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postgresqldatetimestamp
daydreamer
daydreamer

Reputation: 91959

getting date from timestamp in PostgreSQL

I have a PostgreSQL timestamp as

2009-12-22 11:01:46

I need to change this to date as

2009-12-22

So that I can compare the dates in postgreSQL

How can I achieve this transformation?

Upvotes: 28

Views: 64749

Answers (3)

Farhan
Farhan

Reputation: 1505

SELECT [timestamp column] ::date;

Along in select query you can search on the basis of date

WHERE [timestamp column] :: date = '2022-05-30'

Upvotes: 0

DNS
DNS

Reputation: 38189

You can either use one of the Postgres date functions, such as date_trunc, or you could just cast it, like this:

SELECT timestamp '2009-12-22 11:01:46'::date

>>> 2009-12-22

Upvotes: 12

plundra
plundra

Reputation: 19222

Cast it to date.

SELECT yourtimestamp::date;

If you need to extract other kinds of stuff, you might want to use EXTRACT or date_trunc

Both links are to the same page, were you'll find more date/time-related functions.

Upvotes: 65

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