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/*************** Catalog H Declares Source Code File (.H) **************/
/* Name: CATALOG.H Version 3.3 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2000-2015 */
/* */
/* This file contains the CATALOG PlugDB classes definitions. */
/***********************************************************************/
#ifndef __CATALOG__H
#define __CATALOG__H
#include "block.h"
/***********************************************************************/
/* Defines the length of a buffer to contain entire table section. */
/***********************************************************************/
#define PLG_MAX_PATH 144 /* Must be the same across systems */
#define PLG_BUFF_LEN 100 /* Number of lines in binary file buffer */
//typedef class INDEXDEF *PIXDEF;
/***********************************************************************/
/* Defines the structure used to enumerate tables or views. */
/***********************************************************************/
typedef struct _curtab {
PRELDEF CurTdb;
char *Curp;
char *Tabpat;
bool Ispat;
bool NoView;
int Nt;
char *Type[16];
} CURTAB, *PCURTAB;
/***********************************************************************/
/* Defines the structure used to get column catalog info. */
/***********************************************************************/
typedef struct _colinfo {
PCSZ Name;
int Type;
int Offset;
unsigned Length;
int Key;
unsigned Precision;
int Scale;
int Opt;
int Freq;
PCSZ Remark;
PCSZ Datefmt;
PCSZ Fieldfmt;
ushort Flags; // Used by MariaDB CONNECT handlers
} COLINFO, *PCOLINFO;
/***********************************************************************/
/* CATALOG: base class for catalog classes. */
/***********************************************************************/
class DllExport CATALOG {
friend class RELDEF;
friend class TABDEF;
friend class DIRDEF;
friend class OEMDEF;
public:
CATALOG(void); // Constructor
virtual ~CATALOG() = default; // Make -Wdelete-non-virtual-dtor happy
// Implementation
int GetCblen(void) {return Cblen;}
bool GetDefHuge(void) {return DefHuge;}
void SetDefHuge(bool b) {DefHuge = b;}
char *GetCbuf(void) {return Cbuf;}
// Methods
virtual void Reset(void) {}
virtual bool CheckName(PGLOBAL, char*) {return true;}
virtual bool ClearName(PGLOBAL, PSZ) {return true;}
virtual PRELDEF MakeOneTableDesc(PGLOBAL, LPCSTR, LPCSTR) {return NULL;}
virtual PRELDEF GetTableDescEx(PGLOBAL, PTABLE) {return NULL;}
//virtual PRELDEF GetTableDesc(PGLOBAL, LPCSTR, LPCSTR,
// PRELDEF* = NULL) {return NULL;}
virtual PRELDEF GetFirstTable(PGLOBAL) {return NULL;}
virtual PRELDEF GetNextTable(PGLOBAL) {return NULL;}
virtual bool TestCond(PGLOBAL, const char*, const char*) {return true;}
virtual bool DropTable(PGLOBAL, PSZ, bool) {return true;}
virtual PTDB GetTable(PGLOBAL, PTABLE,
MODE = MODE_READ, LPCSTR = NULL) {return NULL;}
virtual void TableNames(PGLOBAL, char*, int, int[]) {}
virtual void ColumnNames(PGLOBAL, char*, char*, int, int[]) {}
virtual void ColumnDefs(PGLOBAL, char*, char*, int, int[]) {}
virtual void *DecodeValues(PGLOBAL, char*, char*, char*,
int, int[]) {return NULL;}
virtual int ColumnType(PGLOBAL, char*, char*) {return 0;}
virtual void ClearDB(PGLOBAL) {}
protected:
virtual bool ClearSection(PGLOBAL, const char*, const char*) {return true;}
//virtual PRELDEF MakeTableDesc(PGLOBAL, LPCSTR, LPCSTR) {return NULL;}
// Members
char *Cbuf; /* Buffer used for col section */
int Cblen; /* Length of suballoc. buffer */
CURTAB Ctb; /* Used to enumerate tables */
bool DefHuge; /* true: tables default to huge */
}; // end of class CATALOG
#endif // __CATALOG__H
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