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da69d41a29
(while doing indexed UPDATE/DELETE) modified: storage/connect/array.cpp storage/connect/filamtxt.cpp - Force unix like line endings modified: storage/connect/tabvct.h
124 lines
4.2 KiB
C++
124 lines
4.2 KiB
C++
/*************** TabVct H Declares Source Code File (.H) ***************/
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/* Name: TABVCT.H Version 3.4 */
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/* */
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/* (C) Copyright to the author Olivier BERTRAND 1999-2011 */
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/* */
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/* This file contains the TDBVCT class declares. */
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/***********************************************************************/
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#ifndef __TABVCT__
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#define __TABVCT__
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#include "tabfix.h"
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#if defined(UNIX)
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//#include <string.h.SUNWCCh>
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#endif
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typedef class TDBVCT *PTDBVCT;
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typedef class VCTCOL *PVCTCOL;
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/***********************************************************************/
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/* VCT table. */
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/***********************************************************************/
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class DllExport VCTDEF : public DOSDEF { /* Logical table description */
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friend class TDBVCT;
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friend class VCTFAM;
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friend class VECFAM;
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friend class VMPFAM;
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public:
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// Constructor
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VCTDEF(void) {Split = false; Estimate = Header = 0;}
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// Implementation
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virtual const char *GetType(void) {return "VCT";}
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int GetEstimate(void) {return Estimate;}
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// Methods
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virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
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virtual PTDB GetTable(PGLOBAL g, MODE mode);
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protected:
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int MakeFnPattern(char *fpat);
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// Members
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bool Split; /* Columns in separate files */
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int Estimate; /* Estimated maximum size of table */
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int Header; /* 0: no, 1: separate, 2: in data file */
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}; // end of VCTDEF
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/***********************************************************************/
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/* This is the DOS/UNIX Access Method class declaration for files */
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/* in blocked vector format. In each block containing "Elements" */
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/* records, values of each columns are consecutively stored (vector). */
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/***********************************************************************/
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class DllExport TDBVCT : public TDBFIX {
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friend class VCTCOL;
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friend class VCTFAM;
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friend class VCMFAM;
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friend class VECFAM;
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friend class VMPFAM;
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public:
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// Constructors
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TDBVCT(PVCTDEF tdp, PTXF txfp);
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TDBVCT(PGLOBAL g, PTDBVCT tdbp);
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// Implementation
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virtual AMT GetAmType(void) {return TYPE_AM_VCT;}
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virtual PTDB Duplicate(PGLOBAL g)
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{return (PTDB)new(g) TDBVCT(g, this);}
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bool IsSplit(void) {return ((VCTDEF*)To_Def)->Split;}
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// Methods
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virtual PTDB CopyOne(PTABS t);
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virtual bool IsUsingTemp(PGLOBAL g);
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// Database routines
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virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
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virtual bool OpenDB(PGLOBAL g);
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virtual int ReadDB(PGLOBAL g);
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virtual void CloseDB(PGLOBAL g);
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protected:
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// Members
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}; // end of class TDBVCT
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/***********************************************************************/
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/* Class VCTCOL: VCT access method column descriptor. */
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/* This A.M. is used for file having column wise organization. */
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/***********************************************************************/
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class DllExport VCTCOL : public DOSCOL {
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friend class TDBVCT;
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friend class VCTFAM;
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friend class VCMFAM;
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friend class VECFAM;
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friend class VMPFAM;
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friend class BGVFAM;
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public:
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// Constructors
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VCTCOL(PGLOBAL g, PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i);
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VCTCOL(VCTCOL *colp, PTDB tdbp); // Constructor used in copy process
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// Implementation
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virtual int GetAmType(void) {return TYPE_AM_VCT;}
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// Methods
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virtual void ReadColumn(PGLOBAL g);
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virtual void WriteColumn(PGLOBAL g);
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virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check);
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virtual void SetOk(void);
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protected:
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virtual void ReadBlock(PGLOBAL g);
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virtual void WriteBlock(PGLOBAL g);
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VCTCOL(void) {} // Default constructor not to be used
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// Members
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PVBLK Blk; // Block buffer
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int Clen; // Internal length in table
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int ColBlk; // Block pointed by column
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int ColPos; // Last position read
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int Modif; // Number of modified lines in block
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}; // end of class VCTCOL
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#endif // __TABVCT__
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