--source include/have_partition.inc

CREATE TABLE t1 ( a int auto_increment, KEY (a)) partition BY hash (a) partitions 4 ;

INSERT INTO t1 VALUES (1),(6),(3);

ALTER TABLE t1 ORDER BY a;

UPDATE  t1 PARTITION (p2) SET a = 2 WHERE a = 6;

mysqld: /10.4/src/sql/ha_partition.cc:8416: virtual int ha_partition::info(uint): Assertion `auto_increment_value' failed.

230508 14:05:58 [ERROR] mysqld got signal 6 ;

Server version: 10.4.29-MariaDB-debug-log source revision: 84b9fc25a29b94a37eb9d5ac2e2c0f75c0efafda

sql/signal_handler.cc:238(handle_fatal_signal)[0x5642e2b7ba9b]

sql/ha_partition.cc:8417(ha_partition::info(unsigned int))[0x5642e33c0461]

sql/ha_partition.cc:10637(ha_partition::update_next_auto_inc_val())[0x5642e33d005f]

sql/ha_partition.cc:4561(ha_partition::update_row(unsigned char const*, unsigned char const*))[0x5642e339e3f4]

sql/handler.cc:6891(handler::ha_update_row(unsigned char const*, unsigned char const*))[0x5642e2bb65ff]

sql/sql_update.cc:1082(mysql_update(THD*, TABLE_LIST*, List<Item>&, List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned long long*, unsigned long long*))[0x5642e269f390]

sql/sql_parse.cc:4439(mysql_execute_command(THD*))[0x5642e23c7d59]

sql/sql_parse.cc:7998(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x5642e23e0d6d]

sql/sql_parse.cc:1860(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x5642e23b73ac]

sql/sql_parse.cc:1378(do_command(THD*))[0x5642e23b3ee1]

sql/sql_connect.cc:1420(do_handle_one_connection(CONNECT*))[0x5642e27c0439]

sql/sql_connect.cc:1325(handle_one_connection)[0x5642e27bfcdd]

perfschema/pfs.cc:1871(pfs_spawn_thread)[0x5642e346373c]

nptl/pthread_create.c:478(start_thread)[0x7f1cf4df3609]

/lib/x86_64-linux-gnu/libc.so.6(clone+0x43)[0x7f1cf49c4133]

Query (0x62b0000b6290): UPDATE  t1 PARTITION (p2) SET a = 2 WHERE a = 6