| From: | "Vadim B(dot) Mikheev" <vadim(at)sable(dot)krasnoyarsk(dot)su> |
|---|---|
| To: | Peter T Mount <psqlhack(at)maidast(dot)demon(dot)co(dot)uk> |
| Cc: | Constantin Teodorescu <teo(at)flex(dot)ro>, pgsql-hackers(at)postgreSQL(dot)org, mviorel(at)flex(dot)ro |
| Subject: | Re: [HACKERS] I want to change libpq and libpgtcl for better handling of large query results |
| Date: | 1998-01-06 18:51:15 |
| Message-ID: | 34B27D23.6B2C765A@sable.krasnoyarsk.su |
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| Thread: | |
| Lists: | pgsql-hackers |
Sorry, just to clear things:
> We were talking about some changes to the protocol. Perhaps, we could do
> something like changing it so it sends the result in blocks of tuples,
> rather than everything in one block. Then, in between each packet, an ACK
^^^^^^^^^^^^^^^^^^^^^^^
Backend sends tuples one by one - just after executor gets next tuple
from upper plan, backend sends this tuple to client-side.
> or CAN style packet could be sent to the backend, either asking for the
> next, or canceling the results.
Vadim
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