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
|
/* xb_ex_v4_create_dbf.cpp
XBase64 Software Library
Copyright (c) 1997,2003,2014,2022 Gary A Kunkel
The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.
Email Contact:
XDB-devel@lists.sourceforge.net
XDB-users@lists.sourceforge.net
This example demonstrates the creation of a Version IV file and and indices
Creates three files in folder "PROJECT_DATA_DIR"
Address.DBF - Table with all the data
Address.DBT - Memo (variable lenght char field) data
Address.MDX - File with index data
*/
#include <xbase.h>
using namespace xb;
int main()
{
#ifdef XB_DBF4_SUPPORT
xbSchema MyAddressBookRecord[] =
{
{ "LASTNAME", XB_CHAR_FLD, 20, 0 },
{ "FIRSTNAME", XB_CHAR_FLD, 15, 0 },
{ "COMPANY", XB_CHAR_FLD, 20, 0 },
{ "ADDRESS", XB_CHAR_FLD, 35, 0 },
{ "CITY", XB_CHAR_FLD, 30, 0 },
{ "STATECD", XB_CHAR_FLD, 2, 0 },
{ "ZIPCD", XB_CHAR_FLD, 10, 0 },
{ "BIRTHDATE", XB_DATE_FLD, 8, 0 },
{ "AMOUNT1", XB_NUMERIC_FLD, 9, 2 },
{ "AMOUNT2", XB_FLOAT_FLD, 12, 2 },
{ "FRIEND?", XB_LOGICAL_FLD, 1, 0 },
{ "FAMILY?", XB_LOGICAL_FLD, 1, 0 },
{ "BUSASSOC?", XB_LOGICAL_FLD, 1, 0 },
#ifdef XB_MEMO_SUPPORT
{ "NOTES", XB_MEMO_FLD, 10, 0 },
#endif
{ "",0,0,0 }
};
/* define the classes */
xbXBase x; /* initialize xbase */
x.SetDataDirectory( PROJECT_DATA_DIR ); /* where all the tables/files live */
xbInt16 iRc;
xbDbf * MyDbfFile;
#ifdef XB_MDX_SUPPORT
xbIx *pIx;
void *pTag;
#endif // XB_MDX_SUPPORT
MyDbfFile = new xbDbf4( &x );
if(( iRc = MyDbfFile->CreateTable( "Address.DBF", "Address", MyAddressBookRecord, XB_OVERLAY, XB_MULTI_USER )) != XB_NO_ERROR )
x.DisplayError( iRc );
else
{
#ifdef XB_MDX_SUPPORT
/*
Create a few index tags
CreateTag( const xbString &sIxType, const xbString &sName, const xbString &sKey, const xbString &sFilter,
xbInt16 iDescending, xbInt16 iUnique, xbInt16 iOverLay, xbIx **xbIxOut, void **vpTagOut );
*/
// std::cout << "Creating three index tags\n";
if(( iRc = MyDbfFile->CreateTag( "MDX", "NAME", "LASTNAME+FIRSTNAME", ".NOT. DELETED()", 0, 0, XB_OVERLAY, &pIx, &pTag )) != XB_NO_ERROR )
x.DisplayError( iRc );
if(( iRc = MyDbfFile->CreateTag( "MDX", "BDDATE", "BIRTHDATE", ".NOT. DELETED()", 0, 0, XB_OVERLAY, &pIx, &pTag )) != XB_NO_ERROR )
x.DisplayError( iRc );
if(( iRc = MyDbfFile->CreateTag( "MDX", "COMPANY", "COMPANY+LASTNAME+FIRSTNAME", ".NOT. DELETED()", 0, 0, XB_OVERLAY, &pIx, &pTag )) != XB_NO_ERROR )
x.DisplayError( iRc );
#endif // XB_MDX_SUPPORT
}
MyDbfFile->Close(); /* Close database and associated indexes */
#endif // XB_DBF4_SUPPORT
return 0;
}
|
