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  1. MariaDB Server
  2. MDEV-17697

Broken versioning info after instant drop column

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      Assertion `col.vers_sys_end()' failed in dict_index_t::vers_history_row after dropping column

      --source include/have_innodb.inc
       
      CREATE TABLE t1 (a INT, b INT) ENGINE=InnoDB WITH SYSTEM VERSIONING;
      INSERT INTO t1 VALUES (1,1);
      SET SESSION system_versioning_alter_history= KEEP;
      ALTER TABLE t1 DROP COLUMN b;
      ALTER TABLE t1 DROP SYSTEM VERSIONING;
       
      # Cleanup
      DROP TABLE t1;
      

      10.4 b5ac863f14

      mysqld: /data/src/10.4/storage/innobase/dict/dict0mem.cc:1330: bool dict_index_t::vers_history_row(const rec_t*, const ulint*): Assertion `col.vers_sys_end()' failed.
      181123  1:48:35 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007ff57c47eee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x0000559ebf3567c4 in dict_index_t::vers_history_row (this=0x7ff51c12df58, rec=0x7ff575fa007e "", offsets=0x7ff51c057e18) at /data/src/10.4/storage/innobase/dict/dict0mem.cc:1330
      #9  0x0000559ebf1a85f5 in row_merge_read_clustered_index (trx=0x7ff5762bb118, table=0x7ff51c049620, old_table=0x7ff51c12b7f8, new_table=0x7ff51c12ca28, online=false, index=0x7ff51c0a90d0, fts_sort_idx=0x0, psort_info=0x0, files=0x7ff51c15f980, key_numbers=0x7ff51c0a90d8, n_index=1, defaults=0x0, add_v=0x0, col_map=0x7ff51c0a9128, add_autoinc=18446744073709551615, sequence=..., block=0x7ff574153000 "", skip_pk_sort=true, tmpfd=0x7ff5757c0da0, stage=0x7ff51c158ea0, pct_cost=50, crypt_block=0x0, eval_table=0x7ff51c049620, allow_not_null=false) at /data/src/10.4/storage/innobase/row/row0merge.cc:2330
      #10 0x0000559ebf1af602 in row_merge_build_indexes (trx=0x7ff5762bb118, old_table=0x7ff51c12b7f8, new_table=0x7ff51c12ca28, online=false, indexes=0x7ff51c0a90d0, key_numbers=0x7ff51c0a90d8, n_indexes=1, table=0x7ff51c049620, defaults=0x0, col_map=0x7ff51c0a9128, add_autoinc=18446744073709551615, sequence=..., skip_pk_sort=true, stage=0x7ff51c158ea0, add_v=0x0, eval_table=0x7ff51c049620, allow_not_null=false) at /data/src/10.4/storage/innobase/row/row0merge.cc:4766
      #11 0x0000559ebf099f0e in ha_innobase::inplace_alter_table (this=0x7ff51c12e8d8, altered_table=0x7ff51c049620, ha_alter_info=0x7ff5757c1bb0) at /data/src/10.4/storage/innobase/handler/handler0alter.cc:8041
      #12 0x0000559ebeb1571b in handler::ha_inplace_alter_table (this=0x7ff51c12e8d8, altered_table=0x7ff51c049620, ha_alter_info=0x7ff5757c1bb0) at /data/src/10.4/sql/handler.h:4183
      #13 0x0000559ebeb0ae46 in mysql_inplace_alter_table (thd=0x7ff51c000b00, table_list=0x7ff51c014e90, table=0x7ff51c131210, altered_table=0x7ff51c049620, ha_alter_info=0x7ff5757c1bb0, inplace_supported=HA_ALTER_INPLACE_COPY_LOCK, target_mdl_request=0x7ff5757c1ce0, alter_ctx=0x7ff5757c28d0) at /data/src/10.4/sql/sql_table.cc:7555
      #14 0x0000559ebeb10e8d in mysql_alter_table (thd=0x7ff51c000b00, new_db=0x7ff51c0051b8, new_name=0x7ff51c005588, create_info=0x7ff5757c34c0, table_list=0x7ff51c014e90, alter_info=0x7ff5757c3400, order_num=0, order=0x0, ignore=false) at /data/src/10.4/sql/sql_table.cc:9694
      #15 0x0000559ebeb9a015 in Sql_cmd_alter_table::execute (this=0x7ff51c0154d0, thd=0x7ff51c000b00) at /data/src/10.4/sql/sql_alter.cc:497
      #16 0x0000559ebea394aa in mysql_execute_command (thd=0x7ff51c000b00) at /data/src/10.4/sql/sql_parse.cc:6289
      #17 0x0000559ebea3e3ce in mysql_parse (thd=0x7ff51c000b00, rawbuf=0x7ff51c014d98 "ALTER TABLE t1 DROP SYSTEM VERSIONING", length=37, parser_state=0x7ff5757c4600, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:8091
      #18 0x0000559ebea2b6cd in dispatch_command (command=COM_QUERY, thd=0x7ff51c000b00, packet=0x7ff51c093d91 "ALTER TABLE t1 DROP SYSTEM VERSIONING", packet_length=37, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1851
      #19 0x0000559ebea2a0f1 in do_command (thd=0x7ff51c000b00) at /data/src/10.4/sql/sql_parse.cc:1396
      #20 0x0000559ebeb94294 in do_handle_one_connection (connect=0x559ec15becb0) at /data/src/10.4/sql/sql_connect.cc:1402
      #21 0x0000559ebeb94018 in handle_one_connection (arg=0x559ec15becb0) at /data/src/10.4/sql/sql_connect.cc:1308
      #22 0x0000559ebf03a1d9 in pfs_spawn_thread (arg=0x559ec1643f80) at /data/src/10.4/storage/perfschema/pfs.cc:1862
      #23 0x00007ff57df3a494 in start_thread (arg=0x7ff5757c5700) at pthread_create.c:333
      #24 0x00007ff57c53b93f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

      Not reproducible on 10.3.

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              Assignee:
              marko Marko Mäkelä
              Reporter:
              elenst Elena Stepanova
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                Updated:
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