postgresql - Convert string to time

Question

I have column where I saved the transaction time, format is HHMMSS for example:

140159
013115
235900

then I want to convert those time to HH:MM AM/PM so results would be:

2:01 PM
1:31 AM
11:59 PM

Here are the queries ive tried, but none of them return the results I want..

SELECT TO_CHAR(TO_TIMESTAMP(TRANSTIME,'hh24:mi:ss AM'),'hh12:mi:ss AM')
FROM PRODUCTSALES order by TRANSTIME desc LIMIT 100


SELECT  TO_TIMESTAMP(TRANSTIME, 'HH24:MI')::TIME

Vao Tsun · Accepted Answer · 2017-05-05 09:59:46Z

8

time data type is just time - not a format. to get time with wanted format use to_char, eg fro your 140159:

t=# select to_char('140159'::time,'HH:MI AM');
 to_char
----------
 02:01 PM
(1 row)

Mind I first cast as time and only then format it

answered May 5, 2017 at 9:59

Vao Tsun

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