[GENERAL] Unexpected planner behavior with *_pattern_ops index matching

2014-10-30 Thread Fabio Ugo Venchiarutti
Greetings. I'm in the process of indexing a virtual file system (on 9.2.9, build info below) and I ran into what I perceive as an inconsistency in the way index viability is assessed by the planner. Perhaps I'm misinterpreting the docs, but it seems like stable functions don't behave as

Re: [GENERAL] Appending new data to existing field of Json data type

2014-10-30 Thread VENKTESH GUTTEDAR
@Adrian Klaver, Thanks for this idea but still m really confused with how to update the json filed in the DB. is there any way to update the json field in the DB through view.? On Wed, Oct 29, 2014 at 7:37 PM, Adrian Klaver adrian.kla...@aklaver.com wrote: On 10/29/2014 01:06 AM, VENKTESH

Re: [GENERAL] DBlink, postgres to DB2

2014-10-30 Thread Postgres India
Hi , While i try to install psqlDDBC, i get this error , i have SUSE Linux Enterprise Server 11 , trying to find a solution still have no idea. ./configure checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe

Re: [GENERAL] DBlink, postgres to DB2

2014-10-30 Thread Pavel Stehule
2014-10-30 8:47 GMT+01:00 Postgres India pgbugin...@gmail.com: Hi , While i try to install psqlDDBC, i get this error , i have SUSE Linux Enterprise Server 11 , trying to find a solution still have no idea. ./configure checking for a BSD-compatible install... /usr/bin/install -c checking

[GENERAL] PostgreSQL on tablet grade SSD ?

2014-10-30 Thread Karsten Hilbert
Hi ! Can anyone share any experiences with running PostgreSQL on a tablet ? (Surface Pro 3, ASUS Transformer) (or point to things I should read, searching the web didn't turn up anything that seemed relevant to *tablets*) Thanks, Karsten -- GPG key ID E4071346 @ eu.pool.sks-keyservers.net

Re: [GENERAL] Unexpected planner behavior with *_pattern_ops index matching

2014-10-30 Thread Tom Lane
Fabio Ugo Venchiarutti fa...@vuole.me writes: As you can see, CONCAT()'s output isn't deemed suitable for an index scan. The same happens for all type-compatible STABLE functions i tried. Conversion of the pattern to an index qualification requires that the pattern be a plan-time constant.

Re: [GENERAL] Appending new data to existing field of Json data type

2014-10-30 Thread Adrian Klaver
On 10/29/2014 11:26 PM, VENKTESH GUTTEDAR wrote: @Adrian Klaver, Thanks for this idea but still m really confused with how to update the json filed in the DB. is there any way to update the json field in the DB through view.? Sure, how you would normally update a value. Assuming id is unique:

Re: [GENERAL] Appending new data to existing field of Json data type

2014-10-30 Thread Adrian Klaver
On 10/29/2014 11:26 PM, VENKTESH GUTTEDAR wrote: @Adrian Klaver, Thanks for this idea but still m really confused with how to update the json filed in the DB. is there any way to update the json field in the DB through view.? Realized I should have shown at least one concrete example so,

Re: [GENERAL] syntax error while using pg_dump in Postgres 8.4

2014-10-30 Thread David G Johnston
CrabbeS wrote I am trying to copy a table form one database to another by using this command in the SQL-query builder: pg_dump TA2000 -t from Forest -c -s | psql -h localhost postgis; pg_dump is a standalone application (i.e., something you run in a shell/command-line) and not an SQL command.

Re: [GENERAL] Appending new data to existing field of Json data type

2014-10-30 Thread VENKTESH GUTTEDAR
Thanks Adrian Klaver, Its really helped me to solve my problem, ya i have example_list = jsonfield.JSONField() in models. Apologies i did not mention that. but anyways thank again. On Thu, Oct 30, 2014 at 8:09 PM, Adrian Klaver adrian.kla...@aklaver.com wrote: On 10/29/2014 11:26 PM, VENKTESH

Re: [GENERAL] syntax error while using pg_dump in Postgres 8.4

2014-10-30 Thread David G Johnston
The psql console still operates mainly at the SQL level of input. You need to use your OS's shell to run pg_dump. Both psql and pg_dump are the same kind of application and are run in a similar fashion. David J. On Thu, Oct 30, 2014 at 11:13 AM, CrabbeS [via PostgreSQL]

[GENERAL] Estimating WAL usage during pg_basebackup

2014-10-30 Thread Mike Blackwell
I need to get an idea of how much WAL space will be required during a long (many hours) pg_basebackup over a relatively slow network connection. This is for a server that's not yet running PITR / streaming. Any thoughts? * mike.blackw...@rrd.com*

[GENERAL] Planet Postgres

2014-10-30 Thread Torsten Förtsch
Hi, I don't know if this is the right mailing list for my question but I have already emailed pla...@postgresql.org without any response. What is the correct way to get a blog listed on planet postgres? The documented way does not work. I registered my blog on Monday. It still is in Not

Re: [GENERAL] Planet Postgres

2014-10-30 Thread Adrian Klaver
On 10/30/2014 12:02 PM, Torsten Förtsch wrote: Hi, I don't know if this is the right mailing list for my question but I have already emailed pla...@postgresql.org without any response. What is the correct way to get a blog listed on planet postgres? The documented way does not work. I

Re: [GENERAL] Planet Postgres

2014-10-30 Thread Stephen Frost
* Adrian Klaver (adrian.kla...@aklaver.com) wrote: On 10/30/2014 12:02 PM, Torsten Förtsch wrote: I don't know if this is the right mailing list for my question but I have already emailed pla...@postgresql.org without any response. That's the correct place to ask. -general is not. So, what

Re: [GENERAL] Unexpected planner behavior with *_pattern_ops index matching

2014-10-30 Thread Fabio Ugo Venchiarutti
Conversion of the pattern to an index qualification requires that the pattern be a plan-time constant. STABLE functions, by definition, are not that. Thank you very much I guess it is correct to assume that the same applies to regular expressions stored in pl/pgsql variables/arguments

Re: [GENERAL] Unexpected planner behavior with *_pattern_ops index matching

2014-10-30 Thread Tom Lane
Fabio Ugo Venchiarutti fa...@vuole.me writes: Conversion of the pattern to an index qualification requires that the pattern be a plan-time constant. STABLE functions, by definition, are not that. I guess it is correct to assume that the same applies to regular expressions stored in

Re: [GENERAL] DBlink, postgres to DB2

2014-10-30 Thread Devrim Gündüz
Hi, On Thu, 2014-10-30 at 00:47 -0700, Postgres India wrote: configure: error: odbc_config not found (required for unixODBC build) I think you need to install unixODBC-devel rpm via yast. Regards, -- Devrim GÜNDÜZ Principal Systems Engineer @ EnterpriseDB: http://www.enterprisedb.com

Re: [GENERAL] DBlink, postgres to DB2

2014-10-30 Thread Craig Ringer
On 10/22/2014 06:45 PM, Postgres India wrote: Hi, I am trying to connect DB2 from postgres using dblink, is there any configuration required at DB2 and postgres server. You'll need dbi-link (which uses Perl's DBI drivers) or a foreign data wrapper. dblink is for connections between

Re: [GENERAL] Estimating WAL usage during pg_basebackup

2014-10-30 Thread Soni M
This is hard to tell, but You can get some estimation. 1. You can have WAL rate estimation from pg_xlog/ dir, i.e. How many WAL generated per minutes 2. How long this pg_basebackup will last. Lets say for 3 hours. Then You can multiple values in #1 and #2 to get rough estimation. Hope this would