diff options
Diffstat (limited to 'sql/sql_base.cc')
| -rw-r--r-- | sql/sql_base.cc | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 1100a452b15..7ebdc90f8b3 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -3576,14 +3576,35 @@ find_field_in_tables(THD *thd, Item_ident *item, { Field *cur_field= find_field_in_table_ref(thd, cur_table, name, length, item->name, db, table_name, ref, - check_privileges, allow_rowid, + check_privileges, + allow_rowid, &(item->cached_field_index), register_tree_change, &actual_table); if (cur_field) { if (cur_field == WRONG_GRANT) - return (Field*) 0; + { + if (thd->lex->sql_command != SQLCOM_SHOW_FIELDS) + return (Field*) 0; + + thd->clear_error(); + cur_field= find_field_in_table_ref(thd, cur_table, name, length, + item->name, db, table_name, ref, + false, + allow_rowid, + &(item->cached_field_index), + register_tree_change, + &actual_table); + if (cur_field) + { + Field *nf=new Field_null(NULL,0,Field::NONE, + cur_field->field_name, + cur_field->table, + &my_charset_bin); + cur_field= nf; + } + } /* Store the original table of the field, which may be different from @@ -3606,7 +3627,7 @@ find_field_in_tables(THD *thd, Item_ident *item, report_error == IGNORE_EXCEPT_NON_UNIQUE) my_error(ER_NON_UNIQ_ERROR, MYF(0), table_name ? item->full_name() : name, thd->where); - return (Field*) 0; + return (Field*) 0; } found= cur_field; } |