1 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2  * Copyright (C) 1998-1999  Brian Bruns
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19 #include "common.h"
20 #include <replacements.h>
21 
22 #include <common/test_assert.h>
23 
24 static char *
varchar_as_string(TDSSOCKET * tds,int col_idx)25 varchar_as_string(TDSSOCKET * tds, int col_idx)
26 {
27 	static char result[256];
28 	const void *value = tds->res_info->columns[col_idx]->column_data;
29 
30 	strlcpy(result, (const char *) value, sizeof(result));
31 	return result;
32 }
33 
34 
35 int
main(int argc,char ** argv)36 main(int argc, char **argv)
37 {
38 	TDSLOGIN *login;
39 	TDSSOCKET *tds;
40 	int verbose = 0;
41 	int rc, i;
42 
43 	int result_type;
44 	int rows_returned = 0;
45 
46 	const char *len200 =
47 		"01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789";
48 	char *long_query = (char*) malloc(5000);
49 
50 	strcpy(long_query, "SELECT name FROM #longquerytest WHERE (");
51 	for (i = 0; i < 20; ++i)
52 		sprintf(strchr(long_query, 0), "name = '%c%s' OR ", 'A'+i, len200);
53 	strcat(long_query, "name = 'correct')");
54 
55 	fprintf(stdout, "%s: Test large (>4096 bytes) queries\n", __FILE__);
56 	rc = try_tds_login(&login, &tds, __FILE__, verbose);
57 	if (rc != TDS_SUCCESS) {
58 		fprintf(stderr, "try_tds_login() failed\n");
59 		return 1;
60 	}
61 
62 	/* do not check error here, if TABLE is not create this give error */
63 	rc = run_query(tds, "DROP TABLE #longquerytest");
64 	rc = run_query(tds, "CREATE TABLE #longquerytest (name varchar(255))");
65 	if (rc != TDS_SUCCESS) {
66 		return 1;
67 	}
68 	rc = run_query(tds, "INSERT #longquerytest (name) VALUES ('incorrect')");
69 	if (rc != TDS_SUCCESS) {
70 		return 1;
71 	}
72 	rc = run_query(tds, "INSERT #longquerytest (name) VALUES ('correct')");
73 	if (rc != TDS_SUCCESS) {
74 		return 1;
75 	}
76 
77 	/*
78 	 * The heart of the test
79 	 */
80 	if (verbose) {
81 		fprintf(stdout, "block size %d\n", tds->conn->env.block_size);
82 	}
83 	rc = tds_submit_query(tds, long_query);
84 	while ((rc = tds_process_tokens(tds, &result_type, NULL, TDS_RETURN_ROWFMT|TDS_RETURN_ROW)) == TDS_SUCCESS) {
85 		switch (result_type) {
86 		case TDS_ROWFMT_RESULT:
87 			if (tds->res_info->columns[0]->column_type != SYBVARCHAR) {
88 				fprintf(stderr, "Wrong column_type in %s\n", __FILE__);
89 				return 1;
90 			}
91 			break;
92 		case TDS_ROW_RESULT:
93 			++rows_returned;
94 			if (verbose) {
95 				printf("col 0 is %s\n", varchar_as_string(tds, 0));
96 			}
97 			break;
98 		default:
99 			break;
100 		}
101 	}
102 	if (rc == TDS_FAIL) {
103 		fprintf(stderr, "tds_process_tokens() returned TDS_FAIL for long query\n");
104 		return 1;
105 	} else if (rc != TDS_NO_MORE_RESULTS) {
106 		fprintf(stderr, "tds_process_tokens() unexpected return\n");
107 	}
108 
109 	if (rows_returned != 1) {
110 		fprintf(stderr, "%d rows returned, 1 expected\n", rows_returned);
111 		return 1;
112 	}
113 
114 	/* do not check error here, if TABLE is not create this give error */
115 	rc = run_query(tds, "DROP TABLE #longquerytest");
116 
117 	try_tds_logout(login, tds, verbose);
118 	free(long_query);
119 	return 0;
120 }
121