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  1. MariaDB Server
  2. MDEV-19363

Assertion `select_lex' failed in LEX::pop_select

    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.4
    • Fix Version/s: 10.4.5
    • Component/s: Parser
    • Labels:
      None

      Description

      CREATE TABLE t1 (pk int);
      INSERT INTO t1 VALUES (1),(2),(3);
       
      ((SELECT *  FROM t1 ORDER BY pk) LIMIT 5) UNION (SELECT * FROM t1);
      

      10.4 77109285f918a6b07

      mysqld: /10.4/sql/sql_lex.h:3612: SELECT_LEX* LEX::pop_select(): Assertion `select_lex' failed.
      190430 11:02:24 [ERROR] mysqld got signal 6 ;
       
      linux/raise.c:54(__GI_raise)[0x7f962dee2428]
      stdlib/abort.c:91(__GI_abort)[0x7f962dee402a]
      assert/assert.c:92(__assert_fail_base)[0x7f962dedabd7]
      /lib/x86_64-linux-gnu/libc.so.6(+0x2dc82)[0x7f962dedac82]
      sql/sql_lex.h:3614(LEX::pop_select())[0x55704cf43870]
      sql/sql_lex.cc:9300(LEX::parsed_body_unit_tail(st_select_lex_unit*, Lex_order_limit_lock*))[0x55704cf31efc]
      sql/sql_yacc.yy:9309(MYSQLparse(THD*))[0x55704d5258ca]
      sql/sql_parse.cc:10177(parse_sql(THD*, Parser_state*, Object_creation_ctx*, bool))[0x55704cf98e3d]
      sql/sql_parse.cc:8102(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55704cf8c436]
      sql/sql_parse.cc:1830(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55704cf65550]
      sql/sql_parse.cc:1361(do_command(THD*))[0x55704cf6248f]
      sql/sql_connect.cc:1398(do_handle_one_connection(CONNECT*))[0x55704d2d6091]
      sql/sql_connect.cc:1302(handle_one_connection)[0x55704d2d5a5b]
      perfschema/pfs.cc:1864(pfs_spawn_thread)[0x55704e674f27]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7f962ed236ba]
      x86_64/clone.S:111(clone)[0x7f962dfb441d]
      

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            • Assignee:
              igor Igor Babaev
              Reporter:
              alice Alice Sherepa
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              Dates

              • Created:
                Updated:
                Resolved: