diff options
Diffstat (limited to 'innobase/pars/pars0opt.c')
| -rw-r--r-- | innobase/pars/pars0opt.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/innobase/pars/pars0opt.c b/innobase/pars/pars0opt.c index 5cc2e39b438..51aaf02b736 100644 --- a/innobase/pars/pars0opt.c +++ b/innobase/pars/pars0opt.c @@ -1094,6 +1094,19 @@ opt_clust_access( for (i = 0; i < n_fields; i++) { pos = dict_index_get_nth_field_pos(index, clust_index, i); + ut_a(pos != ULINT_UNDEFINED); + + /* We optimize here only queries to InnoDB's internal system + tables, and they should not contain column prefix indexes. */ + + if (dict_index_get_nth_field(index, pos)->prefix_len != 0 + || dict_index_get_nth_field(clust_index, i) + ->prefix_len != 0) { + fprintf(stderr, +"InnoDB: Error in pars0opt.c: table %s has prefix_len != 0\n", + index->table_name); + } + *(plan->clust_map + i) = pos; ut_ad((pos != ULINT_UNDEFINED) |