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  1. MariaDB Server
  2. MDEV-19301

Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed in Datetime_truncation_not_needed::Datetime_truncation_not_needed

    Details

    • Type: Bug
    • Status: Open (View Workflow)
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 10.4
    • Fix Version/s: 10.4
    • Component/s: Temporal Types
    • Labels:
      None

      Description

      SELECT NULLIF( CAST( 1012.5 AS DATE ), 1 );
      

      10.4 a65d3b2c

      mysqld: /data/src/10.4/sql/sql_type.cc:978: Datetime_truncation_not_needed::Datetime_truncation_not_needed(THD*, Item*, date_conv_mode_t): Assertion `!is_valid_datetime() || fraction_remainder(((item->decimals) < (6) ? (item->decimals) : (6))) == 0' failed.
      190422 15:28:36 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007f7053b2dee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x0000555bba99c8eb in Datetime_truncation_not_needed::Datetime_truncation_not_needed (this=0x7f704dca5650, thd=0x7f703c000b00, item=0x7f703c015d48, mode=...) at /data/src/10.4/sql/sql_type.cc:976
      #9  0x0000555bbaa47df7 in Datetime_truncation_not_needed::Datetime_truncation_not_needed (this=0x7f704dca5650, thd=0x7f703c000b00, item=0x7f703c015d48, mode=...) at /data/src/10.4/sql/sql_type.h:2295
      #10 0x0000555bbab1d1ee in Item_func_nullif::date_op (this=0x7f703c015f28, thd=0x7f703c000b00, ltime=0x7f704dca5aa8, fuzzydate=...) at /data/src/10.4/sql/item_cmpfunc.cc:2897
      #11 0x0000555bba9a5831 in Type_handler_temporal_result::Item_func_hybrid_field_type_get_date (this=0x555bbbe2f3b8 <type_handler_newdate>, thd=0x7f703c000b00, item=0x7f703c015f28, warn=0x7f704dca5700, ltime=0x7f704dca5aa8, fuzzydate=...) at /data/src/10.4/sql/sql_type.cc:4800
      #12 0x0000555bba9a49ae in Type_handler::Item_func_hybrid_field_type_get_date_with_warn (this=0x555bbbe2f3b8 <type_handler_newdate>, thd=0x7f703c000b00, item=0x7f703c015f28, ltime=0x7f704dca5aa8, mode=...) at /data/src/10.4/sql/sql_type.cc:4421
      #13 0x0000555bba781573 in Item_func_hybrid_field_type::get_date (this=0x7f703c015f28, thd=0x7f703c000b00, to=0x7f704dca5aa8, mode=...) at /data/src/10.4/sql/item_func.h:775
      #14 0x0000555bba9a9de1 in Type_handler::Item_send_date (this=0x555bbbe2f3b8 <type_handler_newdate>, item=0x7f703c015f28, protocol=0x7f703c0010c8, buf=0x7f704dca5aa0) at /data/src/10.4/sql/sql_type.cc:6738
      #15 0x0000555bba9b5eb6 in Type_handler_temporal_with_date::Item_send (this=0x555bbbe2f3b8 <type_handler_newdate>, item=0x7f703c015f28, protocol=0x7f703c0010c8, buf=0x7f704dca5aa0) at /data/src/10.4/sql/sql_type.h:5301
      #16 0x0000555bba684092 in Item::send (this=0x7f703c015f28, protocol=0x7f703c0010c8, buffer=0x7f704dca5aa0) at /data/src/10.4/sql/item.h:1035
      #17 0x0000555bba67ee32 in Protocol::send_result_set_row (this=0x7f703c0010c8, row_items=0x7f703c015948) at /data/src/10.4/sql/protocol.cc:1024
      #18 0x0000555bba72cd08 in select_send::send_data (this=0x7f703c016a98, items=...) at /data/src/10.4/sql/sql_class.cc:3006
      #19 0x0000555bba7ebe93 in JOIN::exec_inner (this=0x7f703c016ac0) at /data/src/10.4/sql/sql_select.cc:4256
      #20 0x0000555bba7eb7ae in JOIN::exec (this=0x7f703c016ac0) at /data/src/10.4/sql/sql_select.cc:4170
      #21 0x0000555bba7ece60 in mysql_select (thd=0x7f703c000b00, tables=0x0, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=0x7f703c016a98, unit=0x7f703c004a30, select_lex=0x7f703c015800) at /data/src/10.4/sql/sql_select.cc:4602
      #22 0x0000555bba7dd3f4 in handle_select (thd=0x7f703c000b00, lex=0x7f703c004968, result=0x7f703c016a98, setup_tables_done_option=0) at /data/src/10.4/sql/sql_select.cc:424
      #23 0x0000555bba7a6c8d in execute_sqlcom_select (thd=0x7f703c000b00, all_tables=0x0) at /data/src/10.4/sql/sql_parse.cc:6602
      #24 0x0000555bba79c263 in mysql_execute_command (thd=0x7f703c000b00) at /data/src/10.4/sql/sql_parse.cc:3891
      #25 0x0000555bba7aaa13 in mysql_parse (thd=0x7f703c000b00, rawbuf=0x7f703c015740 "SELECT NULLIF( CAST( 1012.5 AS DATE ), 1 )", length=42, parser_state=0x7f704dca7180, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:8154
      #26 0x0000555bba79646a in dispatch_command (command=COM_QUERY, thd=0x7f703c000b00, packet=0x7f703c00a8a1 "", packet_length=42, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1832
      #27 0x0000555bba794c50 in do_command (thd=0x7f703c000b00) at /data/src/10.4/sql/sql_parse.cc:1365
      #28 0x0000555bba90d033 in do_handle_one_connection (connect=0x555bbe8e65b0) at /data/src/10.4/sql/sql_connect.cc:1398
      #29 0x0000555bba90cda4 in handle_one_connection (arg=0x555bbe8e65b0) at /data/src/10.4/sql/sql_connect.cc:1301
      #30 0x0000555bbad312f5 in pfs_spawn_thread (arg=0x555bbe9d8980) at /data/src/10.4/storage/perfschema/pfs.cc:1862
      #31 0x00007f7055c22494 in start_thread (arg=0x7f704dca8700) at pthread_create.c:333
      #32 0x00007f7053bea93f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

      Non-debug build doesn't crash, just produces a number of warning/notes:

      SELECT NULLIF( CAST( 1012.5 AS DATE ), 1 );
      NULLIF( CAST( 1012.5 AS DATE ), 1 )
      2000-10-12
      Warnings:
      Note	1292	Truncated incorrect date value: '1012.5'
      Warning	1292	Truncated incorrect datetime value: '1'
      Note	1292	Truncated incorrect date value: '1012.5'
      

      10.3 doesn't crash and produces only one warning:

      10.3 765ae6e8

      SELECT NULLIF( CAST( 1012.5 AS DATE ), 1 );
      NULLIF( CAST( 1012.5 AS DATE ), 1 )
      2000-10-12
      Warnings:
      Warning	1292	Incorrect datetime value: '1'
      

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            • Assignee:
              bar Alexander Barkov
              Reporter:
              elenst Elena Stepanova
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              Dates

              • Created:
                Updated: