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|
/* -*- 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.
*
************************************************************************/
#include "file/fcomp.hxx"
#include <tools/debug.hxx>
#include "TConnection.hxx"
#include "connectivity/sqlparse.hxx"
#include "file/fanalyzer.hxx"
#include <com/sun/star/sdbc/XColumnLocate.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/util/Time.hpp>
#include "connectivity/dbexception.hxx"
#include "connectivity/dbconversion.hxx"
#include <com/sun/star/sdb/SQLFilterOperator.hpp>
#include "resource/file_res.hrc"
#include "file/FStringFunctions.hxx"
#include "file/FDateFunctions.hxx"
#include "file/FNumericFunctions.hxx"
#include "file/FConnection.hxx"
#include <com/sun/star/sdb/SQLFilterOperator.hpp>
using namespace connectivity;
using namespace connectivity::file;
using namespace com::sun::star::uno;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::sdb;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::util;
DBG_NAME(OPredicateCompiler)
//------------------------------------------------------------------
OPredicateCompiler::OPredicateCompiler(OSQLAnalyzer* pAnalyzer)//,OCursor& rCurs)
: m_pAnalyzer(pAnalyzer)
, m_nParamCounter(0)
, m_bORCondition(sal_False)
{
DBG_CTOR(OPredicateCompiler,NULL);
}
//------------------------------------------------------------------
OPredicateCompiler::~OPredicateCompiler()
{
Clean();
DBG_DTOR(OPredicateCompiler,NULL);
}
// -----------------------------------------------------------------------------
void OPredicateCompiler::dispose()
{
Clean();
m_orgColumns = NULL;
m_xIndexes.clear();
}
void OPredicateCompiler::start(OSQLParseNode* pSQLParseNode)
{
if (!pSQLParseNode)
return;
m_nParamCounter = 0;
// analyse Parse Tree (depending on Statement-type)
// and set pointer on WHERE-clause:
OSQLParseNode * pWhereClause = NULL;
OSQLParseNode * pOrderbyClause = NULL;
if (SQL_ISRULE(pSQLParseNode,select_statement))
{
DBG_ASSERT(pSQLParseNode->count() >= 4,"OFILECursor: Fehler im Parse Tree");
OSQLParseNode * pTableExp = pSQLParseNode->getChild(3);
DBG_ASSERT(pTableExp != NULL,"Fehler im Parse Tree");
DBG_ASSERT(SQL_ISRULE(pTableExp,table_exp)," Fehler im Parse Tree");
DBG_ASSERT(pTableExp->count() == TABLE_EXPRESSION_CHILD_COUNT,"Fehler im Parse Tree");
// check that we don't use anything other than count(*) as function
OSQLParseNode* pSelection = pSQLParseNode->getChild(2);
if ( SQL_ISRULE(pSelection,scalar_exp_commalist) )
{
for (sal_uInt32 i = 0; i < pSelection->count(); i++)
{
OSQLParseNode *pColumnRef = pSelection->getChild(i)->getChild(0);
if ( SQL_ISRULE(pColumnRef,general_set_fct) && pColumnRef->count() != 4 )
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_COMPLEX_COUNT,NULL);
}
}
}
pWhereClause = pTableExp->getChild(1);
pOrderbyClause = pTableExp->getChild(ORDER_BY_CHILD_POS);
(void)pOrderbyClause;
}
else if (SQL_ISRULE(pSQLParseNode,update_statement_searched))
{
DBG_ASSERT(pSQLParseNode->count() == 5,"OFILECursor: Fehler im Parse Tree");
pWhereClause = pSQLParseNode->getChild(4);
}
else if (SQL_ISRULE(pSQLParseNode,delete_statement_searched))
{
DBG_ASSERT(pSQLParseNode->count() == 4,"Fehler im Parse Tree");
pWhereClause = pSQLParseNode->getChild(3);
}
else
// Other Statement. no selection-criteria
return;
if (SQL_ISRULE(pWhereClause,where_clause))
{
// a where-clause is not allowed to be empty:
DBG_ASSERT(pWhereClause->count() == 2,"OFILECursor: Fehler im Parse Tree");
OSQLParseNode * pComparisonPredicate = pWhereClause->getChild(1);
DBG_ASSERT(pComparisonPredicate != NULL,"OFILECursor: Fehler im Parse Tree");
execute( pComparisonPredicate );
}
else
{
// The where-clause is optionally in the majority of cases, i.e. it might be an "optional-where-clause".
