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  1. MariaDB Server
  2. MDEV-24725

Assertion failure: prev_range_last_block_records < stats.block_size

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Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.5, 10.6, 10.7
    • 10.5, 10.6
    • Optimizer
    • None

    Description

      The following .test file

      create table t1 (
      kp1 int,
      kp2 int,
      kp3 int,
      kp4 int,
      key key1(kp1, kp2, kp3,kp4)
      );
      insert into t1 values (1,1,1,1),(2,2,2,2),(3,3,3,3);
      explain select * from t1 where 
      kp1 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) and
      kp2 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) and
      kp3 in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20);
      

      fails an assertion:

      mariadbd: /home/psergey/dev-git/10.5-mdev9750/sql/multi_range_read.cc:221: virtual ha_rows handler::multi_range_read_info_const(uint, RANGE_SEQ_IF*, void*, uint, uint*, uint*, Cost_estimate*): Assertion `prev_range_last_block_records < stats.block_size' failed.
      ...
      #7  0x00007fefab7b1502 in __GI___assert_fail (assertion=0x55adadc42e38 "prev_range_last_block_records < stats.block_size", file=0x55adadc42de0 "/home/psergey/dev-git/10.5-mdev9750/sql/multi_range_read.cc", line=221, function=0x55adadc43380 <handler::multi_range_read_info_const(unsigned int, st_range_seq_if*, void*, unsigned int, unsigned int*, unsigned int*, Cost_estimate*)::__PRETTY_FUNCTION__> "virtual ha_rows handler::multi_range_read_info_const(uint, RANGE_SEQ_IF*, void*, uint, uint*, uint*, Cost_estimate*)") at assert.c:101
      #8  0x000055adad0190b3 in handler::multi_range_read_info_const (this=0x7fef940fa8b0, keyno=0, seq=0x7fefa6344070, seq_init_param=0x7fefa63440a0, n_ranges_arg=0, bufsz=0x7fefa6343f84, flags=0x7fefa6343f80, cost=0x7fefa6344720) at /home/psergey/dev-git/10.5-mdev9750/sql/multi_range_read.cc:220
      #9  0x000055adad01cc78 in DsMrr_impl::dsmrr_info_const (this=0x7fef940fadb0, keyno=0, seq=0x7fefa6344070, seq_init_param=0x7fefa63440a0, n_ranges=0, bufsz=0x7fefa6344638, flags=0x7fefa6344634, cost=0x7fefa6344720) at /home/psergey/dev-git/10.5-mdev9750/sql/multi_range_read.cc:1708
      #10 0x000055adada2a6d9 in ha_myisam::multi_range_read_info_const (this=0x7fef940fa8b0, keyno=0, seq=0x7fefa6344070, seq_init_param=0x7fefa63440a0, n_ranges=0, bufsz=0x7fefa6344638, flags=0x7fefa6344634, cost=0x7fefa6344720) at /home/psergey/dev-git/10.5-mdev9750/storage/myisam/ha_myisam.cc:2600
      #11 0x000055adad324b17 in check_quick_select (param=0x7fefa63449b0, idx=0, index_only=true, tree=0x7fef9405b328, update_tbl_stats=true, mrr_flags=0x7fefa6344634, bufsize=0x7fefa6344638, cost=0x7fefa6344720, is_ror_scan=0x7fefa6344632) at /home/psergey/dev-git/10.5-mdev9750/sql/opt_range.cc:11476
      #12 0x000055adad31a70c in get_key_scans_params (param=0x7fefa63449b0, tree=0x7fef9405abd8, index_read_must_be_used=false, for_range_access=true, read_time=1.6039541127654382) at /home/psergey/dev-git/10.5-mdev9750/sql/opt_range.cc:7461
      #13 0x000055adad30efb4 in SQL_SELECT::test_quick_select (this=0x7fef94058c98, thd=0x7fef94000d78, keys_to_use=..., prev_tables=0, limit=18446744073709551615, force_quick_range=false, ordered_output=false, remove_false_parts_of_where=true, only_single_index_range_scan=false) at /home/psergey/dev-git/10.5-mdev9750/sql/opt_range.cc:2931
      #14 0x000055adace7023f in get_quick_record_count (thd=0x7fef94000d78, select=0x7fef94058c98, table=0x7fef94223838, keys=0x7fef94057b38, limit=18446744073709551615) at /home/psergey/dev-git/10.5-mdev9750/sql/sql_select.cc:4763
      #15 0x000055adace72bd1 in make_join_statistics (join=0x7fef94056ab0, tables_list=..., keyuse_array=0x7fef94056da0) at /home/psergey/dev-git/10.5-mdev9750/sql/sql_select.cc:5494
      #16 0x000055adace67046 in JOIN::optimize_inner (this=0x7fef94056ab0) at /home/psergey/dev-git/10.5-mdev9750/sql/sql_select.cc:2255
      #17 0x000055adace64b07 in JOIN::optimize (this=0x7fef94056ab0) at /home/psergey/dev-git/10.5-mdev9750/sql/sql_select.cc:1627
      

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              monty Michael Widenius
              psergei Sergei Petrunia
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                Updated:

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