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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /connectivity/source/parse/sqliterator.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--connectivity/source/parse/sqliterator.cxx2117
1 files changed, 2117 insertions, 0 deletions
diff --git a/connectivity/source/parse/sqliterator.cxx b/connectivity/source/parse/sqliterator.cxx
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+++ b/connectivity/source/parse/sqliterator.cxx
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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 <connectivity/sqliterator.hxx>
+#include <connectivity/sdbcx/VTable.hxx>
+#include <connectivity/sqlparse.hxx>
+#include <sqlbison.hxx>
+#include <connectivity/dbtools.hxx>
+#include <connectivity/sqlerror.hxx>
+#include <com/sun/star/sdbc/ColumnValue.hpp>
+#include <com/sun/star/sdbc/DataType.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+#include <com/sun/star/sdb/XQueriesSupplier.hpp>
+#include <com/sun/star/sdb/ErrorCondition.hpp>
+#ifdef SQL_TEST_PARSETREEITERATOR
+#include <iostream>
+#endif
+#include <connectivity/PColumn.hxx>
+#include <tools/diagnose_ex.h>
+#include <TConnection.hxx>
+#include <comphelper/types.hxx>
+#include <connectivity/dbmetadata.hxx>
+#include <com/sun/star/sdb/SQLFilterOperator.hpp>
+#include <o3tl/safeint.hxx>
+#include <sal/log.hxx>
+
+#include <iterator>
+#include <memory>
+
+using namespace ::comphelper;
+using namespace ::connectivity;
+using namespace ::connectivity::sdbcx;
+using namespace ::dbtools;
+using namespace ::connectivity::parse;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::sdbcx;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::sdbc;
+using namespace ::com::sun::star::sdb;
+
+namespace connectivity
+{
+ struct OSQLParseTreeIteratorImpl
+ {
+ std::vector< TNodePair > m_aJoinConditions;
+ Reference< XConnection > m_xConnection;
+ Reference< XDatabaseMetaData > m_xDatabaseMetaData;
+ Reference< XNameAccess > m_xTableContainer;
+ Reference< XNameAccess > m_xQueryContainer;
+
+ std::shared_ptr< OSQLTables > m_pTables; // all tables which participate in the SQL statement
+ std::shared_ptr< OSQLTables > m_pSubTables; // all tables from sub queries not the tables from the select tables
+ std::shared_ptr< QueryNameSet > m_pForbiddenQueryNames;
+
+ TraversalParts m_nIncludeMask;
+
+ bool m_bIsCaseSensitive;
+
+ OSQLParseTreeIteratorImpl( const Reference< XConnection >& _rxConnection, const Reference< XNameAccess >& _rxTables )
+ :m_xConnection( _rxConnection )
+ ,m_nIncludeMask( TraversalParts::All )
+ ,m_bIsCaseSensitive( true )
+ {
+ OSL_PRECOND( m_xConnection.is(), "OSQLParseTreeIteratorImpl::OSQLParseTreeIteratorImpl: invalid connection!" );
+ m_xDatabaseMetaData = m_xConnection->getMetaData();
+
+ m_bIsCaseSensitive = m_xDatabaseMetaData.is() && m_xDatabaseMetaData->supportsMixedCaseQuotedIdentifiers();
+ m_pTables = std::make_shared<OSQLTables>( m_bIsCaseSensitive );
+ m_pSubTables = std::make_shared<OSQLTables>( m_bIsCaseSensitive );
+
+ m_xTableContainer = _rxTables;
+
+ DatabaseMetaData aMetaData( m_xConnection );
+ if ( aMetaData.supportsSubqueriesInFrom() )
+ {
+ // connections might support the XQueriesSupplier interface, if they implement the css.sdb.Connection
+ // service
+ Reference< XQueriesSupplier > xSuppQueries( m_xConnection, UNO_QUERY );
+ if ( xSuppQueries.is() )
+ m_xQueryContainer = xSuppQueries->getQueries();
+ }
+ }
+
+ public:
+ bool isQueryAllowed( const OUString& _rQueryName )
+ {
+ if ( !m_pForbiddenQueryNames )
+ return true;
+ if ( m_pForbiddenQueryNames->find( _rQueryName ) == m_pForbiddenQueryNames->end() )
+ return true;
+ return false;
+ }
+ };
+
+ namespace {
+
+ /** helper class for temporarily adding a query name to a list of forbidden query names
+ */
+ class ForbidQueryName
+ {
+ std::shared_ptr< QueryNameSet >& m_rpAllForbiddenNames;
+ OUString m_sForbiddenQueryName;
+
+ public:
+ ForbidQueryName( OSQLParseTreeIteratorImpl& _rIteratorImpl, const OUString& _rForbiddenQueryName )
+ :m_rpAllForbiddenNames( _rIteratorImpl.m_pForbiddenQueryNames )
+ ,m_sForbiddenQueryName( _rForbiddenQueryName )
+ {
+ if ( !m_rpAllForbiddenNames )
+ m_rpAllForbiddenNames = std::make_shared<QueryNameSet>();
+ m_rpAllForbiddenNames->insert( m_sForbiddenQueryName );
+ }
+
+ ~ForbidQueryName()
+ {
+ m_rpAllForbiddenNames->erase( m_sForbiddenQueryName );
+ }
+ };
+
+ }
+}
+
+OSQLParseTreeIterator::OSQLParseTreeIterator(const Reference< XConnection >& _rxConnection,
+ const Reference< XNameAccess >& _rxTables,
+ const OSQLParser& _rParser )
+ :m_rParser( _rParser )
+ ,m_pImpl( new OSQLParseTreeIteratorImpl( _rxConnection, _rxTables ) )
+{
+ setParseTree(nullptr);
+}
+
+
+OSQLParseTreeIterator::OSQLParseTreeIterator( const OSQLParseTreeIterator& _rParentIterator, const OSQLParser& _rParser, const OSQLParseNode* pRoot )
+ :m_rParser( _rParser )
+ ,m_pImpl( new OSQLParseTreeIteratorImpl( _rParentIterator.m_pImpl->m_xConnection, _rParentIterator.m_pImpl->m_xTableContainer ) )
+{
+ m_pImpl->m_pForbiddenQueryNames = _rParentIterator.m_pImpl->m_pForbiddenQueryNames;
+ setParseTree( pRoot );
+}
+
+
+OSQLParseTreeIterator::~OSQLParseTreeIterator()
+{
+ dispose();
+}
+
+
+const OSQLTables& OSQLParseTreeIterator::getTables() const
+{
+ return *m_pImpl->m_pTables;
+}
+
+
+bool OSQLParseTreeIterator::isCaseSensitive() const
+{
+ return m_pImpl->m_bIsCaseSensitive;
+}
+
+
+void OSQLParseTreeIterator::dispose()
+{
+ m_aSelectColumns = nullptr;
+ m_aGroupColumns = nullptr;
+ m_aOrderColumns = nullptr;
+ m_aParameters = nullptr;
+ m_pImpl->m_xTableContainer = nullptr;
+ m_pImpl->m_xDatabaseMetaData = nullptr;
+ m_aCreateColumns = nullptr;
+ m_pImpl->m_pTables->clear();
+ m_pImpl->m_pSubTables->clear();
+}
+
+void OSQLParseTreeIterator::setParseTree(const OSQLParseNode * pNewParseTree)
+{
+ m_pImpl->m_pTables->clear();
+ m_pImpl->m_pSubTables->clear();
+
+ m_aSelectColumns = new OSQLColumns();
+ m_aGroupColumns = new OSQLColumns();
+ m_aOrderColumns = new OSQLColumns();
+ m_aParameters = new OSQLColumns();
+ m_aCreateColumns = new OSQLColumns();
+
+ m_pParseTree = pNewParseTree;
+ if (!m_pParseTree)
+ {
+ m_eStatementType = OSQLStatementType::Unknown;
+ return;
+ }
+
+ // If m_pParseTree, but no connection then return
+ if ( !m_pImpl->m_xTableContainer.is() )
+ return;
+
+ m_xErrors.reset();
+
+
+ // Determine statement type ...
+ if (SQL_ISRULE(m_pParseTree,select_statement) || SQL_ISRULE(m_pParseTree,union_statement) )
+ {
+ m_eStatementType = OSQLStatementType::Select;
+ }
+ else if (SQL_ISRULE(m_pParseTree,insert_statement))
+ {
+ m_eStatementType = OSQLStatementType::Insert;
+ }
+ else if (SQL_ISRULE(m_pParseTree,update_statement_searched))
+ {
+ m_eStatementType = OSQLStatementType::Update;
+ }
+ else if (SQL_ISRULE(m_pParseTree,delete_statement_searched))
+ {
+ m_eStatementType = OSQLStatementType::Delete;
+ }
+ else if (m_pParseTree->count() == 3 && SQL_ISRULE(m_pParseTree->getChild(1),odbc_call_spec))
+ {
+ m_eStatementType = OSQLStatementType::OdbcCall;
+ }
+ else if (SQL_ISRULE(m_pParseTree->getChild(0),base_table_def))
+ {
+ m_eStatementType = OSQLStatementType::CreateTable;
+ m_pParseTree = m_pParseTree->getChild(0);
+ }
+ else
+ {
+ m_eStatementType = OSQLStatementType::Unknown;
+ //aIteratorStatus.setInvalidStatement();
+ return;
+ }
+}
+
+
+namespace
+{
+
+ void impl_getRowString( const Reference< XRow >& _rxRow, const sal_Int32 _nColumnIndex, OUString& _out_rString )
+ {
+ _out_rString = _rxRow->getString( _nColumnIndex );
+ if ( _rxRow->wasNull() )
+ _out_rString.clear();
+ }
+
+
+ OUString lcl_findTableInMetaData(
+ const Reference< XDatabaseMetaData >& _rxDBMeta, const OUString& _rCatalog,
+ const OUString& _rSchema, const OUString& _rTableName )
+ {
+ OUString sComposedName;
+
+ static constexpr OUStringLiteral s_sWildcard = u"%" ;
+
+ // we want all catalogues, all schemas, all tables
+ Sequence< OUString > sTableTypes { "VIEW", "TABLE", s_sWildcard }; // this last one just to be sure to include anything else...
