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/* -*- 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 <odbc/OResultSetMetaData.hxx>
#include <odbc/OTools.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()
{
}
OUString OResultSetMetaData::getCharColAttrib(sal_Int32 _column,sal_Int32 ident)
{
sal_Int32 column = _column;
if(_column <static_cast<sal_Int32>(m_vMapping.size())) // use mapping
column = m_vMapping[_column];
SQLSMALLINT BUFFER_LEN = 128;
std::unique_ptr<char[]> pName(new char[BUFFER_LEN+1]);
SQLSMALLINT nRealLen=0;
SQLRETURN nRet = N3SQLColAttribute(m_aStatementHandle,
static_cast<SQLUSMALLINT>(column),
static_cast<SQLUSMALLINT>(ident),
static_cast<SQLPOINTER>(pName.get()),
BUFFER_LEN,
&nRealLen,
nullptr
);
OUString sValue;
if ( nRet == SQL_SUCCESS )
{
if ( nRealLen < 0 )
nRealLen = BUFFER_LEN;
sValue = OUString(pName.get(),nRealLen,m_pConnection->getTextEncoding());
}
pName.reset();
OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
if(nRealLen > BUFFER_LEN)
{
pName.reset(new char[nRealLen+1]);
nRet = N3SQLColAttribute(m_aStatementHandle,
static_cast<SQLUSMALLINT>(column),
static_cast<SQLUSMALLINT>(ident),
static_cast<SQLPOINTER>(pName.get()),
nRealLen,
&nRealLen,
nullptr
);
if ( nRet == SQL_SUCCESS && nRealLen > 0)
sValue = OUString(pName.get(),nRealLen,m_pConnection->getTextEncoding());
OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
}
return sValue;
}
SQLLEN OResultSetMetaData::getNumColAttrib(OConnection const * _pConnection
,SQLHANDLE _aStatementHandle
,const css::uno::Reference< css::uno::XInterface >& _xInterface
,sal_Int32 _column
,sal_Int32 _ident)
{
SQLLEN nValue=0;
OTools::ThrowException(_pConnection,(*reinterpret_cast<T3SQLColAttribute>(_pConnection->getOdbcFunction(ODBC3SQLFunctionId::ColAttribute)))(_aStatementHandle,
static_cast<SQLUSMALLINT>(_column),
static_cast<SQLUSMALLINT>(_ident),
nullptr,
0,
nullptr,
&nValue),_aStatementHandle,SQL_HANDLE_STMT,_xInterface);
return nValue;
}
sal_Int32 OResultSetMetaData::getNumColAttrib(sal_Int32 _column,sal_Int32 ident)
{
sal_Int32 column = _column;
if(_column < static_cast<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 )
{
return getNumColAttrib(column,SQL_DESC_DISPLAY_SIZE);
}
SQLSMALLINT OResultSetMetaData::getColumnODBCType(OConnection const * _pConnection
,SQLHANDLE _aStatementHandle
,const css::uno::Reference< css::uno::XInterface >& _xInterface
,sal_Int32 column)
{
SQLSMALLINT nType = 0;
try
{
nType = static_cast<SQLSMALLINT>(getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE));
if(nType == SQL_UNKNOWN_TYPE)
nType = static_cast<SQLSMALLINT>(getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column, SQL_DESC_TYPE));
}
catch(SQLException& ) // in this case we have an odbc 2.0 driver
{
nType = static_cast<SQLSMALLINT>(getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE ));
}
return nType;
}
sal_Int32 SAL_CALL OResultSetMetaData::getColumnType( sal_Int32 column )
{
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 = true;
nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE ));
}
}
else
nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE ));
aFind = m_aColumnTypes.emplace(column,nType).first;
}
return aFind->second;
}
sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount( )
{
if(m_nColCount != -1)
return m_nColCount;
sal_Int16 nNumResultCols=0;
OTools::ThrowException(m_pConnection,N3SQLNumResultCols(m_aStatementHandle,&nNumResultCols),m_aStatementHandle,SQL_HANDLE_STMT,*this);
m_nColCount = nNumResultCols;
return m_nColCount;
}
sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_CASE_SENSITIVE) == SQL_TRUE;
}
OUString SAL_CALL OResultSetMetaData::getSchemaName( sal_Int32 column )
{
return getCharColAttrib(column,SQL_DESC_SCHEMA_NAME);
}
OUString SAL_CALL OResultSetMetaData::getColumnName( sal_Int32 column )
{
return getCharColAttrib(column,SQL_DESC_NAME);
}
OUString SAL_CALL OResultSetMetaData::getTableName( sal_Int32 column )
{
return getCharColAttrib(column,SQL_DESC_TABLE_NAME);
}
OUString SAL_CALL OResultSetMetaData::getCatalogName( sal_Int32 column )
{
return getCharColAttrib(column,SQL_DESC_CATALOG_NAME);
}
OUString SAL_CALL OResultSetMetaData::getColumnTypeName( sal_Int32 column )
{
return getCharColAttrib(column,SQL_DESC_TYPE_NAME);
}
OUString SAL_CALL OResultSetMetaData::getColumnLabel( sal_Int32 column )
{
return getCharColAttrib(column,SQL_DESC_LABEL);
}
OUString SAL_CALL OResultSetMetaData::getColumnServiceName( sal_Int32 /*column*/ )
{
return OUString();
}
sal_Bool SAL_CALL OResultSetMetaData::isCurrency( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_FIXED_PREC_SCALE) == SQL_TRUE;
}
sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_AUTO_UNIQUE_VALUE) == SQL_TRUE;
}
sal_Bool SAL_CALL OResultSetMetaData::isSigned( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_UNSIGNED) == SQL_FALSE;
}
sal_Int32 SAL_CALL OResultSetMetaData::getPrecision( sal_Int32 column )
{
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 = true;
nType = getNumColAttrib(column,SQL_COLUMN_PRECISION );
}
return nType;
}
sal_Int32 SAL_CALL OResultSetMetaData::getScale( sal_Int32 column )
{
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 = true;
nType = getNumColAttrib(column,SQL_COLUMN_SCALE );
}
return nType;
}
sal_Int32 SAL_CALL OResultSetMetaData::isNullable( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_NULLABLE);
}
sal_Bool SAL_CALL OResultSetMetaData::isSearchable( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_SEARCHABLE) != SQL_PRED_NONE;
}
sal_Bool SAL_CALL OResultSetMetaData::isReadOnly( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_READONLY;
}
sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE;
}
sal_Bool SAL_CALL OResultSetMetaData::isWritable( sal_Int32 column )
{
return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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