Hi all,
How to fetch certain number of tuples from a postgres table.
Same I am doing in oracle using following lines by setting prefetch attribute.
For oracle
// Prepare query
if( OCIStmtPrepare( myOciStatement, myOciError, (text *)aSqlStatement,
// Get statement type
OCIAttrGet(
thank you very much justin, i am seeing install the product you recommended
me!
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thank you very much jeff I'll see with the team that manages the operating
system to see if they can help me with this data that you have given me
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On Thu, Oct 17, 2019 at 03:15:21PM -0600, Michael Lewis wrote:
https://explain.depesz.com/s/Caa5
I am looking at this explain analyze output and seeing a nested loop
towards the lowest levels with pretty bad estimate vs actual (2.3k vs 99k),
but the things that feed that nested loop seem like
On Mon, Oct 14, 2019 at 1:25 PM dangal wrote:
> Do you think it should increase bgwriter_lru_maxpages due to the value of
> maxwritten_clean?
>
I find the background writer to be pretty unimportant these days. If the
kernel is freely accepting writes without blocking, the backends can
probably
https://explain.depesz.com/s/Caa5
I am looking at this explain analyze output and seeing a nested loop
towards the lowest levels with pretty bad estimate vs actual (2.3k vs 99k),
but the things that feed that nested loop seem like the estimates are
rather close (index scans with 11 estimated vs
David Conlin writes:
> Does anyone know if there's been a change in the way values for CTEs are
> displayed in query plans?
Offhand I don't recall any such changes, nor does a cursory look
through explain.c find anything promising.
If you're concerned with a multiply-referenced CTE, one