+
+ if ( _rxDBMeta.is() )
+ {
+ sComposedName.clear();
+
+ Reference< XResultSet> xRes = _rxDBMeta->getTables(
+ !_rCatalog.isEmpty() ? Any( _rCatalog ) : Any(), !_rSchema.isEmpty() ? _rSchema : s_sWildcard, _rTableName, sTableTypes );
+
+ Reference< XRow > xCurrentRow( xRes, UNO_QUERY );
+ if ( xCurrentRow.is() && xRes->next() )
+ {
+ OUString sCatalog, sSchema, sName;
+
+ impl_getRowString( xCurrentRow, 1, sCatalog );
+ impl_getRowString( xCurrentRow, 2, sSchema );
+ impl_getRowString( xCurrentRow, 3, sName );
+
+ sComposedName = ::dbtools::composeTableName(
+ _rxDBMeta,
+ sCatalog,
+ sSchema,
+ sName,
+ false,
+ ::dbtools::EComposeRule::InDataManipulation
+ );
+ }
+ }
+ return sComposedName;
+ }
+}
+
+
+void OSQLParseTreeIterator::impl_getQueryParameterColumns( const OSQLTable& _rQuery )
+{
+ if ( !( m_pImpl->m_nIncludeMask & TraversalParts::Parameters ) )
+ // parameters not to be included in the traversal
+ return;
+
+ ::rtl::Reference pSubQueryParameterColumns( new OSQLColumns() );
+
+ // get the command and the EscapeProcessing properties from the sub query
+ OUString sSubQueryCommand;
+ bool bEscapeProcessing = false;
+ try
+ {
+ Reference< XPropertySet > xQueryProperties( _rQuery, UNO_QUERY_THROW );
+ OSL_VERIFY( xQueryProperties->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_COMMAND ) ) >>= sSubQueryCommand );
+ OSL_VERIFY( xQueryProperties->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_ESCAPEPROCESSING ) ) >>= bEscapeProcessing );
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("connectivity.parse");
+ }
+
+ // parse the sub query
+ do {
+
+ if ( !bEscapeProcessing || ( sSubQueryCommand.isEmpty() ) )
+ break;
+
+ OUString sError;
+ std::unique_ptr< OSQLParseNode > pSubQueryNode( const_cast< OSQLParser& >( m_rParser ).parseTree( sError, sSubQueryCommand ) );
+ if (!pSubQueryNode)
+ break;
+
+ OSQLParseTreeIterator aSubQueryIterator( *this, m_rParser, pSubQueryNode.get() );
+ aSubQueryIterator.impl_traverse( TraversalParts::Parameters | TraversalParts::SelectColumns );
+ // SelectColumns might also contain parameters #i77635#
+ pSubQueryParameterColumns = aSubQueryIterator.getParameters();
+ aSubQueryIterator.dispose();
+
+ } while ( false );
+
+ // copy the parameters of the sub query to our own parameter array
+ m_aParameters->insert( m_aParameters->end(), pSubQueryParameterColumns->begin(), pSubQueryParameterColumns->end() );
+}
+
+
+OSQLTable OSQLParseTreeIterator::impl_locateRecordSource( const OUString& _rComposedName )
+{
+ if ( _rComposedName.isEmpty() )
+ {
+ SAL_WARN( "connectivity.parse", "OSQLParseTreeIterator::impl_locateRecordSource: no object name at all?" );
+ return OSQLTable();
+ }
+
+ OSQLTable aReturn;
+ OUString sComposedName( _rComposedName );
+
+ try
+ {
+ OUString sCatalog, sSchema, sName;
+ qualifiedNameComponents( m_pImpl->m_xDatabaseMetaData, sComposedName, sCatalog, sSchema, sName, ::dbtools::EComposeRule::InDataManipulation );
+
+ // check whether there is a query with the given name
+ bool bQueryDoesExist = m_pImpl->m_xQueryContainer.is() && m_pImpl->m_xQueryContainer->hasByName( sComposedName );
+
+ // check whether the table container contains an object with the given name
+ if ( !bQueryDoesExist && !m_pImpl->m_xTableContainer->hasByName( sComposedName ) )
+ sComposedName = lcl_findTableInMetaData( m_pImpl->m_xDatabaseMetaData, sCatalog, sSchema, sName );
+ bool bTableDoesExist = m_pImpl->m_xTableContainer->hasByName( sComposedName );
+
+ // now obtain the object
+
+ // if we're creating a table, and there already is a table or query with the same name,
+ // this is worth an error
+ if ( OSQLStatementType::CreateTable == m_eStatementType )
+ {
+ if ( bQueryDoesExist )
+ impl_appendError( IParseContext::ErrorCode::InvalidQueryExist, &sName );
+ else if ( bTableDoesExist )
+ impl_appendError( IParseContext::ErrorCode::InvalidTableExist, &sName );
+ else
+ aReturn = impl_createTableObject( sName, sCatalog, sSchema );
+ }
+ else
+ {
+ // queries win over tables, so if there's a query with this name, take this, no matter if
+ // there's a table, too
+ if ( bQueryDoesExist )
+ {
+ if ( !m_pImpl->isQueryAllowed( sComposedName ) )
+ {
+ impl_appendError( m_rParser.getErrorHelper().getSQLException( sdb::ErrorCondition::PARSER_CYCLIC_SUB_QUERIES, nullptr ) );
+ return nullptr;
+ }
+
+ m_pImpl->m_xQueryContainer->getByName( sComposedName ) >>= aReturn;
+
+ // collect the parameters from the sub query
+ ForbidQueryName aForbidName( *m_pImpl, sComposedName );
+ impl_getQueryParameterColumns( aReturn );
+ }
+ else if ( bTableDoesExist )
+ m_pImpl->m_xTableContainer->getByName( sComposedName ) >>= aReturn;
+ else
+ {
+ if ( m_pImpl->m_xQueryContainer.is() )
+ // the connection on which we're working supports sub queries in from (else
+ // m_xQueryContainer would not have been set), so emit a better error message
+ impl_appendError( IParseContext::ErrorCode::InvalidTableOrQuery, &sName );
+ else
+ impl_appendError( IParseContext::ErrorCode::InvalidTableNosuch, &sName );
+ }
+ }
+ }
+ catch(Exception&)
+ {
+ impl_appendError( IParseContext::ErrorCode::InvalidTableNosuch, &sComposedName );
+ }
+
+ return aReturn;
+}
+
+
+void OSQLParseTreeIterator::traverseOneTableName( OSQLTables& _rTables,const OSQLParseNode * pTableName, const OUString & rTableRange )
+{
+ if ( !( m_pImpl->m_nIncludeMask & TraversalParts::TableNames ) )
+ // tables should not be included in the traversal
+ return;
+
+ OSL_ENSURE(pTableName != nullptr,"OSQLParseTreeIterator::traverseOneTableName: pTableName == NULL");
+
+ Any aCatalog;
+ OUString aSchema,aTableName,aComposedName;
+ OUString aTableRange(rTableRange);
+
+ // Get table name
+ OSQLParseNode::getTableComponents(pTableName,aCatalog,aSchema,aTableName,m_pImpl->m_xDatabaseMetaData);
+
+ // create the composed name like DOMAIN.USER.TABLE1
+ aComposedName = ::dbtools::composeTableName(m_pImpl->m_xDatabaseMetaData,
+ aCatalog.hasValue() ? ::comphelper::getString(aCatalog) : OUString(),
+ aSchema,
+ aTableName,
+ false,
+ ::dbtools::EComposeRule::InDataManipulation);
+
+ // if there is no alias for the table name assign the original name to it
+ if ( aTableRange.isEmpty() )
+ aTableRange = aComposedName;
+
+ // get the object representing this table/query
+ OSQLTable aTable = impl_locateRecordSource( aComposedName );
+ if ( aTable.is() )
+ _rTables[ aTableRange ] = aTable;
+}
+
+void OSQLParseTreeIterator::impl_fillJoinConditions(const OSQLParseNode* i_pJoinCondition)
+{
+ if (i_pJoinCondition->count() == 3 && // Expression with brackets
+ SQL_ISPUNCTUATION(i_pJoinCondition->getChild(0),"(") &&
+ SQL_ISPUNCTUATION(i_pJoinCondition->getChild(2),")"))
+ {
+ impl_fillJoinConditions(i_pJoinCondition->getChild(1));
+ }
+ else if (SQL_ISRULEOR2(i_pJoinCondition,search_condition,boolean_term) && // AND/OR logic operation:
+ i_pJoinCondition->count() == 3)
+ {
+ // Only allow AND logic operation
+ if ( SQL_ISTOKEN(i_pJoinCondition->getChild(1),AND) )
+ {
+ impl_fillJoinConditions(i_pJoinCondition->getChild(0));
+ impl_fillJoinConditions(i_pJoinCondition->getChild(1));
+ }
+ }
+ else if (SQL_ISRULE(i_pJoinCondition,comparison_predicate))
+ {
+ // only the comparison of columns is allowed
+ OSL_ENSURE(i_pJoinCondition->count() == 3,"OQueryDesignView::InsertJoinConnection: error in the parse tree");
+ if (SQL_ISRULE(i_pJoinCondition->getChild(0),column_ref) &&
+ SQL_ISRULE(i_pJoinCondition->getChild(2),column_ref) &&
+ i_pJoinCondition->getChild(1)->getNodeType() == SQLNodeType::Equal)
+ {
+ m_pImpl->m_aJoinConditions.push_back( TNodePair(i_pJoinCondition->getChild(0),i_pJoinCondition->getChild(2)) );
+ }
+ }
+}
+
+std::vector< TNodePair >& OSQLParseTreeIterator::getJoinConditions() const
+{
+ return m_pImpl->m_aJoinConditions;
+}
+
+void OSQLParseTreeIterator::getQualified_join( OSQLTables& _rTables, const OSQLParseNode *pTableRef, OUString& aTableRange )
+{
+ OSL_PRECOND( SQL_ISRULE( pTableRef, cross_union ) || SQL_ISRULE( pTableRef, qualified_join ) ,
+ "OSQLParseTreeIterator::getQualified_join: illegal node!" );
+
+ aTableRange.clear();
+
+ const OSQLParseNode* pNode = getTableNode(_rTables,pTableRef->getChild(0),aTableRange);
+ if ( isTableNode( pNode ) )
+ traverseOneTableName( _rTables, pNode, aTableRange );
+
+ sal_uInt32 nPos = 4;
+ if( SQL_ISRULE(pTableRef,cross_union) || pTableRef->getChild(1)->getTokenID() != SQL_TOKEN_NATURAL)
+ {
+ nPos = 3;
+ // join_condition,named_columns_join
+ if ( SQL_ISRULE( pTableRef, qualified_join ) )
+ {
+ const OSQLParseNode* pJoin_spec = pTableRef->getChild(4);
+ if ( SQL_ISRULE( pJoin_spec, join_condition ) )
+ {
+ impl_fillJoinConditions(pJoin_spec->getChild(1));
+ }
+ else
+ {
+ const OSQLParseNode* pColumnCommalist = pJoin_spec->getChild(2);
+ // All columns in the column_commalist ...
