CREATE TABLE t (a CHAR,b CHAR) COLLATE=tis620_thai_nopad_ci;

INSERT INTO t VALUES (0,0);

SELECT a,SUM(DISTINCT a),MIN(b) FROM t GROUP BY a;

mysqld: /test/10.9_dbg/strings/ctype.c:1381: my_strnncollsp_nchars_generic_8bit: Assertion `(cs->state & 0x20000) == 0' failed.

Core was generated by `/test/MD260222-mariadb-10.9.0-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

[Current thread is 1 (Thread 0x1504f81fa700 (LWP 744415))]

(gdb) bt

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#1  0x000015050d2a8859 in __GI_abort () at abort.c:79

#2  0x000015050d2a8729 in __assert_fail_base (fmt=0x15050d43e588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55b5d96c418f "(cs->state & 0x20000) == 0", file=0x55b5d96c43d8 "/test/10.9_dbg/strings/ctype.c", line=1381, function=<optimized out>) at assert.c:92

#3  0x000015050d2b9f36 in __GI___assert_fail (assertion=assertion@entry=0x55b5d96c418f "(cs->state & 0x20000) == 0", file=file@entry=0x55b5d96c43d8 "/test/10.9_dbg/strings/ctype.c", line=line@entry=1381, function=function@entry=0x55b5d96c5300 <__PRETTY_FUNCTION__.15161> "my_strnncollsp_nchars_generic_8bit") at assert.c:101

#4  0x000055b5d8fed6b2 in my_strnncollsp_nchars_generic_8bit (cs=<optimized out>, str1=<optimized out>, len1=<optimized out>, str2=<optimized out>, len2=<optimized out>, nchars=<optimized out>) at /test/10.9_dbg/strings/ctype.c:1381

#5  0x000055b5d8745416 in Field_string::cmp (this=<optimized out>, a_ptr=<optimized out>, b_ptr=<optimized out>) at /test/10.9_dbg/sql/field.h:2100

#6  0x000055b5d87c9bf4 in Field::cmp (str=<optimized out>, this=<optimized out>) at /test/10.9_dbg/sql/field.h:1281

#7  Cached_item_field::cmp (this=0x1504a0017d98) at /test/10.9_dbg/sql/item_buff.cc:197

#8  0x000055b5d84efd31 in test_if_group_changed (list=@0x1504a0015d48: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x1504a006d1a8, last = 0x1504a006d1a8, elements = 1}, <No data fields>}) at /test/10.9_dbg/sql/sql_select.cc:25695

#9  0x000055b5d84f9985 in end_send_group (join=0x1504a0015bd0, join_tab=<optimized out>, end_of_records=<optimized out>) at /test/10.9_dbg/sql/sql_select.cc:22542

#10 0x000055b5d84c012c in evaluate_join_record (join=join@entry=0x1504a0015bd0, join_tab=join_tab@entry=0x1504a0017448, error=error@entry=0) at /test/10.9_dbg/sql/sql_select.cc:21325

#11 0x000055b5d84d655b in sub_select (join=0x1504a0015bd0, join_tab=0x1504a0017448, end_of_records=<optimized out>) at /test/10.9_dbg/sql/sql_select.cc:21095

#12 0x000055b5d850e386 in do_select (procedure=0x0, join=0x1504a0015bd0) at /test/10.9_dbg/sql/sql_select.cc:20640

#13 JOIN::exec_inner (this=this@entry=0x1504a0015bd0) at /test/10.9_dbg/sql/sql_select.cc:4749

#14 0x000055b5d850e932 in JOIN::exec (this=this@entry=0x1504a0015bd0) at /test/10.9_dbg/sql/sql_select.cc:4527

