diff options
Diffstat (limited to 'connectivity/source/drivers/odbcbase/OResultSetMetaData.cxx')
| -rw-r--r-- | connectivity/source/drivers/odbcbase/OResultSetMetaData.cxx | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/connectivity/source/drivers/odbcbase/OResultSetMetaData.cxx b/connectivity/source/drivers/odbcbase/OResultSetMetaData.cxx new file mode 100644 index 000000000000..af21829918c1 --- /dev/null +++ b/connectivity/source/drivers/odbcbase/OResultSetMetaData.cxx @@ -0,0 +1,314 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_connectivity.hxx" +#include "odbc/OResultSetMetaData.hxx" +#include "odbc/OTools.hxx" +#include <rtl/logfile.hxx> + +using namespace connectivity::odbc; +using namespace com::sun::star::uno; +using namespace com::sun::star::lang; +using namespace com::sun::star::sdbc; + +// ------------------------------------------------------------------------- +OResultSetMetaData::~OResultSetMetaData() +{ +} +// ------------------------------------------------------------------------- +::rtl::OUString OResultSetMetaData::getCharColAttrib(sal_Int32 _column,sal_Int32 ident) throw(SQLException, RuntimeException) +{ + sal_Int32 column = _column; + if(_column <(sal_Int32) m_vMapping.size()) // use mapping + column = m_vMapping[_column]; + + SQLSMALLINT BUFFER_LEN = 128; + char *pName = new char[BUFFER_LEN+1]; + SQLSMALLINT nRealLen=0; + SQLRETURN nRet = N3SQLColAttribute(m_aStatementHandle, + (SQLUSMALLINT)column, + (SQLUSMALLINT)ident, + (SQLPOINTER)pName, + BUFFER_LEN, + &nRealLen, + NULL + ); + ::rtl::OUString sValue; + if ( nRet == SQL_SUCCESS ) + sValue = ::rtl::OUString(pName,nRealLen,m_pConnection->getTextEncoding()); + delete [] pName; + OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this); + if(nRealLen > BUFFER_LEN) + { + pName = new char[nRealLen+1]; + nRet = N3SQLColAttribute(m_aStatementHandle, + (SQLUSMALLINT)column, + (SQLUSMALLINT)ident, + (SQLPOINTER)pName, + nRealLen, + &nRealLen, + NULL + ); + if ( nRet == SQL_SUCCESS ) + sValue = ::rtl::OUString(pName,nRealLen,m_pConnection->getTextEncoding()); + delete [] pName; + OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this); + } + + return sValue; +} +// ------------------------------------------------------------------------- +SQLLEN OResultSetMetaData::getNumColAttrib(OConnection* _pConnection + ,SQLHANDLE _aStatementHandle + ,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface + ,sal_Int32 _column + ,sal_Int32 _ident) throw(SQLException, RuntimeException) +{ + SQLLEN nValue=0; + OTools::ThrowException(_pConnection,(*(T3SQLColAttribute)_pConnection->getOdbcFunction(ODBC3SQLColAttribute))(_aStatementHandle, + (SQLUSMALLINT)_column, + (SQLUSMALLINT)_ident, + NULL, + 0, + NULL, + &nValue),_aStatementHandle,SQL_HANDLE_STMT,_xInterface); + return nValue; +} +// ------------------------------------------------------------------------- +sal_Int32 OResultSetMetaData::getNumColAttrib(sal_Int32 _column,sal_Int32 ident) throw(SQLException, RuntimeException) +{ + sal_Int32 column = _column; + if(_column < (sal_Int32)m_vMapping.size()) // use mapping + column = m_vMapping[_column]; + + return getNumColAttrib(m_pConnection,m_aStatementHandle,*this,column,ident); +} +// ------------------------------------------------------------------------- +sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getNumColAttrib(column,SQL_DESC_DISPLAY_SIZE); +} +// ------------------------------------------------------------------------- +SQLSMALLINT OResultSetMetaData::getColumnODBCType(OConnection* _pConnection + ,SQLHANDLE _aStatementHandle + ,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface + ,sal_Int32 column) + throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + SQLSMALLINT nType = 0; + try + { + nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE); + if(nType == SQL_UNKNOWN_TYPE) + nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column, SQL_DESC_TYPE); + } + catch(SQLException& ) // in this case we have an odbc 2.0 driver + { + nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE ); + } + + return nType; +} +// ----------------------------------------------------------------------------- +sal_Int32 SAL_CALL OResultSetMetaData::getColumnType( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + ::std::map<sal_Int32,sal_Int32>::iterator aFind = m_aColumnTypes.find(column); + if ( aFind == m_aColumnTypes.end() ) + { + sal_Int32 nType = 0; + if(!m_bUseODBC2Types) + { + try + { + nType = getNumColAttrib(column,SQL_DESC_CONCISE_TYPE); + if(nType == SQL_UNKNOWN_TYPE) + nType = getNumColAttrib(column, SQL_DESC_TYPE); + nType = OTools::MapOdbcType2Jdbc(nType); + } + catch(SQLException& ) // in this case we have an odbc 2.0 driver + { + m_bUseODBC2Types = sal_True; + nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE )); + } + } + else + nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE )); + aFind = m_aColumnTypes.insert(::std::map<sal_Int32,sal_Int32>::value_type(column,nType)).first; + } + + + return aFind->second; +} +// ------------------------------------------------------------------------- + +sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount( ) throw(SQLException, RuntimeException) +{ + if(m_nColCount != -1) + return m_nColCount; + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnCount" ); + sal_Int16 nNumResultCols=0; + OTools::ThrowException(m_pConnection,N3SQLNumResultCols(m_aStatementHandle,&nNumResultCols),m_aStatementHandle,SQL_HANDLE_STMT,*this); + return m_nColCount = nNumResultCols; +} +// ------------------------------------------------------------------------- + +sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getNumColAttrib(column,SQL_DESC_CASE_SENSITIVE) == SQL_TRUE; +} +// ------------------------------------------------------------------------- + +::rtl::OUString SAL_CALL OResultSetMetaData::getSchemaName( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getCharColAttrib(column,SQL_DESC_SCHEMA_NAME); +} +// ------------------------------------------------------------------------- + +::rtl::OUString SAL_CALL OResultSetMetaData::getColumnName( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getCharColAttrib(column,SQL_DESC_NAME); +} +// ------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OResultSetMetaData::getTableName( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getCharColAttrib(column,SQL_DESC_TABLE_NAME); +} +// ------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OResultSetMetaData::getCatalogName( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getCharColAttrib(column,SQL_DESC_CATALOG_NAME); +} +// ------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OResultSetMetaData::getColumnTypeName( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnTypeName" ); + return getCharColAttrib(column,SQL_DESC_TYPE_NAME); +} +// ------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OResultSetMetaData::getColumnLabel( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnLabel" ); + return getCharColAttrib(column,SQL_DESC_LABEL); +} +// ------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OResultSetMetaData::getColumnServiceName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnServiceName" ); + return ::rtl::OUString(); +} +// ------------------------------------------------------------------------- + +sal_Bool SAL_CALL OResultSetMetaData::isCurrency( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getNumColAttrib(column,SQL_DESC_FIXED_PREC_SCALE) == SQL_TRUE; +} +// ------------------------------------------------------------------------- + +sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + return getNumColAttrib(column,SQL_DESC_AUTO_UNIQUE_VALUE) == SQL_TRUE; +} +// ------------------------------------------------------------------------- + + +sal_Bool SAL_CALL OResultSetMetaData::isSigned( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isSigned" ); + return getNumColAttrib(column,SQL_DESC_UNSIGNED) == SQL_FALSE; +} +// ------------------------------------------------------------------------- +sal_Int32 SAL_CALL OResultSetMetaData::getPrecision( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getPrecision" ); + sal_Int32 nType = 0; + try + { + nType = getNumColAttrib(column,SQL_DESC_PRECISION); + } + catch(const SQLException& ) // in this case we have an odbc 2.0 driver + { + m_bUseODBC2Types = sal_True; + nType = getNumColAttrib(column,SQL_COLUMN_PRECISION ); + } + return nType; +} +// ----------------------------------------------------------------------------- +sal_Int32 SAL_CALL OResultSetMetaData::getScale( sal_Int32 column ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getScale" ); + sal_Int32 nType = 0; + try + { + nType = getNumColAttrib(column,SQL_DESC_SCALE); + } + catch(const SQLException& ) // in this case we have an odbc 2.0 driver + { + m_bUseODBC2Types = sal_True; + nType = getNumColAttrib(column,SQL_COLUMN_SCALE ); + } + return nType; +} +// ------------------------------------------------------------------------- + +sal_Int32 SAL_CALL OResultSetMetaData::isNullable( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isNullable" ); + return getNumColAttrib(column,SQL_DESC_NULLABLE); +} +// ------------------------------------------------------------------------- + +sal_Bool SAL_CALL OResultSetMetaData::isSearchable( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isSearchable" ); + return getNumColAttrib(column,SQL_DESC_SEARCHABLE) != SQL_PRED_NONE; +} +// ------------------------------------------------------------------------- + +sal_Bool SAL_CALL OResultSetMetaData::isReadOnly( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isReadOnly" ); + return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_READONLY; +} +// ------------------------------------------------------------------------- + +sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isDefinitelyWritable" ); + return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE; +; +} +// ------------------------------------------------------------------------- +sal_Bool SAL_CALL OResultSetMetaData::isWritable( sal_Int32 column ) throw(SQLException, RuntimeException) +{ + RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isWritable" ); + return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE; +} +// ------------------------------------------------------------------------- + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |