| Bug #113007 | Show parse tree assertion error | ||
|---|---|---|---|
| Submitted: | 8 Nov 2023 11:31 | Modified: | 15 Nov 2023 11:44 |
| Reporter: | Pedro Ferreira | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S6 (Debug Builds) |
| Version: | 8.2.0 | OS: | Ubuntu (22.04) |
| Assigned to: | CPU Architecture: | x86 (x86_64) | |
[15 Nov 2023 11:44]
MySQL Verification Team
Hello Pedro Ferreira, Thank you for the report and feedback. Verified as described. regards, Umesh
[15 Nov 2023 11:48]
MySQL Verification Team
- (gdb) bt #0 0x00007fb646173aa1 in pthread_kill () from /lib64/libpthread.so.0 #1 0x00000000057df9cf in my_write_core (sig=sig@entry=6) at /export/home/tmp/ushastry/src/mysql-8.2.0/mysys/stacktrace.cc:295 #2 0x00000000034c495f in handle_fatal_signal (sig=6) at /export/home/tmp/ushastry/src/mysql-8.2.0/sql/signal_handler.cc:230 #3 <signal handler called> #4 0x00007fb6446c0387 in raise () from /lib64/libc.so.6 #5 0x00007fb6446c1a78 in abort () from /lib64/libc.so.6 #6 0x00007fb6446b91a6 in __assert_fail_base () from /lib64/libc.so.6 #7 0x00007fb6446b9252 in __assert_fail () from /lib64/libc.so.6 #8 0x00000000030d5248 in parse_sql (thd=thd@entry=0x627000432900, parser_state=parser_state@entry=0x7fb60feb3ca0, creation_ctx=creation_ctx@entry=0x0) at /export/home/tmp/ushastry/src/mysql-8.2.0/sql/sql_parse.cc:7335 #9 0x00000000030e822b in dispatch_sql_command (thd=0x627000432900, parser_state=parser_state@entry=0x7fb60feb3ca0) at /export/home/tmp/ushastry/src/mysql-8.2.0/sql/sql_parse.cc:5376 #10 0x00000000030eb720 in dispatch_command (thd=thd@entry=0x627000432900, com_data=com_data@entry=0x7fb60feb51e0, command=COM_QUERY) at /export/home/tmp/ushastry/src/mysql-8.2.0/sql/sql_parse.cc:2136 #11 0x00000000030eef63 in do_command (thd=thd@entry=0x627000432900) at /export/home/tmp/ushastry/src/mysql-8.2.0/sql/sql_parse.cc:1465 #12 0x00000000034a27ec in handle_connection (arg=arg@entry=0x603000304150) at /export/home/tmp/ushastry/src/mysql-8.2.0/sql/conn_handler/connection_handler_per_thread.cc:303 #13 0x00000000066ff355 in pfs_spawn_thread (arg=0x6140001f6c60) at /export/home/tmp/ushastry/src/mysql-8.2.0/storage/perfschema/pfs.cc:3049 #14 0x00007fb64616eea5 in start_thread () from /lib64/libpthread.so.0 #15 0x00007fb644788b2d in clone () from /lib64/libc.so.6

Description: First, set the max allowed packet value: SET GLOBAL MAX_ALLOWED_PACKET = 8192; Then start another connection and do the following: SHOW PARSE_TREE WITH RECURSIVE x(x) AS ((SELECT 1, 1 FROM x) UNION (SELECT 1, 1 FROM t0)) SELECT 1 FROM t0 JOIN x GROUP BY x.x, t0.c0; An assertion error at sql/sql_parse.cc:7311 will trigger: assert(!mysql_parse_status || (mysql_parse_status && thd->is_error()) || (mysql_parse_status && thd->get_internal_handler())); The compilation parameters are the same as issue 108148: -DWITH_DEBUG=1 -DWITH_ASAN=ON -DWITH_UBSAN=ON and boost library version 1.77 This is the server configuration file: [mysqld] server_id=1 skip-log-bin character_set_server=utf8mb4 collation_server=utf8mb4_0900_bin slow_query_log=ON long_query_time=5 gtid_mode=ON enforce_gtid_consistency=ON log_bin=ON innodb_extend_and_initialize=ON secure-file-priv="" How to repeat: Run the statements above.