#15 0x000055b5d850c941 in mysql_select (thd=thd@entry=0x1504a0000db8, tables=0x1504a0014a78, fields=@0x1504a0014140: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x1504a0014438, last = 0x1504a0014a18, elements = 3}, <No data fields>}, conds=0x0, og_num=1, order=0x0, group=0x1504a0015290, having=0x0, proc_param=0x0, select_options=2147748608, result=0x1504a0015ba8, unit=0x1504a00051c8, select_lex=0x1504a0013ea0) at /test/10.9_dbg/sql/sql_select.cc:5007

#16 0x000055b5d850cbf6 in handle_select (thd=thd@entry=0x1504a0000db8, lex=lex@entry=0x1504a00050f0, result=result@entry=0x1504a0015ba8, setup_tables_done_option=setup_tables_done_option@entry=0) at /test/10.9_dbg/sql/sql_select.cc:543

#17 0x000055b5d846c152 in execute_sqlcom_select (thd=thd@entry=0x1504a0000db8, all_tables=0x1504a0014a78) at /test/10.9_dbg/sql/sql_parse.cc:6252

#18 0x000055b5d84790b9 in mysql_execute_command (thd=thd@entry=0x1504a0000db8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/10.9_dbg/sql/sql_parse.cc:3943

#19 0x000055b5d8465343 in mysql_parse (thd=thd@entry=0x1504a0000db8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x1504f81f9400) at /test/10.9_dbg/sql/sql_parse.cc:8027

#20 0x000055b5d8473fdf in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x1504a0000db8, packet=packet@entry=0x1504a000b889 "", packet_length=packet_length@entry=49, blocking=blocking@entry=true) at /test/10.9_dbg/sql/sql_class.h:1362

#21 0x000055b5d8477426 in do_command (thd=0x1504a0000db8, blocking=blocking@entry=true) at /test/10.9_dbg/sql/sql_parse.cc:1402

#22 0x000055b5d85f2036 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55b5db7c08a8, put_in_cache=put_in_cache@entry=true) at /test/10.9_dbg/sql/sql_connect.cc:1418

#23 0x000055b5d85f263b in handle_one_connection (arg=arg@entry=0x55b5db7c08a8) at /test/10.9_dbg/sql/sql_connect.cc:1312

#24 0x000055b5d8a78d23 in pfs_spawn_thread (arg=0x55b5db703328) at /test/10.9_dbg/storage/perfschema/pfs.cc:2201

#25 0x000015050d7b7609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#26 0x000015050d3a5293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

CREATE TABLE t (a CHAR,b CHAR,KEY(a,b)) ROW_FORMAT=DYNAMIC COLLATE=tis620_thai_nopad_ci ENGINE=InnoDB;

SET unique_checks=0,foreign_key_checks=0,autocommit=0;

INSERT INTO t VALUES (0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0);

mysqld: /test/10.9_dbg/strings/ctype.c:1381: my_strnncollsp_nchars_generic_8bit: Assertion `(cs->state & 0x20000) == 0' failed.

Core was generated by `/test/MD260222-mariadb-10.9.0-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

[Current thread is 1 (Thread 0x149b963a2700 (LWP 3386051))]

(gdb) bt

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#1  0x0000149bb5a32859 in __GI_abort () at abort.c:79

#2  0x0000149bb5a32729 in __assert_fail_base (fmt=0x149bb5bc8588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x561c2e97e18f "(cs->state & 0x20000) == 0", file=0x561c2e97e3d8 "/test/10.9_dbg/strings/ctype.c", line=1381, function=<optimized out>) at assert.c:92

#3  0x0000149bb5a44006 in __GI___assert_fail (assertion=assertion@entry=0x561c2e97e18f "(cs->state & 0x20000) == 0", file=file@entry=0x561c2e97e3d8 "/test/10.9_dbg/strings/ctype.c", line=line@entry=1381, function=function@entry=0x561c2e97f300 <__PRETTY_FUNCTION__.15161> "my_strnncollsp_nchars_generic_8bit") at assert.c:101

