[MDEV-17969] Assertion `name' failed in THD::push_warning_truncated_value_for_field Created: 2018-12-11  Updated: 2019-03-29  Resolved: 2019-03-29

Status: Closed
Project: MariaDB Server
Component/s: Temporal Types
Affects Version/s: 10.4
Fix Version/s: 10.4.4

Type: Bug Priority: Major
Reporter: Alice Sherepa Assignee: Alexander Barkov
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Relates
relates to MDEV-17274 Split Field_temporal_with_date::store... Closed

 Description    

/git/10.4/sql/sql_class.h:4424: void THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, const char*, const char*, const char*): Assertion `name' failed.
 
181210 20:46:14 [ERROR] mysqld got signal 6 ;
 
 
 
stdlib/abort.c:91(__GI_abort)[0x7fbae289602a]
 
assert/assert.c:92(__assert_fail_base)[0x7fbae288cbd7]
 
/lib/x86_64-linux-gnu/libc.so.6(+0x2dc82)[0x7fbae288cc82]
 
sql/sql_class.h:4426(THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, char const*, char const*, char const*))[0x55e99bfcffb2]
 
sql/field.cc:10864(Field::set_datetime_warning(Sql_state_errno_level::enum_warning_level, unsigned int, ErrConv const*, char const*, int) const)[0x55e99c4779c8]
 
sql/field.h:1384(Field::set_datetime_warning(unsigned int, ErrConv const*, char const*, int) const)[0x55e99c47da08]
 
sql/field.cc:5545(Field_temporal::set_warnings(Sql_state_errno_level::enum_warning_level, ErrConv const*, int, char const*))[0x55e99c43b60b]
 
sql/field.h:2629(Field_temporal::store_invalid_with_warning(ErrConv const*, int, char const*))[0x55e99c482510]
 
sql/field.cc:6284(Field_date_common::store_TIME_with_warning(Datetime const*, ErrConv const*, int))[0x55e99c446145]
 
sql/field.cc:6327(Field_date_common::store_time_dec(st_mysql_time const*, unsigned int))[0x55e99c446c1c]
 
sql/item.cc:305(Item::save_date_in_field(Field*, bool))[0x55e99c4e3366]
 
sql/sql_type.cc:3395(Type_handler_temporal_with_date::Item_save_in_field(Item*, Field*, bool) const)[0x55e99c225064]
 
sql/item.cc:6470(Item::save_in_field(Field*, bool))[0x55e99c513249]
 
/home/alice/git/10.4/sql/mysqld(_ZN17Item_result_field20save_in_result_fieldEb+0x9e)[0x55e99bc7c52c]
 
sql/item.h:3076(Item_result_field::save_in_result_field(bool))[0x55e99bee2e61]
 
sql/sql_select.cc:24380(copy_funcs(Item**, THD const*))[0x55e99becb825]
 
sql/sql_select.cc:20802(end_write(JOIN*, st_join_table*, bool))[0x55e99bef8b48]
 
sql/sql_select.cc:27352(AGGR_OP::put_record(bool))[0x55e99bf04c69]
 
sql/sql_select.h:1021(AGGR_OP::put_record())[0x55e99bebfee6]
 
sql/sql_select.cc:19112(sub_select_postjoin_aggr(JOIN*, st_join_table*, bool))[0x55e99bec20bc]
 
sql/sql_select.cc:19610(evaluate_join_record(JOIN*, st_join_table*, int))[0x55e99bec0cc0]
 
sql/sql_select.cc:19390(sub_select(JOIN*, st_join_table*, bool))[0x55e99bebf15f]
 
sql/sql_select.cc:18930(do_select(JOIN*, Procedure*))[0x55e99be5db3f]
 
sql/sql_select.cc:4094(JOIN::exec_inner())[0x55e99be5b7e4]
 
sql/sql_select.cc:3889(JOIN::exec())[0x55e99be5ec13]
 
sql/sql_select.cc:4295(mysql_select(THD*, 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*))[0x55e99be38eae]
 
sql/sql_select.cc:385(handle_select(THD*, LEX*, select_result*, unsigned long))[0x55e99bdaf2ff]
 
sql/sql_parse.cc:4243(mysql_execute_command(THD*))[0x55e99bdc7444]
 
sql/sql_parse.cc:8103(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55e99bda2266]
 
sql/sql_parse.cc:1852(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55e99bd9f3fe]
 
sql/sql_parse.cc:1395(do_command(THD*))[0x55e99c0f64db]
 
sql/sql_connect.cc:1402(do_handle_one_connection(CONNECT*))[0x55e99c0f5eb8]
 
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7fbae34d16ba]
 
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7fbae296641d]
 
 
 
Query (0x62b000173288): CREATE TEMPORARY TABLE tmp10 AS SELECT DISTINCT BIT_LENGTH( `pk` ) AS field1 FROM `view_t3` GROUP BY CASE 0 WHEN `col_varchar` THEN ( ROUND( `col_time` ) ) END, FROM_DAYS( ( UUID() ) ) ORDER BY BENCHMARK( 3, ENCRYPT( 'f' ) ), CASE `vcol_char` WHEN 'eclasipxvqcsplbzfmznzdszbadydgvymahqnnvdvbbkahsykisjfqxszkrybrfetzeysbmjrgmdvdrtophdebflzeujqbvutshuqylveogxlswusjexzmmeuzxljtacdwteaoxnhtcmegiqezqzqfctvgvqmjyzgahazlusexohcjrvxplqyprvvtnvetyxjcinmibyvyjafxrjemcosaojakcoqrgolfgtvzjhhiinxqxqylkvno' THEN `col_datetime` ELSE 0 END 


 
 
perl ./runall-new.pl --no-mask --seed=random --duration=400 --queries=100M --short_column_names --reporters=Backtrace,ErrorLog,Deadlock --validators=TransformerNoComparator --transformers=ConvertSubqueriesToViews,ConvertTablesToDerived,Count,DisableIndexes,DisableOptimizations,Distinct,EnableOptimizations,ExecuteAsCTE,ExecuteAsDeleteReturning,ExecuteAsDerived,ExecuteAsExcept,ExecuteAsExecuteImmediate,ExecuteAsInsertSelect,ExecuteAsIntersect,ExecuteAsSelectItem,ExecuteAsUnion,ExecuteAsUpdateDelete,ExecuteAsView,ExecuteAsWhereSubquery,Having,InlineSubqueries,InlineVirtualColumns,LimitRowsExamined,OrderBy,StraightJoin,ExecuteAsPreparedTwice,ExecuteAsTrigger,ExecuteAsSPTwice,ExecuteAsFunctionTwice --mysqld=--log_output=FILE --redefine=conf/mariadb/modules/sql_mode.yy --querytimeout=30 --redefine=conf/mariadb/alter_table.yy --redefine=conf/mariadb/sp.yy --redefine=conf/mariadb/bulk_insert.yy --redefine=conf/mariadb/sequences.yy --views --vcols --notnull --threads=8 --grammar=conf/mariadb/functions-pre-10.3.yy --engine=InnoDB --gendata-advanced --basedir1=/git/10.4 --vardir1=/1



 Comments   
Comment by Elena Stepanova [ 2019-01-07 ] 

CREATE TABLE t1 (d DATE);
 
INSERT INTO t1 VALUES ('2018-01-01'),('2019-01-01');
 
 
 
SET SESSION SQL_MODE= 'STRICT_ALL_TABLES,NO_ZERO_DATE';
 
--error ER_TRUNCATED_WRONG_VALUE
 
CREATE TABLE t2 SELECT 1 AS f FROM t1 GROUP BY FROM_DAYS(d);
 
 
 
# Cleanup
 
DROP TABLE t1;

10.4 2465d3e00b2

 
mysqld: /data/src/10.4/sql/sql_class.h:4426: void THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, const char*, const char*, const TABLE_SHARE*, const char*): Assertion `name' failed.
 