DBG_ASSERT(SQL_ISRULE(pWhereClause,opt_where_clause),"OPredicateCompiler: Fehler im Parse Tree");
}
}
//------------------------------------------------------------------
OOperand* OPredicateCompiler::execute(OSQLParseNode* pPredicateNode)
{
OOperand* pOperand = NULL;
if (pPredicateNode->count() == 3 && // Expression is bracketed
SQL_ISPUNCTUATION(pPredicateNode->getChild(0),"(") &&
SQL_ISPUNCTUATION(pPredicateNode->getChild(2),")"))
{
execute(pPredicateNode->getChild(1));
}
else if ((SQL_ISRULE(pPredicateNode,search_condition) || (SQL_ISRULE(pPredicateNode,boolean_term)))
&& // AND/OR-linkage:
pPredicateNode->count() == 3)
{
execute(pPredicateNode->getChild(0)); // process the left branch
execute(pPredicateNode->getChild(2)); // process the right branch
if (SQL_ISTOKEN(pPredicateNode->getChild(1),OR)) // OR-Operator
{
m_aCodeList.push_back(new OOp_OR());
m_bORCondition = sal_True;
}
else if (SQL_ISTOKEN(pPredicateNode->getChild(1),AND)) // AND-Operator
m_aCodeList.push_back(new OOp_AND());
else
{
OSL_FAIL("OPredicateCompiler: Fehler im Parse Tree");
}
}
else if (SQL_ISRULE(pPredicateNode,boolean_factor))
{
execute(pPredicateNode->getChild(1));
m_aCodeList.push_back(new OOp_NOT());
}
else if (SQL_ISRULE(pPredicateNode,comparison_predicate))
{
execute_COMPARE(pPredicateNode);
}
else if (SQL_ISRULE(pPredicateNode,like_predicate))
{
execute_LIKE(pPredicateNode);
}
else if (SQL_ISRULE(pPredicateNode,between_predicate))
{
execute_BETWEEN(pPredicateNode);
}
else if (SQL_ISRULE(pPredicateNode,test_for_null))
{
execute_ISNULL(pPredicateNode);
}
else if(SQL_ISRULE(pPredicateNode,num_value_exp))
{
execute(pPredicateNode->getChild(0)); // process the left branch
execute(pPredicateNode->getChild(2)); // process the right branch
if (SQL_ISPUNCTUATION(pPredicateNode->getChild(1),"+"))
{
m_aCodeList.push_back(new OOp_ADD());
}
else if (SQL_ISPUNCTUATION(pPredicateNode->getChild(1),"-"))
m_aCodeList.push_back(new OOp_SUB());
else
{
OSL_FAIL("OPredicateCompiler: Fehler im Parse Tree num_value_exp");
}
}
else if(SQL_ISRULE(pPredicateNode,term))
{
execute(pPredicateNode->getChild(0)); // process the left branch
execute(pPredicateNode->getChild(2)); // process the right branch
if (SQL_ISPUNCTUATION(pPredicateNode->getChild(1),"*"))
{
m_aCodeList.push_back(new OOp_MUL());
}
else if (SQL_ISPUNCTUATION(pPredicateNode->getChild(1),"/"))
m_aCodeList.push_back(new OOp_DIV());
else
{
OSL_FAIL("OPredicateCompiler: Fehler im Parse Tree num_value_exp");
}
}
else
pOperand = execute_Operand(pPredicateNode); // now only simple operands will be processed
return pOperand;
}
//------------------------------------------------------------------
OOperand* OPredicateCompiler::execute_COMPARE(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
DBG_ASSERT(pPredicateNode->count() == 3,"OFILECursor: Fehler im Parse Tree");
if ( !(SQL_ISRULE(pPredicateNode->getChild(0),column_ref) ||
pPredicateNode->getChild(2)->getNodeType() == SQL_NODE_STRING ||
pPredicateNode->getChild(2)->getNodeType() == SQL_NODE_INTNUM ||
pPredicateNode->getChild(2)->getNodeType() == SQL_NODE_APPROXNUM ||
SQL_ISTOKEN(pPredicateNode->getChild(2),TRUE) ||
SQL_ISTOKEN(pPredicateNode->getChild(2),FALSE) ||
SQL_ISRULE(pPredicateNode->getChild(2),parameter) ||
// odbc date
SQL_ISRULE(pPredicateNode->getChild(2),set_fct_spec) ||
SQL_ISRULE(pPredicateNode->getChild(2),position_exp) ||
SQL_ISRULE(pPredicateNode->getChild(2),char_substring_fct) ||
// upper, lower etc.
