PostgreSQL ISFINITE() function

ISFINITE() function

The isfinite() function is used to get test for finite date (not +/-infinity).

Syntax:

isfinite(date)
or
isfinite(timestamp)
or
isfinite(interval)

Return Type: boolean.

PostgreSQL Version: 9.3

Pictorial Presentation of PostgreSQL ISFINITE() function

Example 1: PostgreSQL ISFINITE() function

Code:

SELECT isfinite(date '2002-09-17');

Sample Output:

  isfinite
----------
 t
(1 row)

Example 2: PostgreSQL ISFINITE() function

The isfinite() function is used to get the test for a finite date (not +/-infinity).

Code:

SELECT isfinite(timestamp '2002-09-17 19:27:45');

Sample Output:

 isfinite
----------
 t
(1 row)

Example 3: PostgreSQL ISFINITE() function

This function is used to test for a finite interval.

Code:

SELECT isfinite(interval '7 hours');

Sample Output:

   isfinite
----------
 t
(1 row)

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