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
|
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "common.h"
static void print_all_results(HSTMT hstmt)
{
int i;
int rc = SQL_SUCCESS;
for (i = 1; rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO; i++)
{
/*** Verify column metadata/name and row data in each result ***/
printf("--%d\n", i);
print_result_meta(hstmt);
print_result_with_column_names(hstmt);
rc = SQLMoreResults(hstmt);
}
if (rc != SQL_NO_DATA)
CHECK_STMT_RESULT(rc, "SQLMoreResults failed", hstmt);
}
int main(int argc, char **argv)
{
int rc;
HSTMT hstmt = SQL_NULL_HSTMT;
char *param1;
SQLLEN cbParam1;
char *param2;
SQLLEN cbParam2;
SQLSMALLINT colcount;
test_connect();
rc = SQLAllocHandle(SQL_HANDLE_STMT, conn, &hstmt);
if (!SQL_SUCCEEDED(rc))
{
print_diag("failed to allocate stmt handle", SQL_HANDLE_DBC, conn);
exit(1);
}
/*** Simple multi-statement with two queries ***/
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SELECT 1; SELECT 2", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_all_results(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/*** More queries ***/
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SELECT 1; SELECT 'foo', 'bar'; SELECT 3; SELECT 4", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_all_results(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/*** Spurious semicolons ***/
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SELECT 'foo', 'bar';;; SELECT 'foobar'; ", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_all_results(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/*** Different column name, type and source between results for the same column index ***/
rc = SQLExecDirect(hstmt, (SQLCHAR *) "SELECT id, t FROM testtab1; SELECT t, 2 result FROM testtab1", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLExecDirect failed", hstmt);
print_all_results(hstmt);
rc = SQLFreeStmt(hstmt, SQL_CLOSE);
CHECK_STMT_RESULT(rc, "SQLFreeStmt failed", hstmt);
/*** Prepare/Execute a multi-statement with parameters ***/
rc = SQLPrepare(hstmt, (SQLCHAR *) "SELECT 'first result set', id, t FROM testtab1 WHERE t = ?; SELECT 'second result set', t FROM testtab1 WHERE t = ?", SQL_NTS);
CHECK_STMT_RESULT(rc, "SQLPrepare failed", hstmt);
/* bind params */
param1 = "foo";
cbParam1 = 8;
rc = SQLBindParameter(hstmt, 1, SQL_PARAM_INPUT,
SQL_C_CHAR, /* value type */
SQL_CHAR, /* param type */
20, /* column size */
0, /* dec digits */
param1, /* param value ptr */
0, /* buffer len */
&cbParam1 /* StrLen_or_IndPtr */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
param2 = "bar";
cbParam2 = 8;
rc = SQLBindParameter(hstmt, 2, SQL_PARAM_INPUT,
SQL_C_CHAR, /* value type */
SQL_CHAR, /* param type */
20, /* column size */
0, /* dec digits */
param2, /* param value ptr */
0, /* buffer len */
&cbParam2 /* StrLen_or_IndPtr */);
CHECK_STMT_RESULT(rc, "SQLBindParameter failed", hstmt);
/* Test SQLNumResultCols, called before SQLExecute() */
rc = SQLNumResultCols(hstmt, &colcount);
CHECK_STMT_RESULT(rc, "SQLNumResultCols failed", hstmt);
printf("# of result cols: %d\n", colcount);
/* Execute */
rc = SQLExecute(hstmt);
CHECK_STMT_RESULT(rc, "SQLExecute failed", hstmt);
print_all_results(hstmt);
/* Clean up */
test_disconnect();
return 0;
}
|