+ for (size_t i = 0; i < pColumnCommalist->count(); i++)
+ {
+ const OSQLParseNode * pCol = pColumnCommalist->getChild(i);
+ // add twice because the column must exists in both tables
+ m_pImpl->m_aJoinConditions.push_back( TNodePair(pCol,pCol) );
+ }
+ }
+ }
+ }
+
+ pNode = getTableNode(_rTables,pTableRef->getChild(nPos),aTableRange);
+ if ( isTableNode( pNode ) )
+ traverseOneTableName( _rTables, pNode, aTableRange );
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getTableNode( OSQLTables& _rTables, const OSQLParseNode *pTableRef,OUString& rTableRange )
+{
+ OSL_PRECOND( SQL_ISRULE( pTableRef, table_ref ) || SQL_ISRULE( pTableRef, joined_table )
+ || SQL_ISRULE( pTableRef, qualified_join ) || SQL_ISRULE( pTableRef, cross_union ),
+ "OSQLParseTreeIterator::getTableNode: only to be called for table_ref nodes!" );
+
+ const OSQLParseNode* pTableNameNode = nullptr;
+
+ if ( SQL_ISRULE( pTableRef, joined_table ) )
+ {
+ getQualified_join( _rTables, pTableRef->getChild(1), rTableRange );
+ }
+ if ( SQL_ISRULE( pTableRef, qualified_join ) || SQL_ISRULE( pTableRef, cross_union ) )
+ {
+ getQualified_join( _rTables, pTableRef, rTableRange );
+ }
+ else
+ {
+ rTableRange = OSQLParseNode::getTableRange(pTableRef);
+ if ( ( pTableRef->count() == 4 ) // '{' SQL_TOKEN_OJ joined_table '}'
+ || ( pTableRef->count() == 5 ) // '(' joined_table ')' range_variable op_column_commalist
+ )
+ {
+ getQualified_join( _rTables, pTableRef->getChild(6 - pTableRef->count()), rTableRange );
+ }
+ else if ( pTableRef->count() == 3 ) // subquery range_variable op_column_commalist || '(' joined_table ')'
+ {
+ const OSQLParseNode* pSubQuery = pTableRef->getChild(0);
+ if ( pSubQuery->isToken() )
+ {
+ getQualified_join( _rTables, pTableRef->getChild(1), rTableRange );
+ }
+ else
+ {
+ OSL_ENSURE( pSubQuery->count() == 3, "sub queries should have 3 children!" );
+ const OSQLParseNode* pQueryExpression = pSubQuery->getChild(1);
+ if ( SQL_ISRULE( pQueryExpression, select_statement ) )
+ {
+ getSelect_statement( *m_pImpl->m_pSubTables, pQueryExpression );
+ // TODO: now, we need to setup an OSQLTable from pQueryExpression in some way
+ // and stick it in _rTables[rTableRange]. Probably fake it by
+ // setting up a full OSQLParseTreeIterator on pQueryExpression
+ // and using its m_aSelectColumns
+ // This is necessary in stuff like "SELECT * FROM tbl1 INNER JOIN (SELECT foo, bar FROM tbl2) AS tbl3"
+ // so that setSelectColumnName() can expand the "*" correctly.
+ // See e.g. R_UserAndLastSubscription query of https://bugs.libreoffice.org/attachment.cgi?id=71871
+ }
+ else
+ {
+ SAL_WARN( "connectivity.parse", "OSQLParseTreeIterator::getTableNode: subquery which is no select_statement: not yet implemented!" );
+ }
+ }
+ }
+ else if ( pTableRef->count() == 2 ) // table_node table_primary_as_range_column
+ {
+ pTableNameNode = pTableRef->getChild(0);
+ }
+ else
+ SAL_WARN( "connectivity.parse", "OSQLParseTreeIterator::getTableNode: unhandled case!" );
+ }
+
+ return pTableNameNode;
+}
+
+void OSQLParseTreeIterator::getSelect_statement(OSQLTables& _rTables,const OSQLParseNode* pSelect)
+{
+ if(SQL_ISRULE(pSelect,union_statement))
+ {
+ getSelect_statement(_rTables,pSelect->getChild(0));
+ //getSelect_statement(pSelect->getChild(3));
+ return;
+ }
+ OSQLParseNode * pTableRefCommalist = pSelect->getChild(3)->getChild(0)->getChild(1);
+
+ OSL_ENSURE(pTableRefCommalist != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(SQL_ISRULE(pTableRefCommalist,table_ref_commalist),"OSQLParseTreeIterator: error in parse tree!");
+
+ const OSQLParseNode* pTableName = nullptr;
+ OUString aTableRange;
+ for (size_t i = 0; i < pTableRefCommalist->count(); i++)
+ { // Process FROM clause
+ aTableRange.clear();
+
+ const OSQLParseNode* pTableListElement = pTableRefCommalist->getChild(i);
+ if ( isTableNode( pTableListElement ) )
+ {
+ traverseOneTableName( _rTables, pTableListElement, aTableRange );
+ }
+ else if ( SQL_ISRULE( pTableListElement, table_ref ) )
+ {
+ // Table references can be made up of table names, table names (+),'('joined_table')'(+)
+ pTableName = pTableListElement->getChild(0);
+ if( isTableNode( pTableName ) )
+ { // Found table names
+ aTableRange = OSQLParseNode::getTableRange(pTableListElement);
+ traverseOneTableName( _rTables, pTableName, aTableRange );
+ }
+ else if(SQL_ISPUNCTUATION(pTableName,"{"))
+ { // '{' SQL_TOKEN_OJ joined_table '}'
+ getQualified_join( _rTables, pTableListElement->getChild(2), aTableRange );
+ }
+ else
+ { // '(' joined_table ')' range_variable op_column_commalist
+ getTableNode( _rTables, pTableListElement, aTableRange );
+ }
+ }
+ else if (SQL_ISRULE( pTableListElement, qualified_join ) || SQL_ISRULE( pTableListElement, cross_union ) )
+ {
+ getQualified_join( _rTables, pTableListElement, aTableRange );
+ }
+ else if ( SQL_ISRULE( pTableListElement, joined_table ) )
+ {
+ getQualified_join( _rTables, pTableListElement->getChild(1), aTableRange );
+ }
+
+ // if (! aIteratorStatus.IsSuccessful()) break;
+ }
+}
+
+bool OSQLParseTreeIterator::traverseTableNames(OSQLTables& _rTables)
+{
+ if ( m_pParseTree == nullptr )
+ return false;
+
+ OSQLParseNode* pTableName = nullptr;
+
+ switch ( m_eStatementType )
+ {
+ case OSQLStatementType::Select:
+ getSelect_statement( _rTables, m_pParseTree );
+ break;
+
+ case OSQLStatementType::CreateTable:
+ case OSQLStatementType::Insert:
+ case OSQLStatementType::Delete:
+ pTableName = m_pParseTree->getChild(2);
+ break;
+
+ case OSQLStatementType::Update:
+ pTableName = m_pParseTree->getChild(1);
+ break;
+ default:
+ break;
+ }
+
+ if ( pTableName )
+ {
+ traverseOneTableName( _rTables, pTableName, OUString() );
+ }
+
+ return !hasErrors();
+}
+
+OUString OSQLParseTreeIterator::getColumnAlias(const OSQLParseNode* _pDerivedColumn)
+{
+ OSL_ENSURE(SQL_ISRULE(_pDerivedColumn,derived_column),"No derived column!");
+ OUString sColumnAlias;
+ if(_pDerivedColumn->getChild(1)->count() == 2)
+ sColumnAlias = _pDerivedColumn->getChild(1)->getChild(1)->getTokenValue();
+ else if(!_pDerivedColumn->getChild(1)->isRule())
+ sColumnAlias = _pDerivedColumn->getChild(1)->getTokenValue();
+ return sColumnAlias;
+}
+
+
+namespace
+{
+ void lcl_getColumnRange( const OSQLParseNode* _pColumnRef, const Reference< XConnection >& _rxConnection,
+ OUString& _out_rColumnName, OUString& _out_rTableRange,
+ const OSQLColumns* _pSelectColumns, OUString& _out_rColumnAliasIfPresent )
+ {
+ _out_rColumnName.clear();
+ _out_rTableRange.clear();
+ _out_rColumnAliasIfPresent.clear();
+ if ( SQL_ISRULE( _pColumnRef, column_ref ) )
+ {
+ if( _pColumnRef->count() > 1 )
+ {
+ for ( sal_Int32 i=0; i<static_cast<sal_Int32>(_pColumnRef->count())-2; ++i )
+ _pColumnRef->getChild(i)->parseNodeToStr( _out_rTableRange, _rxConnection, nullptr, false, false );
+ _out_rColumnName = _pColumnRef->getChild( _pColumnRef->count()-1 )->getChild(0)->getTokenValue();
+ }
+ else
+ _out_rColumnName = _pColumnRef->getChild(0)->getTokenValue();
+
+ // look up the column in the select column, to find a possible alias
+ if ( _pSelectColumns )
+ {
+ for (const Reference< XPropertySet >& xColumn : *_pSelectColumns)
+ {
+ try
+ {
+ OUString sName, sTableName;
+ xColumn->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_REALNAME ) ) >>= sName;
+ xColumn->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_TABLENAME ) ) >>= sTableName;
+ if ( sName == _out_rColumnName && ( _out_rTableRange.isEmpty() || sTableName == _out_rTableRange ) )
+ {
+ xColumn->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_NAME ) ) >>= _out_rColumnAliasIfPresent;
+ break;
+ }
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("connectivity.parse");
+ }
+ }
+ }
+ }
+ else if(SQL_ISRULE(_pColumnRef,general_set_fct) || SQL_ISRULE(_pColumnRef,set_fct_spec))
+ { // Function
+ _pColumnRef->parseNodeToStr( _out_rColumnName, _rxConnection );
+ }
+ else if(_pColumnRef->getNodeType() == SQLNodeType::Name)
+ _out_rColumnName = _pColumnRef->getTokenValue();
+ }
+}
+
+
+void OSQLParseTreeIterator::getColumnRange( const OSQLParseNode* _pColumnRef,
+ OUString& _rColumnName,
+ OUString& _rTableRange) const
+{
+ OUString sDummy;
+ lcl_getColumnRange( _pColumnRef, m_pImpl->m_xConnection, _rColumnName, _rTableRange, nullptr, sDummy );
+}
+
+
+void OSQLParseTreeIterator::getColumnRange( const OSQLParseNode* _pColumnRef,
+ OUString& _rColumnName,
+ OUString& _rTableRange,
+ OUString& _out_rColumnAliasIfPresent ) const
+{
+ lcl_getColumnRange( _pColumnRef, m_pImpl->m_xConnection, _rColumnName, _rTableRange, &*m_aSelectColumns, _out_rColumnAliasIfPresent );
+}
+
+
+void OSQLParseTreeIterator::getColumnRange( const OSQLParseNode* _pColumnRef,
+ const Reference< XConnection >& _rxConnection, OUString& _out_rColumnName, OUString& _out_rTableRange )
+{
+ OUString sDummy;
+ lcl_getColumnRange( _pColumnRef, _rxConnection, _out_rColumnName, _out_rTableRange, nullptr, sDummy );
+}
+
+
+void OSQLParseTreeIterator::traverseCreateColumns(const OSQLParseNode* pSelectNode)
+{
+ // aIteratorStatus.Clear();
+
+ if (!pSelectNode || m_eStatementType != OSQLStatementType::CreateTable || m_pImpl->m_pTables->empty())
+ {
+ impl_appendError( IParseContext::ErrorCode::General );
+ return;
+ }
+ if (!SQL_ISRULE(pSelectNode,base_table_element_commalist))
+ return ;
+
+ for (size_t i = 0; i < pSelectNode->count(); i++)
+ {
+ OSQLParseNode *pColumnRef = pSelectNode->getChild(i);
+
+ if (SQL_ISRULE(pColumnRef,column_def))
+ {
+ OUString aColumnName;
+ OUString aTypeName;
+ sal_Int32 nType = DataType::VARCHAR;
+ aColumnName = pColumnRef->getChild(0)->getTokenValue();
+
+ OSQLParseNode *pDatatype = pColumnRef->getChild(1);
+ if (pDatatype && SQL_ISRULE(pDatatype,character_string_type))
+ {
+ const OSQLParseNode *pType = pDatatype->getChild(0);
+ aTypeName = pType->getTokenValue();
+ if (pDatatype->count() == 2 && (pType->getTokenID() == SQL_TOKEN_CHAR || pType->getTokenID() == SQL_TOKEN_CHARACTER ))
+ nType = DataType::CHAR;
+ }
+ else if(pDatatype && pDatatype->getNodeType() == SQLNodeType::Keyword)
+ {
+ aTypeName = "VARCHAR";
+ }
+
+ if (!aTypeName.isEmpty())
+ {
+ //TODO:Create a new class for create statement to handle field length
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(aColumnName,aTypeName,OUString(),OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,0,0,nType,false,false,isCaseSensitive(),
+ OUString(),OUString(),OUString());
+ pColumn->setFunction(false);
+ pColumn->setRealName(aColumnName);
+
+ m_aCreateColumns->push_back(pColumn);
+ }
+ }
+
+ }
+}
+
+bool OSQLParseTreeIterator::traverseSelectColumnNames(const OSQLParseNode* pSelectNode)
+{
+ if ( !( m_pImpl->m_nIncludeMask & TraversalParts::SelectColumns ) )
+ return true;
+
+ if (!pSelectNode || m_eStatementType != OSQLStatementType::Select || m_pImpl->m_pTables->empty())
+ {
+ impl_appendError( IParseContext::ErrorCode::General );
+ return false;
+ }
+
+ if(SQL_ISRULE(pSelectNode,union_statement))
+ {
+ return traverseSelectColumnNames( pSelectNode->getChild( 0 ) )
+ /*&& traverseSelectColumnNames( pSelectNode->getChild( 3 ) )*/;
+ }
+
+ // nyi: more checks for correct structure!
