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  1. MariaDB Server
  2. MDEV-5740

Assertion `!derived->first_select()->exclude_from_table_unique_test || derived->outer_select()-> exclude_from_table_unique_test' failed on 2nd execution of PS with derived_merge

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 5.3.12, 5.5.36, 10.0.8
    • 5.5.37, 10.0.10, 5.3.13
    • None
    • None

    Description

      SET optimizer_switch = 'derived_merge=on';
       
      CREATE TABLE t1 (a INT);
      INSERT INTO t1 VALUES (1),(2);
      CREATE TABLE t2 (b INT);
      INSERT INTO t2 VALUES (1),(2);
       
      PREPARE stmt FROM '
        INSERT INTO t1 SELECT * FROM t2 UNION SELECT * FROM (SELECT * FROM t1) AS sq  
      ';
      EXECUTE stmt;
      EXECUTE stmt;

      mysqld: table.cc:4438: void TABLE_LIST::set_check_merged(): Assertion `!derived->first_select()->exclude_from_table_unique_test || derived->outer_select()-> exclude_from_table_unique_test' failed.

      #6  0x00007fb0847f0621 in *__GI___assert_fail (assertion=0xd36e28 "!derived->first_select()->exclude_from_table_unique_test || derived->outer_select()-> exclude_from_table_unique_test", file=<optimized out>, line=4438, function=0xd386a0 "void TABLE_LIST::set_check_merged()") at assert.c:81
      #7  0x00000000007207c3 in TABLE_LIST::set_check_merged (this=0x1f5b3d0) at table.cc:4436
      #8  0x00000000007249b1 in TABLE_LIST::set_merged_derived (this=0x1f5b3d0) at table.h:1796
      #9  0x00000000007241c9 in TABLE_LIST::init_derived (this=0x1f5b3d0, thd=0x1ea0b88, init_view=true) at table.cc:6034
      #10 0x00000000008b28d6 in mysql_derived_init (thd=0x1ea0b88, lex=0x1f57958, derived=0x1f5b3d0) at sql_derived.cc:542
      #11 0x00000000008b1f24 in mysql_handle_derived (lex=0x1f57958, phases=1) at sql_derived.cc:112
      #12 0x00000000007086b4 in open_and_lock_tables_derived (thd=0x1ea0b88, tables=0x1f58b80, derived=true) at sql_base.cc:5262
      #13 0x00000000006bbd14 in open_and_lock_tables (thd=0x1ea0b88, tables=0x1f58b80) at mysql_priv.h:1826
      #14 0x00000000006ae385 in mysql_execute_command (thd=0x1ea0b88) at sql_parse.cc:3305
      #15 0x0000000000786882 in Prepared_statement::execute (this=0x1f57588, expanded_query=0x7fb07bd0ccb0, open_cursor=false) at sql_prepare.cc:3764
      #16 0x0000000000785acf in Prepared_statement::execute_loop (this=0x1f57588, expanded_query=0x7fb07bd0ccb0, open_cursor=false, packet=0x0, packet_end=0x0) at sql_prepare.cc:3445
      #17 0x0000000000783f26 in mysql_sql_stmt_execute (thd=0x1ea0b88) at sql_prepare.cc:2670
      #18 0x00000000006ab6f6 in mysql_execute_command (thd=0x1ea0b88) at sql_parse.cc:2314
      #19 0x00000000006b6e93 in mysql_parse (thd=0x1ea0b88, rawbuf=0x1f248c0 "EXECUTE stmt", length=12, found_semicolon=0x7fb07bd0dcb8) at sql_parse.cc:6173
      #20 0x00000000006a8ea8 in dispatch_command (command=COM_QUERY, thd=0x1ea0b88, packet=0x1f1b459 "EXECUTE stmt", packet_length=12) at sql_parse.cc:1243
      #21 0x00000000006a8194 in do_command (thd=0x1ea0b88) at sql_parse.cc:923
      #22 0x00000000006a5025 in handle_one_connection (arg=0x1ea0b88) at sql_connect.cc:1231
      #23 0x00007fb0854fcb50 in start_thread (arg=<optimized out>) at pthread_create.c:304
      #24 0x00007fb08489fa7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

      Stack trace from:

      revision-id: igor@askmonty.org-20140221052733-ypg4dpfcmy5l0b3q
      date: 2014-02-20 21:27:33 -0800
      build-date: 2014-02-26 03:02:19 +0400
      revno: 3765
      branch-nick: 5.3
      BUILD/compile-pentium-debug-max-no-ndb

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            sanja Oleksandr Byelkin
            elenst Elena Stepanova
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              Updated:
              Resolved:

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