I want to turn on logging of all SQL statements that modify the database. I could get that on my own machine by setting the log_statement flag in the configuration file, but it needs to be enabled on the user's machine. How do you enable it from program code? (I'm using Python with psycopg2 if it matters.) ...
I believe it's because I installed python using SciPy, so apparently it's not in the registry where the psycopg2 installer is looking. Anyway to fix this without installing python26 over the existing install? I'm not sure if that will corrupt it. EDIT: My PYTHONPATH looks like the following: 'C:\\Python26\\scripts', 'C:\\Python26\\lib\...
Hello, I have a database in PostgreSQL and I'm developing an application in PHP using this database. The problem is that when I execute the following query I get a nice result in phpPgAdmin but in my PHP application I get an error. The query: SELECT t.t_name, t.t_firstname FROM teachers AS t WHERE t.id_teacher IN ( SE...
I just wanted to know what's the equivalent query in PostgreSQL to MySQL's SET SESSION query_cache_type = ON SET SESSION query_cache_type = OFF ...
I'm trying to create a cronjob to back up my database every night before something catastrophic happens. It looks like this command should meet my needs: 0 3 * * * pg_dump dbname | gzip > ~/backup/db/$(date +%Y-%m-%d).psql.gz Except after running that, it expects me to type in a password. I can't do that if I run it from cron. How can...
First of all, the framework of choice needs to have excellent support for PostgreSQL. I don't care about MySQL because it doesn't have half of the features the application I will be porting requires. (And when I say excellent support, I mean that their approach to database drivers has not been solely trained in MySQL). The ideal framew...
Hi all, Ich have a problem in postgres function: CREATE OR REPLACE FUNCTION getVar(id bigint) RETURNS TABLE (repoid bigint, suf VARCHAR, nam VARCHAR) AS $$ declare rec record; BEGIN FOR rec IN (WITH RECURSIVE children(repoobjectid,variant_of_object_fk, suffix, variantname) AS ...
I have a View that has several fields. When i INSERT INTO a view I run a function based on INSERT parametrs. The function returns a value. How can I retrieve The value from rule? INSERT RETURNING Gives me: ERROR: cannot perform INSERT RETURNING on relation "full_subntes" HINT: You need an unconditional ON INSERT DO INSTEAD rule wi...
In PostgreSQL 8.4.3, I get this error when logging on to one of my databases (adus): WARNING: invalid value for parameter "default_text_search_config": "tsc_markets" which makes sense since executing the command \dF does not list any such configuration (and only lists the defaults). However, when I ask psql to show me the current va...
i have a simple update query (foo column type is BOOLEAN (default false)): update tablename set foo = true where id = 234; which "id" is set to (primary) key, and if i run "explain analyze" i got: Index Cond: (id = 234) Total runtime: 0.358 ms but still, i have plenty of unexplained queries at slow log (pgfouine), which took more t...
what would I put in the named scope :by_unique_users so that I can do Comment.recent.by_unique_users.limit(3), and only get one comment per user? class User has_many :comments end class Comment belongs_to :user named_scope :recent, :order => 'comments.created_at DESC' named_scope :limit, lambda { |limit| {:limit => limit}} na...
I am doing a select * on a postgresql table, and everything looks good. But if I do: SELECT Name from People It says: ERROR: column People.Name does not exist SQL state: 42703 Character: 8 But the name column shows up during select *. I've tried: SELECT People.Name from People as well, with the same result. Am I missing somethi...
I have a rating table. It boils down to: rating_value created +2 april 3rd -5 april 20th So, every time someone gets rated, I track that rating event in the database. I want to generate a rating history/time graph where the rating is the sum of all ratings up to that point in time on a graph. I.E. A person's r...
Assume I have a budget of $10 (any integer) and I want to distribute it over records which have rank field with varying needs. Example: rank Req. Fulfilled? 1 $3 Y 2 $4 Y 3 $2 Y 4 $3 N Those ranks from 1 to 3 should be fulfilled because they are within b...
Hi, Iam new to postgres,i wrote a trigger which is not working kindly look into it and suggest what went wrong. In this trigger my intention was to update the order column if the new record was inserted in between the order already existed. CREATE OR REPLACE FUNCTION client_template.check_attribute_order() RETURNS trigger AS $BODY$ DE...
A query (see below) that extracts climate data from weather stations within a given radius of a city using the dates for which those weather stations actually have data. The query uses the table's only index, rather effectively: CREATE UNIQUE INDEX measurement_001_stc_idx ON climate.measurement_001 USING btree (station_id, taken, ...
HI I have a table which holds files and their types such as CREATE TABLE files ( id SERIAL PRIMARY KEY, name VARCHAR(255), filetype VARCHAR(255), ... ); and another table for holding file properties such as CREATE TABLE properties ( id SERIAL PRIMARY KEY, file_id INTEGER CONS...
I am using character varying data type in PostgreSQL. I was not able to find this information in PostgreSQL manual. What is max limit of characters in character varying data type? ...
Hi all, if you wanted to manipulate the data in a table in a postgresql database using some python (maybe running a little analysis on the result set using scipy) and then wanted to export that data back into another table in the same database, how would you go about the implementation? Is the only/best way to do this to simply run the...
I'm new to PostgreSQL (I have been using MS SQL for many years) and need to convert a numeric column which contains a time in seconds to HH:MM:SS format. I have Googled and found that to_char(interval '1000s', 'HH24:MI:SS') works so I am attempting to use this with my field name: to_char(fieldname, 'HH24:MI:SS') gives an error cannot u...