+ if (pSelectNode->getChild(2)->isRule() && SQL_ISPUNCTUATION(pSelectNode->getChild(2)->getChild(0),"*"))
+ {
+ // SELECT * ...
+ setSelectColumnName("*", "", "");
+ }
+ else if (SQL_ISRULE(pSelectNode->getChild(2),scalar_exp_commalist))
+ {
+ // SELECT column[,column] or SELECT COUNT(*) ...
+ OSQLParseNode * pSelection = pSelectNode->getChild(2);
+
+ for (size_t i = 0; i < pSelection->count(); i++)
+ {
+ OSQLParseNode *pColumnRef = pSelection->getChild(i);
+
+ //if (SQL_ISRULE(pColumnRef,select_sublist))
+ if (SQL_ISRULE(pColumnRef,derived_column) &&
+ SQL_ISRULE(pColumnRef->getChild(0),column_ref) &&
+ pColumnRef->getChild(0)->count() == 3 &&
+ SQL_ISPUNCTUATION(pColumnRef->getChild(0)->getChild(2),"*"))
+ {
+ // All the table's columns
+ OUString aTableRange;
+ pColumnRef->getChild(0)->parseNodeToStr( aTableRange, m_pImpl->m_xConnection, nullptr, false, false );
+ setSelectColumnName("*", "", aTableRange);
+ continue;
+ }
+ else if (SQL_ISRULE(pColumnRef,derived_column))
+ {
+ OUString aColumnAlias(getColumnAlias(pColumnRef)); // can be empty
+ OUString sColumnName;
+ OUString aTableRange;
+ sal_Int32 nType = DataType::VARCHAR;
+ bool bFkt(false);
+ pColumnRef = pColumnRef->getChild(0);
+ while (
+ pColumnRef->getKnownRuleID() != OSQLParseNode::subquery &&
+ pColumnRef->count() == 3 &&
+ SQL_ISPUNCTUATION(pColumnRef->getChild(0),"(") &&
+ SQL_ISPUNCTUATION(pColumnRef->getChild(2),")")
+ )
+ pColumnRef = pColumnRef->getChild(1);
+
+ if (SQL_ISRULE(pColumnRef,column_ref))
+ {
+ getColumnRange(pColumnRef,sColumnName,aTableRange);
+ OSL_ENSURE(!sColumnName.isEmpty(),"Column name must not be empty!");
+ }
+ else /*if (SQL_ISRULE(pColumnRef,general_set_fct) || SQL_ISRULE(pColumnRef,set_fct_spec) ||
+ SQL_ISRULE(pColumnRef,position_exp) || SQL_ISRULE(pColumnRef,extract_exp) ||
+ SQL_ISRULE(pColumnRef,length_exp) || SQL_ISRULE(pColumnRef,char_value_fct)||
+ SQL_ISRULE(pColumnRef,num_value_exp) || SQL_ISRULE(pColumnRef,term))*/
+ {
+ // Function call present
+ pColumnRef->parseNodeToStr( sColumnName, m_pImpl->m_xConnection );
+ // check if the column is also a parameter
+ traverseSearchCondition(pColumnRef); // num_value_exp
+
+ if ( pColumnRef->isRule() )
+ {
+ // FIXME: the if condition is not quite right
+ // many expressions are rules, e.g. "5+3"
+ // or even: "colName + 1"
+ bFkt = true;
+ nType = getFunctionReturnType(pColumnRef);
+ }
+ }
+ /*
+ else
+ {
+ aIteratorStatus.setStatementTooComplex();
+ return;
+ }
+ */
+ if(aColumnAlias.isEmpty())
+ aColumnAlias = sColumnName;
+ setSelectColumnName(sColumnName,aColumnAlias,aTableRange,bFkt,nType,SQL_ISRULE(pColumnRef,general_set_fct) || SQL_ISRULE(pColumnRef,set_fct_spec));
+ }
+ }
+ }
+
+ return !hasErrors();
+}
+
+
+bool OSQLParseTreeIterator::traverseOrderByColumnNames(const OSQLParseNode* pSelectNode)
+{
+ traverseByColumnNames( pSelectNode, true );
+ return !hasErrors();
+}
+
+void OSQLParseTreeIterator::traverseByColumnNames(const OSQLParseNode* pSelectNode, bool _bOrder)
+{
+ // aIteratorStatus.Clear();
+
+ if (pSelectNode == nullptr)
+ {
+ //aIteratorStatus.setInvalidStatement();
+ return;
+ }
+
+ if (m_eStatementType != OSQLStatementType::Select)
+ {
+ //aIteratorStatus.setInvalidStatement();
+ return;
+ }
+
+ if(SQL_ISRULE(pSelectNode,union_statement))
+ {
+ traverseByColumnNames(pSelectNode->getChild(0),_bOrder);
+ return;
+ }
+
+ OSL_ENSURE(pSelectNode->count() >= 4,"OSQLParseTreeIterator: error in parse tree!");
+
+ OSQLParseNode * pTableExp = pSelectNode->getChild(3);
+ OSL_ENSURE(pTableExp != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(SQL_ISRULE(pTableExp,table_exp),"OSQLParseTreeIterator:table_exp error in parse tree!");
+ OSL_ENSURE(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"OSQLParseTreeIterator: error in parse tree!");
+
+ sal_uInt32 nPos = ( _bOrder ? ORDER_BY_CHILD_POS : 2 );
+
+ OSQLParseNode * pOptByClause = pTableExp->getChild(nPos);
+ OSL_ENSURE(pOptByClause != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ if ( pOptByClause->count() == 0 )
+ return;
+
+ OSL_ENSURE(pOptByClause->count() == 3,"OSQLParseTreeIterator: error in parse tree!");
+
+ OSQLParseNode * pOrderingSpecCommalist = pOptByClause->getChild(2);
+ OSL_ENSURE(pOrderingSpecCommalist != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(!_bOrder || SQL_ISRULE(pOrderingSpecCommalist,ordering_spec_commalist),"OSQLParseTreeIterator:ordering_spec_commalist error in parse tree!");
+ OSL_ENSURE(pOrderingSpecCommalist->count() > 0,"OSQLParseTreeIterator: error in parse tree!");
+
+ OUString sColumnName;
+ OUString aTableRange;
+ sal_uInt32 nCount = pOrderingSpecCommalist->count();
+ for (sal_uInt32 i = 0; i < nCount; ++i)
+ {
+ OSQLParseNode* pColumnRef = pOrderingSpecCommalist->getChild(i);
+ OSL_ENSURE(pColumnRef != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ if ( _bOrder )
+ {
+ OSL_ENSURE(SQL_ISRULE(pColumnRef,ordering_spec),"OSQLParseTreeIterator:ordering_spec error in parse tree!");
+ OSL_ENSURE(pColumnRef->count() == 2,"OSQLParseTreeIterator: error in parse tree!");
+
+ pColumnRef = pColumnRef->getChild(0);
+ }
+ OSL_ENSURE(pColumnRef != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ aTableRange.clear();
+ sColumnName.clear();
+ if ( SQL_ISRULE(pColumnRef,column_ref) )
+ {
+ // Column name (and TableRange):
+ getColumnRange(pColumnRef,sColumnName,aTableRange);
+ }
+ else
+ { // here I found a predicate
+ pColumnRef->parseNodeToStr( sColumnName, m_pImpl->m_xConnection, nullptr, false, false );
+ }
+ OSL_ENSURE(!sColumnName.isEmpty(),"sColumnName must not be empty!");
+ if ( _bOrder )
+ {
+ // Ascending/Descending
+ OSQLParseNode * pOptAscDesc = pColumnRef->getParent()->getChild(1);
+ OSL_ENSURE(pOptAscDesc != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+
+ bool bAscending = ! (pOptAscDesc && SQL_ISTOKEN(pOptAscDesc,DESC));
+ setOrderByColumnName(sColumnName, aTableRange,bAscending);
+ }
+ else
+ setGroupByColumnName(sColumnName, aTableRange);
+ }
+}
+
+bool OSQLParseTreeIterator::traverseGroupByColumnNames(const OSQLParseNode* pSelectNode)
+{
+ traverseByColumnNames( pSelectNode, false );
+ return !hasErrors();
+}
+
+
+namespace
+{
+ OUString lcl_generateParameterName( const OSQLParseNode& _rParentNode, const OSQLParseNode& _rParamNode )
+ {
+ OUString sColumnName( "param" );
+ const sal_Int32 nCount = static_cast<sal_Int32>(_rParentNode.count());
+ for ( sal_Int32 i = 0; i < nCount; ++i )
+ {
+ if ( _rParentNode.getChild(i) == &_rParamNode )
+ {
+ sColumnName += OUString::number( i+1 );
+ break;
+ }
+ }
+ return sColumnName;
+ }
+}
+
+
+void OSQLParseTreeIterator::traverseParameters(const OSQLParseNode* _pNode)
+{
+ if ( _pNode == nullptr )
+ return;
+
+ OUString sColumnName, sTableRange, aColumnAlias;
+ const OSQLParseNode* pParent = _pNode->getParent();
+ if ( pParent != nullptr )
+ {
+ if ( SQL_ISRULE(pParent,comparison_predicate) ) // x = X
+ {
+ sal_uInt32 nPos = 0;
+ if ( pParent->getChild(nPos) == _pNode )
+ nPos = 2;
+ const OSQLParseNode* pOther = pParent->getChild(nPos);
+ if ( SQL_ISRULE( pOther, column_ref ) )
+ getColumnRange( pOther, sColumnName, sTableRange, aColumnAlias);
+ else
+ pOther->parseNodeToStr( sColumnName, m_pImpl->m_xConnection, nullptr, false, false );
+ } // if ( SQL_ISRULE(pParent,comparison_predicate) ) // x = X
+ else if ( SQL_ISRULE(pParent,other_like_predicate_part_2) )
+ {
+ const OSQLParseNode* pOther = pParent->getParent()->getChild(0);
+ if ( SQL_ISRULE( pOther, column_ref ) )
+ getColumnRange( pOther, sColumnName, sTableRange, aColumnAlias);
+ else
+ pOther->parseNodeToStr( sColumnName, m_pImpl->m_xConnection, nullptr, false, false );
+ }
+ else if ( SQL_ISRULE(pParent,between_predicate_part_2) )
+ {
+ const OSQLParseNode* pOther = pParent->getParent()->getChild(0);
+ if ( SQL_ISRULE( pOther, column_ref ) )
+ getColumnRange( pOther, sColumnName, sTableRange, aColumnAlias);
+ else
+ {
+ pOther->parseNodeToStr( sColumnName, m_pImpl->m_xConnection, nullptr, false, false );