#4  0x0000561c2e2a76b2 in my_strnncollsp_nchars_generic_8bit (cs=<optimized out>, str1=<optimized out>, len1=<optimized out>, str2=<optimized out>, len2=<optimized out>, nchars=<optimized out>) at /test/10.9_dbg/strings/ctype.c:1381

#5  0x0000561c2df0bff1 in cmp_data (mtype=<optimized out>, prtype=<optimized out>, descending=descending@entry=false, data1=0x149b58332920 "0", len1=len1@entry=1, data2=data2@entry=0x149b58332980 "0", len2=1) at /test/10.9_dbg/storage/innobase/rem/rem0cmp.cc:305

#6  0x0000561c2df5acfd in cmp_dfield_dfield (descending=<optimized out>, dfield2=0x149b58332950, dfield1=0x149b583328d8) at /test/10.9_dbg/storage/innobase/include/data0data.h:589

#7  row_merge_tuple_cmp (index=index@entry=0x149b58023618, n_uniq=n_uniq@entry=3, n_field=n_field@entry=3, a=@0x149b58132840: {fields = 0x149b583328d8}, b=@0x149b58132848: {fields = 0x149b58332938}, dup=dup@entry=0x0) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:952

#8  0x0000561c2df5afe5 in row_merge_tuple_sort (index=index@entry=0x149b58023618, n_uniq=n_uniq@entry=3, n_field=n_field@entry=3, dup=dup@entry=0x0, tuples=tuples@entry=0x149b58132838, aux=aux@entry=0x149b58232838, low=1, high=3) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:1028

#9  0x0000561c2df5ae56 in row_merge_tuple_sort (index=index@entry=0x149b58023618, n_uniq=n_uniq@entry=3, n_field=n_field@entry=3, dup=dup@entry=0x0, tuples=tuples@entry=0x149b58132838, aux=aux@entry=0x149b58232838, low=0, high=3) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:1028

#10 0x0000561c2df5ae34 in row_merge_tuple_sort (index=0x149b58023618, n_uniq=3, n_field=3, dup=dup@entry=0x0, tuples=0x149b58132838, aux=0x149b58232838, low=0, high=7) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:1028

#11 0x0000561c2df5b11d in row_merge_buf_sort (buf=buf@entry=0x149b963a0220, dup=dup@entry=0x0) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:1042

#12 0x0000561c2df6715a in row_merge_bulk_t::write_to_index (this=this@entry=0x149b5806f640, index_no=index_no@entry=1, trx=trx@entry=0x149bb486b1e0) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:5234

#13 0x0000561c2df67316 in row_merge_bulk_t::write_to_table (this=0x149b5806f640, table=<optimized out>, trx=trx@entry=0x149bb486b1e0) at /test/10.9_dbg/storage/innobase/row/row0merge.cc:5278

#14 0x0000561c2e01ed9f in trx_mod_table_time_t::write_bulk (trx=0x149bb486b1e0, table=<optimized out>, this=0x149b58021590) at /test/10.9_dbg/storage/innobase/include/trx0trx.h:519

#15 trx_t::bulk_insert_apply (this=<optimized out>) at /test/10.9_dbg/storage/innobase/include/trx0trx.h:1133

#16 trx_mark_sql_stat_end (trx=trx@entry=0x149bb486b1e0) at /test/10.9_dbg/storage/innobase/trx/trx0trx.cc:1630

#17 0x0000561c2dddbfa6 in innobase_commit (hton=<optimized out>, thd=0x149b58000db8, commit_trx=<optimized out>) at /test/10.9_dbg/storage/innobase/handler/ha_innodb.cc:4564

#18 0x0000561c2da3d379 in commit_one_phase_2 (thd=thd@entry=0x149b58000db8, all=all@entry=false, trans=trans@entry=0x149b58004758, is_real_trans=is_real_trans@entry=false) at /test/10.9_dbg/sql/handler.cc:2051

#19 0x0000561c2da3d691 in ha_commit_one_phase (thd=thd@entry=0x149b58000db8, all=all@entry=false) at /test/10.9_dbg/sql/handler.cc:2004

