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Workaround for MDEV-35935

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If the server returns an error packet without error number
(and message) we set errno=CR_ERR_MISSING_ERROR_INFO (5026)
This commit is contained in:
Georg Richter
2025-02-11 11:28:56 +01:00
parent 28ae227e80
commit 4877093937
4 changed files with 78 additions and 1 deletions
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69
unittest/libmariadb/errors.c
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@@ -272,8 +272,77 @@ static int test_parse_error_and_bad_length(MYSQL *mysql)
return OK;
}
#define TEST_ARRAY_SIZE 1024
static int test_mdev35935(MYSQL *mysql)
{
MYSQL_STMT *stmt= mysql_stmt_init(mysql);
const char *stmt_str= "INSERT INTO bulk1 (a,b) VALUES (?,?)";
unsigned int array_size= TEST_ARRAY_SIZE;
int rc;
unsigned int i;
char **buffer;
unsigned long *lengths;
unsigned int *vals;
MYSQL_BIND bind[2];
const char *data= "test";
SKIP_MYSQL(mysql);
rc= mysql_select_db(mysql, schema);
rc= mysql_query(mysql, "DROP TABLE IF EXISTS bulk1");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "CREATE TABLE bulk1 (a int , b VARCHAR(255))");
check_mysql_rc(rc, mysql);
rc= mysql_stmt_prepare(stmt, SL(stmt_str));
check_stmt_rc(rc, stmt);
rc= mysql_query(mysql, "ALTER TABLE bulk1 ADD c int");
check_mysql_rc(rc, mysql);
/* allocate memory */
buffer= calloc(TEST_ARRAY_SIZE, sizeof(char *));
lengths= calloc(TEST_ARRAY_SIZE, sizeof *lengths);
vals= calloc(TEST_ARRAY_SIZE, sizeof *vals);
for (i=0; i < TEST_ARRAY_SIZE; i++)
{
buffer[i]= (void *)data;
lengths[i]= -1;
vals[i]= i;
}
memset(bind, 0, sizeof(MYSQL_BIND) * 2);
bind[0].buffer_type= MYSQL_TYPE_LONG;
bind[0].buffer= vals;
bind[1].buffer_type= MYSQL_TYPE_STRING;
bind[1].buffer= (void *)buffer;
bind[1].length= (unsigned long *)lengths;
rc= mysql_stmt_attr_set(stmt, STMT_ATTR_ARRAY_SIZE, &array_size);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_bind_param(stmt, bind);
check_stmt_rc(rc, stmt);
if ((rc= mysql_stmt_execute(stmt)))
{
FAIL_IF((!mysql_stmt_errno(stmt) || !mysql_errno(mysql)), "Error number > 0 expected");
}
mysql_stmt_close(stmt);
rc= mysql_query(mysql, "DROP TABLE IF EXISTS bulk1");
check_mysql_rc(rc, mysql);
return OK;
}
struct my_tests_st my_tests[] = {
{"test_mdev35935", test_mdev35935, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
{"test_client_warnings", test_client_warnings, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
{"test_ps_client_warnings", test_ps_client_warnings, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},
{"test_server_warnings", test_server_warnings, TEST_CONNECTION_DEFAULT, 0, NULL , NULL},