IS_SMALLINT function - Amazon Redshift
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IS_SMALLINT function

Checks whether a variable is a SMALLINT. The IS_SMALLINT function returns true for numbers of scale 0 in the 16-bit range. The function returns false for any other values, including null and floating point numbers.

Syntax

IS_SMALLINT(super_expression)

Arguments

super_expression

A SUPER expression or column.

Return

BOOLEAN

Examples

To check if 5 is a SMALLINT using the IS_SMALLINT function, use the following example.

CREATE TABLE t(s SUPER); INSERT INTO t VALUES (5); SELECT s, IS_SMALLINT(s) FROM t; +---+-------------+ | s | is_smallint | +---+-------------+ | 5 | true | +---+-------------+