#20 0x0000561c2da51aae in ha_commit_trans (thd=thd@entry=0x149b58000db8, all=all@entry=false) at /test/10.9_dbg/sql/handler.cc:1798

#21 0x0000561c2d8c2c38 in trans_commit_stmt (thd=thd@entry=0x149b58000db8) at /test/10.9_dbg/sql/transaction.cc:472

#22 0x0000561c2d7391be in mysql_execute_command (thd=thd@entry=0x149b58000db8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/10.9_dbg/sql/sql_parse.cc:6048

#23 0x0000561c2d71f343 in mysql_parse (thd=thd@entry=0x149b58000db8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x149b963a1400) at /test/10.9_dbg/sql/sql_parse.cc:8027

#24 0x0000561c2d72dfdf in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x149b58000db8, packet=packet@entry=0x149b5800b889 "INSERT INTO t VALUES (0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0)", packet_length=packet_length@entry=62, blocking=blocking@entry=true) at /test/10.9_dbg/sql/sql_class.h:1362

#25 0x0000561c2d731426 in do_command (thd=0x149b58000db8, blocking=blocking@entry=true) at /test/10.9_dbg/sql/sql_parse.cc:1402

#26 0x0000561c2d8ac036 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x561c308bf968, put_in_cache=put_in_cache@entry=true) at /test/10.9_dbg/sql/sql_connect.cc:1418

#27 0x0000561c2d8ac63b in handle_one_connection (arg=arg@entry=0x561c308bf968) at /test/10.9_dbg/sql/sql_connect.cc:1312

#28 0x0000561c2dd32d23 in pfs_spawn_thread (arg=0x561c307d2738) at /test/10.9_dbg/storage/perfschema/pfs.cc:2201

#29 0x0000149bb5f43609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#30 0x0000149bb5b2f163 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

CREATE TABLE t (a CHAR,KEY(a)) ENGINE=InnoDB COLLATE=tis620_thai_nopad_ci;

INSERT INTO t VALUES (0);

CREATE TABLE t (a CHAR,b CHAR,KEY(a,b)) ROW_FORMAT=DYNAMIC COLLATE=tis620_thai_nopad_ci;

SET foreign_key_checks=0;

SET SESSION unique_checks=0;

INSERT IGNORE INTO t VALUES (1,0),(1,0),(0,0),(0,0),(0,0),(0,0);

mysqld: /test/10.11_dbg/strings/ctype.c:1384: my_strnncollsp_nchars_generic_8bit: Assertion `(cs->state & 0x20000) == 0' failed.

Core was generated by `/test/MD190822-mariadb-10.11.0-linux-x86_64-dbg/bin/mysqld --no-defaults --core'.

Program terminated with signal SIGABRT, Aborted.

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

[Current thread is 1 (Thread 0x14ebe5f78700 (LWP 2191610))]

(gdb) bt

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#1  0x000014ec02f4b859 in __GI_abort () at abort.c:79

#2  0x000014ec02f4b729 in __assert_fail_base (fmt=0x14ec030e1588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55c525403069 "(cs->state & 0x20000) == 0", file=0x55c5254032b0 "/test/10.11_dbg/strings/ctype.c", line=1384, function=<optimized out>) at assert.c:92

#3  0x000014ec02f5cfd6 in __GI___assert_fail (assertion=assertion@entry=0x55c525403069 "(cs->state & 0x20000) == 0", file=file@entry=0x55c5254032b0 "/test/10.11_dbg/strings/ctype.c", line=line@entry=1384, function=function@entry=0x55c5254041c0 <__PRETTY_FUNCTION__.15203> "my_strnncollsp_nchars_generic_8bit") at assert.c:101

#4  0x000055c524cde773 in my_strnncollsp_nchars_generic_8bit (cs=<optimized out>, str1=<optimized out>, len1=<optimized out>, str2=<optimized out>, len2=<optimized out>, nchars=<optimized out>) at /test/10.11_dbg/strings/ctype.c:1384

