if (!sOldDefault.isEmpty())
{
dropDefaultValue(colName);
if (!sNewDefault.isEmpty() && sOldDefault != sNewDefault)
alterDefaultValue(sNewDefault, colName);
}
else if (!sNewDefault.isEmpty())
alterDefaultValue(sNewDefault, colName);
// now we should look if the name of the column changed
OUString sNewColumnName;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_NAME)) >>= sNewColumnName;
if (!sNewColumnName.equalsIgnoreAsciiCase(colName) && !bColumnNameChanged)
{
const OUString sQuote = getMetaData()->getIdentifierQuoteString();
OUString sSql = getAlterTableColumnPart() + " CHANGE "
+ ::dbtools::quoteName(sQuote, colName) + " "
+ OTables::adjustSQL(::dbtools::createStandardColumnPart(
descriptor, getConnection(), static_cast<OTables*>(m_pTables),
getTypeCreatePattern()));
executeStatement(sSql);
}
m_xColumns->refresh();
}
else
{
if (m_xColumns)
{
m_xColumns->dropByName(colName);
m_xColumns->appendByDescriptor(descriptor);
}
}
}
void OMySQLTable::alterColumnType(sal_Int32 nNewType, const OUString& _rColName,
const Reference<XPropertySet>& _xDescriptor)
{
const OUString sQuote = getMetaData()->getIdentifierQuoteString();
OUString sSql
= getAlterTableColumnPart() + " CHANGE " + ::dbtools::quoteName(sQuote, _rColName) + " ";
OColumn* pColumn = new OColumn(true);
Reference<XPropertySet> xProp = pColumn;
::comphelper::copyProperties(_xDescriptor, xProp);
xProp->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE),
makeAny(nNewType));
sSql += OTables::adjustSQL(::dbtools::createStandardColumnPart(
xProp, getConnection(), static_cast<OTables*>(m_pTables), getTypeCreatePattern()));
executeStatement(sSql);
}
OUString OMySQLTable::getTypeCreatePattern() const { return "(M,D)"; }
void OMySQLTable::alterDefaultValue(const OUString& _sNewDefault, const OUString& _rColName)
{
const OUString sQuote = getMetaData()->getIdentifierQuoteString();
OUString sSql = getAlterTableColumnPart() + " ALTER " + ::dbtools::quoteName(sQuote, _rColName)
+ " SET DEFAULT '" + _sNewDefault + "'";
executeStatement(sSql);
}
void OMySQLTable::dropDefaultValue(const OUString& _rColName)
{
const OUString sQuote = getMetaData()->getIdentifierQuoteString();
OUString sSql = getAlterTableColumnPart() + " ALTER " + ::dbtools::quoteName(sQuote, _rColName)
+ " DROP DEFAULT";
executeStatement(sSql);
}
OUString OMySQLTable::getAlterTableColumnPart() const
{
OUString sSql("ALTER TABLE ");
OUString sComposedName(
::dbtools::composeTableName(getMetaData(), m_CatalogName, m_SchemaName, m_Name, true,
::dbtools::EComposeRule::InTableDefinitions));
sSql += sComposedName;
return sSql;
}
void OMySQLTable::executeStatement(const OUString& _rStatement)
{
OUString sSQL = _rStatement;
if (sSQL.endsWith(","))
sSQL = sSQL.replaceAt(sSQL.getLength() - 1, 1, ")");
Reference<XStatement> xStmt = getConnection()->createStatement();
if (xStmt.is())
{
xStmt->execute(sSQL);
::comphelper::disposeComponent(xStmt);
}
}
OUString OMySQLTable::getRenameStart() const { return "RENAME TABLE "; }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|