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  1. MariaDB Server
  2. MDEV-18794

Assertion `!m_innodb' failed in ha_partition::cmp_ref upon SELECT from partitioned table

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      Note: I'm not sure that versioning has anything to do with it, but I couldn't get rid of it in the test case.

      --source include/have_innodb.inc
      --source include/have_partition.inc
       
      CREATE TABLE t1 (pk INT AUTO_INCREMENT, i INT, c CHAR(1), PRIMARY KEY (pk), KEY(i)) 
      ENGINE=InnoDB WITH SYSTEM VERSIONING PARTITION BY KEY() PARTITIONS 2;
       
      INSERT INTO t1 (i,c) VALUES (1,'a'),(2,'b'),(NULL,'c'),(NULL,'b');
      ALTER TABLE t1 DROP SYSTEM VERSIONING;
      REPLACE INTO t1 SELECT * FROM t1;
      SELECT * FROM t1 WHERE i > 0 OR pk = 1000 LIMIT 1;
       
      # Cleanup
      DROP TABLE t1;
      

      10.3 82da9855

      mysqld: /data/src/10.3/sql/ha_partition.cc:10301: virtual int ha_partition::cmp_ref(const uchar*, const uchar*): Assertion `!m_innodb' failed.
      190302 17:15:54 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f2b87fa0ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x0000555ad89680ac in ha_partition::cmp_ref (this=0x7f2b2c00d418, ref1=0x7f2b2c05f780 "", ref2=0x7f2b2c183da8 "\001") at /data/src/10.3/sql/ha_partition.cc:10301
      #9  0x0000555ad839a1e0 in refpos_order_cmp (arg=0x7f2b2c00d418, a=0x7f2b2c05f780, b=0x7f2b2c183da8) at /data/src/10.3/sql/sql_delete.cc:990
      #10 0x0000555ad89a6697 in tree_insert (tree=0x7f2b2c019b58, key=0x7f2b2c183da8, key_size=0, custom_arg=0x7f2b2c00d418) at /data/src/10.3/mysys/tree.c:250
      #11 0x0000555ad7fb825a in Unique::unique_add (this=0x7f2b2c0199b8, ptr=0x7f2b2c183da8) at /data/src/10.3/sql/uniques.h:60
      #12 0x0000555ad8368b75 in read_keys_and_merge_scans (thd=0x7f2b2c000b00, head=0x7f2b2c0a6c30, quick_selects=..., pk_quick_select=0x7f2b2c172330, read_record=0x7f2b2c172268, intersection=false, filtered_scans=0x0, unique_ptr=0x7f2b2c1721f0) at /data/src/10.3/sql/opt_range.cc:11055
      #13 0x0000555ad8368cdf in QUICK_INDEX_MERGE_SELECT::read_keys_and_merge (this=0x7f2b2c1721b0) at /data/src/10.3/sql/opt_range.cc:11086
      #14 0x0000555ad8351b79 in QUICK_INDEX_SORT_SELECT::reset (this=0x7f2b2c1721b0) at /data/src/10.3/sql/opt_range.cc:1370
      #15 0x0000555ad7f711e2 in join_init_read_record (tab=0x7f2b2c0181d0) at /data/src/10.3/sql/sql_select.cc:20316
      #16 0x0000555ad7f6efb8 in sub_select (join=0x7f2b2c015da8, join_tab=0x7f2b2c0181d0, end_of_records=false) at /data/src/10.3/sql/sql_select.cc:19392
      #17 0x0000555ad7f6e554 in do_select (join=0x7f2b2c015da8, procedure=0x0) at /data/src/10.3/sql/sql_select.cc:18935
      #18 0x0000555ad7f4714d in JOIN::exec_inner (this=0x7f2b2c015da8) at /data/src/10.3/sql/sql_select.cc:4040
      #19 0x0000555ad7f4658e in JOIN::exec (this=0x7f2b2c015da8) at /data/src/10.3/sql/sql_select.cc:3834
      #20 0x0000555ad7f4782e in mysql_select (thd=0x7f2b2c000b00, tables=0x7f2b2c014f28, wild_num=1, fields=..., conds=0x7f2b2c015bb0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7f2b2c015d80, unit=0x7f2b2c0049c8, select_lex=0x7f2b2c005138) at /data/src/10.3/sql/sql_select.cc:4239
      #21 0x0000555ad7f39754 in handle_select (thd=0x7f2b2c000b00, lex=0x7f2b2c004900, result=0x7f2b2c015d80, setup_tables_done_option=0) at /data/src/10.3/sql/sql_select.cc:385
      #22 0x0000555ad7f0418c in execute_sqlcom_select (thd=0x7f2b2c000b00, all_tables=0x7f2b2c014f28) at /data/src/10.3/sql/sql_parse.cc:6551
      #23 0x0000555ad7efa7fd in mysql_execute_command (thd=0x7f2b2c000b00) at /data/src/10.3/sql/sql_parse.cc:3772
      #24 0x0000555ad7f08145 in mysql_parse (thd=0x7f2b2c000b00, rawbuf=0x7f2b2c014cf8 "SELECT * FROM t1 WHERE i > 0 OR pk = 1000 LIMIT 1", length=49, parser_state=0x7f2b812e65f0, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:8095
      #25 0x0000555ad7ef52f9 in dispatch_command (command=COM_QUERY, thd=0x7f2b2c000b00, packet=0x7f2b2c162281 "", packet_length=49, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1854
      #26 0x0000555ad7ef3cd1 in do_command (thd=0x7f2b2c000b00) at /data/src/10.3/sql/sql_parse.cc:1396
      #27 0x0000555ad805c41f in do_handle_one_connection (connect=0x555adad67bc0) at /data/src/10.3/sql/sql_connect.cc:1403
      #28 0x0000555ad805c1a3 in handle_one_connection (arg=0x555adad67bc0) at /data/src/10.3/sql/sql_connect.cc:1309
      #29 0x0000555ad84f88b3 in pfs_spawn_thread (arg=0x555adada9480) at /data/src/10.3/storage/perfschema/pfs.cc:1862
      #30 0x00007f2b89c77494 in start_thread (arg=0x7f2b812e7700) at pthread_create.c:333
      #31 0x00007f2b8805d93f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

      No obvious effect on a non-debug build.

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              • Assignee:
                serg Sergei Golubchik
                Reporter:
                elenst Elena Stepanova
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                • Created:
                  Updated: