DAY
Returns as an integer the day of the month from the input value.
Returns as an integer the day of the month from the input value.
Behavior type
-
Immutable if the input value is a
TIMESTAMP
,DATE
,VARCHAR
, orINTEGER
-
Stable if the specified date is a
TIMESTAMPTZ
Syntax
DAY ( value )
Parameters
value
- The value to convert, one of the following:
TIMESTAMP
,TIMESTAMPTZ
,INTERVAL
,VARCHAR
, orINTEGER
.
Examples
=> SELECT DAY (6);
DAY
-----
6
(1 row)
=> SELECT DAY(TIMESTAMP 'sep 22, 2011 12:34');
DAY
-----
22
(1 row)
=> SELECT DAY('sep 22, 2011 12:34');
DAY
-----
22
(1 row)
=> SELECT DAY(INTERVAL '35 12:34');
DAY
-----
35
(1 row)