diff options
Diffstat (limited to 'storage/connect/xtable.h')
| -rw-r--r-- | storage/connect/xtable.h | 71 |
1 files changed, 68 insertions, 3 deletions
diff --git a/storage/connect/xtable.h b/storage/connect/xtable.h index 73af45c7e0a..6932fe7337a 100644 --- a/storage/connect/xtable.h +++ b/storage/connect/xtable.h @@ -15,9 +15,12 @@ /***********************************************************************/ #include "assert.h" #include "block.h" +#include "colblk.h" //pedef class INDEXDEF *PIXDEF; -typedef char *PFIL; // Specific to CONNECT +typedef char *PFIL; // Specific to CONNECT +typedef class TDBCAT *PTDBCAT; +typedef class CATCOL *PCATCOL; /***********************************************************************/ /* Definition of class TBX (pure virtual class for TDB and OPJOIN) */ @@ -170,8 +173,8 @@ class DllExport TDBASE : public TDB { virtual bool IsReadOnly(void) {return Read_Only;} virtual int GetProgMax(PGLOBAL g) {return GetMaxSize(g);} virtual int GetProgCur(void) {return GetRecpos();} - virtual PSZ GetFile(PGLOBAL g) {return "Not a file";} - virtual int GetRemote(void) {return 0;} + virtual PSZ GetFile(PGLOBAL g) {return "Not a file";} + virtual int GetRemote(void) {return 0;} virtual void SetFile(PGLOBAL g, PSZ fn) {} virtual void ResetDB(void) {} virtual void ResetSize(void) {MaxSize = -1;} @@ -198,4 +201,66 @@ class DllExport TDBASE : public TDB { bool Read_Only; // True for read only tables }; // end of class TDBASE +/***********************************************************************/ +/* The abstract base class declaration for the catalog tables. */ +/***********************************************************************/ +class TDBCAT : public TDBASE { + friend class CATCOL; + public: + // Constructor + TDBCAT(PTABDEF tdp); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_CAT;} + + // Methods + virtual int GetRecpos(void) {return N;} + virtual int GetProgCur(void) {return N;} + virtual int RowNumber(PGLOBAL g, bool b = false) {return N + 1;} + + // Database routines + virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n); + virtual int GetMaxSize(PGLOBAL g); + 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: + // Specific routines + virtual PQRYRES GetResult(PGLOBAL g) = 0; + bool Initialize(PGLOBAL g); + bool InitCol(PGLOBAL g); + + // Members + PQRYRES Qrp; + int N; // Row number + bool Init; + }; // end of class TDBCAT + +/***********************************************************************/ +/* Class CATCOL: ODBC info column. */ +/***********************************************************************/ +class CATCOL : public COLBLK { + friend class TDBCAT; + public: + // Constructors + CATCOL(PCOLDEF cdp, PTDB tdbp, int n); + + // Implementation + virtual int GetAmType(void) {return TYPE_AM_ODBC;} + + // Methods + virtual void ReadColumn(PGLOBAL g); + + protected: + CATCOL(void) {} // Default constructor not to be used + + // Members + PTDBCAT Tdbp; // Points to ODBC table block + PCOLRES Crp; // The column data array + int Flag; + }; // end of class CATCOL + #endif // TABLE_DEFINED |