2
votes
1answer
191 views

Return ResultSet with column names from postgresql Stored procedures

I have the following postgresql Function: CREATE OR REPLACE FUNCTION readMessage(messageFor INT, qid INT = NULL, ctxt INT = NULL, messageFrom INT = NULL, byTimeStamp BOOLEAN = FALSE) RETURNS SETOF ...
-2
votes
1answer
350 views

Use select query in stored procedure

I have some questions about stored procedures. Using select query inside the stored procedure is efficent or using select query in front end. Which is take less time and give the result is fast or if ...
1
vote
1answer
432 views

Concatenation of setof type or setof record

I use Postgresql 9.1 with Ubuntu 12.04. In a plpgsql function I try to concatenate setof type returned from another function. the type pair_id_value in question is created with create type ...
1
vote
1answer
645 views

Correct use of VOLATILE COST (and ROWS) indications in Postgresql stored procedure

While looking at several examples of pl/python and pl/pgsql, I have seen many - but not all - using volatile cost. ie: CREATE OR REPLACE FUNCTION my_function() RETURNS setof record AS $BODY$ -- ...
0
votes
1answer
450 views

Cannot `create function` in plpython3u, permission denied

As postgres user, I have create extension plpython3u; in my database then I have set the plpython3u to trusted: select lanpltrusted from pg_language where lanname like 'plpython3u'; returns true but ...
0
votes
1answer
257 views

Cannot use python3 as stored procedure language in posgresql database

I want to have python3 in my postgresql database for writing stored procedures. Being in the psql client, when I enter the command create extension plpython3u I get the error: couldn't open ...
7
votes
3answers
682 views

Store a formula in a table and use the formula in a function

I have a PostgreSQL 9.1 database where part of it handles agent commissions. Each agent has his/her own formula of calculation how much commission they get. I have a function to generate the amount of ...
0
votes
2answers
124 views

looping through a table type variable

I have a function that has one parameter of a table type, i want to loop through all the fields and return the column that has a null or empty value. CREATE OR REPLACE FUNCTION ...
2
votes
2answers
307 views

How do I save functions to individual files in PostgreSQL?

I maintain a legacy application that uses a PostgreSQL database. The application is heavily dependent on stored procedures (aka functions). I want to save these functions to files named after the ...