Question : Question: Which column of fortune500 (a table) has the most missing values? To find out, I have checked […]
Tag: plpgsql
How to write validation trigger which works with all isolation levels
Question : Background I need to write validation trigger for a table. Due to nature of validation I can not […]
Postgresql: How to pass an array to trigger function in TG_ARGV?
Question : I’ve got some fairly generic Postgres trigger functions that I’d like to re-use across a few different tables. […]
Postgresql function to create table
Question : I want to create a function in order to create a table with a specific structure pasing part […]
How to correctly return a query result only if it isn’t NULL?
Question : I’m writing a PL/pgSQL function that creates a cursor for a query that I need to check whether […]
ERROR: ROWS must be positive
Question : Why the error when I run the below in pgAdmin 4 query editor? I copied the create statement […]
Does a COMMIT work within an anonymous plgpsql function in PostgreSQL 9.5?
Question : I am importing a large number of large files into a number of tables to be partitioned using […]
Postgres function return table with extra column
Question : Newbie to Postgres here.. I have a Postgres / plpgsql function that will return a table. I want […]
PostgreSQL use NEW in query for INSTEAD OF trigger
Question : I’m having trouble getting an INSTEAD OF trigger to work correctly, and I think I’ve misunderstood how to […]
UPSERT statement never completes, infinite loop?
Question : Based on some of the stackoverflow answers I wrote the following UPSERT statement, which I think must be […]