1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*************** TabCol H Declares Source Code File (.H) ***************/
/* Name: TABCOL.H Version 2.8 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 1998-2013 */
/* */
/* This file contains the XTAB, COLUMN and XORDER class definitions. */
/***********************************************************************/
/***********************************************************************/
/* Include required application header files */
/* block.h is header containing Block global declarations. */
/***********************************************************************/
#include "xobject.h"
/***********************************************************************/
/* Definition of class XTAB with all its method functions. */
/***********************************************************************/
class DllExport XTAB: public BLOCK { // Table Name-Schema-Srcdef block.
friend class TDBPRX;
friend class TDBTBM;
public:
// Constructors
XTAB(LPCSTR name, LPCSTR srcdef = NULL);
XTAB(PTABLE tp);
// Implementation
PTABLE GetNext(void) {return Next;}
PTDB GetTo_Tdb(void) {return To_Tdb;}
LPCSTR GetName(void) {return Name;}
LPCSTR GetSrc(void) {return Srcdef;}
LPCSTR GetSchema(void) {return Schema;}
LPCSTR GetQualifier(void) {return Qualifier;}
void SetTo_Tdb(PTDB tdbp) {To_Tdb = tdbp;}
void SetName(LPCSTR name) {Name = name;}
void SetSrc(LPCSTR srcdef) {Srcdef = srcdef;}
void SetSchema(LPCSTR schname) {Schema = schname;}
void SetQualifier(LPCSTR qname) {Qualifier = qname;}
// Methods
PTABLE Link(PTABLE);
void Printf(PGLOBAL g, FILE *f, uint n);
void Prints(PGLOBAL g, char *ps, uint z);
protected:
// Members
PTABLE Next; // Points to next table in chain
PTDB To_Tdb; // Points to Table description Block
LPCSTR Name; // Table name
LPCSTR Srcdef; // Table Source definition
LPCSTR Schema; // Schema name
LPCSTR Qualifier; // Qualifier name
}; // end of class XTAB
/***********************************************************************/
/* Definition of class COLUMN with all its method functions. */
/* Note: because of LNA routines, the constantness of Name was */
/* removed and constructing a COLUMN with null name was allowed. */
/* Perhaps this should be replaced by the use of a specific class. */
/***********************************************************************/
class DllExport COLUMN: public XOBJECT { // Column Name/Qualifier block.
public:
// Constructor
COLUMN(LPCSTR name);
// Implementation
virtual int GetType(void) {return TYPE_COLUMN;}
virtual int GetResultType(void) {assert(false); return TYPE_VOID;}
virtual int GetLength(void) {assert(false); return 0;}
virtual int GetLengthEx(void) {assert(false); return 0;}
virtual int GetScale() {assert(false); return 0;};
LPCSTR GetName(void) {return Name;}
LPCSTR GetQualifier(void) {return Qualifier;}
PTABLE GetTo_Table(void) {return To_Table;}
PCOL GetTo_Col(void) {return To_Col;}
void SetQualifier(LPCSTR qualif) {Qualifier = qualif;}
void SetTo_Table(PTABLE tablep) {To_Table = tablep;}
void SetTo_Col(PCOL colp) {To_Col = colp;}
// Methods
virtual void Printf(PGLOBAL g, FILE *f, uint n);
virtual void Prints(PGLOBAL g, char *ps, uint z);
// All methods below should never be used for COLUMN's
virtual void Reset(void) {assert(false);}
virtual bool Compare(PXOB) {assert(false); return false;}
virtual bool SetFormat(PGLOBAL, FORMAT&);
virtual bool Eval(PGLOBAL) {assert(false); return true;}
private:
// Members
PTABLE To_Table; // Point to Table Name Block
PCOL To_Col; // Points to Column Description Block
LPCSTR const Name; // Column name
LPCSTR Qualifier; // Qualifier name
}; // end of class COLUMN
/***********************************************************************/
/* Definition of class SPCCOL with all its method functions. */
/* Note: Currently the special columns are ROWID, ROWNUM, FILEID, */
/* SERVID, TABID, PARTID, and CONID. */
/***********************************************************************/
class SPCCOL: public COLUMN { // Special Column Name/Qualifier block.
public:
// Constructor
SPCCOL(LPCSTR name) : COLUMN(name) {}
private:
// Members
}; // end of class SPCCOL
|
