Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-16500

Assertion `user_table->n_def > table->s->fields' failed in innobase_get_col_names upon ALTER TABLE with virtual columns

    XMLWordPrintable

    Details

      Description

      --source include/have_innodb.inc
      CREATE TABLE t1 (a INT, va INT AS (a), b INT, vb INT AS (b), c INT, vc INT AS (c), d INT) ENGINE=InnoDB;
      ALTER TABLE t1 CHANGE COLUMN d e INT;
       
      # Cleanup
      DROP TABLE t1;
      

      10.1 c22ab56f0

      mysqld: /data/src/10.1/storage/innobase/handler/handler0alter.cc:2649: const char** innobase_get_col_names(Alter_inplace_info*, const TABLE*, const TABLE*, const dict_table_t*, mem_heap_t*): Assertion `user_table->n_def > table->s->fields' failed.
      180616  0:09:49 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f4be012fee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x00007f4bd9713c0a in innobase_get_col_names (ha_alter_info=0x7f4be21a0b00, altered_table=0x7f4bca28d070, table=0x7f4bca081c70, user_table=0x7f4bdaff2678, heap=0x7f4bca0a3700) at /data/src/10.1/storage/innobase/handler/handler0alter.cc:2649
      #9  0x00007f4bd9717306 in ha_innodb::prepare_inplace_alter_table (this=0x7f4bca0b0888, altered_table=0x7f4bca28d070, ha_alter_info=0x7f4be21a0b00) at /data/src/10.1/storage/innobase/handler/handler0alter.cc:3766
      #10 0x000055eb3c4fe62f in handler::ha_prepare_inplace_alter_table (this=0x7f4bca0b0888, altered_table=0x7f4bca28d070, ha_alter_info=0x7f4be21a0b00) at /data/src/10.1/sql/handler.cc:4205
      #11 0x000055eb3c37afec in mysql_inplace_alter_table (thd=0x7f4bd6bc7070, table_list=0x7f4bca043180, table=0x7f4bca081c70, altered_table=0x7f4bca28d070, ha_alter_info=0x7f4be21a0b00, inplace_supported=HA_ALTER_INPLACE_NO_LOCK_AFTER_PREPARE, target_mdl_request=0x7f4be21a0b70, alter_ctx=0x7f4be21a1710) at /data/src/10.1/sql/sql_table.cc:7164
      #12 0x000055eb3c37fbbc in mysql_alter_table (thd=0x7f4bd6bc7070, new_db=0x7f4bca043770 "test", new_name=0x0, create_info=0x7f4be21a2300, table_list=0x7f4bca043180, alter_info=0x7f4be21a2270, order_num=0, order=0x0, ignore=false) at /data/src/10.1/sql/sql_table.cc:9048
      #13 0x000055eb3c3f0e35 in Sql_cmd_alter_table::execute (this=0x7f4bca043868, thd=0x7f4bd6bc7070) at /data/src/10.1/sql/sql_alter.cc:325
      #14 0x000055eb3c2c0531 in mysql_execute_command (thd=0x7f4bd6bc7070) at /data/src/10.1/sql/sql_parse.cc:5696
      #15 0x000055eb3c2c4cbb in mysql_parse (thd=0x7f4bd6bc7070, rawbuf=0x7f4bca043088 "ALTER TABLE t1 CHANGE COLUMN d e INT", length=36, parser_state=0x7f4be21a35e0) at /data/src/10.1/sql/sql_parse.cc:7449
      #16 0x000055eb3c2b36f5 in dispatch_command (command=COM_QUERY, thd=0x7f4bd6bc7070, packet=0x7f4bd8ac3071 "ALTER TABLE t1 CHANGE COLUMN d e INT", packet_length=36) at /data/src/10.1/sql/sql_parse.cc:1492
      #17 0x000055eb3c2b247a in do_command (thd=0x7f4bd6bc7070) at /data/src/10.1/sql/sql_parse.cc:1121
      #18 0x000055eb3c3ec3c7 in do_handle_one_connection (thd_arg=0x7f4bd6bc7070) at /data/src/10.1/sql/sql_connect.cc:1330
      #19 0x000055eb3c3ec12b in handle_one_connection (arg=0x7f4bd6bc7070) at /data/src/10.1/sql/sql_connect.cc:1242
      #20 0x000055eb3c7a8af0 in pfs_spawn_thread (arg=0x7f4bdaff2670) at /data/src/10.1/storage/perfschema/pfs.cc:1861
      #21 0x00007f4be1e33494 in start_thread (arg=0x7f4be21a4b00) at pthread_create.c:333
      #22 0x00007f4be01ec93f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

      No crash on 10.2.
      No visible problems on a non-debug build.

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              serg Sergei Golubchik
              Reporter:
              elenst Elena Stepanova
              Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

                  Git Integration