Re: SELECT Query returns empty
От
Klint Gore
Тема
Re: SELECT Query returns empty
Дата
Msg-id
487576CB.3070805@une.edu.au
Ответ на
Re: SELECT Query returns empty (Bright D.L.)
Список
Дерево обсуждения
SELECT Query returns empty "Bright D.L." <dl_bright@star-quest.com>
Re: SELECT Query returns empty "A. Kretschmer" <andreas.kretschmer@schollglas.com>
Re: SELECT Query returns empty "Bright D.L." <dl_bright@star-quest.com>
Re: SELECT Query returns empty Tom Lane <tgl@sss.pgh.pa.us>
Re: SELECT Query returns empty Thomas Markus <t.markus@proventis.net>
Re: SELECT Query returns empty "Bright D.L." <dl_bright@star-quest.com>
Re: SELECT Query returns empty Craig Ringer <craig@postnewspapers.com.au>
Re: SELECT Query returns empty "Bright D.L." <dl_bright@star-quest.com>
Re: SELECT Query returns empty Klint Gore <kgore4@une.edu.au>
Re: SELECT Query returns empty "Bright D.L." <dl_bright@star-quest.com>
Re: SELECT Query returns empty Klint Gore <kgore4@une.edu.au>
Bright D.L. wrote: > Processes P1 and P2 are executables developed in VC++. These are the > steps performed by P1 before sending the TCP packet (which acts as a > trigger) to P2. > > 1) Create an insertion query > 2) Execute the query > 3) Execute a 'Commit' command > 4) Repeat 2 and 3 how many ever times needed > 5) 'Select' part of the last 'insert'ed data to verify whether it is > accessible > 6) Repeat 6 till the data is available > 7) Send a TCP packet to P2 to start its 'Select' query > Is there any chance that P2 is still in transaction from its last query? Once step 6 completes, can psql see the data? Does "select * from pg_stat_activity" show anything unexpected? Are you directly using libpq or some other connection method? klint. -- Klint Gore Database Manager Sheep CRC A.G.B.U. University of New England Armidale NSW 2350 Ph: 02 6773 3789 Fax: 02 6773 3266 EMail: kgore4@une.edu.au
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