SQL_ISRULE(pPredicateNode->getChild(2),fold)) )
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_TOO_COMPLEX,NULL);
return NULL;
}
sal_Int32 ePredicateType( SQLFilterOperator::EQUAL );
OSQLParseNode *pPrec = pPredicateNode->getChild(1);
if (pPrec->getNodeType() == SQL_NODE_EQUAL)
ePredicateType = SQLFilterOperator::EQUAL;
else if (pPrec->getNodeType() == SQL_NODE_NOTEQUAL)
ePredicateType = SQLFilterOperator::NOT_EQUAL;
else if (pPrec->getNodeType() == SQL_NODE_LESS)
ePredicateType = SQLFilterOperator::LESS;
else if (pPrec->getNodeType() == SQL_NODE_LESSEQ)
ePredicateType = SQLFilterOperator::LESS_EQUAL;
else if (pPrec->getNodeType() == SQL_NODE_GREATEQ)
ePredicateType = SQLFilterOperator::GREATER_EQUAL;
else if (pPrec->getNodeType() == SQL_NODE_GREAT)
ePredicateType = SQLFilterOperator::GREATER;
else
OSL_FAIL( "OPredicateCompiler::execute_COMPARE: unexpected node type!" );
execute(pPredicateNode->getChild(0));
execute(pPredicateNode->getChild(2));
m_aCodeList.push_back( new OOp_COMPARE(ePredicateType) );
return NULL;
}
//------------------------------------------------------------------
OOperand* OPredicateCompiler::execute_LIKE(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
DBG_ASSERT(pPredicateNode->count() == 2,"OFILECursor: Fehler im Parse Tree");
const OSQLParseNode* pPart2 = pPredicateNode->getChild(1);
sal_Unicode cEscape = L'\0';
const bool bNotLike = pPart2->getChild(0)->isToken();
OSQLParseNode* pAtom = pPart2->getChild(pPart2->count()-2);
OSQLParseNode* pOptEscape = pPart2->getChild(pPart2->count()-1);
if (!(pAtom->getNodeType() == SQL_NODE_STRING ||
SQL_ISRULE(pAtom,parameter) ||
// odbc date
SQL_ISRULE(pAtom,set_fct_spec) ||
SQL_ISRULE(pAtom,position_exp) ||
SQL_ISRULE(pAtom,char_substring_fct) ||
// upper, lower etc.