+ lcl_generateParameterName( *pParent, *_pNode );
+ }
+ }
+ else if ( pParent->getNodeType() == SQLNodeType::CommaListRule )
+ {
+ lcl_generateParameterName( *pParent, *_pNode );
+ }
+ }
+ traverseParameter( _pNode, pParent, sColumnName, sTableRange, aColumnAlias );
+ const sal_uInt32 nCount = _pNode->count();
+ for (sal_uInt32 i = 0; i < nCount; ++i)
+ {
+ const OSQLParseNode* pChild = _pNode->getChild(i);
+ traverseParameters( pChild );
+ }
+}
+
+bool OSQLParseTreeIterator::traverseSelectionCriteria(const OSQLParseNode* pSelectNode)
+{
+ if ( pSelectNode == nullptr )
+ return false;
+
+
+ // Analyse parse tree (depending on statement type)
+ // and set pointer to WHERE clause:
+ OSQLParseNode * pWhereClause = nullptr;
+
+ if (m_eStatementType == OSQLStatementType::Select)
+ {
+ if(SQL_ISRULE(pSelectNode,union_statement))
+ {
+ return traverseSelectionCriteria( pSelectNode->getChild( 0 ) )
+ && traverseSelectionCriteria( pSelectNode->getChild( 3 ) );
+ }
+ OSL_ENSURE(pSelectNode->count() >= 4,"OSQLParseTreeIterator: error in parse tree!");
+
+ OSQLParseNode * pTableExp = pSelectNode->getChild(3);
+ OSL_ENSURE(pTableExp != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(SQL_ISRULE(pTableExp,table_exp),"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"OSQLParseTreeIterator: error in parse tree!");
+
+ pWhereClause = pTableExp->getChild(1);
+ } else if (SQL_ISRULE(pSelectNode,update_statement_searched)) {
+ OSL_ENSURE(pSelectNode->count() == 5,"OSQLParseTreeIterator: error in parse tree!");
+ pWhereClause = pSelectNode->getChild(4);
+ } else if (SQL_ISRULE(pSelectNode,delete_statement_searched)) {
+ OSL_ENSURE(pSelectNode->count() == 4,"OSQLParseTreeIterator: error in parse tree!");
+ pWhereClause = pSelectNode->getChild(3);
+ } else if (SQL_ISRULE(pSelectNode,delete_statement_positioned)) {
+ // nyi
+ SAL_WARN( "connectivity.parse","OSQLParseTreeIterator::getSelectionCriteria: positioned nyi");
+ } else {
+ // Other statement, no selection criteria
+ return false;
+ }
+
+ if (!pWhereClause || !SQL_ISRULE(pWhereClause,where_clause))
+ {
+ // The WHERE clause is optional most of the time; which means it could be a "optional_where_clause".
+ OSL_ENSURE(pWhereClause && SQL_ISRULE(pWhereClause,opt_where_clause),"OSQLParseTreeIterator: error in parse tree!");
+ return false;
+ }
+
+ // But if it's a where_clause, then it must not be empty
+ OSL_ENSURE(pWhereClause->count() == 2,"OSQLParseTreeIterator: error in parse tree!");
+
+ OSQLParseNode * pComparisonPredicate = pWhereClause->getChild(1);
+ OSL_ENSURE(pComparisonPredicate != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+
+
+ // Process the comparison criteria now
+
+
+ traverseSearchCondition(pComparisonPredicate);
+
+ return !hasErrors();
+}
+
+
+void OSQLParseTreeIterator::traverseSearchCondition(OSQLParseNode const * pSearchCondition)
+{
+ if (
+ SQL_ISRULE(pSearchCondition,boolean_primary) &&
+ pSearchCondition->count() == 3 &&
+ SQL_ISPUNCTUATION(pSearchCondition->getChild(0),"(") &&
+ SQL_ISPUNCTUATION(pSearchCondition->getChild(2),")")
+ )
+ {
+ // Round brackets
+ traverseSearchCondition(pSearchCondition->getChild(1));
+ }
+ // The first element is an OR logical operation
+ else if ( SQL_ISRULE(pSearchCondition,search_condition) && pSearchCondition->count() == 3 )
+ {
+ // if this assert fails, the SQL grammar has changed!
+ assert(SQL_ISTOKEN(pSearchCondition->getChild(1),OR));
+ // Then process recursively (use the same row) ...
+ traverseSearchCondition(pSearchCondition->getChild(0));
+// if (! aIteratorStatus.IsSuccessful())
+// return;
+
+ // Continue with the right child
+ traverseSearchCondition(pSearchCondition->getChild(2));
+ }
+ // The first element is an AND logical operation (again)
+ else if ( SQL_ISRULE(pSearchCondition,boolean_term) && pSearchCondition->count() == 3 )
+ {
+ // Then process recursively (use the same row)
+ traverseSearchCondition(pSearchCondition->getChild(0));
+// if (! aIteratorStatus.IsSuccessful())
+// return;
+
+ // Continue with the right child
+ traverseSearchCondition(pSearchCondition->getChild(2));
+ }
+ // Else, process single search criteria (like =, !=, ..., LIKE, IS NULL etc.)
+ else if (SQL_ISRULE(pSearchCondition,comparison_predicate) )
+ {
+ OUString aValue;
+ pSearchCondition->getChild(2)->parseNodeToStr( aValue, m_pImpl->m_xConnection, nullptr, false, false );
+ traverseOnePredicate(pSearchCondition->getChild(0),aValue,pSearchCondition->getChild(2));
+ impl_fillJoinConditions(pSearchCondition);
+// if (! aIteratorStatus.IsSuccessful())
+// return;
+ }
+ else if (SQL_ISRULE(pSearchCondition,like_predicate) /*&& SQL_ISRULE(pSearchCondition->getChild(0),column_ref)*/)
+ {
+ OSL_ENSURE(pSearchCondition->count() == 2,"OSQLParseTreeIterator: error in parse tree!");
+ const OSQLParseNode* pPart2 = pSearchCondition->getChild(1);
+
+ sal_Int32 nCurentPos = pPart2->count()-2;
+
+ OSQLParseNode * pNum_value_exp = pPart2->getChild(nCurentPos);
+ OSQLParseNode * pOptEscape = pPart2->getChild(nCurentPos+1);
+
+ OSL_ENSURE(pNum_value_exp != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(pOptEscape != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+
+ if (pOptEscape->count() != 0)
+ {
+ // aIteratorStatus.setStatementTooComplex();
+ return;
+ }
+
+ OUString aValue;
+ OSQLParseNode * pParam = nullptr;
+ if (SQL_ISRULE(pNum_value_exp,parameter))
+ pParam = pNum_value_exp;
+ else if(pNum_value_exp->isToken())
+ // Normal value
+ aValue = pNum_value_exp->getTokenValue();
+ else
+ {
+ pNum_value_exp->parseNodeToStr( aValue, m_pImpl->m_xConnection, nullptr, false, false );
+ pParam = pNum_value_exp;
+ }
+
+ traverseOnePredicate(pSearchCondition->getChild(0),aValue,pParam);
+// if (! aIteratorStatus.IsSuccessful())
+// return;
+ }
+ else if (SQL_ISRULE(pSearchCondition,in_predicate))
+ {
+ OSL_ENSURE(pSearchCondition->count() == 2,"OSQLParseTreeIterator: error in parse tree!");
+ const OSQLParseNode* pPart2 = pSearchCondition->getChild(1);
+
+ traverseSearchCondition(pSearchCondition->getChild(0));
+ // if (! aIteratorStatus.IsSuccessful()) return;
+
+ OSQLParseNode* pChild = pPart2->getChild(2);
+ if ( SQL_ISRULE(pChild->getChild(0),subquery) )
+ {
+ traverseTableNames( *m_pImpl->m_pSubTables );
+ traverseSelectionCriteria(pChild->getChild(0)->getChild(1));
+ }
+ else
+ { // '(' value_exp_commalist ')'
+ pChild = pChild->getChild(1);
+ sal_Int32 nCount = pChild->count();
+ for (sal_Int32 i=0; i < nCount; ++i)
+ {
+ traverseSearchCondition(pChild->getChild(i));
+ }
+ }
+ }
+ else if (SQL_ISRULE(pSearchCondition,test_for_null) /*&& SQL_ISRULE(pSearchCondition->getChild(0),column_ref)*/)
+ {
+ OSL_ENSURE(pSearchCondition->count() == 2,"OSQLParseTreeIterator: error in parse tree!");
+ const OSQLParseNode* pPart2 = pSearchCondition->getChild(1);
+ OSL_ENSURE(SQL_ISTOKEN(pPart2->getChild(0),IS),"OSQLParseTreeIterator: error in parse tree!");
+
+ OUString aString;
+ traverseOnePredicate(pSearchCondition->getChild(0),aString,nullptr);
+ // if (! aIteratorStatus.IsSuccessful()) return;
+ }
+ else if (SQL_ISRULE(pSearchCondition,num_value_exp) || SQL_ISRULE(pSearchCondition,term))
+ {
+ OUString aString;
+ traverseOnePredicate(pSearchCondition->getChild(0),aString,pSearchCondition->getChild(0));
+ traverseOnePredicate(pSearchCondition->getChild(2),aString,pSearchCondition->getChild(2));
+ }
+ // Just pass on the error
+}
+
+void OSQLParseTreeIterator::traverseParameter(const OSQLParseNode* _pParseNode
+ ,const OSQLParseNode* _pParentNode
+ ,const OUString& _aColumnName
+ ,OUString& _aTableRange
+ ,const OUString& _rColumnAlias)
+{
+ if ( !SQL_ISRULE( _pParseNode, parameter ) )
+ return;
+
+ if ( !( m_pImpl->m_nIncludeMask & TraversalParts::Parameters ) )
+ // parameters not to be included in the traversal
+ return;
+
+ OSL_ENSURE(_pParseNode->count() > 0,"OSQLParseTreeIterator: error in parse tree!");
+ OSQLParseNode * pMark = _pParseNode->getChild(0);
+ OUString sParameterName;
+
+ if (SQL_ISPUNCTUATION(pMark,"?"))
