lenghty query on big master/detail running -->

date/time : 2011-12-27, 19:48:32, 933ms
computer name : PC-01
user name : Pc <admin>
registered owner : Pc
operating system : Windows 7 x64 Service Pack 1 build 7601
system language : Slovenian
system up time : 5 hours 35 minutes
program up time : 4 hours 2 minutes
processors : 8x Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz
physical memory : 5550/8099 MB (free/total)
free disk space : (C:) 30,65 GB
display mode : 1920x1080, 32 bit
process id : $1134
allocated memory : 53,64 MB
executable : heidisql.exe
exec. date/time : 2011-11-10 23:26
version : 6.0.0.3965
compiled with : Delphi XE
madExcept version : 3.0m beta 1
callstack crc : $abbfa0ce, $aeaf3bd1, $aeaf3bd1
exception number : 1
exception class : EAccessViolation
exception message : Access violation at address ABBFA0CE. Read of address ABBFA0CE.

thread $1b1c (TQueryThread):
abbfa0ce ???
1000bf88 libmysql.dll mysql_store_result
0072ba40 heidisql.exe dbconnection 1371 +32 TMySQLConnection.Query
0069db8d heidisql.exe helpers 2705 +40 TQueryThread.Execute
00407358 heidisql.exe System 548 +0 ThreadWrapper
00460491 heidisql.exe madExcept CallThreadProcSafe
004604fb heidisql.exe madExcept ThreadExceptFrame
761d3398 kernel32.dll BaseThreadInitThunk
>> created by main thread ($1748) at:
0069d8e2 heidisql.exe helpers 2640 +1 TQueryThread.Create

main thread ($1748):
00000000 heidisql.exe madStackTrace +0 StackAddrToStr
>> stack will be calculated soon