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  1. MariaDB Server
  2. MDEV-6689

valgrind errors in view.test in 10.1

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.1.1
    • 10.1.1
    • None
    • None

    Description

      Filing based on discussion with monty.

      This is a different problem than MDEV-6575.

      The errors look like this:

      ==2976== Conditional jump or move depends on uninitialised value(s)
      ==2976==    at 0x5381F0: st_join_table::save_explain_data(Explain_table_access*, unsigned long long, bool, st_join_table*) (sql_show.h:205)
      ==2976==    by 0x539E10: JOIN::save_explain_data_intern(Explain_query*, bool, bool, bool, char const*) (sql_select.cc:23789)
      ==2976==    by 0x540745: JOIN::optimize() (sql_select.cc:1046)
      ==2976==    by 0x540882: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:3306)
      ==2976==    by 0x543CC3: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:372)
      ==2976==    by 0x4EB8C4: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5729)
      ==2976==    by 0x4F248F: mysql_execute_command(THD*) (sql_parse.cc:2809)
      ==2976==    by 0x4FA71C: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:7011)
      ==2976==    by 0x4FD811: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1469)
      ==2976==    by 0x4FDDA1: do_command(THD*) (sql_parse.cc:1092)
      ==2976==    by 0x5B2351: do_handle_one_connection(THD*) (sql_connect.cc:1394)
      ==2976==    by 0x5B2505: handle_one_connection (sql_connect.cc:1305)
      ==2976==    by 0x827102: pfs_spawn_thread (pfs.cc:1860)
      ==2976==    by 0x60E0E99: start_thread (pthread_create.c:308)
      ==2976==    by 0x69E63FC: clone (clone.S:112)

      minimal testcase:

      create table t1 (a int);
      insert into t1 values (1), (2), (3), (4);
      show columns from t1;
      drop table t1;

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            psergei Sergei Petrunia
            psergei Sergei Petrunia
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              Created:
              Updated:
              Resolved:

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