mysqld: gcalc_tools.cc:786: int Gcalc_operation_reducer::count_slice(Gcalc_scan_iterator*): Assertion `m_poly_borders->next' failed.

1. 2011-09-14T11:43:03 #8 0x006b0d98 in __assert_fail () from /lib/libc.so.6
2. 2011-09-14T11:43:03 #9 0x0836833d in Gcalc_operation_reducer::count_slice (this=0xa75ab548, si=0x95735924) at gcalc_tools.cc:786
3. 2011-09-14T11:43:03 #10 0x08368e4e in Gcalc_operation_reducer::count_all (this=0xa75ab548, hp=0xa75ab3f4) at gcalc_tools.cc:1076
4. 2011-09-14T11:43:03 #11 0x0825d817 in Item_func_buffer::val_str (this=0xa75ab370, str_value=0x95735acc) at item_geofunc.cc:1483
5. 2011-09-14T11:43:03 #12 0x08259b55 in Item_func_envelope::val_str (this=0xa75ab6c0, str=0x95735b1c) at item_geofunc.cc:196
6. 2011-09-14T11:43:03 #13 0x08259e95 in Item_func_spatial_decomp::val_str (this=0xa75ab860, str=0xa7582dac) at item_geofunc.cc:254
7. 2011-09-14T11:43:03 #14 0x0825e22d in Item_func_numpoints::val_int (this=0xa7582d28) at item_geofunc.cc:1653
8. 2011-09-14T11:43:03 #15 0x0825a0bc in Item_func_spatial_decomp_n::val_str (this=0xa7582ed0, str=0x95735c0c) at item_geofunc.cc:302
9. 2011-09-14T11:43:03 #16 0x08259e95 in Item_func_spatial_decomp::val_str (this=0xa7583070, str=0x95735c60) at item_geofunc.cc:254
10. 2011-09-14T11:43:03 #17 0x08259793 in Item_func_as_wkt::val_str (this=0xa7583210, str=0x95736060) at item_geofunc.cc:123
11. 2011-09-14T11:43:03 #18 0x081dbb81 in Item::send (this=0xa7583210, protocol=0xb54d984, buffer=0x95736060) at item.cc:5905
12. 2011-09-14T11:43:03 #19 0x08289528 in select_send::send_data (this=0xa7583408, items=...) at sql_class.cc:1919
13. 2011-09-14T11:43:03 #20 0x08326378 in JOIN::exec (this=0x91516a60) at sql_select.cc:2069
14. 2011-09-14T11:43:03 #21 0x08328d94 in mysql_select (thd=0xb54d658, rref_pointer_array=0xb54f170, tables=0x0, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0,
15. 2011-09-14T11:43:03 having=0x0, proc_param=0x0, select_options=2147764736, result=0xa7583408, unit=0xb54ed74, select_lex=0xb54f050) at sql_select.cc:2885
16. 2011-09-14T11:43:03 #22 0x08320c5f in handle_select (thd=0xb54d658, lex=0xb54ed18, result=0xa7583408, setup_tables_done_option=0) at sql_select.cc:283
17. 2011-09-14T11:43:03 #23 0x082bc38f in execute_sqlcom_select (thd=0xb54d658, all_tables=0x0) at sql_parse.cc:5082
18. 2011-09-14T11:43:03 #24 0x082b3193 in mysql_execute_command (thd=0xb54d658) at sql_parse.cc:2227
19. 2011-09-14T11:43:03 #25 0x082be9cb in mysql_parse (thd=0xb54d658,
20. 2011-09-14T11:43:03 rawbuf=0xa75a9a18 "SELECT ASTEXT( STARTPOINT( INTERIORRINGN( POLYGONFROMTEXT(' POLYGON( (3 5, 2 4, 2 5, 3 5) ) ') , NUMPOINTS( EXTERIORRING( ENVELOPE( ST_BUFFER( ST_UNION( MULTILINESTRINGFROMTEXT(' MULTILINESTRING( ( 9 9 , 6 5 , 8 2 , 0 0 ) , ( 7 8 , 2 7 , 5 3 , 3 9 ) , ( 9 4 , 5 8 , 3 9 , 6 1 ) ) ') , LINESTRINGFROMTEXT(' LINESTRING( 5 0 , 8 7 , 0 9 , 3 9 , 0 8 , 7 4 ) ') ) , NUMGEOMETRIES( GEOMETRYCOLLECTIONFROMTEXT(' GEOMETRYCOLLECTION( LINESTRING( 2 5 , 0 1 , 8 5 , 2 5 , 0 7 ) , POINT( 4 5 ) ) ') ) ) ) ) ) ) ) )", length=512, found_semicolon=0x95737228) at sql_parse.cc:6083
21. 2011-09-14T11:43:03 #26 0x082b0e2f in dispatch_command (command=COM_QUERY, thd=0xb54d658, packet=0xb567ba1 "", packet_length=512) at sql_parse.cc:1206
22. 2011-09-14T11:43:03 #27 0x082b02b5 in do_command (thd=0xb54d658) at sql_parse.cc:904
23. 2011-09-14T11:43:03 #28 0x082ad330 in handle_one_connection (arg=0xb54d658) at sql_connect.cc:1177
24. 2011-09-14T11:43:03 #29 0x00821919 in start_thread () from /lib/libpthread.so.0
25. 2011-09-14T11:43:03 #30 0x0076acce in clone () from /lib/libc.so.6
26. 2011-09-14T11:43:03 #5 0x00feb424 in __kernel_vsyscall ()

bzr version-info /home/philips/bzr/maria-5.3-gis/
revision-id: <email address hidden>
date: 2011-09-13 18:26:16 +0500
build-date: 2011-09-14 11:44:45 +0300
revno: 3001
branch-nick: maria-5.3-gis

unsimplified query:

SELECT ASTEXT( STARTPOINT( INTERIORRINGN( POLYGONFROMTEXT(' POLYGON( (3 5, 2 4, 2 5, 3 5) ) ') , NUMPOINTS( EXTERIORRING( ENVELOPE( ST_BUFFER( ST_UNION( MULTILINESTRINGFROMTEXT(' MULTILINESTRING( ( 9 9 , 6 5 , 8 2 , 0 0 ) , ( 7 8 , 2 7 , 5 3 , 3 9 ) , ( 9 4 , 5 8 , 3 9 , 6 1 ) ) ') , LINESTRINGFROMTEXT(' LINESTRING( 5 0 , 8 7 , 0 9 , 3 9 , 0 8 , 7 4 ) ') ) , NUMGEOMETRIES( GEOMETRYCOLLECTIONFROMTEXT(' GEOMETRYCOLLECTION( LINESTRING( 2 5 , 0 1 , 8 5 , 2 5 , 0 7 ) , POINT( 4 5 ) ) ') ) ) ) ) ) ) ) );