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  1. MariaDB Server
  2. MDEV-18503

Assertion `native.length() == binlen' failed in Type_handler_timestamp_common::make_sort_key

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      Description

      CREATE TABLE t1 (a TIMESTAMP(3) DEFAULT 0, b TIMESTAMP);
       
      INSERT INTO t1 (b) VALUES ('2012-12-12 12:12:12'),('1988-08-26 12:12:12');
      SELECT GREATEST(a,b) AS f FROM t1 ORDER BY 1;
       
      # Cleanup
      DROP TABLE t1;
      

      10.4 c0f47a4a

      mysqld: /data/src/10.4/sql/filesort.cc:1084: virtual void Type_handler_timestamp_common::make_sort_key(uchar*, Item*, const SORT_FIELD_ATTR*, Sort_param*) const: Assertion `native.length() == binlen' failed.
      190221  0:01:30 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f49356d7ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x00005557c7a54b95 in Type_handler_timestamp_common::make_sort_key (this=0x5557c8db34b0 <type_handler_timestamp2>, to=0x7f49140662a0 '\245' <repeats 192 times>, "h4z\025\217\217\217\217"..., item=0x7f4914015ad0, sort_field=0x7f4914019190, param=0x7f49300509d0) at /data/src/10.4/sql/filesort.cc:1084
      #9  0x00005557c7a54fb7 in make_sortkey (param=0x7f49300509d0, to=0x7f49140662a0 '\245' <repeats 192 times>, "h4z\025\217\217\217\217"..., ref_pos=0x7f491413c9f8 "") at /data/src/10.4/sql/filesort.cc:1184
      #10 0x00005557c7a53eaa in find_all_keys (thd=0x7f4914000b00, param=0x7f49300509d0, select=0x7f4914018888, fs_info=0x7f4914065f00, buffpek_pointers=0x7f4930050bd0, tempfile=0x7f4930050a60, pq=0x0, found_rows=0x7f49140660e0) at /data/src/10.4/sql/filesort.cc:832
      #11 0x00005557c7a52198 in filesort (thd=0x7f4914000b00, table=0x7f49140e4c10, filesort=0x7f4914018a58, tracker=0x7f4914019110, join=0x7f4914016c18, first_table_bit=1) at /data/src/10.4/sql/filesort.cc:272
      #12 0x00005557c77a13d7 in create_sort_index (thd=0x7f4914000b00, join=0x7f4914016c18, tab=0x7f4914017f08, fsort=0x7f4914018a58) at /data/src/10.4/sql/sql_select.cc:23130
      #13 0x00005557c779bb10 in st_join_table::sort_table (this=0x7f4914017f08) at /data/src/10.4/sql/sql_select.cc:20937
      #14 0x00005557c779b717 in join_init_read_record (tab=0x7f4914017f08) at /data/src/10.4/sql/sql_select.cc:20874
      #15 0x00005557c77995a9 in sub_select (join=0x7f4914016c18, join_tab=0x7f4914017f08, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:19955
      #16 0x00005557c7798b39 in do_select (join=0x7f4914016c18, procedure=0x0) at /data/src/10.4/sql/sql_select.cc:19496
      #17 0x00005557c776f6c9 in JOIN::exec_inner (this=0x7f4914016c18) at /data/src/10.4/sql/sql_select.cc:4318
      #18 0x00005557c776e870 in JOIN::exec (this=0x7f4914016c18) at /data/src/10.4/sql/sql_select.cc:4100
      #19 0x00005557c776ff22 in mysql_select (thd=0x7f4914000b00, tables=0x7f4914015c20, wild_num=0, fields=..., conds=0x0, og_num=1, order=0x7f4914016328, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7f4914016bf0, unit=0x7f4914004a10, select_lex=0x7f49140153f8) at /data/src/10.4/sql/sql_select.cc:4532
      #20 0x00005557c7760956 in handle_select (thd=0x7f4914000b00, lex=0x7f4914004948, result=0x7f4914016bf0, setup_tables_done_option=0) at /data/src/10.4/sql/sql_select.cc:423
      #21 0x00005557c7729e5d in execute_sqlcom_select (thd=0x7f4914000b00, all_tables=0x7f4914015c20) at /data/src/10.4/sql/sql_parse.cc:6588
      #22 0x00005557c771f104 in mysql_execute_command (thd=0x7f4914000b00) at /data/src/10.4/sql/sql_parse.cc:3825
      #23 0x00005557c772ddac in mysql_parse (thd=0x7f4914000b00, rawbuf=0x7f4914015338 "SELECT GREATEST(a,b) AS f FROM t1 ORDER BY 1", length=44, parser_state=0x7f49300521f0, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:8141
      #24 0x00005557c77194ea in dispatch_command (command=COM_QUERY, thd=0x7f4914000b00, packet=0x7f491400a601 "", packet_length=44, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1820
      #25 0x00005557c7717d5a in do_command (thd=0x7f4914000b00) at /data/src/10.4/sql/sql_parse.cc:1358
      #26 0x00005557c788d713 in do_handle_one_connection (connect=0x5557ca9107f0) at /data/src/10.4/sql/sql_connect.cc:1399
      #27 0x00005557c788d484 in handle_one_connection (arg=0x5557ca9107f0) at /data/src/10.4/sql/sql_connect.cc:1302
      #28 0x00005557c7d81911 in pfs_spawn_thread (arg=0x5557caa02aa0) at /data/src/10.4/storage/perfschema/pfs.cc:1862
      #29 0x00007f49373ae494 in start_thread (arg=0x7f4930053700) at pthread_create.c:333
      #30 0x00007f493579493f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

      Reproducible with at least MyISAM and InnoDB.
      Not reproducible on 10.3.
      No visible effect on a non-debug build.

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            • Assignee:
              bar Alexander Barkov
              Reporter:
              elenst Elena Stepanova
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              • Created:
                Updated:
                Resolved: