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  1. MariaDB Server
  2. MDEV-22667

Multi-delete on table with unique blob and partitions: Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON, Error 126: Index is corrupted, Assertion `bitmap_is_set(&(m_part_info->read_partitions), m_last_part)' failed

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    Description

      Notes:

      • Possibly system versioning is not necessary, but I couldn't get rid of it.
      • While the test case does not use virtual columns explicitly, it is likely to be related to a number of virtual column bugs.
      • Without partitioning the InnoDB version of test case causes the assertion failure btr_validate_index(index, 0) for which we have plenty of reports already – MDEV-20661, MDEV-20618, etc.

      With InnoDB

      		 
      --source include/have_partition.inc
      		 
      --source include/have_innodb.inc
      		 
       
      		 
      CREATE TABLE t1 (a INT) ENGINE=InnoDB;
      		 
      INSERT  INTO t1 VALUES (1),(2),(3),(4),(5),(6);
      		 
       
      		 
      CREATE TABLE t2 (f BLOB UNIQUE) ENGINE=InnoDB WITH SYSTEM VERSIONING PARTITION BY system_time INTERVAL 1 WEEK (PARTITION p1 HISTORY, PARTITION pn CURRENT);
      		 
      INSERT INTO t2 VALUES (NULL),('');
      		 
       
      		 
      DELETE t2.* FROM t1, t2;
      		 
       
      		 
      # Cleanup
      		 
      DROP TABLE t1, t2;

      10.4 non-debug dc22acfd

      		 
      2020-05-22 14:49:55 0x7f10b4659700  InnoDB: Assertion failure in file /data/src/10.4/storage/innobase/row/row0mysql.cc line 1855
      		 
      InnoDB: Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON
      		 
       
      		 
      #6  0x0000564559da6a2f in ut_dbg_assertion_failed (expr=expr@entry=0x56455a75bc08 "node->pcur->rel_pos == BTR_PCUR_ON", file=file@entry=0x56455a75b3e0 "/data/src/10.4/storage/innobase/row/row0mysql.cc", line=line@entry=1855) at /data/src/10.4/storage/innobase/ut/ut0dbg.cc:60
      		 
      #7  0x000056455a2ad50f in row_update_for_mysql (prebuilt=0x7f105c0468c8) at /data/src/10.4/storage/innobase/row/row0mysql.cc:1855
      		 
      #8  0x000056455a1fa17a in ha_innobase::delete_row (this=0x7f105c04d320, record=0x7f105c050220 "\374") at /data/src/10.4/storage/innobase/handler/ha_innodb.cc:8921
      		 
      #9  0x000056455a07c2f7 in handler::ha_delete_row (this=0x7f105c04d320, buf=buf@entry=0x7f105c050220 "\374") at /data/src/10.4/sql/handler.cc:6814
      		 
      #10 0x000056455a50dd35 in ha_partition::delete_row (this=0x7f105c0439d0, buf=0x7f105c050220 "\374") at /data/src/10.4/sql/ha_partition.cc:4558
      		 
      #11 0x000056455a07c283 in handler::ha_delete_row (this=0x7f105c0439d0, buf=0x7f105c050220 "\374") at /data/src/10.4/sql/handler.cc:6814
      		 
      #12 0x000056455a199d87 in TABLE::delete_row (this=0x7f105c042bd8) at /data/src/10.4/sql/sql_delete.cc:289
      		 
      #13 multi_delete::send_data (this=0x7f105c011478, values=...) at /data/src/10.4/sql/sql_delete.cc:1346
      		 
      #14 0x0000564559ec4c8f in end_send (join=0x7f105c011a28, join_tab=0x7f105c0148f8, end_of_records=<optimized out>) at /data/src/10.4/sql/sql_select.cc:21555
      		 
      #15 0x0000564559ea7b9d in evaluate_join_record (join=join@entry=0x7f105c011a28, join_tab=join_tab@entry=0x7f105c014550, error=error@entry=0) at /data/src/10.4/sql/sql_select.cc:20586
      		 
      #16 0x0000564559eb5fef in sub_select (join=0x7f105c011a28, join_tab=0x7f105c014550, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:20405
      		 
      #17 0x0000564559ea7b9d in evaluate_join_record (join=join@entry=0x7f105c011a28, join_tab=join_tab@entry=0x7f105c0141a8, error=error@entry=0) at /data/src/10.4/sql/sql_select.cc:20586
      		 
      #18 0x0000564559eb5fef in sub_select (join=0x7f105c011a28, join_tab=0x7f105c0141a8, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:20405
      		 
      #19 0x0000564559ed636e in do_select (procedure=<optimized out>, join=0x7f105c011a28) at /data/src/10.4/sql/sql_select.cc:19904
      		 
      #20 JOIN::exec_inner (this=this@entry=0x7f105c011a28) at /data/src/10.4/sql/sql_select.cc:4459
      		 
      #21 0x0000564559ed6584 in JOIN::exec (this=this@entry=0x7f105c011a28) at /data/src/10.4/sql/sql_select.cc:4241
      		 
      #22 0x0000564559ed49d0 in mysql_select (thd=thd@entry=0x7f105c0009a8, tables=0x7f105c010598, wild_num=wild_num@entry=0, fields=..., conds=conds@entry=0x0, og_num=og_num@entry=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=3489926016, result=0x7f105c011478, unit=0x7f105c004710, select_lex=0x7f105c004f08) at /data/src/10.4/sql/sql_select.cc:4673
      		 
      #23 0x0000564559e80bba in mysql_execute_command (thd=thd@entry=0x7f105c0009a8) at /data/src/10.4/sql/sql_parse.cc:4784
      		 
      #24 0x0000564559e85ac9 in mysql_parse (thd=thd@entry=0x7f105c0009a8, rawbuf=<optimized out>, length=23, parser_state=parser_state@entry=0x7f10b46585b0, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /data/src/10.4/sql/sql_parse.cc:7900
      		 
      #25 0x0000564559e87cbf in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7f105c0009a8, packet=packet@entry=0x7f105c007a19 "DELETE t2.* FROM t1, t2", packet_length=packet_length@entry=23, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /data/src/10.4/sql/sql_parse.cc:1842
      		 
      #26 0x0000564559e89431 in do_command (thd=0x7f105c0009a8) at /data/src/10.4/sql/sql_parse.cc:1360
      		 
      #27 0x0000564559f58c04 in do_handle_one_connection (connect=connect@entry=0x56455d07c638) at /data/src/10.4/sql/sql_connect.cc:1412
      		 
      #28 0x0000564559f58cb4 in handle_one_connection (arg=arg@entry=0x56455d07c638) at /data/src/10.4/sql/sql_connect.cc:1316
      		 
      #29 0x000056455a4fb6a4 in pfs_spawn_thread (arg=0x56455d03d208) at /data/src/10.4/storage/perfschema/pfs.cc:1869
      		 
      #30 0x00007f10bd23a4a4 in start_thread (arg=0x7f10b4659700) at pthread_create.c:456
      		 
      #31 0x00007f10bb36ed0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

      10.4 debug dc22acfd

      		 
      mysqld: /data/src/10.4/sql/ha_partition.cc:5190: virtual void ha_partition::position(const uchar*): Assertion `bitmap_is_set(&(m_part_info->read_partitions), m_last_part)' failed.
      		 
      200522 14:52:37 [ERROR] mysqld got signal 6 ;
      		 
       
      		 
      #7  0x00007f3428f6ef12 in __GI___assert_fail (assertion=0x55ddf38abfb8 "bitmap_is_set(&(m_part_info->read_partitions), m_last_part)", file=0x55ddf38aaed0 "/data/src/10.4/sql/ha_partition.cc", line=5190, function=0x55ddf38af4c0 <ha_partition::position(unsigned char const*)::__PRETTY_FUNCTION__> "virtual void ha_partition::position(const uchar*)") at assert.c:101
      		 
      #8  0x000055ddf33a2ea4 in ha_partition::position (this=0x7f33d006b348, record=0x7f33d0072d58 "\374") at /data/src/10.4/sql/ha_partition.cc:5190
      		 
      #9  0x000055ddf2d1fc9c in multi_delete::send_data (this=0x7f33d0014850, values=...) at /data/src/10.4/sql/sql_delete.cc:1333
      		 
      #10 0x000055ddf287f3b1 in end_send (join=0x7f33d0014e00, join_tab=0x7f33d0017cd0, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:21555
      		 
      #11 0x000055ddf287ca43 in evaluate_join_record (join=0x7f33d0014e00, join_tab=0x7f33d0017928, error=0) at /data/src/10.4/sql/sql_select.cc:20586
      		 
      #12 0x000055ddf287c4de in sub_select (join=0x7f33d0014e00, join_tab=0x7f33d0017928, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:20405
      		 
