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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2010 - DIGITEO - Yann Collette
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include <sci_mysql.h>
int sci_mysql_fetch_field_direct(char * fname)
{
int * sql_res_pointer_in = NULL;
int * extra = NULL;
void * ptr_in = NULL;
SciErr _SciErr;
double dbl_tmp = 0;
int * fieldnr = NULL;
double dfieldnr;
const char * FieldNames[] = {"mysql_field",
"name", /* Name of column */
"org_name", /* Original column name, if an alias */
"table", /* Table of column if column was a field */
"org_table", /* Org table name, if table was an alias */
"db", /* Database for table */
"catalog", /* Catalog for table */
"def", /* Default value (set by mysql_list_fields) */
"length", /* Width of column (create length) */
"max_length", /* Max width for selected set */
"flags", /* Div flags */
"decimals", /* Number of decimals in field */
"charsetnr", /* Character set */
"type"}; /* Type of field. See mysql_com.h for types */
MYSQL_RES * mysql_res_ptr = NULL;
MYSQL_FIELD * mysql_field_ptr = NULL;
CheckRhs(1,1);
CheckLhs(0,1);
_SciErr = getVarAddressFromPosition(pvApiCtx, 1, &sql_res_pointer_in);
getPointer(pvApiCtx, sql_res_pointer_in, &ptr_in);
mysql_res_ptr = (MYSQL_RES *)ptr_in;
if (mysql_res_ptr==NULL)
{
Scierror(999,"%s: problem with the mysql_res pointer\n", fname);
return 0;
}
_SciErr = getVarAddressFromPosition(pvApiCtx, 2, &fieldnr);
getScalarDouble(pvApiCtx, fieldnr, &dfieldnr);
mysql_field_ptr = mysql_fetch_field_direct(mysql_res_ptr, (unsigned int)dfieldnr);
if (mysql_field_ptr)
{
// Create the mlist
_SciErr = createMList(pvApiCtx, Rhs+1, 14, &extra);
// Add the fields
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 1, 1, 14, (char **)FieldNames);
if (mysql_field_ptr->name)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 2, 1, 1, &mysql_field_ptr->name);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 2, 0, 0, NULL);
}
if (mysql_field_ptr->org_name)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 3, 1, 1, &mysql_field_ptr->org_name);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 3, 0, 0, NULL);
}
if (mysql_field_ptr->table)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 4, 1, 1, &mysql_field_ptr->table);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 4, 0, 0, NULL);
}
if (mysql_field_ptr->org_table)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 5, 1, 1, &mysql_field_ptr->org_table);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 5, 0, 0, NULL);
}
if (mysql_field_ptr->db)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 6, 1, 1, &mysql_field_ptr->db);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 6, 0, 0, NULL);
}
if (mysql_field_ptr->catalog)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 7, 1, 1, &mysql_field_ptr->catalog);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 7, 0, 0, NULL);
}
if (mysql_field_ptr->def)
{
_SciErr = createMatrixOfStringInList(pvApiCtx, Rhs+1, extra, 8, 1, 1, &mysql_field_ptr->def);
}
else
{
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 8, 0, 0, NULL);
}
dbl_tmp = (double)mysql_field_ptr->length;
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 9, 1, 1, &dbl_tmp);
dbl_tmp = (double)mysql_field_ptr->max_length;
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 10, 1, 1, &dbl_tmp);
dbl_tmp = (double)mysql_field_ptr->flags;
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 11, 1, 1, &dbl_tmp);
dbl_tmp = (double)mysql_field_ptr->decimals;
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 12, 1, 1, &dbl_tmp);
dbl_tmp = (double)mysql_field_ptr->charsetnr;
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 13, 1, 1, &dbl_tmp);
dbl_tmp = (double)mysql_field_ptr->type;
_SciErr = createMatrixOfDoubleInList(pvApiCtx, Rhs+1, extra, 14, 1, 1, &dbl_tmp);
}
else
{
createEmptyMatrix(pvApiCtx, Rhs+1);
}
LhsVar(1) = Rhs+1;
return 0;
}
|