190107 15:42:38 [ERROR] mysqld got signal 6 ;
 
 
 
#7  0x00007f171646aee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
 
#8  0x0000560bc8350e38 in THD::push_warning_truncated_value_for_field (this=0x7f1700000b00, level=Sql_state_errno_level::WARN_LEVEL_WARN, type_str=0x560bc8f9153b "date", val=0x7f17105fb448 "0000-00-00", s=0x7f170006d110, name=0x0) at /data/src/10.4/sql/sql_class.h:4426
 
#9  0x0000560bc8565562 in Field::set_datetime_warning (this=0x7f170006da58, level=Sql_state_errno_level::WARN_LEVEL_WARN, code=1264, str=0x7f17105fb440, typestr=0x560bc8f9153b "date", cuted_increment=1) at /data/src/10.4/sql/field.cc:10929
 
#10 0x0000560bc85686d6 in Field::set_datetime_warning (this=0x7f170006da58, code=1264, str=0x7f17105fb440, typestr=0x560bc8f9153b "date", cuted_increment=1) at /data/src/10.4/sql/field.h:1397
 
#11 0x0000560bc854f1f9 in Field_temporal::set_warnings (this=0x7f170006da58, trunc_level=Sql_state_errno_level::WARN_LEVEL_WARN, str=0x7f17105fb440, was_cut=2, typestr=0x560bc8f9153b "date") at /data/src/10.4/sql/field.cc:5603
 
#12 0x0000560bc856aaee in Field_temporal::store_invalid_with_warning (this=0x7f170006da58, str=0x7f17105fb440, was_cut=8, typestr=0x560bc8f9153b "date") at /data/src/10.4/sql/field.h:2642
 
#13 0x0000560bc85530ec in Field_date_common::store_TIME_with_warning (this=0x7f170006da58, dt=0x7f17105fb410, str=0x7f17105fb440, was_cut=8) at /data/src/10.4/sql/field.cc:6343
 
#14 0x0000560bc855359f in Field_date_common::store_time_dec (this=0x7f170006da58, ltime=0x7f17105fb6b0, dec=0) at /data/src/10.4/sql/field.cc:6386
 
#15 0x0000560bc859324a in Item::save_date_in_field (this=0x7f17000163c0, field=0x7f170006da58, no_conversions=true) at /data/src/10.4/sql/item.cc:311
 
#16 0x0000560bc845edda in Type_handler_temporal_with_date::Item_save_in_field (this=0x560bc98812c8 <type_handler_newdate>, item=0x7f17000163c0, field=0x7f170006da58, no_conversions=true) at /data/src/10.4/sql/sql_type.cc:3536
 
#17 0x0000560bc85a59bd in Item::save_in_field (this=0x7f17000163c0, field=0x7f170006da58, no_conversions=true) at /data/src/10.4/sql/item.cc:6506
 
#18 0x0000560bc81e564f in Item_result_field::save_in_result_field (this=0x7f17000163c0, no_conversions=true) at /data/src/10.4/sql/item.h:3150
 
#19 0x0000560bc82ecc2c in copy_funcs (func_ptr=0x7f170006d698, thd=0x7f1700000b00) at /data/src/10.4/sql/sql_select.cc:24375
 
#20 0x0000560bc82e3c93 in end_write (join=0x7f1700016f50, join_tab=0x7f1700018f28, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:20802
 
#21 0x0000560bc82f57c4 in AGGR_OP::put_record (this=0x7f1700019828, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:27354
 
#22 0x0000560bc82fad7d in AGGR_OP::put_record (this=0x7f1700019828) at /data/src/10.4/sql/sql_select.h:1021
 
#23 0x0000560bc82dfd4f in sub_select_postjoin_aggr (join=0x7f1700016f50, join_tab=0x7f1700018f28, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:19112
 
#24 0x0000560bc82e0989 in evaluate_join_record (join=0x7f1700016f50, join_tab=0x7f1700018b78, error=0) at /data/src/10.4/sql/sql_select.cc:19610
 
#25 0x0000560bc82e0269 in sub_select (join=0x7f1700016f50, join_tab=0x7f1700018b78, end_of_records=false) at /data/src/10.4/sql/sql_select.cc:19390
 
#26 0x0000560bc82df7a3 in do_select (join=0x7f1700016f50, procedure=0x0) at /data/src/10.4/sql/sql_select.cc:18930
 
#27 0x0000560bc82b8203 in JOIN::exec_inner (this=0x7f1700016f50) at /data/src/10.4/sql/sql_select.cc:4094
 