+ {
+ sParameterName = !_rColumnAlias.isEmpty()
+ ? _rColumnAlias
+ : !_aColumnName.isEmpty()
+ ? _aColumnName
+ : OUString("?");
+ }
+ else if (SQL_ISPUNCTUATION(pMark,":"))
+ {
+ sParameterName = _pParseNode->getChild(1)->getTokenValue();
+ }
+ else if (SQL_ISPUNCTUATION(pMark,"["))
+ {
+ sParameterName = _pParseNode->getChild(1)->getTokenValue();
+ }
+ else
+ {
+ SAL_WARN( "connectivity.parse","OSQLParseTreeIterator: error in parse tree!");
+ }
+
+ // found a parameter
+ if ( _pParentNode && (SQL_ISRULE(_pParentNode,general_set_fct) || SQL_ISRULE(_pParentNode,set_fct_spec)) )
+ {// found a function as column_ref
+ OUString sFunctionName;
+ _pParentNode->getChild(0)->parseNodeToStr( sFunctionName, m_pImpl->m_xConnection, nullptr, false, false );
+ const sal_uInt32 nCount = _pParentNode->count();
+ sal_uInt32 i = 0;
+ for(; i < nCount;++i)
+ {
+ if ( _pParentNode->getChild(i) == _pParseNode )
+ break;
+ }
+ sal_Int32 nType = ::connectivity::OSQLParser::getFunctionParameterType( _pParentNode->getChild(0)->getTokenID(), i-1);
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn( sParameterName,
+ OUString(),
+ OUString(),
+ OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,
+ 0,
+ 0,
+ nType,
+ false,
+ false,
+ isCaseSensitive(),
+ OUString(),
+ OUString(),
+ OUString());
+ pColumn->setFunction(true);
+ pColumn->setAggregateFunction(true);
+ pColumn->setRealName(sFunctionName);
+ m_aParameters->push_back(pColumn);
+ }
+ else
+ {
+ bool bNotFound = true;
+ OSQLColumns::const_iterator aIter = ::connectivity::find(
+ m_aSelectColumns->begin(),
+ m_aSelectColumns->end(),
+ _aColumnName,::comphelper::UStringMixEqual( isCaseSensitive() )
+ );
+ if(aIter != m_aSelectColumns->end())
+ {
+ rtl::Reference<OParseColumn> pNewColumn = new OParseColumn(*aIter,isCaseSensitive());
+ pNewColumn->setName(sParameterName);
+ pNewColumn->setRealName(_aColumnName);
+ m_aParameters->push_back(pNewColumn);
+ bNotFound = false;
+ }
+ else if(!_aColumnName.isEmpty())// search in the tables for the right one
+ {
+
+ Reference<XPropertySet> xColumn = findColumn( _aColumnName, _aTableRange, true );
+
+ if ( xColumn.is() )
+ {
+ rtl::Reference<OParseColumn> pNewColumn = new OParseColumn(xColumn,isCaseSensitive());
+ pNewColumn->setName(sParameterName);
+ pNewColumn->setRealName(_aColumnName);
+ m_aParameters->push_back(pNewColumn);
+ bNotFound = false;
+ }
+ }
+ if ( bNotFound )
+ {
+ sal_Int32 nType = DataType::VARCHAR;
+ OSQLParseNode* pParent = _pParentNode ? _pParentNode->getParent() : nullptr;
+ if ( pParent && (SQL_ISRULE(pParent,general_set_fct) || SQL_ISRULE(pParent,set_fct_spec)) )
+ {
+ const sal_uInt32 nCount = _pParentNode->count();
+ sal_uInt32 i = 0;
+ for(; i < nCount;++i)
+ {
+ if ( _pParentNode->getChild(i) == _pParseNode )
+ break;
+ }
+ nType = ::connectivity::OSQLParser::getFunctionParameterType( pParent->getChild(0)->getTokenID(), i+1);
+ }
+
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), sParameterName));
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(aNewColName,
+ OUString(),
+ OUString(),
+ OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,
+ 0,
+ 0,
+ nType,
+ false,
+ false,
+ isCaseSensitive(),
+ OUString(),
+ OUString(),
+ OUString());
+ pColumn->setName(aNewColName);
+ pColumn->setRealName(sParameterName);
+ m_aParameters->push_back(pColumn);
+ }
+ }
+}
+
+void OSQLParseTreeIterator::traverseOnePredicate(
+ OSQLParseNode const * pColumnRef,
+ OUString& rValue,
+ OSQLParseNode const * pParseNode)
+{
+ if ( !pParseNode )
+ return;
+
+ // Column name (and TableRange):
+ OUString aColumnName, aTableRange, sColumnAlias;
+ getColumnRange( pColumnRef, aColumnName, aTableRange, sColumnAlias);
+
+ OUString aName;
+
+ /*if (SQL_ISRULE(pParseNode,parameter))
+ traverseParameter( pParseNode, pColumnRef, aColumnName, aTableRange, sColumnAlias );
+ else */if (SQL_ISRULE(pParseNode,column_ref))// Column-Name (and TableRange):
+ getColumnRange(pParseNode,aName,rValue);
+ else
+ {
+ traverseSearchCondition(pParseNode);
+ // if (! aIteratorStatus.IsSuccessful()) return;
+ }
+}
+
+
+void OSQLParseTreeIterator::traverseAll()
+{
+ impl_traverse( TraversalParts::All );
+}
+
+
+void OSQLParseTreeIterator::impl_traverse( TraversalParts _nIncludeMask )
+{
+ // resets our errors
+ m_xErrors.reset();
+
+ m_pImpl->m_nIncludeMask = _nIncludeMask;
+
+ if ( !traverseTableNames( *m_pImpl->m_pTables ) )
+ return;
+
+ switch ( m_eStatementType )
+ {
+ case OSQLStatementType::Select:
+ {
+ const OSQLParseNode* pSelectNode = m_pParseTree;
+ traverseParameters( pSelectNode );
+ if ( !traverseSelectColumnNames( pSelectNode )
+ || !traverseOrderByColumnNames( pSelectNode )
+ || !traverseGroupByColumnNames( pSelectNode )
+ || !traverseSelectionCriteria( pSelectNode )
+ )
+ return;
+ }
+ break;
+ case OSQLStatementType::CreateTable:
+ {
+ //0 | 1 | 2 |3| 4 |5
+ //create table sc.foo ( a char(20), b char )
+ const OSQLParseNode* pCreateNode = m_pParseTree->getChild(4);
+ traverseCreateColumns(pCreateNode);
+ }
+ break;
+ case OSQLStatementType::Insert:
+ break;
+ default:
+ break;
+ }
+}
+
+// Dummy implementations
+
+
+OSQLTable OSQLParseTreeIterator::impl_createTableObject( const OUString& rTableName,
+ const OUString& rCatalogName, const OUString& rSchemaName )
+{
+ OSL_PRECOND( m_eStatementType == OSQLStatementType::CreateTable,
+ "OSQLParseTreeIterator::impl_createTableObject: only to be called for CREATE TABLE statements!" );
+ // (in all other cases, m_pTables is to contain the table objects as obtained from the tables
+ // container of the connection (m_xTablesContainer)
+
+ OSQLTable aReturnTable = new OTable(
+ nullptr,
+ false,
+ rTableName,
+ "Table",
+ "New Created Table",
+ rSchemaName,
+ rCatalogName
+ );
+ return aReturnTable;
+}
+
+void OSQLParseTreeIterator::appendColumns(const OUString& _rTableAlias, const OSQLTable& _rTable)
+{
+ if (!_rTable.is())
+ return;
+
+ Reference<XNameAccess> xColumns = _rTable->getColumns();
+ if ( !xColumns.is() )
+ return;
+
+ Sequence< OUString > aColNames = xColumns->getElementNames();
+ const OUString* pBegin = aColNames.getConstArray();
+ const OUString* pEnd = pBegin + aColNames.getLength();
+
+ ::comphelper::UStringMixLess aCompare(isCaseSensitive());
+ std::vector<OUString> aSelectColumnNames = getSelectColumnNames();
+
+ for(;pBegin != pEnd;++pBegin)
+ {
+ OUString aName(getUniqueColumnName(aSelectColumnNames, *pBegin));
+ Reference< XPropertySet > xColumn;
+ if(xColumns->hasByName(*pBegin) && (xColumns->getByName(*pBegin) >>= xColumn) && xColumn.is())
+ {
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(aName
+ , getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPENAME)))
+ , getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DEFAULTVALUE)))
+ , getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DESCRIPTION)))
+ , getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISNULLABLE)))
+ , getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION)))
+ , getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE)))
+ , getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)))
+ , getBOOL(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISAUTOINCREMENT)))
+ , getBOOL(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISCURRENCY)))
+ , isCaseSensitive()
+ , getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_CATALOGNAME)))
+ , getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCHEMANAME)))
+ , getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TABLENAME))));
+
+ pColumn->setTableName(_rTableAlias);
+ pColumn->setRealName(*pBegin);
+ m_aSelectColumns->push_back(pColumn);
+ // update aSelectColumnNames with newly insert aName
+ aSelectColumnNames.insert(std::upper_bound(aSelectColumnNames.begin(), aSelectColumnNames.end(), aName, aCompare), aName);
+ }
+ else
+ impl_appendError( IParseContext::ErrorCode::InvalidColumn, pBegin, &_rTableAlias );
+ }
+}
+
+void OSQLParseTreeIterator::setSelectColumnName(const OUString & rColumnName,const OUString & rColumnAlias, const OUString & rTableRange, bool bFkt, sal_Int32 _nType, bool bAggFkt)
+{
+ if(rColumnName.toChar() == '*' && rTableRange.isEmpty())
+ { // SELECT * ...
