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  1. MariaDB Server
  2. MDEV-21405

Assertion `(flags & ulint(~BTR_KEEP_IBUF_BITMAP)) == BTR_NO_LOCKING_FLAG' failed in btr_cur_pessimistic_insert

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      --source include/have_innodb.inc
       
      CREATE TABLE t1 (a INT DEFAULT 0) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
      INSERT INTO t1 () VALUES
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          (),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),();
      ALTER TABLE t1 ADD b INT;
      ALTER TABLE t1 ADD c DOUBLE;
      ALTER TABLE t1 DROP b;
      ALTER TABLE t1 ADD d SMALLINT;
      ALTER TABLE t1 ADD e MEDIUMINT;
      INSERT INTO t1 (d,e) VALUES
          (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(0,0),
          (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(0,0);
      DELETE FROM t1 LIMIT 9;
      INSERT INTO t1 (d,e) VALUES
          (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(0,0),
          (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(0,0);
      ALTER TABLE t1 ADD COLUMN f INT;
      INSERT INTO t1 () VALUES ();
      ALTER TABLE t1 ADD COLUMN g BINARY(40) DEFAULT '';
       
      # Cleanup
      DROP TABLE t1;
      

      10.3 808bc919

      mysqld: /data/src/10.3/storage/innobase/btr/btr0cur.cc:3669: dberr_t btr_cur_pessimistic_insert(ulint, btr_cur_t*, offset_t**, mem_heap_t**, dtuple_t*, rec_t**, big_rec_t**, ulint, que_thr_t*, mtr_t*): Assertion `(flags & ulint(~BTR_KEEP_IBUF_BITMAP)) == BTR_NO_LOCKING_FLAG' failed.
      191229 22:08:17 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f2fff43ef12 in __GI___assert_fail (assertion=0x55e0b4e28818 "(flags & ulint(~BTR_KEEP_IBUF_BITMAP)) == BTR_NO_LOCKING_FLAG", file=0x55e0b4e26e18 "/data/src/10.3/storage/innobase/btr/btr0cur.cc", line=3669, function=0x55e0b4e2d260 <btr_cur_pessimistic_insert(unsigned long, btr_cur_t*, unsigned short**, mem_block_info_t**, dtuple_t*, unsigned char**, big_rec_t**, unsigned long, que_thr_t*, mtr_t*)::__PRETTY_FUNCTION__> "dberr_t btr_cur_pessimistic_insert(ulint, btr_cur_t*, offset_t**, mem_heap_t**, dtuple_t*, rec_t**, big_rec_t**, ulint, que_thr_t*, mtr_t*)") at assert.c:101
      #8  0x000055e0b472d19d in btr_cur_pessimistic_insert (flags=7, cursor=0x7f2ff87dc6b0, offsets=0x7f2ff87dc620, heap=0x7f2ff87dc628, entry=0x7f2fa804ced8, rec=0x7f2ff87dc508, big_rec=0x7f2ff87dc4f0, n_ext=0, thr=0x0, mtr=0x7f2ff87dc7c0) at /data/src/10.3/storage/innobase/btr/btr0cur.cc:3669
      #9  0x000055e0b4732150 in btr_cur_pessimistic_update (flags=10, cursor=0x7f2ff87dc6b0, offsets=0x7f2ff87dc620, offsets_heap=0x7f2ff87dc628, entry_heap=0x7f2fa8047e20, big_rec=0x7f2ff87dc630, update=0x7f2fa804ccc0, cmpl_info=1, thr=0x7f2fa804cc00, trx_id=80, mtr=0x7f2ff87dc7c0) at /data/src/10.3/storage/innobase/btr/btr0cur.cc:4907
      #10 0x000055e0b44a4050 in innobase_add_instant_try (ctx=0x7f2fa8014738, altered_table=0x7f2fa804b230, table=0x7f2fa80442c0, trx=0x7f2ff92d61c8) at /data/src/10.3/storage/innobase/handler/handler0alter.cc:4412
      #11 0x000055e0b44bd832 in commit_try_norebuild (ha_alter_info=0x7f2ff87de1d0, ctx=0x7f2fa8014738, altered_table=0x7f2fa804b230, old_table=0x7f2fa80442c0, trx=0x7f2ff92d61c8, table_name=0x7f2fa804117d "t1") at /data/src/10.3/storage/innobase/handler/handler0alter.cc:8794
      #12 0x000055e0b44b50f3 in ha_innobase::commit_inplace_alter_table (this=0x7f2fa80a4ba8, altered_table=0x7f2fa804b230, ha_alter_info=0x7f2ff87de1d0, commit=true) at /data/src/10.3/storage/innobase/handler/handler0alter.cc:9462
      #13 0x000055e0b42413c7 in handler::ha_commit_inplace_alter_table (this=0x7f2fa80a4ba8, altered_table=0x7f2fa804b230, ha_alter_info=0x7f2ff87de1d0, commit=true) at /data/src/10.3/sql/handler.cc:4576
      #14 0x000055e0b3ffecfb in mysql_inplace_alter_table (thd=0x7f2fa8000af0, table_list=0x7f2fa8012928, table=0x7f2fa80442c0, altered_table=0x7f2fa804b230, ha_alter_info=0x7f2ff87de1d0, inplace_supported=HA_ALTER_INPLACE_INSTANT, target_mdl_request=0x7f2ff87de340, alter_ctx=0x7f2ff87de8f0) at /data/src/10.3/sql/sql_table.cc:7678
      #15 0x000055e0b400546b in mysql_alter_table (thd=0x7f2fa8000af0, new_db=0x7f2fa80051d8, new_name=0x7f2fa8005598, create_info=0x7f2ff87df4e0, table_list=0x7f2fa8012928, alter_info=0x7f2ff87df420, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:9918
      #16 0x000055e0b4093799 in Sql_cmd_alter_table::execute (this=0x7f2fa8013168, thd=0x7f2fa8000af0) at /data/src/10.3/sql/sql_alter.cc:500
      #17 0x000055e0b3f25320 in mysql_execute_command (thd=0x7f2fa8000af0) at /data/src/10.3/sql/sql_parse.cc:6031
      #18 0x000055e0b3f2aa81 in mysql_parse (thd=0x7f2fa8000af0, rawbuf=0x7f2fa8012818 "ALTER TABLE t1 ADD COLUMN g BINARY(40) DEFAULT ''", length=49, parser_state=0x7f2ff87e05e0, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7818
      #19 0x000055e0b3f175cd in dispatch_command (command=COM_QUERY, thd=0x7f2fa8000af0, packet=0x7f2fa81656a1 "ALTER TABLE t1 ADD COLUMN g BINARY(40) DEFAULT ''", packet_length=49, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1856
      #20 0x000055e0b3f15f15 in do_command (thd=0x7f2fa8000af0) at /data/src/10.3/sql/sql_parse.cc:1401
      #21 0x000055e0b408d89a in do_handle_one_connection (connect=0x55e0b7f67a10) at /data/src/10.3/sql/sql_connect.cc:1403
      #22 0x000055e0b408d5fc in handle_one_connection (arg=0x55e0b7f67a10) at /data/src/10.3/sql/sql_connect.cc:1308
      #23 0x000055e0b4a3c1d4 in pfs_spawn_thread (arg=0x55e0b7ead020) at /data/src/10.3/storage/perfschema/pfs.cc:1862
      #24 0x00007f30013c74a4 in start_thread (arg=0x7f2ff87e1700) at pthread_create.c:456
      #25 0x00007f2fff4fbd0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
      

      Couldn't reproduce on 10.2 or 10.4.
      No obvious effect on a non-debug build.

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