#28 0x0000560bc82b7644 in JOIN::exec (this=0x7f1700016f50) at /data/src/10.4/sql/sql_select.cc:3888
 
#29 0x0000560bc82b8903 in mysql_select (thd=0x7f1700000b00, tables=0x7f1700015c20, wild_num=0, fields=..., conds=0x0, og_num=1, order=0x0, group=0x7f1700016480, having=0x0, proc_param=0x0, select_options=2416184064, result=0x7f1700016e58, unit=0x7f17000049c0, select_lex=0x7f1700015700) at /data/src/10.4/sql/sql_select.cc:4293
 
#30 0x0000560bc82aa20f in handle_select (thd=0x7f1700000b00, lex=0x7f17000048f8, result=0x7f1700016e58, setup_tables_done_option=0) at /data/src/10.4/sql/sql_select.cc:385
 
#31 0x0000560bc826bcc1 in mysql_execute_command (thd=0x7f1700000b00) at /data/src/10.4/sql/sql_parse.cc:4244
 
#32 0x0000560bc8278244 in mysql_parse (thd=0x7f1700000b00, rawbuf=0x7f1700014f98 "CREATE TABLE t2 SELECT 1 AS f FROM t1 GROUP BY FROM_DAYS(d)", length=59, parser_state=0x7f17105fc600, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:8104
 
#33 0x0000560bc826546e in dispatch_command (command=COM_QUERY, thd=0x7f1700000b00, packet=0x7f170000b421 "CREATE TABLE t2 SELECT 1 AS f FROM t1 GROUP BY FROM_DAYS(d)", packet_length=59, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1851
 
#34 0x0000560bc8263e92 in do_command (thd=0x7f1700000b00) at /data/src/10.4/sql/sql_parse.cc:1396
 
#35 0x0000560bc83d00ba in do_handle_one_connection (connect=0x560bcba266b0) at /data/src/10.4/sql/sql_connect.cc:1402
 
#36 0x0000560bc83cfe3e in handle_one_connection (arg=0x560bcba266b0) at /data/src/10.4/sql/sql_connect.cc:1308
 
#37 0x0000560bc888f164 in pfs_spawn_thread (arg=0x560bcb96a970) at /data/src/10.4/storage/perfschema/pfs.cc:1862
 
#38 0x00007f1717f26494 in start_thread (arg=0x7f17105fd700) at pthread_create.c:333
 
#39 0x00007f171652793f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Reproducible with at least MyISAM and InnoDB.
Not reproducible on 10.3.
Non-release build doesn't crash, but the output is not pretty:

10.4 non-debug 2465d3e00b2

 
CREATE TABLE t2 SELECT 1 AS f FROM t1 GROUP BY FROM_DAYS(d);
 
ERROR 22007: Incorrect date value: '0000-00-00' for column ``.`(temporary)`.`(null)` at row 1

The failure seems to have appeared with this commit:

Author: Alexander Barkov <bar@mariadb.com>
 
Date:   Sun Dec 2 18:59:04 2018 +0400
 
 
 
    MDEV-17319 Assertion `ts_type != MYSQL_TIMESTAMP_TIME' failed upon inserting into TIME field

Comment by Alice Sherepa [ 2019-02-12 ]

Similar test case:

--source include/have_innodb.inc
 
 
 
create table t1 (c1 date , c2 timestamp) engine=innodb;
 
insert into t1  values ('2006-07-17','0000-00-00 00:00:00');
 
 
 
create table t2 (pk int, a1 time) engine=innodb;
 
insert into t2 values (6,'00:00:00');
 
 
 
set session sql_mode= 'strict_all_tables,no_zero_date';
 
create table tbl select * from t1 where t1.c1 = (select c2 from t2 where pk = 6); #there is no column c2 in table t2

10.4 9f56dd738235dc21204fb

 
THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, const char*, const char*, const TABLE_SHARE*, const char*): Assertion `name' failed.
 
 
 
#6  0x00007f992ce2bbd7 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x5646b5ae299c "name", file=file@entry=0x5646b5ae26e8 "/10.4/sql/sql_class.h", line=line@entry=4463, function=function@entry=0x5646b5ae5aa0 <THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, char const*, char const*, TABLE_SHARE const*, char const*)::__PRETTY_FUNCTION__> "void THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, const char*, const char*, const TABLE_SHARE*, const char*)") at assert.c:92
 
#7  0x00007f992ce2bc82 in __GI___assert_fail (assertion=0x5646b5ae299c "name", file=0x5646b5ae26e8 "/10.4/sql/sql_class.h", line=4463, function=0x5646b5ae5aa0 <THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, char const*, char const*, TABLE_SHARE const*, char const*)::__PRETTY_FUNCTION__> "void THD::push_warning_truncated_value_for_field(Sql_state_errno_level::enum_warning_level, const char*, const char*, const TABLE_SHARE*, const char*)") at assert.c:101
 
#8  0x00005646b4fb1e30 in THD::push_warning_truncated_value_for_field (this=0x7f98dc000b00, level=Sql_state_errno_level::WARN_LEVEL_WARN, type_str=0x5646b5c3a8f5 "datetime", val=0x7f9925302a78 "0000-00-00 00:00:00", s=0x7f98dc1c4240, name=0x0) at /10.4/sql/sql_class.h:4463
 
#9  0x00005646b51e3306 in Field::set_datetime_warning (this=0x7f98dc084b78, level=Sql_state_errno_level::WARN_LEVEL_WARN, code=1265, str=0x7f9925302a70, typestr=0x5646b5c3a8f5 "datetime", cuted_increment=1) at /10.4/sql/field.cc:10929
 
#10 0x00005646b51e64e4 in Field::set_datetime_warning (this=0x7f98dc084b78, code=1265, str=0x7f9925302a70, typestr=0x5646b5c3a8f5 "datetime", cuted_increment=1) at /10.4/sql/field.h:1397
 
#11 0x00005646b51cae2f in Field_timestamp::zero_time_stored_return_code_with_warning (this=0x7f98dc084b78) at /10.4/sql/field.cc:5167
 
#12 0x00005646b51caed5 in Field_timestamp::store_native (this=0x7f98dc084b78, value=...) at /10.4/sql/field.cc:5180
 
#13 0x00005646b50b901d in Timestamp_or_zero_datetime_native::save_in_field (this=0x7f98dc1bf3a8, field=0x7f98dc084b78, decimals=0) at /10.4/sql/sql_type.cc:309
 
#14 0x00005646b523055d in Item_cache_timestamp::save_in_field (this=0x7f98dc1bf300, field=0x7f98dc084b78, no_conversions=true) at /10.4/sql/item.cc:9882
 
#15 0x00005646b4db5226 in Item::save_org_in_field (this=0x7f98dc1bf300, field=0x7f98dc084b78, data=0x0) at /10.4/sql/item.h:1025
 
#16 0x00005646b4db55d2 in Item::save_val (this=0x7f98dc1bf300, to=0x7f98dc084b78) at /10.4/sql/item.h:1456
 
#17 0x00005646b4e3e168 in fill_record (thd=0x7f98dc000b00, table=0x7f98dc1c36a8, ptr=0x7f98dc1c4788, values=..., ignore_errors=true, use_value=true) at /10.4/sql/sql_base.cc:8686
 
#18 0x00005646b509e06d in Expression_cache_tmptable::put_value (this=0x7f98dc1bf3c8, value=0x7f98dc1bf300) at /10.4/sql/sql_expression_cache.cc:272
 
#19 0x00005646b5237e65 in Item_cache_wrapper::cache (this=0x7f98dc1bf240) at /10.4/sql/item.cc:8569
 
#20 0x00005646b522d518 in Item_cache_wrapper::get_date (this=0x7f98dc1bf240, thd=0x7f98dc000b00, ltime=0x7f99253030b0, fuzzydate=...) at /10.4/sql/item.cc:8800
 
#21 0x00005646b50baebd in Temporal_with_date::make_from_item (this=0x7f99253030b0, thd=0x7f98dc000b00, item=0x7f98dc1bf240, fuzzydate=...) at /10.4/sql/sql_type.cc:822
 
#22 0x00005646b4db4a1a in Temporal_with_date::Temporal_with_date (this=0x7f99253030b0, thd=0x7f98dc000b00, item=0x7f98dc1bf240, fuzzydate=...) at /10.4/sql/sql_type.h:1766
 
