diff options
Diffstat (limited to 'storage/connect/tabtbl.h')
| -rw-r--r-- | storage/connect/tabtbl.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/storage/connect/tabtbl.h b/storage/connect/tabtbl.h new file mode 100644 index 00000000000..76733f56cc1 --- /dev/null +++ b/storage/connect/tabtbl.h @@ -0,0 +1,162 @@ +/*************** TabTbl H Declares Source Code File (.H) ***************/
+/* Name: TABTBL.H Version 1.2 */
+/* */
+/* (C) Copyright to the author Olivier BERTRAND 2008-2012 */
+/* */
+/* This file contains the TDBTBL classes declares. */
+/***********************************************************************/
+//#include "osutil.h"
+#include "block.h"
+#include "colblk.h"
+
+typedef class TBLDEF *PTBLDEF;
+typedef class TDBTBL *PTDBTBL;
+typedef class TBLCOL *PTBLCOL;
+
+/***********************************************************************/
+/* Defines the structure used for multiple tables. */
+/***********************************************************************/
+typedef struct _tablist *PTBL;
+
+typedef struct _tablist {
+ PTBL Next;
+ char *Name;
+ char *DB;
+ } TBLIST;
+
+/***********************************************************************/
+/* TBL table. */
+/***********************************************************************/
+class DllExport TBLDEF : public TABDEF { /* Logical table description */
+ friend class TDBTBL;
+ public:
+ // Constructor
+ TBLDEF(void);
+
+ // Implementation
+ virtual const char *GetType(void) {return "TBL";}
+ PTBL GetTables(void) {return To_Tables;}
+//int GetNtables(void) {return Ntables;}
+
+ // Methods
+ virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
+ virtual PTDB GetTable(PGLOBAL g, MODE m);
+
+ protected:
+ // Members
+ PTBL To_Tables; /* To the list of tables */
+ bool Accept; /* TRUE if bad tables are accepted */
+ int Maxerr; /* Maximum number of bad tables */
+ int Ntables; /* Number of tables */
+ }; // end of TBLDEF
+
+/***********************************************************************/
+/* This is the TBL Access Method class declaration. */
+/***********************************************************************/
+class DllExport TDBTBL : public TDBASE {
+ friend class TBLCOL;
+ friend class TBTBLK;
+ friend class TDBPLG;
+ public:
+ // Constructor
+ TDBTBL(PTBLDEF tdp = NULL);
+//TDBTBL(PTDBTBL tdbp);
+
+ // Implementation
+ virtual AMT GetAmType(void) {return TYPE_AM_TBL;}
+//virtual PTDB Duplicate(PGLOBAL g)
+// {return (PTDB)new(g) TDBTBL(this);}
+
+ // Methods
+ virtual void ResetDB(void);
+//virtual PTABLE GetTablist(void) {return (PSZ)Tablist;}
+//virtual PTDB CopyOne(PTABS t);
+ virtual int GetRecpos(void) {return Rows;}
+ virtual int GetBadLines(void) {return (int)Nbf;}
+
+ // Database routines
+ virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
+ virtual int GetMaxSize(PGLOBAL g);
+ virtual int GetProgMax(PGLOBAL g);
+ virtual int GetProgCur(void);
+ virtual int RowNumber(PGLOBAL g, bool b = FALSE);
+ virtual PCOL InsertSpecialColumn(PGLOBAL g, PCOL scp);
+ virtual bool OpenDB(PGLOBAL g);
+ virtual int ReadDB(PGLOBAL g);
+ virtual int WriteDB(PGLOBAL g);
+ virtual int DeleteDB(PGLOBAL g, int irc);
+ virtual void CloseDB(PGLOBAL g);
+
+ protected:
+ // Internal functions
+ PTDB GetSubTable(PGLOBAL g, PTBL tblp, PTABLE tabp);
+ bool InitTableList(PGLOBAL g);
+ bool TestFil(PGLOBAL g, PFIL filp, PTBL tblp);
+
+ // Members
+ PTABLE Tablist; // Points to the table list
+ PTABLE CurTable; // Points to the current table
+ PTDBASE Tdbp; // Current table PTDB
+ bool Accept; // TRUE if bad tables are accepted
+ int Maxerr; // Maximum number of bad tables
+ int Nbf; // Number of bad connections
+ int Rows; // Used for RowID
+ int Crp; // Used for CurPos
+ }; // end of class TDBTBL
+
+/***********************************************************************/
+/* Class TBLCOL: TBL access method column descriptor. */
+/* This A.M. is used for TBL tables. */
+/***********************************************************************/
+class DllExport TBLCOL : public COLBLK {
+ friend class TDBTBL;
+ public:
+ // Constructors
+ TBLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PSZ am = "TBL");
+ TBLCOL(TBLCOL *colp, PTDB tdbp); // Constructor used in copy process
+//TBLCOL(SPCBLK *colp, PTDB tdbp); // Constructor used for pseudo columns
+
+ // Implementation
+ virtual int GetAmType(void) {return TYPE_AM_TBL;}
+
+ // Methods
+ virtual bool IsSpecial(void) {return Pseudo;}
+ virtual void ReadColumn(PGLOBAL g);
+//virtual void WriteColumn(PGLOBAL g);
+// void Print(PGLOBAL g, FILE *, UINT);
+ bool Init(PGLOBAL g);
+
+ protected:
+ // Default constructor not to be used
+ TBLCOL(void) {}
+
+ // Members
+ PCOL Colp; // Points to matching table column
+ PVAL To_Val; // To the matching column value
+ bool Pseudo; // TRUE for special columns
+ int Colnum; // Used when retrieving columns by number
+ }; // end of class TBLCOL
+
+/***********************************************************************/
+/* Class TBTBLK: TDBPLG TABID special column descriptor. */
+/***********************************************************************/
+class TBTBLK : public TIDBLK {
+ public:
+ // The constructor must restore Value because XOBJECT has a void
+ // constructor called by default that set Value to NULL
+ TBTBLK(PVAL valp) {Value = valp;}
+
+ // Methods
+ virtual void ReadColumn(PGLOBAL g);
+
+ // Fake operator new used to change TIDBLK into SDTBLK
+ void * operator new(size_t size, TIDBLK *sp) {return sp;}
+
+#if !defined(__BORLANDC__)
+ // Avoid warning C4291 by defining a matching dummy delete operator
+ void operator delete(void *, TIDBLK*) {}
+#endif
+
+ protected:
+ // Must not have additional members
+ }; // end of class TBTBLK
|