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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /connectivity/source/drivers/odbc/OResultSetMetaData.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream/1%7.0.4.tar.xz
libreoffice-upstream/1%7.0.4.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--connectivity/source/drivers/odbc/OResultSetMetaData.cxx291
1 files changed, 291 insertions, 0 deletions
diff --git a/connectivity/source/drivers/odbc/OResultSetMetaData.cxx b/connectivity/source/drivers/odbc/OResultSetMetaData.cxx
new file mode 100644
index 000000000..21b95c6a7
--- /dev/null
+++ b/connectivity/source/drivers/odbc/OResultSetMetaData.cxx
@@ -0,0 +1,291 @@
+/* -*- 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: */