#5  0x000055c52497a69e in cmp_data (mtype=<optimized out>, prtype=<optimized out>, descending=<optimized out>, data1=data1@entry=0x14eba801eb59 "10", '\245' <repeats 13 times>, "\250\353\001\250\353\024", len1=len1@entry=1, data2=data2@entry=0x14ec00ac407e "10", len2=1) at /test/10.11_dbg/storage/innobase/rem/rem0cmp.cc:303

#6  0x000055c52497b283 in cmp_dtuple_rec_with_match_low (dtuple=dtuple@entry=0x14eba8020ed0, rec=rec@entry=0x14ec00ac407e "10", index=index@entry=0x14eba8021a60, offsets=offsets@entry=0x14ebe5f73c60, n_cmp=3, matched_fields=matched_fields@entry=0x14ebe5f73ec0) at /test/10.11_dbg/storage/innobase/include/dict0mem.h:1207

#7  0x000055c52493ec90 in page_cur_search_with_match (block=block@entry=0x14ec009dcd80, index=index@entry=0x14eba8021a60, tuple=tuple@entry=0x14eba8020ed0, mode=mode@entry=PAGE_CUR_LE, iup_matched_fields=iup_matched_fields@entry=0x14ebe5f74758, ilow_matched_fields=ilow_matched_fields@entry=0x14ebe5f74768, cursor=0x14ebe5f753f8, rtr_info=0x0) at /test/10.11_dbg/storage/innobase/include/data0data.inl:253

#8  0x000055c524ada649 in btr_cur_search_to_nth_level_func (index=index@entry=0x14eba8021a60, level=level@entry=0, tuple=tuple@entry=0x14eba8020ed0, mode=mode@entry=PAGE_CUR_LE, latch_mode=<optimized out>, latch_mode@entry=2114, cursor=cursor@entry=0x14ebe5f753f0, ahi_latch=<optimized out>, mtr=<optimized out>, autoinc=<optimized out>) at /test/10.11_dbg/storage/innobase/btr/btr0cur.cc:1943

#9  0x000055c5249b4b51 in row_ins_sec_index_entry_low (flags=flags@entry=0, mode=mode@entry=2, index=index@entry=0x14eba8021a60, offsets_heap=<optimized out>, offsets_heap@entry=0x14eba806fc10, heap=heap@entry=0x14eba80700a0, entry=entry@entry=0x14eba8020ed0, trx_id=0, thr=0x14eba8029910) at /test/10.11_dbg/storage/innobase/row/row0ins.cc:2942

#10 0x000055c5249b6aa2 in row_ins_sec_index_entry (index=index@entry=0x14eba8021a60, entry=entry@entry=0x14eba8020ed0, thr=thr@entry=0x14eba8029910, check_foreign=check_foreign@entry=true) at /test/10.11_dbg/storage/innobase/row/row0ins.cc:3251

#11 0x000055c5249bb86c in row_ins_index_entry (thr=0x14eba8029910, entry=0x14eba8020ed0, index=0x14eba8021a60) at /test/10.11_dbg/storage/innobase/row/row0ins.cc:3310

#12 row_ins_index_entry_step (thr=0x14eba8029910, node=<optimized out>) at /test/10.11_dbg/storage/innobase/row/row0ins.cc:3476

#13 row_ins (thr=0x14eba8029910, node=<optimized out>) at /test/10.11_dbg/storage/innobase/row/row0ins.cc:3622

#14 row_ins_step (thr=thr@entry=0x14eba8029910) at /test/10.11_dbg/storage/innobase/row/row0ins.cc:3762

#15 0x000055c5249dddd1 in row_insert_for_mysql (mysql_rec=mysql_rec@entry=0x14eba801eb58 "\374\061\060", '\245' <repeats 13 times>, "\250\353\001\250\353\024", prebuilt=0x14eba80291c0, ins_mode=ROW_INS_NORMAL) at /test/10.11_dbg/storage/innobase/row/row0mysql.cc:1313

