| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Jan Wieck <wieck(at)debis(dot)com>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] Parallel regress tests (was Re: FOREIGN KEY andshift/reduce) |
| Date: | 1999-12-08 16:02:32 |
| Message-ID: | 27022.944668952@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu> writes:
>> Kind of like a simple semaphore. Isn't that what you are getting at?
> LISTEN/NOTIFY might be useful for this...
LISTEN/NOTIFY would be one of the things we were trying to *test*.
It's not helpful for checking intra-transaction-block behavior anyway,
since notifys are only sent at commit and only heard between
transactions.
I like the tcl/expect idea a lot. We'd have to upgrade our tcl
interface to support asynchronous queries (ie, send query then do other
stuff until answer arrives); AFAIR it can't handle that now. But that'd
be well worth doing anyway...
regards, tom lane
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