Function datePart

datePart(a0: undefined | string | Text<0 | 1>, a1: Date<0 | 1>): Float8<0 | 1>

datePart(
    a0: undefined | string | Text<0 | 1>,
    a1: Interval<0 | 1>,
): Float8<0 | 1>

datePart(a0: undefined | string | Text<0 | 1>, a1: Time<0 | 1>): Float8<0 | 1>

datePart(
    a0: undefined | string | Text<0 | 1>,
    a1: Timestamp<0 | 1>,
): Float8<0 | 1>

datePart(
    a0: undefined | string | Text<0 | 1>,
    a1: Timestamptz<0 | 1>,
): Float8<0 | 1>

datePart(a0: undefined | string | Text<0 | 1>, a1: Timetz<0 | 1>): Float8<0 | 1>