SQL_ISRULE(pAtom,fold)) )
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_TOO_COMPLEX,NULL);
return NULL;
}
if (pOptEscape->count() != 0)
{
if (pOptEscape->count() != 2)
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_INVALID_LIKE_STRING,NULL);
}
OSQLParseNode *pEscNode = pOptEscape->getChild(1);
if (pEscNode->getNodeType() != SQL_NODE_STRING)
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_INVALID_LIKE_STRING,NULL);
}
else
cEscape = pEscNode->getTokenValue().toChar();
}
execute(pPredicateNode->getChild(0));
execute(pAtom);
OBoolOperator* pOperator = bNotLike
? new OOp_NOTLIKE(cEscape)
: new OOp_LIKE(cEscape);
m_aCodeList.push_back(pOperator);
return NULL;
}
//------------------------------------------------------------------
OOperand* OPredicateCompiler::execute_BETWEEN(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
DBG_ASSERT(pPredicateNode->count() == 2,"OFILECursor: Fehler im Parse Tree");
OSQLParseNode* pColumn = pPredicateNode->getChild(0);
const OSQLParseNode* pPart2 = pPredicateNode->getChild(1);
OSQLParseNode* p1stValue = pPart2->getChild(2);
OSQLParseNode* p2ndtValue = pPart2->getChild(4);
if (
!(p1stValue->getNodeType() == SQL_NODE_STRING || SQL_ISRULE(p1stValue,parameter))
&& !(p2ndtValue->getNodeType() == SQL_NODE_STRING || SQL_ISRULE(p2ndtValue,parameter))
)
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_INVALID_BETWEEN,NULL);
}
sal_Bool bNot = SQL_ISTOKEN(pPart2->getChild(0),NOT);
OOperand* pColumnOp = execute(pColumn);
OOperand* pOb1 = execute(p1stValue);
OBoolOperator* pOperator = new OOp_COMPARE(bNot ? SQLFilterOperator::LESS_EQUAL : SQLFilterOperator::GREATER);
m_aCodeList.push_back(pOperator);
execute(pColumn);
OOperand* pOb2 = execute(p2ndtValue);
pOperator = new OOp_COMPARE(bNot ? SQLFilterOperator::GREATER_EQUAL : SQLFilterOperator::LESS);
m_aCodeList.push_back(pOperator);
if ( pColumnOp && pOb1 && pOb2 )
{
switch(pColumnOp->getDBType())
{
case DataType::CHAR:
case DataType::VARCHAR:
case DataType::LONGVARCHAR:
pOb1->setValue(pOb1->getValue().getString());
pOb2->setValue(pOb2->getValue().getString());
break;
case DataType::DECIMAL:
case DataType::NUMERIC:
pOb1->setValue((double)pOb1->getValue());
pOb2->setValue((double)pOb2->getValue());
break;
case DataType::FLOAT:
pOb1->setValue((float)pOb1->getValue());
pOb2->setValue((float)pOb2->getValue());
break;
case DataType::DOUBLE:
case DataType::REAL:
pOb1->setValue((double)pOb1->getValue());
pOb2->setValue((double)pOb2->getValue());
break;
case DataType::DATE:
pOb1->setValue((Date)pOb1->getValue());
pOb2->setValue((Date)pOb2->getValue());
break;
case DataType::TIME:
pOb1->setValue((Time)pOb1->getValue());
pOb2->setValue((Time)pOb2->getValue());
break;
case DataType::TIMESTAMP:
pOb1->setValue((DateTime)pOb1->getValue());
pOb2->setValue((DateTime)pOb2->getValue());
break;
}
}
OBoolOperator* pBoolOp = NULL;
if ( bNot )
pBoolOp = new OOp_OR();
else
pBoolOp = new OOp_AND();
m_aCodeList.push_back(pBoolOp);
return NULL;
}
//------------------------------------------------------------------
OOperand* OPredicateCompiler::execute_ISNULL(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
DBG_ASSERT(pPredicateNode->count() == 2,"OFILECursor: Fehler im Parse Tree");
const OSQLParseNode* pPart2 = pPredicateNode->getChild(1);
DBG_ASSERT(SQL_ISTOKEN(pPart2->getChild(0),IS),"OFILECursor: Fehler im Parse Tree");
sal_Int32 ePredicateType;
if (SQL_ISTOKEN(pPart2->getChild(1),NOT))
ePredicateType = SQLFilterOperator::NOT_SQLNULL;
else
ePredicateType = SQLFilterOperator::SQLNULL;
execute(pPredicateNode->getChild(0));
OBoolOperator* pOperator = (ePredicateType == SQLFilterOperator::SQLNULL) ?