      #13 0x000055ddf287ca43 in evaluate_join_record (join=0x7f33d0014e00, join_tab=0x7f33d0017580, error=0) at /data/src/10.4/sql/sql_select.cc:20586
      		 
      #14 0x000055ddf287c4de in sub_select (join=0x7f33d0014e00, join_tab=0x7f33d0017580, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:20405
      		 
      #15 0x000055ddf287b7b8 in do_select (join=0x7f33d0014e00, procedure=0x0) at /data/src/10.4/sql/sql_select.cc:19904
      		 
      #16 0x000055ddf28506a1 in JOIN::exec_inner (this=0x7f33d0014e00) at /data/src/10.4/sql/sql_select.cc:4459
      		 
      #17 0x000055ddf284f7de in JOIN::exec (this=0x7f33d0014e00) at /data/src/10.4/sql/sql_select.cc:4241
      		 
      #18 0x000055ddf2850ef3 in mysql_select (thd=0x7f33d0000af0, tables=0x7f33d0013970, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=3489926016, result=0x7f33d0014850, unit=0x7f33d0004a18, select_lex=0x7f33d0005210) at /data/src/10.4/sql/sql_select.cc:4673
      		 
      #19 0x000055ddf2800f58 in mysql_execute_command (thd=0x7f33d0000af0) at /data/src/10.4/sql/sql_parse.cc:4784
      		 
      #20 0x000055ddf280b509 in mysql_parse (thd=0x7f33d0000af0, rawbuf=0x7f33d0013198 "DELETE t2.* FROM t1, t2", length=23, parser_state=0x7f341e30c570, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:7900
      		 
      #21 0x000055ddf27f7ab9 in dispatch_command (command=COM_QUERY, thd=0x7f33d0000af0, packet=0x7f33d00083a1 "DELETE t2.* FROM t1, t2", packet_length=23, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1842
      		 
      #22 0x000055ddf27f625b in do_command (thd=0x7f33d0000af0) at /data/src/10.4/sql/sql_parse.cc:1360
      		 
      #23 0x000055ddf297de6a in do_handle_one_connection (connect=0x55ddf6a1d210) at /data/src/10.4/sql/sql_connect.cc:1412
      		 
      #24 0x000055ddf297dbb9 in handle_one_connection (arg=0x55ddf6a1d210) at /data/src/10.4/sql/sql_connect.cc:1316
      		 
      #25 0x000055ddf337b291 in pfs_spawn_thread (arg=0x55ddf6d11590) at /data/src/10.4/storage/perfschema/pfs.cc:1869
      		 
      #26 0x00007f342aef74a4 in start_thread (arg=0x7f341e30d700) at pthread_create.c:456
      		 
      #27 0x00007f342902bd0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

      With MyISAM

      		 
      --source include/have_partition.inc
      		 
       
      		 
      CREATE TABLE t1 (a INT);
      		 
      INSERT  INTO t1 VALUES (1),(2),(3),(4),(5),(6);
      		 
       
      		 
      CREATE TABLE t2 (f BLOB UNIQUE) WITH SYSTEM VERSIONING PARTITION BY system_time INTERVAL 1 WEEK (PARTITION p1 HISTORY, PARTITION pn CURRENT);
      		 
      INSERT INTO t2 VALUES (NULL),('');
      		 
       
      		 
      DELETE t2.* FROM t1, t2;
      		 
       
      		 
      # Cleanup
      		 
      DROP TABLE t1, t2;

      10.4 non-debug dc22acfd

      		 
      mysqltest: At line 9: query 'DELETE t2.* FROM t1, t2' failed: 126: Index for table './test/t2#P#p1.MYI' is corrupt; try to repair it

      Debug assertion bitmap_is_set(&(m_part_info->read_partitions), m_last_part) fails both with InnoDB and MyISAM. Non-debug build produces an assertion failure with InnoDB and error 126 with MyISAM.

      Reproducible with 10.4, 10.5.

      Without partitioning the test cases cause the debug assertion

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-20515 multi-update tries to position updated table by null reference

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-22714 Assertion `index->table->is_instant()' failed upon multi-update on table with WITHOUT OVERLAPS

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-25532 Assertion `part_id == m_last_part' failed in ha_partition::delete_row

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32212 DELETE with ORDER BY and semijoin optimization causing crash

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

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              serg Sergei Golubchik
              elenst Elena Stepanova
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