Details
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Bug
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Status: Closed (View Workflow)
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Blocker
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Resolution: Duplicate
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10.0.1, 5.5.29
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None
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None
Description
mysqld: maria-5.5/sql/sql_base.cc:1604: bool close_thread_table(THD*, TABLE**): Assertion `table->key_read == 0' failed.
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130115 2:59:33 [ERROR] mysqld got signal 6 ;
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#6 0x00007fc574266d4d in __GI___assert_fail (assertion=0xd0e164 "table->key_read == 0", file=<optimized out>, line=1604, function=<optimized out>) at assert.c:81
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#7 0x00000000005acbd6 in close_thread_table (thd=0x352fa20, table_ptr=0x352fad8) at /maria-5.5/sql/sql_base.cc:1604
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#8 0x00000000005ac481 in close_open_tables (thd=0x352fa20) at /maria-5.5/sql/sql_base.cc:1377
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#9 0x00000000005acb0c in close_thread_tables (thd=0x352fa20) at /maria-5.5/sql/sql_base.cc:1589
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#10 0x0000000000614557 in mysql_execute_command (thd=0x352fa20) at /maria-5.5/sql/sql_parse.cc:4530
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#11 0x000000000061731d in mysql_parse (thd=0x352fa20, rawbuf=0x362d4b8 "EXPLAIN \nSELECT * FROM t1\nWHERE EXISTS ( SELECT b FROM t2, t3\nGROUP BY b\nHAVING b != 3 )", length=88, parser_state=0x7fc563b4b500) at /maria-5.5/sql/sql_parse.cc:5741
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#12 0x000000000060aade in dispatch_command (command=COM_QUERY, thd=0x352fa20, packet=0x36931a1 "", packet_length=89) at /maria-5.5/sql/sql_parse.cc:1055
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#13 0x0000000000609d95 in do_command (thd=0x352fa20) at /maria-5.5/sql/sql_parse.cc:794
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#14 0x000000000070d0a3 in do_handle_one_connection (thd_arg=0x352fa20) at /maria-5.5/sql/sql_connect.cc:1253
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#15 0x000000000070ca8e in handle_one_connection (arg=0x352fa20) at /maria-5.5/sql/sql_connect.cc:1168
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#16 0x0000000000b92d63 in pfs_spawn_thread (arg=0x3691f00) at /maria-5.5/storage/perfschema/pfs.cc:1015
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#17 0x00007fc574faaefc in start_thread (arg=0x7fc563b4c700) at pthread_create.c:304
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#18 0x00007fc57431cf4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
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#19 0x0000000000000000 in ?? ()
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The failure appeared in maria/5.5 with the following revision:
revno: 3511 [merge]
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revision-id: psergey@askmonty.org-20120828112037-16ga9yq0akyd0fzc
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committer: Sergey Petrunya <psergey@askmonty.org>
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timestamp: Tue 2012-08-28 15:20:37 +0400
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message:
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Merge
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------------------------------------------------------------
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revno: 3501.1.1
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committer: Sergey Petrunya <psergey@askmonty.org>
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timestamp: Tue 2012-08-28 15:15:05 +0400
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message:
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MDEV-430: Server crashes in select_describe on EXPLAIN with materialization+semijoin, etc
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- Don't do early cleanup of uncorrelated subqueries if we're running an EXPLAIN.
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Test case:
--source include/have_innodb.inc
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CREATE TABLE t1 (a INT) ENGINE=InnoDB; |
CREATE TABLE t2 (b INT PRIMARY KEY, c INT) ENGINE=InnoDB; |
CREATE TABLE t3 (d INT) ENGINE=InnoDB; |
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EXPLAIN
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SELECT * FROM t1 |
WHERE EXISTS ( SELECT b FROM t2, t3 |
GROUP BY b |
HAVING b != 3 ); |
Minimal optimizer_switch: in_to_exists=on
Full optimizer_switch (default):
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off
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Not reproducible on MariaDB 5.3, MySQL 5.6.
Not reproducible with MyISAM instead of InnoDB.
Only EXPLAIN causes the failure, SELECT works.
Attachments
Issue Links
- is duplicated by
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MDEV-4536 mysqld: /my/maria-5.5/sql/sql_base.cc:1598: bool close_thread_table(THD*, TABLE**): Assertion `table->key_read == 0' failed.
- Closed