#16 0x000055c52486b1e1 in ha_innobase::write_row (this=0x14eba8028970, record=0x14eba801eb58 "\374\061\060", '\245' <repeats 13 times>, "\250\353\001\250\353\024") at /test/10.11_dbg/storage/innobase/handler/ha_innodb.cc:7855

#17 0x000055c5245544b7 in handler::ha_write_row (this=0x14eba8028970, buf=0x14eba801eb58 "\374\061\060", '\245' <repeats 13 times>, "\250\353\001\250\353\024") at /test/10.11_dbg/sql/handler.cc:7577

#18 0x000055c52421360c in write_record (thd=thd@entry=0x14eba8000db8, table=table@entry=0x14eba801e258, info=info@entry=0x14ebe5f76c30, sink=sink@entry=0x0) at /test/10.11_dbg/sql/sql_insert.cc:2191

#19 0x000055c52421e188 in mysql_insert (thd=thd@entry=0x14eba8000db8, table_list=<optimized out>, fields=@0x14eba8005ea8: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x55c525825c20 <end_of_list>, last = 0x14eba8005ea8, elements = 0}, <No data fields>}, values_list=@0x14eba8005ef0: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x14eba8014a00, last = 0x14eba8015068, elements = 6}, <No data fields>}, update_fields=@0x14eba8005ed8: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x55c525825c20 <end_of_list>, last = 0x14eba8005ed8, elements = 0}, <No data fields>}, update_values=@0x14eba8005ec0: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x55c525825c20 <end_of_list>, last = 0x14eba8005ec0, elements = 0}, <No data fields>}, duplic=DUP_ERROR, ignore=true, result=0x0) at /test/10.11_dbg/sql/sql_insert.cc:1146

#20 0x000055c52426124c in mysql_execute_command (thd=thd@entry=0x14eba8000db8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/10.11_dbg/sql/sql_parse.cc:4563

#21 0x000055c52424d882 in mysql_parse (thd=thd@entry=0x14eba8000db8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x14ebe5f77330) at /test/10.11_dbg/sql/sql_parse.cc:8035

#22 0x000055c52425ae6a in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x14eba8000db8, packet=packet@entry=0x14eba800b6e9 "INSERT IGNORE INTO t VALUES (1,0),(1,0),(0,0),(0,0),(0,0),(0,0)", packet_length=packet_length@entry=63, blocking=blocking@entry=true) at /test/10.11_dbg/sql/sql_class.h:1339

#23 0x000055c52425d574 in do_command (thd=0x14eba8000db8, blocking=blocking@entry=true) at /test/10.11_dbg/sql/sql_parse.cc:1407

#24 0x000055c5243bf1da in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55c52765ec08, put_in_cache=put_in_cache@entry=true) at /test/10.11_dbg/sql/sql_connect.cc:1418

#25 0x000055c5243bf6e3 in handle_one_connection (arg=0x55c52765ec08) at /test/10.11_dbg/sql/sql_connect.cc:1312

#26 0x000014ec0345c609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#27 0x000014ec03048133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

(cs->state & 0x20000) == 0|SIGABRT|my_strnncollsp_nchars_generic_8bit|cmp_data|cmp_dtuple_rec_with_match_low|page_cur_search_with_match

CREATE OR REPLACE TABLE t1

(

  id INT NOT NULL,

  data VARCHAR(2),

  KEY data_id (data(1),id)

) COLLATE tis620_thai_nopad_ci ENGINE=MyISAM

PARTITION BY RANGE (id)

(

  PARTITION p10 VALUES LESS THAN (10),

  PARTITION p20 VALUES LESS THAN (20)

);

INSERT INTO t1 VALUES (4, 'ab'), (14, 'ab'), (19,''),(9,'') ;

SELECT id FROM t1 WHERE data='' ORDER BY id;

DROP TABLE t1;