Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.6, 10.11, 10.7(EOL), 10.8(EOL), 10.9(EOL), 10.10(EOL)
Description
--source include/have_innodb.inc
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CREATE TABLE t (a VARCHAR(16) COLLATE utf8_bin, FULLTEXT (a)) ENGINE=InnoDB COLLATE utf8_unicode_520_ci; |
ALTER TABLE t MODIFY COLUMN a VARCHAR(512); |
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# Cleanup
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DROP TABLE t; |
10.6 39cafb66 |
mariadbd: /data/src/10.6/storage/innobase/include/dict0mem.h:1348: void dict_index_t::init_change_cols(unsigned int): Assertion `n_fields > n_cols' failed.
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220816 17:22:34 [ERROR] mysqld got signal 6 ;
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#7 0x00007fa9b97e3662 in __GI___assert_fail (assertion=0x562bd1de7852 "n_fields > n_cols", file=0x562bd1de73f8 "/data/src/10.10/storage/innobase/include/dict0mem.h", line=1339, function=0x562bd1de7868 "void dict_index_t::init_change_cols(unsigned int)") at assert.c:101
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#8 0x0000562bd154f4e1 in dict_index_t::init_change_cols (this=0x7fa96c11fc08, n_cols=1) at /data/src/10.10/storage/innobase/include/dict0mem.h:1339
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#9 0x0000562bd155a1b4 in ha_innobase_inplace_ctx::change_col_collation (this=0x7fa96c016b40, index=0x7fa96c11fc08, altered_table=...) at /data/src/10.10/storage/innobase/handler/handler0alter.cc:1430
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#10 0x0000562bd153e7b5 in prepare_inplace_alter_table_dict (ha_alter_info=0x7fa9ac5550d0, altered_table=0x7fa9ac555190, old_table=0x7fa96c042ef8, table_name=0x7fa96c22624d "t", flags=33, flags2=84, fts_doc_id_col=1, add_fts_doc_id=false, add_fts_doc_id_idx=false) at /data/src/10.10/storage/innobase/handler/handler0alter.cc:7200
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#11 0x0000562bd15447d6 in ha_innobase::prepare_inplace_alter_table (this=0x7fa96c11a970, altered_table=0x7fa9ac555190, ha_alter_info=0x7fa9ac5550d0) at /data/src/10.10/storage/innobase/handler/handler0alter.cc:8492
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#12 0x0000562bd1117bfa in handler::ha_prepare_inplace_alter_table (this=0x7fa96c11a970, altered_table=0x7fa9ac555190, ha_alter_info=0x7fa9ac5550d0) at /data/src/10.10/sql/handler.cc:5215
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#13 0x0000562bd0e64828 in mysql_inplace_alter_table (thd=0x7fa96c000db8, table_list=0x7fa96c015570, table=0x7fa96c042ef8, altered_table=0x7fa9ac555190, ha_alter_info=0x7fa9ac5550d0, target_mdl_request=0x7fa9ac555960, ddl_log_state=0x7fa9ac555070, trigger_param=0x7fa9ac555550, alter_ctx=0x7fa9ac5564d0, partial_alter=@0x7fa9ac554f76: false, start_alter_id=@0x7fa9ac554fb0: 0, if_exists=false) at /data/src/10.10/sql/sql_table.cc:7612
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#14 0x0000562bd0e6e124 in mysql_alter_table (thd=0x7fa96c000db8, new_db=0x7fa96c005a90, new_name=0x7fa96c005ea0, create_info=0x7fa9ac5572e0, table_list=0x7fa96c015570, alter_info=0x7fa9ac5571f0, order_num=0, order=0x0, ignore=false, if_exists=false) at /data/src/10.10/sql/sql_table.cc:10704
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#15 0x0000562bd0f24306 in Sql_cmd_alter_table::execute (this=0x7fa96c015d80, thd=0x7fa96c000db8) at /data/src/10.10/sql/sql_alter.cc:547
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#16 0x0000562bd0d4f185 in mysql_execute_command (thd=0x7fa96c000db8, is_called_from_prepared_stmt=false) at /data/src/10.10/sql/sql_parse.cc:5997
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#17 0x0000562bd0d55227 in mysql_parse (thd=0x7fa96c000db8, rawbuf=0x7fa96c015470 "ALTER TABLE t MODIFY COLUMN a VARCHAR(512)", length=42, parser_state=0x7fa9ac5583c0) at /data/src/10.10/sql/sql_parse.cc:8035
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#18 0x0000562bd0d41807 in dispatch_command (command=COM_QUERY, thd=0x7fa96c000db8, packet=0x7fa96c00b9f9 "ALTER TABLE t MODIFY COLUMN a VARCHAR(512)", packet_length=42, blocking=true) at /data/src/10.10/sql/sql_parse.cc:1894
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#19 0x0000562bd0d40202 in do_command (thd=0x7fa96c000db8, blocking=true) at /data/src/10.10/sql/sql_parse.cc:1407
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#20 0x0000562bd0f1905a in do_handle_one_connection (connect=0x562bd4c98388, put_in_cache=true) at /data/src/10.10/sql/sql_connect.cc:1418
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#21 0x0000562bd0f18cf9 in handle_one_connection (arg=0x562bd4cadc08) at /data/src/10.10/sql/sql_connect.cc:1312
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#22 0x0000562bd1418972 in pfs_spawn_thread (arg=0x562bd4c97ef8) at /data/src/10.10/storage/perfschema/pfs.cc:2201
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#23 0x00007fa9b9cadea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
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#24 0x00007fa9b98acdef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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The failure started happening on 10.6 after this commit:
commit f8240a2723f0cad948a02fc5381f050d02e45e95
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Author: Marko Mäkelä
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Date: Mon Jul 4 11:15:15 2022 +0300
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MDEV-26294 Duplicate entries in unique index not detected when changing collation
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