office-gobmx/connectivity/source/drivers/mysql/YTable.cxx
Rüdiger Timm adaf80a741 INTEGRATION: CWS dba30c (1.12.10); FILE MERGED
2008/05/08 12:55:51 oj 1.12.10.2: #i64472# use of create pattern
2008/05/06 11:43:10 oj 1.12.10.1: #i64472# change command can also change the name of a column
2008-06-06 12:23:34 +00:00

384 lines
16 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: YTable.cxx,v $
* $Revision: 1.13 $
*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "mysql/YTable.hxx"
#include "mysql/YTables.hxx"
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <com/sun/star/sdbc/KeyRule.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbcx/Privilege.hpp>
#include <comphelper/property.hxx>
#include <comphelper/extract.hxx>
#include <comphelper/types.hxx>
#include "connectivity/dbtools.hxx"
#include "connectivity/sdbcx/VColumn.hxx"
#include "connectivity/TKeys.hxx"
#include "connectivity/TIndexes.hxx"
#include "connectivity/TColumnsHelper.hxx"
#include "mysql/YCatalog.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
{
namespace mysql
{
class OMySQLKeysHelper : public OKeysHelper
{
protected:
// -----------------------------------------------------------------------------
virtual ::rtl::OUString getDropForeignKey() const
{
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" DROP FOREIGN KEY "));
}
public:
OMySQLKeysHelper( OTableHelper* _pTable,
::osl::Mutex& _rMutex,
const TStringVector& _rVector
) : OKeysHelper(_pTable,_rMutex,_rVector){}
};
}
}
OMySQLTable::OMySQLTable( sdbcx::OCollection* _pTables,
const Reference< XConnection >& _xConnection)
:OTableHelper(_pTables,_xConnection,sal_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 ::rtl::OUString& _Name,
const ::rtl::OUString& _Type,
const ::rtl::OUString& _Description ,
const ::rtl::OUString& _SchemaName,
const ::rtl::OUString& _CatalogName,
sal_Int32 _nPrivileges
) : OTableHelper( _pTables,
_xConnection,
sal_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, ::getCppuType(&m_nPrivileges));
}
// -----------------------------------------------------------------------------
::cppu::IPropertyArrayHelper* OMySQLTable::createArrayHelper( sal_Int32 /*_nId*/ ) const
{
return doCreateArrayHelper();
}
// -------------------------------------------------------------------------
::cppu::IPropertyArrayHelper & OMySQLTable::getInfoHelper()
{
return *static_cast<OMySQLTable_PROP*>(const_cast<OMySQLTable*>(this))->getArrayHelper(isNew() ? 1 : 0);
}
// -----------------------------------------------------------------------------
sdbcx::OCollection* OMySQLTable::createColumns(const TStringVector& _rNames)
{
OMySQLColumns* pColumns = new OMySQLColumns(*this,sal_True,m_aMutex,_rNames);
pColumns->setParent(this);
return pColumns;
}
// -----------------------------------------------------------------------------
sdbcx::OCollection* OMySQLTable::createKeys(const TStringVector& _rNames)
{
return new OMySQLKeysHelper(this,m_aMutex,_rNames);
}
// -----------------------------------------------------------------------------
sdbcx::OCollection* OMySQLTable::createIndexes(const TStringVector& _rNames)
{
return new OIndexesHelper(this,m_aMutex,_rNames);
}
//--------------------------------------------------------------------------
Sequence< sal_Int8 > OMySQLTable::getUnoTunnelImplementationId()
{
static ::cppu::OImplementationId * pId = 0;
if (! pId)
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
if (! pId)
{
static ::cppu::OImplementationId aId;
pId = &aId;
}
}
return pId->getImplementationId();
}
// com::sun::star::lang::XUnoTunnel
//------------------------------------------------------------------
sal_Int64 OMySQLTable::getSomething( const Sequence< sal_Int8 > & rId ) throw (RuntimeException)
{
return (rId.getLength() == 16 && 0 == rtl_compareMemory(getUnoTunnelImplementationId().getConstArray(), rId.getConstArray(), 16 ) )
? reinterpret_cast< sal_Int64 >( this )
: OTable_TYPEDEF::getSomething(rId);
}
// -------------------------------------------------------------------------
// XAlterTable
void SAL_CALL OMySQLTable::alterColumnByName( const ::rtl::OUString& colName, const Reference< XPropertySet >& descriptor ) throw(SQLException, NoSuchElementException, RuntimeException)
{
::osl::MutexGuard aGuard(m_aMutex);
checkDisposed(
#ifdef GCC
::connectivity::sdbcx::OTableDescriptor_BASE::rBHelper.bDisposed
#else
rBHelper.bDisposed
#endif
);
if ( m_pColumns && !m_pColumns->hasByName(colName) )
throw NoSuchElementException(colName,*this);
if ( !isNew() )
{
// first we have to check what should be altered
Reference<XPropertySet> xProp;
m_pColumns->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 precsions 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
sal_Bool bOldAutoIncrement = sal_False,bAutoIncrement = sal_False;
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT)) >>= bOldAutoIncrement;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT)) >>= bAutoIncrement;
bool bColumnNameChanged = false;
if ( nOldType != nNewType
|| nOldPrec != nNewPrec
|| nOldScale != nNewScale
|| nNewNullable != nOldNullable
|| bOldAutoIncrement != bAutoIncrement )
{
// special handling because they change dthe type names to distinguish
// if a column should be an auto_incmrement one
