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Article #2121Re: Are BCB6 ADO components threadsafe?
From: Simon Elliott
Date: Sat, 08 Nov 2003 09:17
Date: Sat, 08 Nov 2003 09:17
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Simon Elliott <simon@nospam.demon.co.uk> writes >I have an application with lots of threads, each doing data acquisition. >I want to put the data into an MS Access database using the BCB6 ADO >components. > >Are the ADO components threadsafe, or do I need to implement some kind >of resource locking? > >I expect I'd need a separate instance of TADOQuery or TADOTable >components for each thread. Could I have a single TADOConnection or >would I need a separate instance of this for each thread as well? OK, found the answer to this. I need a TADOConnection for each thread, plus a call to CoInitializeEx and CoUninitialize() at the beginning and end of the thread function. -- Simon Elliott http://www.ctsn.co.uk/
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10698b,20d39133b18e82b8 X-Google-Attributes: gid10698b,public X-Google-ArrivalTime: 2003-11-08 01:39:04 PST Message-ID: <Qf0ByDAGTLr$IwWH@courtlands.demon.co.uk> Date: Sat, 8 Nov 2003 09:17:58 +0000 From: Simon Elliott <simon@nospam.demon.co.uk> Reply-To: Simon Elliott <news@nospam.demon.co.uk> Newsgroups: borland.public.cppbuilder.database.ado Subject: Re: Are BCB6 ADO components threadsafe? References: <Q24R4AAwTCq$IwMv@courtlands.demon.co.uk> Lines: 24 Organization: Courtlands Technical Services MIME-Version: 1.0 X-Newsreader: Turnpike Integrated Version 4.02 U <aLIvuQCpEWZ0Tu7eytpxRhrSSE> NNTP-Posting-Host: 158.152.154.121 X-Trace: newsgroups.borland.com 1068283488 158.152.154.121 (8 Nov 2003 01:24:48 -0700) Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!courtlands.demon.co.uk!simon