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eae8318b19
- Added JSON OBJECT specification for pretty != 2. - Fix NULL values not recognized for nullable JSON columns - Issue an error message when a JSON table is created without specifying LRECL if PRETTY != 2. - Make JSONColumns use a TDBJSON class. - Make JSON table using MAPFAM modified: filamap.h filamtxt.h ha_connect.cc json.result tabjson.cpp tabjson.h table.cpp - Implementing Discovery for the XML table type. modified: domdoc.cpp domdoc.h ha_connect.cc libdoc.cpp plgxml.cpp plgxml.h reldef.cpp reldef.h tabxml.cpp tabxml.h - Providing an error message when creating an ODBC table via discovery returns columns of more than one table. modified: ha_connect.cc - TableOptionStruct declaration moved from ha_connect.h to mycat.h To make it easier to use by other classes. modified: ha_connect.cc ha_connect.h mycat.cc mycat.h reldef.cpp tabmysql.cpp taboccur.cpp tabpivot.cpp tabtbl.cpp tabutil.cpp tabxcl.cpp
119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
/*************** FilAMap H Declares Source Code File (.H) **************/
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/* Name: FILAMAP.H Version 1.3 */
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/* */
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/* (C) Copyright to the author Olivier BERTRAND 2005-2014 */
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/* */
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/* This file contains the MAP file access method classes declares. */
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/***********************************************************************/
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#ifndef __FILAMAP_H
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#define __FILAMAP_H
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#include "block.h"
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#include "filamtxt.h"
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typedef class MAPFAM *PMAPFAM;
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/***********************************************************************/
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/* This is the variable file access method using file mapping. */
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/***********************************************************************/
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class DllExport MAPFAM : public TXTFAM {
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friend class TDBJSON;
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public:
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// Constructor
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MAPFAM(PDOSDEF tdp);
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MAPFAM(PMAPFAM tmfp);
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// Implementation
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virtual AMT GetAmType(void) {return TYPE_AM_MAP;}
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virtual int GetPos(void);
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virtual int GetNextPos(void);
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virtual PTXF Duplicate(PGLOBAL g)
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{return (PTXF)new(g) MAPFAM(this);}
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// Methods
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virtual void Reset(void);
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virtual int GetFileLength(PGLOBAL g);
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virtual int Cardinality(PGLOBAL g) {return (g) ? -1 : 0;}
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virtual int MaxBlkSize(PGLOBAL g, int s) {return s;}
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virtual int GetRowID(void);
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virtual bool RecordPos(PGLOBAL g);
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virtual bool SetPos(PGLOBAL g, int recpos);
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virtual int SkipRecord(PGLOBAL g, bool header);
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virtual bool OpenTableFile(PGLOBAL g);
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virtual bool DeferReading(void) {return false;}
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virtual int ReadBuffer(PGLOBAL g);
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virtual int WriteBuffer(PGLOBAL g);
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virtual int DeleteRecords(PGLOBAL g, int irc);
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virtual void CloseTableFile(PGLOBAL g, bool abort);
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virtual void Rewind(void);
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protected:
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virtual int InitDelete(PGLOBAL g, int fpos, int spos);
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// Members
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char *Memory; // Pointer on file mapping view.
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char *Mempos; // Position of next data to read
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char *Fpos; // Position of last read record
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char *Tpos; // Target Position for delete move
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char *Spos; // Start position for delete move
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char *Top; // Mark end of file mapping view
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}; // end of class MAPFAM
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/***********************************************************************/
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/* This is the blocked file access method using file mapping. */
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/***********************************************************************/
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class DllExport MBKFAM : public MAPFAM {
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public:
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// Constructor
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MBKFAM(PDOSDEF tdp);
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MBKFAM(PMAPFAM tmfp) : MAPFAM(tmfp) {}
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// Implementation
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virtual PTXF Duplicate(PGLOBAL g)
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{return (PTXF)new(g) MBKFAM(this);}
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// Methods
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virtual void Reset(void);
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virtual int Cardinality(PGLOBAL g);
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virtual int MaxBlkSize(PGLOBAL g, int s)
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{return TXTFAM::MaxBlkSize(g, s);}
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virtual int GetRowID(void);
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virtual int SkipRecord(PGLOBAL g, bool header);
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virtual int ReadBuffer(PGLOBAL g);
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virtual void Rewind(void);
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protected:
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// No additional members
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}; // end of class MBKFAM
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/***********************************************************************/
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/* This is the fixed file access method using file mapping. */
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/***********************************************************************/
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class DllExport MPXFAM : public MBKFAM {
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public:
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// Constructor
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MPXFAM(PDOSDEF tdp);
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MPXFAM(PMAPFAM tmfp) : MBKFAM(tmfp) {}
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// Implementation
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virtual int GetPos(void);
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virtual PTXF Duplicate(PGLOBAL g)
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{return (PTXF)new(g) MPXFAM(this);}
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// Methods
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virtual int Cardinality(PGLOBAL g) {return TXTFAM::Cardinality(g);}
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virtual int MaxBlkSize(PGLOBAL g, int s)
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{return TXTFAM::MaxBlkSize(g, s);}
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virtual bool SetPos(PGLOBAL g, int recpos);
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virtual int GetNextPos(void) {return GetPos() + 1;}
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virtual bool DeferReading(void) {return false;}
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virtual int ReadBuffer(PGLOBAL g);
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virtual int WriteBuffer(PGLOBAL g);
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protected:
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virtual int InitDelete(PGLOBAL g, int fpos, int spos);
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// No additional members
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}; // end of class MPXFAM
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#endif // __FILAMAP_H
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