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Fix for CONC155: return trailing zero when fetching from binary columns

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into string
This commit is contained in:
Georg Richter
2016-02-09 08:43:16 +01:00
parent a56d19397e
commit 448b68023c
2 changed files with 56 additions and 0 deletions
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46
unittest/libmariadb/ps_bugs.c
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@@ -4012,7 +4012,52 @@ static int test_conc154(MYSQL *mysql)
return OK;
}
static int test_conc155(MYSQL *mysql)
{
MYSQL_STMT *stmt;
MYSQL_BIND bind;
char buffer[50];
int rc;
rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "CREATE TABLE t1 (a TEXT)");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "INSERT INTO t1 VALUES ('zero terminated string')");
check_mysql_rc(rc, mysql);
stmt= mysql_stmt_init(mysql);
rc= mysql_stmt_prepare(stmt, "SELECT a FROM t1", strlen("SELECT a FROM t1"));
check_stmt_rc(rc, stmt);
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
memset(buffer, 'X', 50);
memset(&bind, 0, sizeof(MYSQL_BIND));
bind.buffer= buffer;
bind.buffer_length= 50;
bind.buffer_type= MYSQL_TYPE_STRING;
rc= mysql_stmt_bind_result(stmt, &bind);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_fetch(stmt);
check_stmt_rc(rc, stmt);
if (strlen(buffer) != strlen("zero terminated string"))
{
diag("Wrong buffer length");
return FAIL;
}
mysql_stmt_close(stmt);
return OK;
}
struct my_tests_st my_tests[] = {
{"test_conc155", test_conc155, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_conc154", test_conc154, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
{"test_conc141", test_conc141, TEST_CONNECTION_NEW, 0, NULL , NULL},
{"test_conc67", test_conc67, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
@@ -4083,3 +4128,4 @@ int main(int argc, char **argv)
return(exit_status());
}