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    Datatype

    Function Name Description
    IS_BIGINT Returns TRUE if the input expression is an big integer value.
    IS_DATE Returns TRUE if the input expression can be cast to a date.
    IS_INT Returns TRUE if the input expression is an integer value.
    IS_VARCHAR Returns TRUE if the input expression is a varchar value.
    SIZE Returns the number of entries in a map expression.
    TYPEOF Reports the type (in string format) of the input expression.