if ( bOldAutoIncrement != bAutoIncrement )
{
::rtl::OUString sTypeName;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_TYPENAME)) >>= sTypeName;
static ::rtl::OUString s_sAutoIncrement(RTL_CONSTASCII_USTRINGPARAM("auto_increment"));
if ( bAutoIncrement )
{
if ( sTypeName.indexOf(s_sAutoIncrement) == -1 )
{
sTypeName += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" "));
sTypeName += s_sAutoIncrement;
}
}
else
{
sal_Int32 nIndex = 0;
if ( sTypeName.getLength() && (nIndex = sTypeName.indexOf(s_sAutoIncrement)) != -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
::rtl::OUString sNewDefault,sOldDefault;
xProp->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE)) >>= sOldDefault;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_DEFAULTVALUE)) >>= sNewDefault;
if(sOldDefault.getLength())
{
dropDefaultValue(colName);
if(sNewDefault.getLength() && sOldDefault != sNewDefault)
alterDefaultValue(sNewDefault,colName);
}
else if(!sOldDefault.getLength() && sNewDefault.getLength())
alterDefaultValue(sNewDefault,colName);
// now we should look if the name of the column changed
::rtl::OUString sNewColumnName;
descriptor->getPropertyValue(rProp.getNameByIndex(PROPERTY_ID_NAME)) >>= sNewColumnName;
if ( !sNewColumnName.equalsIgnoreAsciiCase(colName) && !bColumnNameChanged )
{
::rtl::OUString sSql = getAlterTableColumnPart();
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" CHANGE "));
const ::rtl::OUString sQuote = getMetaData()->getIdentifierQuoteString( );
sSql += ::dbtools::quoteName(sQuote,colName);
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" "));
sSql += ::dbtools::createStandardColumnPart(descriptor,getConnection(),getTypeCreatePattern());
executeStatement(sSql);
}
m_pColumns->refresh();
}
else
{
if(m_pColumns)
{
m_pColumns->dropByName(colName);
m_pColumns->appendByDescriptor(descriptor);
}
}
}
// -----------------------------------------------------------------------------
void OMySQLTable::alterColumnType(sal_Int32 nNewType,const ::rtl::OUString& _rColName, const Reference<XPropertySet>& _xDescriptor)
{
::rtl::OUString sSql = getAlterTableColumnPart();
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" CHANGE "));
const ::rtl::OUString sQuote = getMetaData()->getIdentifierQuoteString( );
sSql += ::dbtools::quoteName(sQuote,_rColName);
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" "));
OColumn* pColumn = new OColumn(sal_True);
Reference<XPropertySet> xProp = pColumn;
::comphelper::copyProperties(_xDescriptor,xProp);
xProp->setPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE),makeAny(nNewType));
sSql += ::dbtools::createStandardColumnPart(xProp,getConnection(),getTypeCreatePattern());
executeStatement(sSql);
}
// -----------------------------------------------------------------------------
::rtl::OUString OMySQLTable::getTypeCreatePattern() const
{
static const ::rtl::OUString s_sCreatePattern(RTL_CONSTASCII_USTRINGPARAM("(M,D)"));
return s_sCreatePattern;
}
// -----------------------------------------------------------------------------
void OMySQLTable::alterDefaultValue(const ::rtl::OUString& _sNewDefault,const ::rtl::OUString& _rColName)
{
::rtl::OUString sSql = getAlterTableColumnPart();
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" ALTER "));
const ::rtl::OUString sQuote = getMetaData()->getIdentifierQuoteString( );
sSql += ::dbtools::quoteName(sQuote,_rColName);
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" SET DEFAULT '")) + _sNewDefault;
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("'"));
executeStatement(sSql);
}
// -----------------------------------------------------------------------------
void OMySQLTable::dropDefaultValue(const ::rtl::OUString& _rColName)
{
::rtl::OUString sSql = getAlterTableColumnPart();
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" ALTER "));
const ::rtl::OUString sQuote = getMetaData()->getIdentifierQuoteString( );
sSql += ::dbtools::quoteName(sQuote,_rColName);
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" DROP DEFAULT"));
executeStatement(sSql);
}
// -----------------------------------------------------------------------------
::rtl::OUString OMySQLTable::getAlterTableColumnPart()
{
::rtl::OUString sSql = ::rtl::OUString::createFromAscii("ALTER TABLE ");
const ::rtl::OUString sQuote = getMetaData()->getIdentifierQuoteString( );
::rtl::OUString sComposedName(
::dbtools::composeTableName( getMetaData(), m_CatalogName, m_SchemaName, m_Name, sal_True, ::dbtools::eInTableDefinitions ) );
sSql += sComposedName;
return sSql;
}
// -----------------------------------------------------------------------------
void OMySQLTable::executeStatement(const ::rtl::OUString& _rStatement )
{
::rtl::OUString sSQL = _rStatement;
if(sSQL.lastIndexOf(',') == (sSQL.getLength()-1))
sSQL = sSQL.replaceAt(sSQL.getLength()-1,1,::rtl::OUString::createFromAscii(")"));
Reference< XStatement > xStmt = getConnection()->createStatement( );
if ( xStmt.is() )
{
xStmt->execute(sSQL);
::comphelper::disposeComponent(xStmt);
}
}
// -----------------------------------------------------------------------------
::rtl::OUString OMySQLTable::getRenameStart() const
{
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("RENAME TABLE "));
}