diff options
Diffstat (limited to 'storage/connect/filamvct.h')
-rw-r--r-- | storage/connect/filamvct.h | 498 |
1 files changed, 249 insertions, 249 deletions
diff --git a/storage/connect/filamvct.h b/storage/connect/filamvct.h index 666bb771be9..22665c6cd23 100644 --- a/storage/connect/filamvct.h +++ b/storage/connect/filamvct.h @@ -1,249 +1,249 @@ -/************** FilAMVct H Declares Source Code File (.H) **************/
-/* Name: FILAMVCT.H Version 1.5 */
-/* */
-/* (C) Copyright to the author Olivier BERTRAND 2005-2012 */
-/* */
-/* This file contains the VCT file access method classes declares. */
-/***********************************************************************/
-#ifndef __FILAMVCT__
-#define __FILAMVCT__
-
-#include "filamfix.h"
-
-typedef class VCTFAM *PVCTFAM;
-typedef class VCTCOL *PVCTCOL;
-typedef class VCMFAM *PVCMFAM;
-typedef class VECFAM *PVECFAM;
-typedef class VMPFAM *PVMPFAM;
-typedef class BGVFAM *PBGVFAM;
-
-/***********************************************************************/
-/* This is the DOS/UNIX Access Method class declaration for files */
-/* in vector format. If MaxBlk=0, each block containing "Elements" */
-/* records, values of each columns are consecutively stored (vector). */
-/* Otherwise, data is arranged by column in the file and MaxBlk is */
-/* used to set the maximum number of blocks. This leave some white */
-/* space allowing to insert new values up to this maximum size. */
-/***********************************************************************/
-class DllExport VCTFAM : public FIXFAM {
- friend class TDBVCT;
- friend class VCTCOL;
- public:
- // Constructor
- VCTFAM(PVCTDEF tdp);
- VCTFAM(PVCTFAM txfp);
-
- // Implementation
- virtual AMT GetAmType(void) {return TYPE_AM_VCT;}
- virtual PTXF Duplicate(PGLOBAL g)
- {return (PTXF)new(g) VCTFAM(this);}
-
- // Methods
- virtual void Reset(void);
- virtual int MaxBlkSize(PGLOBAL g, int s);
- virtual bool AllocateBuffer(PGLOBAL g);
- virtual bool InitInsert(PGLOBAL g);
- virtual void ResetBuffer(PGLOBAL g) {}
- virtual int Cardinality(PGLOBAL g);
- virtual int GetRowID(void);
-
- // Database routines
- virtual bool OpenTableFile(PGLOBAL g);
- virtual int ReadBuffer(PGLOBAL g);
- virtual int WriteBuffer(PGLOBAL g);
- virtual int DeleteRecords(PGLOBAL g, int irc);
- virtual void CloseTableFile(PGLOBAL g);
- virtual void Rewind(void);
-
- // Specific functions
- virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp);
- virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp);
-
- protected:
- virtual bool MakeEmptyFile(PGLOBAL g, char *fn);
- virtual bool OpenTempFile(PGLOBAL g);
- virtual bool MoveLines(PGLOBAL g) {return false;}
- virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL);
- virtual bool CleanUnusedSpace(PGLOBAL g);
- virtual int GetBlockInfo(PGLOBAL g);
- virtual bool SetBlockInfo(PGLOBAL g);
- bool ResetTableSize(PGLOBAL g, int block, int last);
-
- // Members
- char *NewBlock; // To block written on Insert
- char *Colfn; // Pattern for column file names (VER)
- char *Tempat; // Pattern for temp file names (VER)
- int *Clens; // Pointer to col size array
- int *Deplac; // Pointer to col start position array
- bool *Isnum; // Pointer to buffer type isnum result
- bool AddBlock; // True when adding new blocks on Insert
- bool Split; // true: split column file vector format
- int Header; // 0: no, 1: separate, 2: in data file
- int MaxBlk; // Max number of blocks (True vector format)
- int Bsize; // Because Nrec can be modified
- int Ncol; // The number of columns;
- }; // end of class VCTFAM
-
-/***********************************************************************/
-/* This is the DOS/UNIX Access Method class declaration for files */
-/* in vector format accessed using file mapping. */
-/***********************************************************************/
-class DllExport VCMFAM : public VCTFAM {
- friend class TDBVCT;
- friend class VCTCOL;
- public:
- // Constructor
- VCMFAM(PVCTDEF tdp);
- VCMFAM(PVCMFAM txfp);
-
- // Implementation
- virtual AMT GetAmType(void) {return TYPE_AM_VMP;}
- virtual PTXF Duplicate(PGLOBAL g)
- {return (PTXF)new(g) VCMFAM(this);}
-
- // Methods
- virtual bool AllocateBuffer(PGLOBAL g);
- virtual bool InitInsert(PGLOBAL g);
-
- // Database routines
- virtual bool OpenTableFile(PGLOBAL g);
- virtual int WriteBuffer(PGLOBAL g);
- virtual int DeleteRecords(PGLOBAL g, int irc);
- virtual void CloseTableFile(PGLOBAL g);
-
- // Specific functions
- virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp);
- virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp);
-
- // Members
- char* Memory; // Pointer on file mapping view.
