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Results tagged with postgresql-performance
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user 83646
Performance issues with PostgreSQL queries
6
votes
3
answers
2k
views
Is there a performance penalty for unique key constraint violations in Postgres?
In my API, the user can potentially send a request which tries to create a new row when a row with that unique key exists.
Currently, I'm catching the unique key error and returning a message to say t …
- 285
5
votes
1
answer
850
views
Index not being used in SELECT query
I have a table of about 3.25M rows with the follow format in Postgres 9.4.1
CREATE TABLE stats
(
id serial NOT NULL,
type character varying(255) NOT NULL,
"references" jsonb NOT NULL,
…
- 285
6
votes
1
answer
6k
views
Improving sort performance in GROUP BY clause
I have two tables in Postgres 9.4.1 events and event_refs with the following schemas:
events table
CREATE TABLE events (
id serial NOT NULL PRIMARY KEY,
event_type text NOT NULL,
event_path js …
- 285