+ for (auto const& table : *m_pImpl->m_pTables)
+ appendColumns(table.first, table.second);
+ }
+ else if( rColumnName.toChar() == '*' && !rTableRange.isEmpty() )
+ { // SELECT <table>.*
+ OSQLTables::const_iterator aFind = m_pImpl->m_pTables->find(rTableRange);
+
+ if(aFind != m_pImpl->m_pTables->end())
+ appendColumns(rTableRange, aFind->second);
+ }
+ else if ( rTableRange.isEmpty() )
+ { // SELECT <something> ...
+ // without table specified
+ if ( !bFkt )
+ {
+ Reference< XPropertySet> xNewColumn;
+
+ for (auto const& table : *m_pImpl->m_pTables)
+ {
+ if ( !table.second.is() )
+ continue;
+
+ Reference<XNameAccess> xColumns = table.second->getColumns();
+ Reference< XPropertySet > xColumn;
+ if ( !xColumns->hasByName( rColumnName )
+ || !( xColumns->getByName( rColumnName ) >>= xColumn )
+ )
+ continue;
+
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), rColumnAlias));
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(xColumn,isCaseSensitive());
+ xNewColumn = pColumn;
+ pColumn->setTableName(table.first);
+ pColumn->setName(aNewColName);
+ pColumn->setRealName(rColumnName);
+
+ break;
+ }
+
+ if ( !xNewColumn.is() )
+ {
+ // no function (due to the above !bFkt), no existing column
+ // => assume an expression
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), rColumnAlias));
+ // did not find a column with this name in any of the tables
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(
+ aNewColName,
+ "VARCHAR",
+ // TODO: does this match with _nType?
+ // Or should be fill this from the getTypeInfo of the connection?
+ OUString(),
+ OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,
+ 0,
+ 0,
+ _nType,
+ false,
+ false,
+ isCaseSensitive(),
+ OUString(),
+ OUString(),
+ OUString()
+ );
+
+ xNewColumn = pColumn;
+ pColumn->setRealName( rColumnName );
+ }
+
+ m_aSelectColumns->push_back( xNewColumn );
+ }
+ else
+ {
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), rColumnAlias));
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(aNewColName,OUString(),OUString(),OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,0,0,_nType,false,false,isCaseSensitive(),
+ OUString(),OUString(),OUString());
+ pColumn->setFunction(true);
+ pColumn->setAggregateFunction(bAggFkt);
+ pColumn->setRealName(rColumnName);
+
+ m_aSelectColumns->push_back(pColumn);
+ }
+ }
+ else // ColumnName and TableName exist
+ {
+ OSQLTables::const_iterator aFind = m_pImpl->m_pTables->find(rTableRange);
+
+ bool bError = false;
+ if (aFind != m_pImpl->m_pTables->end() && aFind->second.is())
+ {
+ if (bFkt)
+ {
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), rColumnAlias));
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(aNewColName,OUString(),OUString(),OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,0,0,_nType,false,false,isCaseSensitive(),
+ OUString(),OUString(),OUString());
+ pColumn->setFunction(true);
+ pColumn->setAggregateFunction(bAggFkt);
+ pColumn->setRealName(rColumnName);
+ SAL_WARN("connectivity.parse", "Trying to construct a column with Function==true and a TableName; this makes no sense.");
+ assert(false);
+ pColumn->setTableName(aFind->first);
+
+ m_aSelectColumns->push_back(pColumn);
+ }
+ else
+ {
+ Reference< XPropertySet > xColumn;
+ if (aFind->second->getColumns()->hasByName(rColumnName) && (aFind->second->getColumns()->getByName(rColumnName) >>= xColumn))
+ {
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), rColumnAlias));
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(xColumn,isCaseSensitive());
+ pColumn->setName(aNewColName);
+ pColumn->setRealName(rColumnName);
+ pColumn->setTableName(aFind->first);
+
+ m_aSelectColumns->push_back(pColumn);
+ }
+ else
+ bError = true;
+ }
+ }
+ else
+ bError = true;
+
+ // Table does not exist or lacking field
+ if (bError)
+ {
+ OUString aNewColName(getUniqueColumnName(getSelectColumnNames(), rColumnAlias));
+
+ rtl::Reference<OParseColumn> pColumn = new OParseColumn(aNewColName,OUString(),OUString(),OUString(),
+ ColumnValue::NULLABLE_UNKNOWN,0,0,DataType::VARCHAR,false,false,isCaseSensitive(),
+ OUString(),OUString(),OUString());
+ pColumn->setFunction(true);
+ pColumn->setAggregateFunction(bAggFkt);
+
+ m_aSelectColumns->push_back(pColumn);
+ }
+ }
+}
+
+std::vector<OUString> OSQLParseTreeIterator::getSelectColumnNames() const
+{
+ ::comphelper::UStringMixLess aCompare(isCaseSensitive());
+
+ std::vector<OUString> aColumnNames;
+ OUString sPropertyName = OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME);
+ for (const auto& col : *m_aSelectColumns)
+ aColumnNames.push_back(getString(col->getPropertyValue(sPropertyName)));
+ std::sort(aColumnNames.begin(), aColumnNames.end(), aCompare);
+
+ return aColumnNames;
+}
+
+OUString OSQLParseTreeIterator::getUniqueColumnName(const std::vector<OUString>& rColumnNames, const OUString& rColumnName) const
+{
+ ::comphelper::UStringMixLess aCompare(isCaseSensitive());
+ if (!std::binary_search(rColumnNames.begin(), rColumnNames.end(), rColumnName, aCompare))
+ return rColumnName;
+
+ OUString aAlias;
+ sal_Int32 i=1;
+ do
+ {
+ aAlias = rColumnName + OUString::number(i++);
+ }
+ while (std::binary_search(rColumnNames.begin(), rColumnNames.end(), aAlias, aCompare));
+ return aAlias;
+}
+
+void OSQLParseTreeIterator::setOrderByColumnName(const OUString & rColumnName, OUString & rTableRange, bool bAscending)
+{
+ Reference<XPropertySet> xColumn = findSelectColumn( rColumnName );
+ if ( !xColumn.is() )
+ xColumn = findColumn ( rColumnName, rTableRange, false );
+ if ( xColumn.is() )
+ m_aOrderColumns->push_back(new OOrderColumn( xColumn, rTableRange, isCaseSensitive(), bAscending ) );
+ else
+ {
+ sal_Int32 nId = rColumnName.toInt32();
+ if ( nId > 0 && o3tl::make_unsigned(nId) < m_aSelectColumns->size() )
+ m_aOrderColumns->push_back( new OOrderColumn( (*m_aSelectColumns)[nId-1], isCaseSensitive(), bAscending ) );
+ }
+
+#ifdef SQL_TEST_PARSETREEITERATOR
+ cout << "OSQLParseTreeIterator::setOrderByColumnName: "
+ << (const char *) rColumnName << ", "
+ << (const char *) rTableRange << ", "
+ << (bAscending ? "true" : "false")
+ << "\n";
+#endif
+}
+
+void OSQLParseTreeIterator::setGroupByColumnName(const OUString & rColumnName, OUString & rTableRange)
+{
+ Reference<XPropertySet> xColumn = findColumn( rColumnName, rTableRange, false );
+ if ( xColumn.is() )
+ m_aGroupColumns->push_back(new OParseColumn(xColumn,isCaseSensitive()));
+ else
+ {
+ sal_Int32 nId = rColumnName.toInt32();
+ if ( nId > 0 && o3tl::make_unsigned(nId) < m_aSelectColumns->size() )
+ m_aGroupColumns->push_back(new OParseColumn((*m_aSelectColumns)[nId-1],isCaseSensitive()));
+ }
+
+#ifdef SQL_TEST_PARSETREEITERATOR
+ cout << "OSQLParseTreeIterator::setGroupByColumnName: "
+ << (const char *) rColumnName << ", "
+ << (const char *) rTableRange << ", "
+ << (bAscending ? "true" : "false")
+ << "\n";
+#endif
+}
+
+
+const OSQLParseNode* OSQLParseTreeIterator::getWhereTree() const
+{
+ if (!m_pParseTree)
+ return nullptr;
+
+ // Analyse parse tree (depending on statement type)
+ // and set pointer to WHERE clause:
+ OSQLParseNode * pWhereClause = nullptr;
+ if(getStatementType() == OSQLStatementType::Select)
+ {
+ OSL_ENSURE(m_pParseTree->count() >= 4,"ParseTreeIterator: error in parse tree!");
+ OSQLParseNode * pTableExp = m_pParseTree->getChild(3);
+ OSL_ENSURE(pTableExp != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(SQL_ISRULE(pTableExp,table_exp),"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"OSQLParseTreeIterator: error in parse tree!");
+
+ pWhereClause = pTableExp->getChild(1);
+ }
+ else if (SQL_ISRULE(m_pParseTree,update_statement_searched) ||
+ SQL_ISRULE(m_pParseTree,delete_statement_searched))
+ {
+ pWhereClause = m_pParseTree->getChild(m_pParseTree->count()-1);
+ }
+ if(pWhereClause && pWhereClause->count() != 2)
+ pWhereClause = nullptr;
+ return pWhereClause;
+}
+
+
+const OSQLParseNode* OSQLParseTreeIterator::getOrderTree() const
+{
+ if (!m_pParseTree || getStatementType() != OSQLStatementType::Select)
+ return nullptr;
+
+ // Analyse parse tree (depending on statement type)
+ // and set pointer to ORDER clause:
+
+ assert(SQL_ISRULE(m_pParseTree, select_statement) || SQL_ISRULE(m_pParseTree, union_statement));
+
+ auto pParseTree = m_pParseTree;
+ if(SQL_ISRULE(m_pParseTree, union_statement))
+ {
+ assert(m_pParseTree->count() == 4);
+ pParseTree = pParseTree->getChild(3);
+ // since UNION is left-associative (at least in our grammar),
+ // possibly the left-hand (m_pParseTree->getChild(0)) is a union_statement,
+ // but the right hand cannot.