new OOp_ISNULL() : new OOp_ISNOTNULL();
m_aCodeList.push_back(pOperator);
return NULL;
}
//------------------------------------------------------------------
OOperand* OPredicateCompiler::execute_Operand(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
OOperand* pOperand = NULL;
if (SQL_ISRULE(pPredicateNode,column_ref))
{
::rtl::OUString aColumnName;
if (pPredicateNode->count() == 1)
{
aColumnName = pPredicateNode->getChild(0)->getTokenValue();
}
else if (pPredicateNode->count() == 3)
{
::rtl::OUString aTableName = pPredicateNode->getChild(0)->getTokenValue();
if(SQL_ISRULE(pPredicateNode->getChild(2),column_val))
aColumnName = pPredicateNode->getChild(2)->getChild(0)->getTokenValue();
else
aColumnName = pPredicateNode->getChild(2)->getTokenValue();
}
if(!m_orgColumns->hasByName(aColumnName))
{
const ::rtl::OUString sError( m_pAnalyzer->getConnection()->getResources().getResourceStringWithSubstitution(
STR_INVALID_COLUMNNAME,
"$columnname$", aColumnName
) );
::dbtools::throwGenericSQLException( sError, NULL );
}
::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet> xCol;
try
{
if (m_orgColumns->getByName(aColumnName) >>= xCol)
{
pOperand = m_pAnalyzer->createOperandAttr(Reference< XColumnLocate>(m_orgColumns,UNO_QUERY)->findColumn(aColumnName),xCol,m_xIndexes);
}
else
{// Column doesn't exist in the Result-set
const ::rtl::OUString sError( m_pAnalyzer->getConnection()->getResources().getResourceStringWithSubstitution(
STR_INVALID_COLUMNNAME,
"$columnname$", aColumnName
) );
::dbtools::throwGenericSQLException( sError, NULL );
}
}
catch(Exception &)
{
OSL_FAIL("OPredicateCompiler::execute_Operand Exception");
}
}
else if (SQL_ISRULE(pPredicateNode,parameter))
{
pOperand = new OOperandParam(pPredicateNode, ++m_nParamCounter);
}
else if (pPredicateNode->getNodeType() == SQL_NODE_STRING ||
pPredicateNode->getNodeType() == SQL_NODE_INTNUM ||
pPredicateNode->getNodeType() == SQL_NODE_APPROXNUM ||
pPredicateNode->getNodeType() == SQL_NODE_NAME ||
SQL_ISTOKEN(pPredicateNode,TRUE) ||
SQL_ISTOKEN(pPredicateNode,FALSE) ||
SQL_ISRULE(pPredicateNode,parameter))
{
pOperand = new OOperandConst(*pPredicateNode, pPredicateNode->getTokenValue());
}
else if((pPredicateNode->count() == 2) &&
(SQL_ISPUNCTUATION(pPredicateNode->getChild(0),"+") || SQL_ISPUNCTUATION(pPredicateNode->getChild(0),"-")) &&
pPredicateNode->getChild(1)->getNodeType() == SQL_NODE_INTNUM)
{ // if -1 or +1 is there
::rtl::OUString aValue(pPredicateNode->getChild(0)->getTokenValue());
aValue += pPredicateNode->getChild(1)->getTokenValue();
pOperand = new OOperandConst(*pPredicateNode->getChild(1), aValue);
}
else if( SQL_ISRULE(pPredicateNode,set_fct_spec) && SQL_ISPUNCTUATION(pPredicateNode->getChild(0),"{") )
{
const OSQLParseNode* pODBCNode = pPredicateNode->getChild(1);
const OSQLParseNode* pODBCNodeChild = pODBCNode->getChild(0);
// Odbc Date or time
if (pODBCNodeChild->getNodeType() == SQL_NODE_KEYWORD && (
SQL_ISTOKEN(pODBCNodeChild,D) ||
SQL_ISTOKEN(pODBCNodeChild,T) ||
SQL_ISTOKEN(pODBCNodeChild,TS) ))
{
::rtl::OUString sDateTime = pODBCNode->getChild(1)->getTokenValue();
