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Posted 30 Nov 2003

DarkSide SQL Mini Version 1, The embedded database

, 23 Mar 2006
An embedded database library in C++.
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	Purpose: base comparion services

	Author: Vijay Mathew Pandyalakal
	Date:	16/11/2003
	Copyright: logicmatrix
#ifndef CMPR_H_
#define CMPR_H_

namespace dsqlm {
	class Cmpr {
		vector<Column> vct_cols;
		vector<ComparissonOperator> vct_coprs; // comparison operators
		vector<string> vct_vals; // values to compare
		vector<LogicalOperator> vct_loprs; // logical operators
		vector<long> vct_cur;
		Table *table;
		Database* m_db;
		Cmpr(Table *table,Database* db,vector<Column> vct_c,
			vector<ComparissonOperator> vct_co,vector<string> vct_v,
			vector<LogicalOperator> vct_lo);
		void run();
		bool compare(const char* val1,const char* val2,DsqlType type,ComparissonOperator copr);
		long getCursorLength();
		long getPos(long idx);
		bool equals(const char* val1,const char* val2,DsqlType type);
		bool notEquals(const char* val1,const char* val2,DsqlType type);
		bool greaterThan(const char* val1,const char* val2,DsqlType type);
		bool lesserThan(const char* val1,const char* val2,DsqlType type);
		bool greaterThanOrEqualTo(const char* val1,const char* val2,DsqlType type);
		bool lesserThanOrEqualTo(const char* val1,const char* val2,DsqlType type);
		bool like(const char* val1,const char* val2,DsqlType type);

		void removeDuplicates();


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This article, along with any associated source code and files, is licensed under The BSD License


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