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Are there any system tables auto update in postgresql when postgresql server startup?
by Mahesh in Databases

I want to use Postgresql 9.2.2 to store my applications' data. I had to
build a trigger wich should based on Database level( When the database startup , this trigger will fired and executed.), Are there any tables auto update when postgresql server startup, in this way i could create a trigger on this table when server startup!
Thanks a lot and best regards!


Postgresql full text search in postgresql - japanese, chinese, arabic
by Keeper in Coding

I'm designing a fulltext search function in postgresql for my current project.
It works ok with ispell/myspell dictionaries so far.
Now I need to add support for chinese, japanese and arabic search.
Where do I start?
There are no templates or dictionaries available for those languages
as far as I can see.
Will it work with pg_catalog.simple configuration?


Clojure/JDBC/Postgresql: I am trying to update a timestamp value in postgresql from a string, getting an error
by Jimzz in Databases

Using the clojure jdbc library with postgresql. I have a table "xxx" with a timestamp column "created_at" in postgresql, and I have a string containing a date in the right format. Doing an insert fails:


(require '[clojure.java.jdbc :as sql])
(sql/with-connection *db*
(sql/insert-record :xxx {:created_at "Thu Feb 09 10:38:01 +0000 2012"}))

Here i


Importing old tables from removed postgresql to the newly inistalled postgresql
by Jimmy G. in Coding

I had a problem with my postgresql and I copy all the files and then removed it.
Then , i install the fresh one and the problem is solved.
Now is is possible to import the old files and tebles to the new one?


PostgreSQL's rules and nextval()/serial problem (very PostgreSQL-specific)
by taekeun in Databases

When I use a rewrite rule that splits an insert into one table into inserts to two other tables where one of the inserted values has as default nextval('some_sequence') with the same sequence for both tables, then the inserted default values are different in the two tables. This is probably due to simple text replacement by the rewrite rule. I had hoped instead that the default value would be f


Rails: How to connect to an old PostgreSQL (Your version of PostgreSQL (70417) is too old, please upgrade!)
by Walruz in Programming Languages

Trying to setup a connection to a remote PostgreSQL, I get the error:


RuntimeError: Your version of PostgreSQL (70417) is too old, please upgrade!
from /Users/panayi/.rbenv/versions/1.9.3-p362/lib/ruby/gems/1.9.1/gems
/activerecord-3.2.11/lib/active_record/connection_adapters
/postgresql_adapter.rb:331:in `initialize'


I don't have access to the Pos


postgresql doesn't starts after editing the postgresql.conf
by dantino in Databases

I tried to enlarge the value of the "shared_buffers" settings to be larger then a default 24Mb, and the server doesn't starts with other values (I tried some) except of the default one. Just an empty logfile is created.
It's a clean installation of the postgresql on the linux server, so all other settings are default.
Does anybody know what could be the reason.


PostgreSQL vs. PostgreSQL Plus Advanced Server Client Connectors
by sgmichelsen in Databases

While comparing the PostgresSQL and PostgreSQL Plus Advanced Server future matrix, I noticed that there is a difference at the client connector section. The community edition of PostgreSQL supports only libpq and ECPG. The PostgreSQL Plus Advanced Server supports: libpq, ECPG, pgJDBC, psqlODBC, Npgsql(.NET), OCL(OCI). What does it mean for me if I want to use the JDBC client library to connect


Postgresql-simple and values of PostgreSQL-specific types
by vxnick in Programming Languages

I would like to work with some the database-specific datatypes like money, point, inet, etc. It is possible to insert them as strings. However, I could not find an example of how to fetch them since they are not in the list passed to FromField.mkCompats function.


When I try to fetch such a value, there is an exception


*** Exception: Incompatible {errSQLType = "money",

PostgreSQL Locally and Heroku PostgreSQL Versions
by Switzerland in Programming Languages

I am about to develop an app and I am going to deploy it using Heroku. Having experienced issues with my last app doing sqlite3 in development & test environments and postgres in production, I just want to run a postgres database in all my environments. As such, I went about installing postgres.


However, I came across this Heroku page (https://devcenter.heroku.com/articles/loc


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