MDEV-15621: Assertion `0' failed upon INSERT

--source include/have_partition.inc

--source include/have_innodb.inc

SET timestamp=UNIX_TIMESTAMP('2026-05-02 00:00:00');

CREATE TABLE t1 (c DATETIME) ENGINE=InnoDB PARTITION BY RANGE COLUMNS (c) INTERVAL 999999999 DAY (PARTITION p0 VALUES LESS THAN ('2026-04-20'));

INSERT INTO t1 VALUES ('2026-05-01');

DROP TABLE t1;  # Cleanup

mariadbd: /test/bb-main-mdev-15621_dbg/sql/protocol.cc:639: void Protocol::end_statement(): Assertion `0' failed.

Core was generated by `/test/MDEV-15621_MD290526-mariadb-13.1.0-linux-x86_64-dbg/bin/mariadbd --defaul'.

Program terminated with signal SIGABRT, Aborted.

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)at ./nptl/pthread_kill.c:44

[Current thread is 1 (LWP 257824)]

(gdb) bt

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)at ./nptl/pthread_kill.c:44

#1  __pthread_kill_internal (signo=6, threadid=<optimized out>)at ./nptl/pthread_kill.c:78

#2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6)at ./nptl/pthread_kill.c:89

#3  0x00007f54c124526e in __GI_raise (sig=sig@entry=6)at ../sysdeps/posix/raise.c:26

#4  0x00007f54c12288ff in __GI_abort () at ./stdlib/abort.c:79

#5  0x00007f54c122881b in __assert_fail_base (fmt=0x7f54c13d01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x5a3e80a3b8a5 "0", file=file@entry=0x5a3e808e2bba "/test/bb-main-mdev-15621_dbg/sql/protocol.cc", line=line@entry=639, function=function@entry=0x5a3e808e2dd7 "void Protocol::end_statement()")at ./assert/assert.c:94

#6  0x00007f54c123b507 in __assert_fail (assertion=0x5a3e80a3b8a5 "0", file=0x5a3e808e2bba "/test/bb-main-mdev-15621_dbg/sql/protocol.cc", line=639, function=0x5a3e808e2dd7 "void Protocol::end_statement()")at ./assert/assert.c:103

#7  0x00005a3e7f7cd281 in Protocol::end_statement (this=0x7753a8001440)at /test/bb-main-mdev-15621_dbg/sql/protocol.cc:639

#8  0x00005a3e7f91fb29 in dispatch_command (command=COM_QUERY, thd=0x7753a8000d60, packet=0x7753a81cc541 "INSERT INTO t1 VALUES ('2026-05-01')", packet_length=36, blocking=true)at /test/bb-main-mdev-15621_dbg/sql/sql_parse.cc:2453

#9  0x00005a3e7f92128a in do_command (thd=0x7753a8000d60, blocking=true)at /test/bb-main-mdev-15621_dbg/sql/sql_parse.cc:1437

#10 0x00005a3e7faf4f6e in do_handle_one_connection (connect=0x5a3e84461630, put_in_cache=true) at /test/bb-main-mdev-15621_dbg/sql/sql_connect.cc:1503

#11 0x00005a3e7faf4d51 in handle_one_connection (arg=0x5a3e843ffff0)at /test/bb-main-mdev-15621_dbg/sql/sql_connect.cc:1415

#12 0x00007f54c129ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447

#13 0x00007f54c1329c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78