#23 0x00005646b4db4b7e in Datetime::Datetime (this=0x7f99253030b0, thd=0x7f98dc000b00, item=0x7f98dc1bf240, fuzzydate=...) at /10.4/sql/sql_type.h:2009
 
#24 0x00005646b4db5a34 in Item::val_datetime_packed (this=0x7f98dc1bf240, thd=0x7f98dc000b00) at /10.4/sql/item.h:1703
 
#25 0x00005646b523e1be in Arg_comparator::compare_datetime (this=0x7f98dc017f28) at /10.4/sql/item_cmpfunc.cc:730
 
#26 0x00005646b5253fbe in Arg_comparator::compare (this=0x7f98dc017f28) at /10.4/sql/item_cmpfunc.h:104
 
#27 0x00005646b52414cf in Item_func_eq::val_int (this=0x7f98dc017e60) at /10.4/sql/item_cmpfunc.cc:1749
 
#28 0x00005646b4f41328 in evaluate_join_record (join=0x7f98dc018af0, join_tab=0x7f98dc1bbfe0, error=0) at /10.4/sql/sql_select.cc:19485
 
#29 0x00005646b4f40f32 in sub_select (join=0x7f98dc018af0, join_tab=0x7f98dc1bbfe0, end_of_records=false) at /10.4/sql/sql_select.cc:19390
 
#30 0x00005646b4f4046e in do_select (join=0x7f98dc018af0, procedure=0x0) at /10.4/sql/sql_select.cc:18930
 
#31 0x00005646b4f1930d in JOIN::exec_inner (this=0x7f98dc018af0) at /10.4/sql/sql_select.cc:4094
 
#32 0x00005646b4f18750 in JOIN::exec (this=0x7f98dc018af0) at /10.4/sql/sql_select.cc:3888
 
#33 0x00005646b4f19a06 in mysql_select (thd=0x7f98dc000b00, tables=0x7f98dc015e58, wild_num=1, fields=..., conds=0x7f98dc017e60, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2416184064, result=0x7f98dc0189f8, unit=0x7f98dc0049c0, select_lex=0x7f98dc0158d0) at /10.4/sql/sql_select.cc:4293
 
#34 0x00005646b4f0b38b in handle_select (thd=0x7f98dc000b00, lex=0x7f98dc0048f8, result=0x7f98dc0189f8, setup_tables_done_option=0) at /10.4/sql/sql_select.cc:385
 
#35 0x00005646b4ecb106 in mysql_execute_command (thd=0x7f98dc000b00) at /10.4/sql/sql_parse.cc:4272
 
#36 0x00005646b4ed8d7f in mysql_parse (thd=0x7f98dc000b00, rawbuf=0x7f98dc015168 "create table tbl select * from t1 where t1.c1 = (select c2 from t2 where pk = 6)", length=80, parser_state=0x7f9925304090, is_com_multi=false, is_next_command=false) at /10.4/sql/sql_parse.cc:8120
 
#37 0x00005646b4ec4295 in dispatch_command (command=COM_QUERY, thd=0x7f98dc000b00, packet=0x7f98dc00a431 "create table tbl select * from t1 where t1.c1 = (select c2 from t2 where pk = 6)", packet_length=80, is_com_multi=false, is_next_command=false) at /10.4/sql/sql_parse.cc:1806
 
#38 0x00005646b4ec2b99 in do_command (thd=0x7f98dc000b00) at /10.4/sql/sql_parse.cc:1356
 
#39 0x00005646b5031e5e in do_handle_one_connection (connect=0x5646b8682450) at /10.4/sql/sql_connect.cc:1399
 
#40 0x00005646b5031b9c in handle_one_connection (arg=0x5646b8682450) at /10.4/sql/sql_connect.cc:1302
 
#41 0x00005646b5959e7f in pfs_spawn_thread (arg=0x5646b8716ea0) at /10.4/storage/perfschema/pfs.cc:1862
 
#42 0x00007f992dc746ba in start_thread (arg=0x7f9925305700) at pthread_create.c:333
 
#43 0x00007f992cf0541d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Comment by Alexander Barkov [ 2019-03-29 ]

The last test is not repeatable with MyISAM.

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