pOperand = new OOperandConst(*pODBCNode->getChild(1), sDateTime);
if(SQL_ISTOKEN(pODBCNodeChild,D))
{
pOperand->setValue(::dbtools::DBTypeConversion::toDouble(::dbtools::DBTypeConversion::toDate(sDateTime)));
}
else if(SQL_ISTOKEN(pODBCNodeChild,T))
{
pOperand->setValue(::dbtools::DBTypeConversion::toDouble(::dbtools::DBTypeConversion::toTime(sDateTime)));
}
else if(SQL_ISTOKEN(pODBCNodeChild,TS))
{
pOperand->setValue(::dbtools::DBTypeConversion::toDouble(::dbtools::DBTypeConversion::toDateTime(sDateTime)));
}
}
else
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_TOO_COMPLEX,NULL);
}
else if( SQL_ISRULE(pPredicateNode,fold) )
{
execute_Fold(pPredicateNode);
}
else if( SQL_ISRULE(pPredicateNode,set_fct_spec)
|| SQL_ISRULE(pPredicateNode,position_exp)
|| SQL_ISRULE(pPredicateNode,char_substring_fct)
)
{
executeFunction(pPredicateNode);
}
else if( SQL_ISRULE(pPredicateNode,length_exp) )
{
executeFunction(pPredicateNode->getChild(0));
}
else
{
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_TOO_COMPLEX,NULL);
}
if (pOperand)
m_aCodeList.push_back(pOperand);
return pOperand;
}
////////////////////////////////////////////////////////////////////////////////////////
sal_Bool OPredicateInterpreter::evaluate(OCodeList& rCodeList)
{
static sal_Bool bResult;
OCodeList::iterator aIter = rCodeList.begin();
if (!(*aIter))
return sal_True; // no Predicate
for(;aIter != rCodeList.end();++aIter)
{
OOperand* pOperand = PTR_CAST(OOperand,(*aIter));
if (pOperand)
m_aStack.push(pOperand);
else
((OOperator *)(*aIter))->Exec(m_aStack);
}
OOperand* pOperand = m_aStack.top();
m_aStack.pop();
DBG_ASSERT(m_aStack.size() == 0, "StackFehler");
DBG_ASSERT(pOperand, "StackFehler");
bResult = pOperand->isValid();
if (IS_TYPE(OOperandResult,pOperand))
delete pOperand;
return bResult;
}
// -----------------------------------------------------------------------------
void OPredicateInterpreter::evaluateSelection(OCodeList& rCodeList,ORowSetValueDecoratorRef& _rVal)
{
OCodeList::iterator aIter = rCodeList.begin();
if (!(*aIter))
return ; // no Predicate
for(;aIter != rCodeList.end();++aIter)
{
OOperand* pOperand = PTR_CAST(OOperand,(*aIter));
if (pOperand)
m_aStack.push(pOperand);
else
((OOperator *)(*aIter))->Exec(m_aStack);
}
OOperand* pOperand = m_aStack.top();
m_aStack.pop();
DBG_ASSERT(m_aStack.size() == 0, "StackFehler");
DBG_ASSERT(pOperand, "StackFehler");
(*_rVal) = pOperand->getValue();
if (IS_TYPE(OOperandResult,pOperand))
delete pOperand;
}
// -----------------------------------------------------------------------------
OOperand* OPredicateCompiler::execute_Fold(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
DBG_ASSERT(pPredicateNode->count() >= 4,"OFILECursor: Fehler im Parse Tree");
sal_Bool bUpper = SQL_ISTOKEN(pPredicateNode->getChild(0),UPPER);
execute(pPredicateNode->getChild(2));
OOperator* pOperator = NULL;
if ( bUpper )
pOperator = new OOp_Upper();
else
pOperator = new OOp_Lower();
m_aCodeList.push_back(pOperator);
return NULL;
}
// -----------------------------------------------------------------------------