- char* *Memcol; // Pointer on column start.
- }; // end of class VCMFAM
-
-/***********************************************************************/
-/* This is the DOS/UNIX Access Method class declaration for files */
-/* in full vertical format. Each column is contained in a separate */
-/* file whose name is the table name followed by the column number. */
-/***********************************************************************/
-class DllExport VECFAM : public VCTFAM {
- friend class TDBVCT;
- friend class VCTCOL;
- public:
- // Constructor
- VECFAM(PVCTDEF tdp);
- VECFAM(PVECFAM txfp);
-
- // Implementation
- virtual PTXF Duplicate(PGLOBAL g)
- {return (PTXF)new(g) VECFAM(this);}
-
- // Methods
- virtual bool AllocateBuffer(PGLOBAL g);
- virtual bool InitInsert(PGLOBAL g);
- virtual void ResetBuffer(PGLOBAL g);
-
- // Database routines
- virtual bool OpenTableFile(PGLOBAL g);
- virtual int WriteBuffer(PGLOBAL g);
- virtual int DeleteRecords(PGLOBAL g, int irc);
- virtual void CloseTableFile(PGLOBAL g);
-
- // Specific functions
- virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp);
- virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp);
-
- protected:
- virtual bool OpenTempFile(PGLOBAL g);
- virtual bool MoveLines(PGLOBAL g);
- virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL);
- virtual int RenameTempFile(PGLOBAL g);
- bool OpenColumnFile(PGLOBAL g, char *opmode, int i);
-
- // Members
- FILE* *Streams; // Points to Dos file structure array
- FILE* *T_Streams; // Points to temp file structure array
- PFBLOCK *To_Fbs; // Pointer to file block array
- PFBLOCK *T_Fbs; // Pointer to temp file block array
- void* *To_Bufs; // Pointer to col val block array
- bool InitUpdate; // Used to initialize updating
- }; // end of class VECFAM
-
-/***********************************************************************/
-/* This is the DOS/UNIX Access Method class declaration for files */
-/* in full vertical format accessed using file mapping. */
-/***********************************************************************/
-class DllExport VMPFAM : public VCMFAM {
- friend class TDBVCT;
- friend class VCTCOL;
- public:
- // Constructor
- VMPFAM(PVCTDEF tdp);
- VMPFAM(PVMPFAM txfp);
-
- // Implementation
- virtual PTXF Duplicate(PGLOBAL g)
- {return (PTXF)new(g) VMPFAM(this);}
-
- // Methods
- virtual bool AllocateBuffer(PGLOBAL g);
-
- // Database routines
- virtual bool OpenTableFile(PGLOBAL g);
- virtual int DeleteRecords(PGLOBAL g, int irc);
- virtual void CloseTableFile(PGLOBAL g);
-
- protected:
- bool MapColumnFile(PGLOBAL g, MODE mode, int i);
-
- // Members
- PFBLOCK *To_Fbs; // Pointer to file block array
- }; // end of class VMPFAM
-
-/***********************************************************************/
-/* This is the DOS/UNIX Access Method class declaration for files */
-/* in (possibly blocked) vector format that can be larger than 2GB. */
-/***********************************************************************/
-class BGVFAM : public VCTFAM {
- friend class VCTCOL;
- public:
- // Constructors
- BGVFAM(PVCTDEF tdp);
- BGVFAM(PBGVFAM txfp);
-
- // Implementation
- virtual PTXF Duplicate(PGLOBAL g)
- {return (PTXF)new(g) BGVFAM(this);}
-
- // Methods
- virtual bool AllocateBuffer(PGLOBAL g);
-
- // Database routines
- virtual bool OpenTableFile(PGLOBAL g);
- virtual int WriteBuffer(PGLOBAL g);
- virtual int DeleteRecords(PGLOBAL g, int irc);
- virtual void CloseTableFile(PGLOBAL g);
- virtual void Rewind(void);
-
- // Specific functions
- virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp);
- virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp);
-
- protected:
- bool BigSeek(PGLOBAL g, HANDLE h, BIGINT pos, bool b = false);
- bool BigRead(PGLOBAL g, HANDLE h, void *inbuf, int req);
- bool BigWrite(PGLOBAL g, HANDLE h, void *inbuf, int req);
- virtual bool MakeEmptyFile(PGLOBAL g, char *fn);
- virtual bool OpenTempFile(PGLOBAL g);
- virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL);
- virtual bool CleanUnusedSpace(PGLOBAL g);
- virtual bool SetBlockInfo(PGLOBAL g);
- virtual int GetBlockInfo(PGLOBAL g);
-
- // Members
