mirror of
https://github.com/FirebirdSQL/firebird.git
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213 lines
6.7 KiB
C
213 lines
6.7 KiB
C
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/*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Adriano dos Santos Fernandes
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2010 Adriano dos Santos Fernandes <adrianosf@gmail.com>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef DSQL_BOOL_NODES_H
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#define DSQL_BOOL_NODES_H
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#include "../jrd/common.h"
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#include "../jrd/blr.h"
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#include "../dsql/Nodes.h"
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namespace Jrd {
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class RecordSource;
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class BinaryBoolNode : public TypedNode<BoolExprNode, ExprNode::TYPE_BINARY_BOOL>
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{
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public:
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BinaryBoolNode(MemoryPool& pool, UCHAR aBlrOp, dsql_nod* aArg1 = NULL, dsql_nod* aArg2 = NULL);
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static DmlNode* parse(thread_db* tdbb, MemoryPool& pool, CompilerScratch* csb, UCHAR blrOp);
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virtual void print(Firebird::string& text, Firebird::Array<dsql_nod*>& nodes) const;
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virtual BoolExprNode* dsqlPass(DsqlCompilerScratch* dsqlScratch);
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virtual void genBlr(DsqlCompilerScratch* dsqlScratch);
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virtual BoolExprNode* copy(thread_db* tdbb, NodeCopier& copier);
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virtual bool dsqlMatch(const ExprNode* other, bool ignoreMapCast) const;
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virtual bool execute(thread_db* tdbb, jrd_req* request) const;
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private:
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virtual bool executeAnd(thread_db* tdbb, jrd_req* request) const;
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virtual bool executeOr(thread_db* tdbb, jrd_req* request) const;
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public:
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UCHAR blrOp;
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dsql_nod* dsqlArg1;
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dsql_nod* dsqlArg2;
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NestConst<jrd_nod> arg1;
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NestConst<jrd_nod> arg2;
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};
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class ComparativeBoolNode : public TypedNode<BoolExprNode, ExprNode::TYPE_COMPARATIVE_BOOL>
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{
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public:
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enum DsqlFlag
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{
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DFLAG_NONE,
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DFLAG_ANSI_ALL,
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DFLAG_ANSI_ANY
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};
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ComparativeBoolNode(MemoryPool& pool, UCHAR aBlrOp, dsql_nod* aArg1 = NULL,
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dsql_nod* aArg2 = NULL, dsql_nod* aArg3 = NULL);
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static DmlNode* parse(thread_db* tdbb, MemoryPool& pool, CompilerScratch* csb, UCHAR blrOp);
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virtual void print(Firebird::string& text, Firebird::Array<dsql_nod*>& nodes) const;
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virtual BoolExprNode* dsqlPass(DsqlCompilerScratch* dsqlScratch);
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virtual void genBlr(DsqlCompilerScratch* dsqlScratch);
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virtual bool jrdPossibleUnknownFinder(PossibleUnknownFinder& visitor)
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{
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return blrOp == blr_equiv ? true : BoolExprNode::jrdPossibleUnknownFinder(visitor);
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}
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virtual BoolExprNode* copy(thread_db* tdbb, NodeCopier& copier);
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virtual bool dsqlMatch(const ExprNode* other, bool ignoreMapCast) const;
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virtual ExprNode* pass1(thread_db* tdbb, CompilerScratch* csb);
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virtual ExprNode* pass2(thread_db* tdbb, CompilerScratch* csb);
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virtual bool execute(thread_db* tdbb, jrd_req* request) const;
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private:
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bool stringBoolean(thread_db* tdbb, jrd_req* request, dsc* desc1, dsc* desc2,
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bool computedInvariant) const;
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bool stringFunction(thread_db* tdbb, jrd_req* request, SLONG l1, const UCHAR* p1,
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SLONG l2, const UCHAR* p2, USHORT ttype, bool computedInvariant) const;
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bool sleuth(thread_db* tdbb, jrd_req* request, const dsc* desc1, const dsc* desc2) const;
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BoolExprNode* createRseNode(DsqlCompilerScratch* dsqlScratch, UCHAR rseBlrOp);
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public:
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UCHAR blrOp;
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dsql_nod* dsqlArg1;
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dsql_nod* dsqlArg2;
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dsql_nod* dsqlArg3;
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DsqlFlag dsqlFlag;
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NestConst<jrd_nod> arg1;
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NestConst<jrd_nod> arg2;
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NestConst<jrd_nod> arg3;
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};
