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  1. MariaDB Server
  2. MDEV-31896

Connect tables ignore PK, fail upon select or statistics collection

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.4(EOL), 10.5, 10.6, 10.9(EOL), 10.10(EOL), 10.11, 11.0(EOL), 11.1(EOL)
    • 10.5, 10.6, 10.11
    • None

    Description

      First variation: INSERT succeeds, SELECT fails

      install soname 'ha_connect';
       
      create table t (a int, primary key(a)) ENGINE=Connect table_type=bin;
      insert into t values (1),(1);
      select * from t;
       
      drop table t;
      uninstall soname 'ha_connect';
      

      10.4 b54e4bf0

      insert into t values (1),(1);
      Warnings:
      Warning	1105	Index is not unique
      select * from t;
      bug.connect1                             [ fail ]
              Test ended at 2023-08-10 20:34:26
       
      CURRENT_TEST: bug.connect1
      mysqltest: At line 5: query 'select * from t' failed: 1296: Got error 122 'Open error 2 in mode rb on /dev/shm/var/mysqld.1/data/./test/t.bnx: No such file or directory' from CONNECT
      

      Second variation: INSERT and SELECT succeed

      install soname 'ha_connect';
       
      create table t (a int, primary key(a), b int) ENGINE=Connect table_type=bin;
      insert into t values (1,10),(1,20);
      select * from t;
       
      drop table t;
      uninstall soname 'ha_connect';
      

      insert into t values (1,10),(1,20);
      Warnings:
      Warning	1105	Index is not unique
      select * from t;
      a	b
      1	10
      1	20
      

      Third variation: INSERT succeeds, ANALYZE fails on assertion

      install soname 'ha_connect';
       
      create table t (a int, primary key(a), b int not null, key(b)) ENGINE=Connect table_type=bin;
      insert into t values (1,10),(1,20);
      analyze table t persistent for all;
       
      drop table t;
      uninstall soname 'ha_connect';
      

      insert into t values (1,10),(1,20);
      Warnings:
      Warning	1105	Index is not unique
      analyze table t persistent for all;
      bug.connect1                             [ fail ]
              Test ended at 2023-08-10 20:36:00
       
      CURRENT_TEST: bug.connect1
      mysqltest: At line 5: query 'analyze table t persistent for all' failed: 2013: Lost connection to MySQL server during query
      

      index_init CONNECT: Open error 2 in mode rb on /dev/shm/var_auto_i9Lv/mysqld.1/data/./test/t.bnx: No such file or directory
      mysqld: /data/src/10.4/sql/handler.cc:3051: int handler::ha_index_first(uchar*): Assertion `inited==INDEX' failed.
      230810 20:35:59 [ERROR] mysqld got signal 6 ;
       
      #9  0x00007ffa23a53df2 in __GI___assert_fail (assertion=0x55a2daa04100 "inited==INDEX", file=0x55a2daa08380 "/data/src/10.4/sql/handler.cc", line=3051, function=0x55a2daa0c1c0 "int handler::ha_index_first(uchar*)") at ./assert/assert.c:101
      #10 0x000055a2d8dca2fd in handler::ha_index_first (this=0x61d0002012a8, buf=0x6190000866b8 "") at /data/src/10.4/sql/handler.cc:3051
      #11 0x000055a2d882bb3a in collect_statistics_for_index (thd=0x62b00005b208, table=0x62000003c088, index=1) at /data/src/10.4/sql/sql_statistics.cc:2554
      #12 0x000055a2d882ce0c in collect_statistics_for_table (thd=0x62b00005b208, table=0x62000003c088) at /data/src/10.4/sql/sql_statistics.cc:2738
      #13 0x000055a2d8a36868 in mysql_admin_table (thd=0x62b00005b208, tables=0x62b000062330, check_opt=0x62b000060478, operator_name=0x55a2da7c7f00 "analyze", lock_type=TL_READ_NO_INSERT, org_open_for_modify=true, repair_table_use_frm=false, extra_open_options=0, prepare_func=0x0, operator_func=(int (handler::*)(handler * const, THD *, HA_CHECK_OPT *)) 0x55a2d8dd4f24 <handler::ha_analyze(THD*, st_ha_check_opt*)>, view_operator_func=0x0, is_cmd_replicated=true) at /data/src/10.4/sql/sql_admin.cc:926
      #14 0x000055a2d8a3b08c in Sql_cmd_analyze_table::execute (this=0x62b000062a38, thd=0x62b00005b208) at /data/src/10.4/sql/sql_admin.cc:1390
      #15 0x000055a2d8624e35 in mysql_execute_command (thd=0x62b00005b208) at /data/src/10.4/sql/sql_parse.cc:6216
      #16 0x000055a2d86306af in mysql_parse (thd=0x62b00005b208, rawbuf=0x62b000062228 "analyze table t persistent for all", length=34, parser_state=0x7ffa1bd5b860, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:8010
      #17 0x000055a2d860697a in dispatch_command (command=COM_QUERY, thd=0x62b00005b208, packet=0x629000230209 "", packet_length=34, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1857
      #18 0x000055a2d86034e9 in do_command (thd=0x62b00005b208) at /data/src/10.4/sql/sql_parse.cc:1378
      #19 0x000055a2d8a02a48 in do_handle_one_connection (connect=0x6080000009a8) at /data/src/10.4/sql/sql_connect.cc:1420
      #20 0x000055a2d8a0235f in handle_one_connection (arg=0x6080000009a8) at /data/src/10.4/sql/sql_connect.cc:1324
      #21 0x000055a2d9671dd4 in pfs_spawn_thread (arg=0x615000003508) at /data/src/10.4/storage/perfschema/pfs.cc:1869
      #22 0x00007ffa23aa7fd4 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
      #23 0x00007ffa23b285bc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
      

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            TheLinuxJedi Andrew Hutchings
            elenst Elena Stepanova
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              Created:
              Updated:

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