[MDEV-13711] Assertion `is_temporary_table(tables)' failed in open_and_process_table on CREATE TABLE .. LIKE <sequence> Created: 2017-09-02  Updated: 2018-08-31  Resolved: 2017-10-22

Status: Closed
Project: MariaDB Server
Component/s: Sequences
Affects Version/s: 10.3
Fix Version/s: 10.3.3

Type: Bug Priority: Major
Reporter: Elena Stepanova Assignee: Michael Widenius
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
PartOf
is part of MDEV-10139 Support for SEQUENCE objects Closed
Relates
relates to MDEV-13016 Testing SEQUENCE object phase 2 Closed

 Description   

CREATE SEQUENCE s;
CREATE TABLE t LIKE s;

10.3 016c35a7f2f4a

mysqld: /data/src/10.3/sql/sql_base.cc:3325: bool open_and_process_table(THD*, LEX*, TABLE_LIST*, uint*, uint, Prelocking_strategy*, bool, Open_table_context*): Assertion `is_temporary_table(tables)' failed.
170902 19:19:04 [ERROR] mysqld got signal 6 ;
 
#7  0x00007f192205bee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x000055b15dc94a06 in open_and_process_table (thd=0x7f190c000b00, lex=0x7f190c0046f8, tables=0x7f190c015130, counter=0x7f191c2efb64, flags=2080, prelocking_strategy=0x7f191c2efbe0, has_prelocking_list=false, ot_ctx=0x7f191c2efad0) at /data/src/10.3/sql/sql_base.cc:3325
#9  0x000055b15dc95ed7 in open_tables (thd=0x7f190c000b00, options=..., start=0x7f191c2efb48, counter=0x7f191c2efb64, flags=2080, prelocking_strategy=0x7f191c2efbe0) at /data/src/10.3/sql/sql_base.cc:3938
#10 0x000055b15dc97798 in open_and_lock_tables (thd=0x7f190c000b00, options=..., tables=0x7f190c014ae0, derived=false, flags=2080, prelocking_strategy=0x7f191c2efbe0) at /data/src/10.3/sql/sql_base.cc:4693
#11 0x000055b15dc8a49d in open_and_lock_tables (thd=0x7f190c000b00, tables=0x7f190c014ae0, derived=false, flags=2080) at /data/src/10.3/sql/sql_base.h:495
#12 0x000055b15defa7b4 in sequence_insert (thd=0x7f190c000b00, lex=0x7f190c0046f8, table_list=0x7f190c014ae0) at /data/src/10.3/sql/sql_sequence.cc:311
#13 0x000055b15ddddf33 in mysql_create_table_no_lock (thd=0x7f190c000b00, db=0x7f190c0150f0 "test", table_name=0x7f190c014aa8 "t", create_info=0x7f191c2f00c0, alter_info=0x7f191c2f0010, is_trans=0x7f191c2eff64, create_table_mode=0, table_list=0x7f190c014ae0) at /data/src/10.3/sql/sql_table.cc:4871
#14 0x000055b15dddf340 in mysql_create_like_table (thd=0x7f190c000b00, table=0x7f190c014ae0, src_table=0x7f190c015130, create_info=0x7f191c2f1820) at /data/src/10.3/sql/sql_table.cc:5327
#15 0x000055b15dd13bf8 in mysql_execute_command (thd=0x7f190c000b00) at /data/src/10.3/sql/sql_parse.cc:4219
#16 0x000055b15dd1fbd4 in mysql_parse (thd=0x7f190c000b00, rawbuf=0x7f190c014a08 "CREATE TABLE t LIKE s", length=21, parser_state=0x7f191c2f2610, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7921
#17 0x000055b15dd0d32e in dispatch_command (command=COM_QUERY, thd=0x7f190c000b00, packet=0x7f190c149c51 "CREATE TABLE t LIKE s", packet_length=21, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1819
#18 0x000055b15dd0bd90 in do_command (thd=0x7f190c000b00) at /data/src/10.3/sql/sql_parse.cc:1370
#19 0x000055b15de62646 in do_handle_one_connection (connect=0x55b160461260) at /data/src/10.3/sql/sql_connect.cc:1418
#20 0x000055b15de623d3 in handle_one_connection (arg=0x55b160461260) at /data/src/10.3/sql/sql_connect.cc:1324
#21 0x000055b15e2da1dc in pfs_spawn_thread (arg=0x55b1604fa240) at /data/src/10.3/storage/perfschema/pfs.cc:1862
#22 0x00007f1923fa0494 in start_thread (arg=0x7f191c2f3700) at pthread_create.c:333
#23 0x00007f192211893f in clone () from /lib/x86_64-linux-gnu/libc.so.6

No visible harm for non-debug builds.



 Comments   
Comment by Michael Widenius [ 2017-10-22 ]

Wrong assert. Fixed the following way:

  • Update assert in open_and_process_tables to handle sequences
  • Removed not needed and conflicting mdl_context.release_transactional_locks
    in sql_sequence.cc. The MDL lock is released at end of mysql_execute_command().

Pushed into bb-10.2-ext, which will be shortly merged into 10.3

Fix provided by Aleksey Midenkov

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