- HANDLE Hfile; // Handle to big file
- HANDLE Tfile; // Handle to temporary file
- BIGINT *BigDep; // Pointer to col start position array
- }; // end of class BGVFAM
-
-#endif // __FILAMVCT__
-
+/************** FilAMVct H Declares Source Code File (.H) **************/ +/* Name: FILAMVCT.H Version 1.5 */ +/* */ +/* (C) Copyright to the author Olivier BERTRAND 2005-2012 */ +/* */ +/* This file contains the VCT file access method classes declares. */ +/***********************************************************************/ +#ifndef __FILAMVCT__ +#define __FILAMVCT__ + +#include "filamfix.h" + +typedef class VCTFAM *PVCTFAM; +typedef class VCTCOL *PVCTCOL; +typedef class VCMFAM *PVCMFAM; +typedef class VECFAM *PVECFAM; +typedef class VMPFAM *PVMPFAM; +typedef class BGVFAM *PBGVFAM; + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for files */ +/* in vector format. If MaxBlk=0, each block containing "Elements" */ +/* records, values of each columns are consecutively stored (vector). */ +/* Otherwise, data is arranged by column in the file and MaxBlk is */ +/* used to set the maximum number of blocks. This leave some white */ +/* space allowing to insert new values up to this maximum size. */ +/***********************************************************************/ +class DllExport VCTFAM : public FIXFAM { + friend class TDBVCT; + friend class VCTCOL; + public: + // Constructor + VCTFAM(PVCTDEF tdp); + VCTFAM(PVCTFAM txfp); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_VCT;} + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) VCTFAM(this);} + + // Methods + virtual void Reset(void); + virtual int MaxBlkSize(PGLOBAL g, int s); + virtual bool AllocateBuffer(PGLOBAL g); + virtual bool InitInsert(PGLOBAL g); + virtual void ResetBuffer(PGLOBAL g) {} + virtual int Cardinality(PGLOBAL g); + virtual int GetRowID(void); + + // Database routines + virtual bool OpenTableFile(PGLOBAL g); + virtual int ReadBuffer(PGLOBAL g); + virtual int WriteBuffer(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g); + virtual void Rewind(void); + + // Specific functions + virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp); + virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp); + + protected: + virtual bool MakeEmptyFile(PGLOBAL g, char *fn); + virtual bool OpenTempFile(PGLOBAL g); + virtual bool MoveLines(PGLOBAL g) {return false;} + virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL); + virtual bool CleanUnusedSpace(PGLOBAL g); + virtual int GetBlockInfo(PGLOBAL g); + virtual bool SetBlockInfo(PGLOBAL g); + bool ResetTableSize(PGLOBAL g, int block, int last); + + // Members + char *NewBlock; // To block written on Insert + char *Colfn; // Pattern for column file names (VER) + char *Tempat; // Pattern for temp file names (VER) + int *Clens; // Pointer to col size array + int *Deplac; // Pointer to col start position array + bool *Isnum; // Pointer to buffer type isnum result + bool AddBlock; // True when adding new blocks on Insert + bool Split; // true: split column file vector format + int Header; // 0: no, 1: separate, 2: in data file + int MaxBlk; // Max number of blocks (True vector format) + int Bsize; // Because Nrec can be modified + int Ncol; // The number of columns; + }; // end of class VCTFAM + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for files */ +/* in vector format accessed using file mapping. */ +/***********************************************************************/ +class DllExport VCMFAM : public VCTFAM { + friend class TDBVCT; + friend class VCTCOL; + public: + // Constructor + VCMFAM(PVCTDEF tdp); + VCMFAM(PVCMFAM txfp); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_VMP;} + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) VCMFAM(this);} + + // Methods + virtual bool AllocateBuffer(PGLOBAL g); + virtual bool InitInsert(PGLOBAL g); + + // Database routines + virtual bool OpenTableFile(PGLOBAL g); + virtual int WriteBuffer(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g); + + // Specific functions + virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp); + virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp); + + // Members + char* Memory; // Pointer on file mapping view. + char* *Memcol; // Pointer on column start. + }; // end of class VCMFAM + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for files */ +/* in full vertical format. Each column is contained in a separate */ +/* file whose name is the table name followed by the column number. */ +/***********************************************************************/ +class DllExport VECFAM : public VCTFAM { + friend class TDBVCT; + friend class VCTCOL; + public: + // Constructor + VECFAM(PVCTDEF tdp); + VECFAM(PVECFAM txfp); + + // Implementation + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) VECFAM(this);} + + // Methods + virtual bool AllocateBuffer(PGLOBAL g); + virtual bool InitInsert(PGLOBAL g); + virtual void ResetBuffer(PGLOBAL g); + + // Database routines + virtual bool OpenTableFile(PGLOBAL g); + virtual int WriteBuffer(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g); + + // Specific functions + virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp); + virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp); + + protected: + virtual bool OpenTempFile(PGLOBAL g); + virtual bool MoveLines(PGLOBAL g); + virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL); + virtual int RenameTempFile(PGLOBAL g); + bool OpenColumnFile(PGLOBAL g, char *opmode, int i); + + // Members + FILE* *Streams; // Points to Dos file structure array + FILE* *T_Streams; // Points to temp file structure array + PFBLOCK *To_Fbs; // Pointer to file block array + PFBLOCK *T_Fbs; // Pointer to temp file block array + void* *To_Bufs; // Pointer to col val block array + bool InitUpdate; // Used to initialize updating + }; // end of class VECFAM + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for files */ +/* in full vertical format accessed using file mapping. */ +/***********************************************************************/ +class DllExport VMPFAM : public VCMFAM { + friend class TDBVCT; + friend class VCTCOL; + public: + // Constructor + VMPFAM(PVCTDEF tdp); + VMPFAM(PVMPFAM txfp); + + // Implementation + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) VMPFAM(this);} + + // Methods + virtual bool AllocateBuffer(PGLOBAL g); + + // Database routines + virtual bool OpenTableFile(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g); + + protected: + bool MapColumnFile(PGLOBAL g, MODE mode, int i); + + // Members + PFBLOCK *To_Fbs; // Pointer to file block array + }; // end of class VMPFAM + +/***********************************************************************/ +/* This is the DOS/UNIX Access Method class declaration for files */ +/* in (possibly blocked) vector format that can be larger than 2GB. */ +/***********************************************************************/ +class BGVFAM : public VCTFAM { + friend class VCTCOL; + public: + // Constructors + BGVFAM(PVCTDEF tdp); + BGVFAM(PBGVFAM txfp); + + // Implementation + virtual PTXF Duplicate(PGLOBAL g) + {return (PTXF)new(g) BGVFAM(this);} + + // Methods + virtual bool AllocateBuffer(PGLOBAL g); + + // Database routines + virtual bool OpenTableFile(PGLOBAL g); + virtual int WriteBuffer(PGLOBAL g); + virtual int DeleteRecords(PGLOBAL g, int irc); + virtual void CloseTableFile(PGLOBAL g); + virtual void Rewind(void); + + // Specific functions + virtual bool ReadBlock(PGLOBAL g, PVCTCOL colp); + virtual bool WriteBlock(PGLOBAL g, PVCTCOL colp); + + protected: + bool BigSeek(PGLOBAL g, HANDLE h, BIGINT pos, bool b = false); + bool BigRead(PGLOBAL g, HANDLE h, void *inbuf, int req); + bool BigWrite(PGLOBAL g, HANDLE h, void *inbuf, int req); + virtual bool MakeEmptyFile(PGLOBAL g, char *fn); + virtual bool OpenTempFile(PGLOBAL g); + virtual bool MoveIntermediateLines(PGLOBAL g, bool *b = NULL); + virtual bool CleanUnusedSpace(PGLOBAL g); + virtual bool SetBlockInfo(PGLOBAL g); + virtual int GetBlockInfo(PGLOBAL g); + + // Members + HANDLE Hfile; // Handle to big file + HANDLE Tfile; // Handle to temporary file + BIGINT *BigDep; // Pointer to col start position array + }; // end of class BGVFAM + +#endif // __FILAMVCT__ + |