Re: [HACKERS] [DOCS] synchronize_seqscans' description is a bit misleading

2013-04-10 Thread Tom Lane
Gurjeet Singh writes: > On Wed, Apr 10, 2013 at 11:10 PM, Tom Lane wrote: >> The point you're missing is that the synchronization is self-enforcing: > Let's consider a pathological case where a scan is performed by a user > controlled cursor, whose scan speed depends on how fast the user presses

Re: [DOCS] synchronize_seqscans' description is a bit misleading

2013-04-10 Thread Gurjeet Singh
On Wed, Apr 10, 2013 at 11:10 PM, Tom Lane wrote: > Gurjeet Singh writes: > > If I'm reading the code right [1], this GUC does not actually > *synchronize* > > the scans, but instead just makes sure that a new scan starts from a > block > > that was reported by some other backend performing a sc

Re: [DOCS] synchronize_seqscans' description is a bit misleading

2013-04-10 Thread Tom Lane
Gurjeet Singh writes: > If I'm reading the code right [1], this GUC does not actually *synchronize* > the scans, but instead just makes sure that a new scan starts from a block > that was reported by some other backend performing a scan on the same > relation. Well, that's the only *direct* effec

[DOCS] synchronize_seqscans' description is a bit misleading

2013-04-10 Thread Gurjeet Singh
If I'm reading the code right [1], this GUC does not actually *synchronize* the scans, but instead just makes sure that a new scan starts from a block that was reported by some other backend performing a scan on the same relation. Since the backends scanning the relation may be processing the rela

[DOCS] [PATCH] Fix discrepancy in hstore_to_json_loose documentation

2013-04-10 Thread Marti Raudsepp
Hi list, I was checking out the new JSON features coming in 9.3, really cool stuff! I noticed a small discrepancy in the documentation, the "hstore_to_json_loose" example uses hstore_to_json() by accident. Patch attached. Regards, Marti 0001-Fix-discrepancy-in-hstore_to_json_loose-documentati

Re: [DOCS] DTrace home page down

2013-04-10 Thread Magnus Hagander
On Wed, Apr 10, 2013 at 5:48 AM, Scott Marlowe wrote: > > On Tue, Apr 9, 2013 at 9:30 PM, Peter Eisentraut wrote: >> >> Since OpenSolaris was yanked from the net, the DTrace link in our >> documentation points to approximately nowhere. I propose the attached >> patch with a link to Wikipedia ins