Assertion `!cur_p->event' failed in Gcalc_scan_iterator::arrange_event(int, int)

[Elena Stepanova]

SELECT ST_BUFFER( POLYGONFROMTEXT( 'POLYGON( (
  0.0 -3.0,
  -2.910427500435995 0.727606875108998,
  -0.910427500435995 8.727606875108998,
  7.664100588675687 1.503849116986468,
  1.664100588675687 -2.496150883013531,
  0.0 -3.0
))' ), 3 );

#6 0x00007f883bd73d4d in __GI___assert_fail (assertion=0xdf9c1d "!cur_p->event", file=<optimized out>, line=1219, function=<optimized out>) at assert.c:81
#7 0x000000000079916b in Gcalc_scan_iterator::arrange_event (this=0x7f8833075ea0, do_sorting=1, n_intersections=1) at gcalc_slicescan.cc:1219
#8 0x000000000079988d in Gcalc_scan_iterator::step (this=0x7f8833075ea0) at gcalc_slicescan.cc:1366
#9 0x000000000079f87c in Gcalc_operation_reducer::count_all (this=0x2b54af8, hp=0x2b549e0) at gcalc_tools.cc:1216
#10 0x000000000066b480 in Item_func_buffer::val_str (this=0x2b54920, str_value=0x7f88330761d0) at item_geofunc.cc:1300
#11 0x00000000005d2606 in Item::send (this=0x2b54920, protocol=0x2acdd68, buffer=0x7f88330761d0) at item.cc:5949
#12 0x000000000069f0a2 in select_send::send_data (this=0x2b54d50, items=...) at sql_class.cc:1996
#13 0x000000000074fd85 in JOIN::exec (this=0x2b54d70) at sql_select.cc:2127
#14 0x0000000000752dcb in mysql_select (thd=0x2acd968, rref_pointer_array=0x2ad05a8, tables=0x0, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147764736, result=0x2b54d50, unit=0x2acfe50, select_lex=0x2ad0358) at sql_select.cc:2952
#15 0x000000000074991d in handle_select (thd=0x2acd968, lex=0x2acfdb0, result=0x2b54d50, setup_tables_done_option=0) at sql_select.cc:285
#16 0x00000000006d6731 in execute_sqlcom_select (thd=0x2acd968, all_tables=0x0) at sql_parse.cc:5151
#17 0x00000000006cd4f9 in mysql_execute_command (thd=0x2acd968) at sql_parse.cc:2284
#18 0x00000000006d9199 in mysql_parse (thd=0x2acd968, rawbuf=0x2b540b0 "SELECT ST_BUFFER(POLYGONFROMTEXT('POLYGON ((\n0.0 -3.0\n, -2.910427500435995 0.727606875108998\n, -0.910427500435995 8.727606875108998\n, 7.664100588675687 1.503849116986468\n, 1.664100588675687 -2.4961508"..., length=227, found_semicolon=0x7f88330777e8) at sql_parse.cc:6152
#19 0x00000000006cac69 in dispatch_command (command=COM_QUERY, thd=0x2acd968, packet=0x2b4ac49 "", packet_length=227) at sql_parse.cc:1228
#20 0x00000000006c9f50 in do_command (thd=0x2acd968) at sql_parse.cc:923
#21 0x00000000006c6de8 in handle_one_connection (arg=0x2acd968) at sql_connect.cc:1218
#22 0x00007f883c880efc in start_thread (arg=0x7f8833078700) at pthread_create.c:304
#23 0x00007f883be2859d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

bzr version-info
revision-id: <email address hidden>
date: 2012-04-19 09:16:30 +0300
build-date: 2012-04-22 23:18:58 +0400
revno: 3505

Also reproducible on MariaDB 5.5 revno 3377.
No assertion on MySQL trunk revno 3890.

[Elena Stepanova (elenst)]

Also filed in JIRA as MDEV-230

[Elena Stepanova (elenst)]

Fix released in 5.3.7 and 5.5.24