OOperand* OPredicateCompiler::executeFunction(OSQLParseNode* pPredicateNode) throw(SQLException, RuntimeException)
{
OOperator* pOperator = NULL;
OSL_ENSURE(pPredicateNode->getChild(0)->isToken(),"The first one must be the name of the function!");
sal_Int32 nTokenId = pPredicateNode->getChild(0)->getTokenID();
switch ( nTokenId )
{
case SQL_TOKEN_CHAR_LENGTH:
case SQL_TOKEN_LENGTH:
case SQL_TOKEN_OCTET_LENGTH:
case SQL_TOKEN_ASCII:
case SQL_TOKEN_LCASE:
case SQL_TOKEN_LTRIM:
case SQL_TOKEN_RTRIM:
case SQL_TOKEN_SPACE:
case SQL_TOKEN_UCASE:
case SQL_TOKEN_ABS:
case SQL_TOKEN_ACOS:
case SQL_TOKEN_ASIN:
case SQL_TOKEN_ATAN:
case SQL_TOKEN_CEILING:
case SQL_TOKEN_COS:
case SQL_TOKEN_DEGREES:
case SQL_TOKEN_EXP:
case SQL_TOKEN_FLOOR:
case SQL_TOKEN_LOG10:
case SQL_TOKEN_LN:
case SQL_TOKEN_RADIANS:
case SQL_TOKEN_SIGN:
case SQL_TOKEN_SIN:
case SQL_TOKEN_SQRT:
case SQL_TOKEN_TAN:
case SQL_TOKEN_DAYNAME:
case SQL_TOKEN_DAYOFMONTH:
case SQL_TOKEN_DAYOFWEEK:
case SQL_TOKEN_DAYOFYEAR:
case SQL_TOKEN_HOUR:
case SQL_TOKEN_MINUTE:
case SQL_TOKEN_MONTH:
case SQL_TOKEN_MONTHNAME:
case SQL_TOKEN_QUARTER:
case SQL_TOKEN_SECOND:
case SQL_TOKEN_YEAR:
execute(pPredicateNode->getChild(2));
switch( nTokenId )
{
case SQL_TOKEN_CHAR_LENGTH:
case SQL_TOKEN_LENGTH:
case SQL_TOKEN_OCTET_LENGTH:
pOperator = new OOp_CharLength();
break;
case SQL_TOKEN_ASCII:
pOperator = new OOp_Ascii();
break;
case SQL_TOKEN_LCASE:
pOperator = new OOp_Lower();
break;
case SQL_TOKEN_LTRIM:
pOperator = new OOp_LTrim();
break;
case SQL_TOKEN_RTRIM:
pOperator = new OOp_RTrim();
break;
case SQL_TOKEN_SPACE:
pOperator = new OOp_Space();
break;
case SQL_TOKEN_UCASE:
pOperator = new OOp_Upper();
break;
case SQL_TOKEN_ABS:
pOperator = new OOp_Abs();
break;
case SQL_TOKEN_ACOS:
pOperator = new OOp_ACos();
break;
case SQL_TOKEN_ASIN:
pOperator = new OOp_ASin();
break;
case SQL_TOKEN_ATAN:
pOperator = new OOp_ATan();
break;
case SQL_TOKEN_CEILING:
pOperator = new OOp_Ceiling();
break;
case SQL_TOKEN_COS:
pOperator = new OOp_Cos();
break;
case SQL_TOKEN_DEGREES:
pOperator = new OOp_Degrees();
break;
case SQL_TOKEN_EXP:
pOperator = new OOp_Exp();
break;
case SQL_TOKEN_FLOOR:
pOperator = new OOp_Floor();
break;
case SQL_TOKEN_LOG10:
pOperator = new OOp_Log10();
break;
case SQL_TOKEN_LN:
pOperator = new OOp_Ln();
break;
case SQL_TOKEN_RADIANS:
pOperator = new OOp_Radians();
break;
case SQL_TOKEN_SIGN:
pOperator = new OOp_Sign();
break;
case SQL_TOKEN_SIN:
pOperator = new OOp_Sin();
break;
case SQL_TOKEN_SQRT:
pOperator = new OOp_Sqrt();
break;
case SQL_TOKEN_TAN:
pOperator = new OOp_Tan();
break;
case SQL_TOKEN_DAYOFWEEK:
pOperator = new OOp_DayOfWeek();
break;
case SQL_TOKEN_DAYOFMONTH:
pOperator = new OOp_DayOfMonth();
break;
case SQL_TOKEN_DAYOFYEAR:
pOperator = new OOp_DayOfYear();
break;
case SQL_TOKEN_MONTH:
pOperator = new OOp_Month();
break;
case SQL_TOKEN_DAYNAME:
pOperator = new OOp_DayName();
break;
case SQL_TOKEN_MONTHNAME:
pOperator = new OOp_MonthName();
break;
case SQL_TOKEN_QUARTER:
pOperator = new OOp_Quarter();
break;
case SQL_TOKEN_YEAR:
pOperator = new OOp_Year();
