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Fix for CONC-344: reset internal row counter before executing prepared statement

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This commit is contained in:
Georg Richter
2018-06-28 17:22:08 +02:00
parent dd54e6fa28
commit 9e1fef0bf2
2 changed files with 30 additions and 2 deletions
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29
unittest/libmariadb/ps_bugs.c
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@@ -4660,7 +4660,7 @@ static int test_codbc138(MYSQL *mysql)
int i= 0;
struct st_time_test {
char *statement;
const char *statement;
MYSQL_TIME tm;
} time_test[]= {
{"SELECT DATE_ADD('2018-02-01', INTERVAL -188 DAY)",
@@ -4752,9 +4752,36 @@ static int test_conc334(MYSQL *mysql)
return OK;
}
static int test_conc344(MYSQL *mysql)
{
MYSQL_STMT *stmt= mysql_stmt_init(mysql);
int rc;
rc= mysql_query(mysql, "CREATE OR REPLACE TABLE t1 (a int, b int)");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "INSERT INTO t1 VALUES (1,1), (2,2),(3,3),(4,4),(5,5)");
check_mysql_rc(rc, mysql);
rc= mysql_stmt_prepare(stmt, SL("SELECT * FROM t1 ORDER BY a"));
check_stmt_rc(rc, stmt);
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
while (!mysql_stmt_fetch(stmt));
FAIL_IF(mysql_stmt_num_rows(stmt) != 5, "expected 5 rows");
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_fetch(stmt);
diag("num_rows: %lld", mysql_stmt_num_rows(stmt));
FAIL_IF(mysql_stmt_num_rows(stmt) != 1, "expected 1 row");
mysql_stmt_close(stmt);
return OK;
}
struct my_tests_st my_tests[] = {
{"test_conc344", test_conc344, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc334", test_conc334, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_compress", test_compress, TEST_CONNECTION_NEW, CLIENT_COMPRESS, NULL, NULL},
{"test_codbc138", test_codbc138, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},