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class MissingBoolNode : public TypedNode<BoolExprNode, ExprNode::TYPE_MISSING_BOOL>
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{
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public:
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MissingBoolNode(MemoryPool& pool, dsql_nod* aArg = NULL);
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static DmlNode* parse(thread_db* tdbb, MemoryPool& pool, CompilerScratch* csb, UCHAR blrOp);
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virtual void print(Firebird::string& text, Firebird::Array<dsql_nod*>& nodes) const;
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virtual BoolExprNode* dsqlPass(DsqlCompilerScratch* dsqlScratch);
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virtual void genBlr(DsqlCompilerScratch* dsqlScratch);
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virtual bool jrdPossibleUnknownFinder(PossibleUnknownFinder& /*visitor*/)
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{
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return true;
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}
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virtual BoolExprNode* copy(thread_db* tdbb, NodeCopier& copier);
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virtual ExprNode* pass1(thread_db* tdbb, CompilerScratch* csb);
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virtual ExprNode* pass2(thread_db* tdbb, CompilerScratch* csb);
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virtual bool execute(thread_db* tdbb, jrd_req* request) const;
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public:
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dsql_nod* dsqlArg;
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NestConst<jrd_nod> arg;
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};
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class NotBoolNode : public TypedNode<BoolExprNode, ExprNode::TYPE_NOT_BOOL>
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{
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public:
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NotBoolNode(MemoryPool& pool, dsql_nod* aArg = NULL);
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static DmlNode* parse(thread_db* tdbb, MemoryPool& pool, CompilerScratch* csb, UCHAR blrOp);
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virtual void print(Firebird::string& text, Firebird::Array<dsql_nod*>& nodes) const;
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virtual BoolExprNode* dsqlPass(DsqlCompilerScratch* dsqlScratch);
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virtual void genBlr(DsqlCompilerScratch* dsqlScratch);
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virtual bool jrdPossibleUnknownFinder(PossibleUnknownFinder& /*visitor*/)
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{
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return true;
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}
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virtual BoolExprNode* copy(thread_db* tdbb, NodeCopier& copier);
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virtual ExprNode* pass1(thread_db* tdbb, CompilerScratch* csb);
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virtual bool execute(thread_db* tdbb, jrd_req* request) const;
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private:
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BoolExprNode* process(DsqlCompilerScratch* dsqlScratch, bool invert);
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public:
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dsql_nod* dsqlArg;
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NestConst<jrd_nod> arg;
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};
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class RseBoolNode : public TypedNode<BoolExprNode, ExprNode::TYPE_RSE_BOOL>
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{
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public:
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RseBoolNode(MemoryPool& pool, UCHAR aBlrOp, dsql_nod* aDsqlRse = NULL);
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static DmlNode* parse(thread_db* tdbb, MemoryPool& pool, CompilerScratch* csb, UCHAR blrOp);
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virtual void print(Firebird::string& text, Firebird::Array<dsql_nod*>& nodes) const;
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virtual BoolExprNode* dsqlPass(DsqlCompilerScratch* dsqlScratch);
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virtual void genBlr(DsqlCompilerScratch* dsqlScratch);
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virtual bool dsqlAggregateFinder(AggregateFinder& visitor)
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{
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fb_assert(blrOp != blr_any && blrOp != blr_ansi_any && blrOp != blr_ansi_all);
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return visitor.ignoreSubSelects ? false : BoolExprNode::dsqlVisit(visitor);
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}
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virtual bool jrdPossibleUnknownFinder(PossibleUnknownFinder& /*visitor*/)
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{
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return true;
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}
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virtual BoolExprNode* copy(thread_db* tdbb, NodeCopier& copier);
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virtual bool dsqlMatch(const ExprNode* other, bool ignoreMapCast) const;
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virtual ExprNode* pass1(thread_db* tdbb, CompilerScratch* csb);
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virtual ExprNode* pass2(thread_db* tdbb, CompilerScratch* csb);
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virtual bool execute(thread_db* tdbb, jrd_req* request) const;
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private:
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BoolExprNode* convertNeqAllToNotAny(thread_db* tdbb, CompilerScratch* csb);
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public:
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UCHAR blrOp;
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dsql_nod* dsqlRse;
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NestConst<jrd_nod> rse;
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NestConst<RecordSource> rsb;
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};
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} // namespace
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#endif // DSQL_BOOL_NODES_H
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