break;
case SQL_TOKEN_HOUR:
pOperator = new OOp_Hour();
break;
case SQL_TOKEN_MINUTE:
pOperator = new OOp_Minute();
break;
case SQL_TOKEN_SECOND:
pOperator = new OOp_Second();
break;
default:
OSL_FAIL("Error in switch!");
}
break;
case SQL_TOKEN_CHAR:
case SQL_TOKEN_CONCAT:
case SQL_TOKEN_INSERT:
case SQL_TOKEN_LEFT:
case SQL_TOKEN_LOCATE:
case SQL_TOKEN_LOCATE_2:
case SQL_TOKEN_REPEAT:
case SQL_TOKEN_REPLACE:
case SQL_TOKEN_RIGHT:
case SQL_TOKEN_MOD:
case SQL_TOKEN_ROUND:
case SQL_TOKEN_LOGF:
case SQL_TOKEN_LOG:
case SQL_TOKEN_POWER:
case SQL_TOKEN_ATAN2:
case SQL_TOKEN_PI:
case SQL_TOKEN_CURDATE:
case SQL_TOKEN_CURTIME:
case SQL_TOKEN_NOW:
case SQL_TOKEN_WEEK:
{
m_aCodeList.push_back(new OStopOperand);
OSQLParseNode* pList = pPredicateNode->getChild(2);
for (sal_uInt32 i=0; i < pList->count(); ++i)
execute(pList->getChild(i));
switch( nTokenId )
{
case SQL_TOKEN_CHAR:
pOperator = new OOp_Char();
break;
case SQL_TOKEN_CONCAT:
pOperator = new OOp_Concat();
break;
case SQL_TOKEN_INSERT:
pOperator = new OOp_Insert();
break;
case SQL_TOKEN_LEFT:
pOperator = new OOp_Left();
break;
case SQL_TOKEN_LOCATE:
case SQL_TOKEN_LOCATE_2:
pOperator = new OOp_Locate();
break;
case SQL_TOKEN_REPEAT:
pOperator = new OOp_Repeat();
break;
case SQL_TOKEN_REPLACE:
pOperator = new OOp_Replace();
break;
case SQL_TOKEN_RIGHT:
pOperator = new OOp_Right();
break;
case SQL_TOKEN_MOD:
pOperator = new OOp_Mod();
break;
case SQL_TOKEN_ROUND:
pOperator = new OOp_Round();
break;
case SQL_TOKEN_LOGF:
case SQL_TOKEN_LOG:
pOperator = new OOp_Log();
break;
case SQL_TOKEN_POWER:
pOperator = new OOp_Pow();
break;
case SQL_TOKEN_ATAN2:
pOperator = new OOp_ATan2();
break;
case SQL_TOKEN_PI:
pOperator = new OOp_Pi();
break;
case SQL_TOKEN_CURDATE:
pOperator = new OOp_CurDate();
break;
case SQL_TOKEN_CURTIME:
pOperator = new OOp_CurTime();
break;
case SQL_TOKEN_NOW:
pOperator = new OOp_Now();
break;
case SQL_TOKEN_WEEK:
pOperator = new OOp_Week();
break;
default:
OSL_FAIL("Error in switch!");
}
}
break;
case SQL_TOKEN_SUBSTRING:
m_aCodeList.push_back(new OStopOperand);
if ( pPredicateNode->count() == 4 ) //char_substring_fct
{
OSQLParseNode* pList = pPredicateNode->getChild(2);
for (sal_uInt32 i=0; i < pList->count(); ++i)
execute(pList->getChild(i));
}
else
{
execute(pPredicateNode->getChild(2));
execute(pPredicateNode->getChild(4));
execute(pPredicateNode->getChild(5)->getChild(1));
}
pOperator = new OOp_SubString();
break;
case SQL_TOKEN_POSITION:
m_aCodeList.push_back(new OStopOperand);
if ( pPredicateNode->count() == 4 ) //position_exp
{
OSQLParseNode* pList = pPredicateNode->getChild(2);
for (sal_uInt32 i=0; i < pList->count(); ++i)
execute(pList->getChild(i));
}
else
{
execute(pPredicateNode->getChild(2));
execute(pPredicateNode->getChild(4));
}
pOperator = new OOp_Locate();
break;
default:
m_pAnalyzer->getConnection()->throwGenericSQLException(STR_QUERY_FUNCTION_NOT_SUPPORTED,NULL);
}
m_aCodeList.push_back(pOperator);
return NULL;
}
// -----------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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