+ assert(SQL_ISRULE(pParseTree, select_statement));
+ }
+
+ OSQLParseNode * pOrderClause = nullptr;
+ OSL_ENSURE(pParseTree->count() == 4, "OSQLParseTreeIterator::getOrderTree: expected a SELECT, and a SELECT must have exactly four children");
+ OSQLParseNode * pTableExp = pParseTree->getChild(3);
+ OSL_ENSURE(pTableExp != nullptr, "OSQLParseTreeIterator::getOrderTree: got NULL table_exp");
+ OSL_ENSURE(SQL_ISRULE(pTableExp, table_exp), "OSQLParseTreeIterator::getOrderTree: expected table_exp but got something else");
+ OSL_ENSURE(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"OSQLParseTreeIterator::getOrderTree: table_exp doesn't have the expected number of children");
+ // tdf#141115 upgrade the above to an assert;
+ // this cannot go well if there are too few children
+ assert(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT);
+
+ pOrderClause = pTableExp->getChild(ORDER_BY_CHILD_POS);
+ // If it is an order_by, it must not be empty
+ if(pOrderClause->count() != 3)
+ pOrderClause = nullptr;
+ return pOrderClause;
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getGroupByTree() const
+{
+ if (!m_pParseTree || getStatementType() != OSQLStatementType::Select)
+ return nullptr;
+
+ // Analyse parse tree (depending on statement type)
+ // and set pointer to ORDER clause:
+ OSQLParseNode * pGroupClause = nullptr;
+ OSL_ENSURE(m_pParseTree->count() >= 4,"ParseTreeIterator: error in parse tree!");
+ OSQLParseNode * pTableExp = m_pParseTree->getChild(3);
+ OSL_ENSURE(pTableExp != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(SQL_ISRULE(pTableExp,table_exp),"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"OSQLParseTreeIterator: error in parse tree!");
+
+ pGroupClause = pTableExp->getChild(2);
+ // If it is an order_by, it must not be empty
+ if(pGroupClause->count() != 3)
+ pGroupClause = nullptr;
+ return pGroupClause;
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getHavingTree() const
+{
+ if (!m_pParseTree || getStatementType() != OSQLStatementType::Select)
+ return nullptr;
+
+ // Analyse parse tree (depending on statement type)
+ // and set pointer to ORDER clause:
+ OSQLParseNode * pHavingClause = nullptr;
+ OSL_ENSURE(m_pParseTree->count() >= 4,"ParseTreeIterator: error in parse tree!");
+ OSQLParseNode * pTableExp = m_pParseTree->getChild(3);
+ OSL_ENSURE(pTableExp != nullptr,"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(SQL_ISRULE(pTableExp,table_exp),"OSQLParseTreeIterator: error in parse tree!");
+ OSL_ENSURE(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"OSQLParseTreeIterator: error in parse tree!");
+
+ pHavingClause = pTableExp->getChild(3);
+ // If it is an order_by, then it must not be empty
+ if(pHavingClause->count() < 1)
+ pHavingClause = nullptr;
+ return pHavingClause;
+}
+
+bool OSQLParseTreeIterator::isTableNode(const OSQLParseNode* _pTableNode)
+{
+ return _pTableNode && (SQL_ISRULE(_pTableNode,catalog_name) ||
+ SQL_ISRULE(_pTableNode,schema_name) ||
+ SQL_ISRULE(_pTableNode,table_name));
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getSimpleWhereTree() const
+{
+ const OSQLParseNode* pNode = getWhereTree();
+ return pNode ? pNode->getChild(1) : nullptr;
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getSimpleOrderTree() const
+{
+ const OSQLParseNode* pNode = getOrderTree();
+ return pNode ? pNode->getChild(2) : nullptr;
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getSimpleGroupByTree() const
+{
+ const OSQLParseNode* pNode = getGroupByTree();
+ return pNode ? pNode->getChild(2) : nullptr;
+}
+
+const OSQLParseNode* OSQLParseTreeIterator::getSimpleHavingTree() const
+{
+ const OSQLParseNode* pNode = getHavingTree();
+ return pNode ? pNode->getChild(1) : nullptr;
+}
+
+
+Reference< XPropertySet > OSQLParseTreeIterator::findSelectColumn( std::u16string_view rColumnName )
+{
+ for (auto const& lookupColumn : *m_aSelectColumns)
+ {
+ Reference< XPropertySet > xColumn( lookupColumn );
+ try
+ {
+ OUString sName;
+ xColumn->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_NAME ) ) >>= sName;
+ if ( sName == rColumnName )
+ return xColumn;
+ }
+ catch( const Exception& )
+ {
+ DBG_UNHANDLED_EXCEPTION("connectivity.parse");
+ }
+ }
+ return nullptr;
+}
+
+
+Reference< XPropertySet > OSQLParseTreeIterator::findColumn( const OUString & rColumnName, OUString & rTableRange, bool _bLookInSubTables )
+{
+ Reference< XPropertySet > xColumn = findColumn( *m_pImpl->m_pTables, rColumnName, rTableRange );
+ if ( !xColumn.is() && _bLookInSubTables )
+ xColumn = findColumn( *m_pImpl->m_pSubTables, rColumnName, rTableRange );
+ return xColumn;
+}
+
+
+Reference< XPropertySet > OSQLParseTreeIterator::findColumn(const OSQLTables& _rTables, const OUString & rColumnName, OUString & rTableRange)
+{
+ Reference< XPropertySet > xColumn;
+ if ( !rTableRange.isEmpty() )
+ {
+ OSQLTables::const_iterator aFind = _rTables.find(rTableRange);
+
+ if ( aFind != _rTables.end()
+ && aFind->second.is()
+ && aFind->second->getColumns().is()
+ && aFind->second->getColumns()->hasByName(rColumnName) )
+ aFind->second->getColumns()->getByName(rColumnName) >>= xColumn;
+ }
+ if ( !xColumn.is() )
+ {
+ for (auto const& table : _rTables)
+ {
+ if ( table.second.is() )
+ {
+ Reference<XNameAccess> xColumns = table.second->getColumns();
+ if( xColumns.is() && xColumns->hasByName(rColumnName) && (xColumns->getByName(rColumnName) >>= xColumn) )
+ {
+ OSL_ENSURE(xColumn.is(),"Column isn't a propertyset!");
+ // Cannot take "rTableRange = table.first" because that is the fully composed name
+ // that is, catalogName.schemaName.tableName
+ rTableRange = getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TABLENAME)));
+ break; // This column must only exits once
+ }
+ }
+ }
+ }
+ return xColumn;
+}
+
+
+void OSQLParseTreeIterator::impl_appendError( IParseContext::ErrorCode _eError, const OUString* _pReplaceToken1, const OUString* _pReplaceToken2 )
+{
+ OUString sErrorMessage = m_rParser.getContext().getErrorMessage( _eError );
+ if ( _pReplaceToken1 )
+ {
+ bool bTwoTokens = ( _pReplaceToken2 != nullptr );
+ const char* pPlaceHolder1 = bTwoTokens ? "#1" : "#";
+ const OUString sPlaceHolder1 = OUString::createFromAscii( pPlaceHolder1 );
+
+ sErrorMessage = sErrorMessage.replaceFirst( sPlaceHolder1, *_pReplaceToken1 );
+ if ( _pReplaceToken2 )
+ sErrorMessage = sErrorMessage.replaceFirst( "#2" , *_pReplaceToken2 );
+ }
+
+ impl_appendError( SQLException(
+ sErrorMessage, nullptr, getStandardSQLState( StandardSQLState::GENERAL_ERROR ), 1000, Any() ) );
+}
+
+
+void OSQLParseTreeIterator::impl_appendError( const SQLException& _rError )
+{
+ SAL_WARN("connectivity.parse", "Adding error " << exceptionToString(Any(_rError)));
+ if ( m_xErrors )
+ {
+ SQLException* pErrorChain = &*m_xErrors;
+ while ( pErrorChain->NextException.hasValue() )
+ pErrorChain = static_cast< SQLException* >( pErrorChain->NextException.pData );
+ pErrorChain->NextException <<= _rError;
+ }
+ else
+ m_xErrors = _rError;
+}
+
+sal_Int32 OSQLParseTreeIterator::getFunctionReturnType(const OSQLParseNode* _pNode )
+{
+ sal_Int32 nType = DataType::OTHER;
+ OUString sFunctionName;
+ if ( SQL_ISRULE(_pNode,length_exp) )
+ {
+ _pNode->getChild(0)->getChild(0)->parseNodeToStr(sFunctionName, m_pImpl->m_xConnection, nullptr, false, false );
+ nType = ::connectivity::OSQLParser::getFunctionReturnType( sFunctionName, &m_rParser.getContext() );
+ }
+ else if ( SQL_ISRULE(_pNode,num_value_exp) || SQL_ISRULE(_pNode,term) || SQL_ISRULE(_pNode,factor) )
+ {
+ nType = DataType::DOUBLE;
+ }
+ else
+ {
+ _pNode->getChild(0)->parseNodeToStr(sFunctionName, m_pImpl->m_xConnection, nullptr, false, false );
+
+ // MIN and MAX have another return type, we have to check the expression itself.
+ // @see http://qa.openoffice.org/issues/show_bug.cgi?id=99566
+ if ( SQL_ISRULE(_pNode,general_set_fct) && (SQL_ISTOKEN(_pNode->getChild(0),MIN) || SQL_ISTOKEN(_pNode->getChild(0),MAX) ))
+ {
+ const OSQLParseNode* pValueExp = _pNode->getChild(3);
+ if (SQL_ISRULE(pValueExp,column_ref))
+ {
+ OUString sColumnName;
+ OUString aTableRange;
+ getColumnRange(pValueExp,sColumnName,aTableRange);
+ OSL_ENSURE(!sColumnName.isEmpty(),"Columnname must not be empty!");
+ Reference<XPropertySet> xColumn = findColumn( sColumnName, aTableRange, true );
+
+ if ( xColumn.is() )
+ {
+ xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_TYPE)) >>= nType;
+ }
+ }
+ else
+ {
+ if ( SQL_ISRULE(pValueExp,num_value_exp) || SQL_ISRULE(pValueExp,term) || SQL_ISRULE(pValueExp,factor) )
+ {
+ nType = DataType::DOUBLE;
+ }
+ else if ( SQL_ISRULE(pValueExp,datetime_primary) )
+ {
+ switch(pValueExp->getChild(0)->getTokenID() )
+ {
+ case SQL_TOKEN_CURRENT_DATE:
+ nType = DataType::DATE;
+ break;
+ case SQL_TOKEN_CURRENT_TIME:
+ nType = DataType::TIME;
+ break;
+ case SQL_TOKEN_CURRENT_TIMESTAMP:
+ nType = DataType::TIMESTAMP;
+ break;
+ }
+ }
+ else if ( SQL_ISRULE(pValueExp,value_exp_primary) )
+ {
+ nType = getFunctionReturnType(pValueExp->getChild(1));
+ }
+ else if ( SQL_ISRULE(pValueExp,concatenation)
+ || SQL_ISRULE(pValueExp,char_factor)
+ || SQL_ISRULE(pValueExp,bit_value_fct)
+ || SQL_ISRULE(pValueExp,char_value_fct)
+ || SQL_ISRULE(pValueExp,char_substring_fct)
+ || SQL_ISRULE(pValueExp,fold)
+ || SQL_ISTOKEN(pValueExp,STRING) )
+ {
+ nType = DataType::VARCHAR;
+ }
+ }
+ if ( nType == DataType::OTHER )
+ nType = DataType::DOUBLE;
+ }
+ else
+ nType = ::connectivity::OSQLParser::getFunctionReturnType( sFunctionName, &m_rParser.getContext() );
+ }
+
+ return nType;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 20:04:55 +0000