mirror of
https://github.com/FirebirdSQL/firebird.git
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100 lines
3.2 KiB
C
100 lines
3.2 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_EXPR_NODES_H
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#define DSQL_EXPR_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 ConcatenateNode : public TypedNode<ExprNode, ExprNode::TYPE_CONCATENATE>
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{
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public:
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explicit ConcatenateNode(MemoryPool& pool, 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 void setParameterName(dsql_par* parameter) const;
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virtual bool setParameterType(DsqlCompilerScratch* dsqlScratch,
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dsql_nod* node, bool forceVarChar) const;
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virtual void genBlr();
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virtual void make(dsc* desc, dsql_nod* nullReplacement);
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virtual void getDesc(thread_db* tdbb, CompilerScratch* csb, dsc* desc);
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virtual ExprNode* copy(thread_db* tdbb, NodeCopier& copier) const;
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virtual ExprNode* pass2(thread_db* tdbb, CompilerScratch* csb);
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virtual dsc* execute(thread_db* tdbb, jrd_req* request) const;
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protected:
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virtual ExprNode* internalDsqlPass();
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public:
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dsql_nod* dsqlArg1;
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dsql_nod* dsqlArg2;
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jrd_nod* arg1;
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jrd_nod* arg2;
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};
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// OVER is used only in DSQL. In the engine, normal aggregate functions are used in partitioned
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// maps.
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class OverNode : public TypedNode<ExprNode, ExprNode::TYPE_OVER>
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{
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public:
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explicit OverNode(MemoryPool& pool, dsql_nod* aAggExpr = NULL, dsql_nod* aPartition = NULL,
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dsql_nod* aOrder = NULL);
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virtual void print(Firebird::string& text, Firebird::Array<dsql_nod*>& nodes) const;
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virtual bool dsqlAggregateFinder(AggregateFinder& visitor);
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virtual bool dsqlAggregate2Finder(Aggregate2Finder& visitor);
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virtual bool dsqlInvalidReferenceFinder(InvalidReferenceFinder& visitor);
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virtual bool dsqlSubSelectFinder(SubSelectFinder& visitor);
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virtual bool dsqlFieldRemapper(FieldRemapper& visitor);
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virtual void setParameterName(dsql_par* parameter) const;
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virtual void genBlr();
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virtual void make(dsc* desc, dsql_nod* nullReplacement);
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virtual void getDesc(thread_db* tdbb, CompilerScratch* csb, dsc* desc);
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virtual ExprNode* copy(thread_db* tdbb, NodeCopier& copier) const;
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virtual dsc* execute(thread_db* tdbb, jrd_req* request) const;
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protected:
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virtual ExprNode* internalDsqlPass();
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public:
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dsql_nod* dsqlAggExpr;
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dsql_nod* dsqlPartition;
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dsql_nod* dsqlOrder;
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};
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} // namespace
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#endif // DSQL_EXPR_NODES_H
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