diff --git a/innobase/row/row0sel.c b/innobase/row/row0sel.c index 52228caccb0..2de02081176 100644 --- a/innobase/row/row0sel.c +++ b/innobase/row/row0sel.c @@ -2912,14 +2912,19 @@ row_search_for_mysql( ut_error; } - if (trx->n_mysql_tables_in_use == 0) { + if (trx->n_mysql_tables_in_use == 0 + && prebuilt->select_lock_type == LOCK_NONE) { + /* Note that if MySQL uses an InnoDB temp table that it + created inside LOCK TABLES, then n_mysql_tables_in_use can + be zero; in that case select_lock_type is set to LOCK_X in + ::start_stmt. */ + fputs( "InnoDB: Error: MySQL is trying to perform a SELECT\n" "InnoDB: but it has not locked any tables in ::external_lock()!\n", stderr); trx_print(stderr, trx); fputc('\n', stderr); - ut_a(0); } /* fprintf(stderr, "Match mode %lu\n search tuple ", (ulong) match_mode);