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| author | Alexander Barkov <bar@mnogosearch.org> | 2013-01-18 19:21:44 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mnogosearch.org> | 2013-01-18 19:21:44 +0400 |
| commit | d7143a4160d093abecf911de4084d5dd3aa3be92 (patch) | |
| tree | 4492cb6ec957a6decf98da85482c88fbe9b18465 /storage/connect/tabvct.h | |
| parent | 055b62f404ee0a0463ee8ff98a0e24c083b95f1d (diff) | |
| download | mariadb-git-d7143a4160d093abecf911de4084d5dd3aa3be92.tar.gz | |
Adding the CONNECT storage engine sources.
Diffstat (limited to 'storage/connect/tabvct.h')
| -rw-r--r-- | storage/connect/tabvct.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/storage/connect/tabvct.h b/storage/connect/tabvct.h new file mode 100644 index 00000000000..d248244bde8 --- /dev/null +++ b/storage/connect/tabvct.h @@ -0,0 +1,123 @@ +/*************** TabVct H Declares Source Code File (.H) ***************/
+/* Name: TABVCT.H Version 3.4 */
+/* */
+/* (C) Copyright to the author Olivier BERTRAND 1999-2011 */
+/* */
+/* This file contains the TDBVCT class declares. */
+/***********************************************************************/
+#ifndef __TABVCT__
+#define __TABVCT__
+
+#include "tabfix.h"
+#if defined(UNIX)
+//#include <string.h.SUNWCCh>
+#endif
+
+typedef class TDBVCT *PTDBVCT;
+typedef class VCTCOL *PVCTCOL;
+
+/***********************************************************************/
+/* VCT table. */
+/***********************************************************************/
+class DllExport VCTDEF : public DOSDEF { /* Logical table description */
+ friend class VCTFAM;
+ friend class VECFAM;
+ friend class VMPFAM;
+ public:
+ // Constructor
+ VCTDEF(void) {Split = Estimate = Header = 0;}
+
+ // Implementation
+ virtual const char *GetType(void) {return "VCT";}
+ int GetEstimate(void) {return Estimate;}
+
+ // Methods
+ virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
+ virtual PTDB GetTable(PGLOBAL g, MODE mode);
+
+ protected:
+ // Specific file erase routine for vertical tables
+ virtual bool Erase(char *filename);
+ int MakeFnPattern(char *fpat);
+
+ // Members
+ int Split; /* Columns in separate files */
+ int Estimate; /* Estimated maximum size of table */
+ int Header; /* 0: no, 1: separate, 2: in data file */
+ }; // end of VCTDEF
+
+/***********************************************************************/
+/* This is the DOS/UNIX Access Method class declaration for files */
+/* in blocked vector format. In each block containing "Elements" */
+/* records, values of each columns are consecutively stored (vector). */
+/***********************************************************************/
+class DllExport TDBVCT : public TDBFIX {
+ friend class VCTCOL;
+ friend class VCTFAM;
+ friend class VCMFAM;
+ friend class VECFAM;
+ friend class VMPFAM;
+ public:
+ // Constructors
+ TDBVCT(PVCTDEF tdp, PTXF txfp);
+ TDBVCT(PGLOBAL g, PTDBVCT tdbp);
+
+ // Implementation
+ virtual AMT GetAmType(void) {return TYPE_AM_VCT;}
+ virtual PTDB Duplicate(PGLOBAL g)
+ {return (PTDB)new(g) TDBVCT(g, this);}
+
+ // Methods
+ virtual PTDB CopyOne(PTABS t);
+
+ // Database routines
+ virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
+ virtual bool OpenDB(PGLOBAL g);
+ virtual int ReadDB(PGLOBAL g);
+ virtual void CloseDB(PGLOBAL g);
+
+ protected:
+ // Members
+ }; // end of class TDBVCT
+
+/***********************************************************************/
+/* Class VCTCOL: VCT access method column descriptor. */
+/* This A.M. is used for file having column wise organization. */
+/***********************************************************************/
+class DllExport VCTCOL : public DOSCOL {
+ friend class TDBVCT;
+ friend class VCTFAM;
+ friend class VCMFAM;
+ friend class VECFAM;
+ friend class VMPFAM;
+ friend class BGVFAM;
+ public:
+ // Constructors
+ VCTCOL(PGLOBAL g, PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i);
+ VCTCOL(VCTCOL *colp, PTDB tdbp); // Constructor used in copy process
+
+ // Implementation
+ virtual int GetAmType(void) {return TYPE_AM_VCT;}
+
+ // Methods
+ virtual void ReadColumn(PGLOBAL g);
+ virtual void WriteColumn(PGLOBAL g);
+ virtual bool SetBuffer(PGLOBAL g, PVAL value, bool ok, bool check);
+ virtual void SetOk(void);
+
+ protected:
+ virtual void ReadBlock(PGLOBAL g);
+ virtual void WriteBlock(PGLOBAL g);
+
+ VCTCOL(void) {} // Default constructor not to be used
+
+ // Members
+ PVBLK Blk; // Block buffer
+ int Clen; // Internal length in table
+ int ColBlk; // Block pointed by column
+ int ColPos; // Last position read
+ int Modif; // Number of modified lines in block
+ }; // end of class VCTCOL
+
+#endif // __TABVCT__
+
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