Categories: Datatype, Variant Type

IS_DATE Preview

Returns TRUE if the input expression is a VARIANT<DATE>.

Syntax

IS_DATE(value VARIANT) → BOOLEAN

• value: The VARIANT value to check.

Examples

IS_DATE example

SELECT IS_DATE(TO_VARIANT(CURRENT_DATE))
-- TRUE

IS_DATE example

SELECT IS_DATE(TO_VARIANT('2024-01-15'))
-- FALSE

Usage Notes

NULL handling for VARIANT inputs

If the input is SQL NULL (e.g., from a missing path), IS_DATE returns NULL.

Input	Result
VARIANT date	TRUE
VARIANT other type	FALSE
VARIANT null	FALSE
SQL NULL	NULL