ydb/yql/essentials/tests/sql/suites/bigdate/const_interval64.sql

select interval64("-P106751616DT23H59M59.999999S"), cast(interval64("-P106751616DT23H59M59.999999S") as string);
select interval64("P106751616DT23H59M59.999999S"), cast(interval64("P106751616DT23H59M59.999999S") as string);
select interval64("P106709244DT999999H999999M999999.999999S"), cast(interval64("P106709244DT999999H999999M999999.999999S") as string);
select interval64("P000000000DT00H00M00.000000S"), cast(interval64("P000000000DT00H00M00.000000S") as string);

select interval64("PT0S"), cast(interval64("PT0S") as string);
select interval64("-PT0S"), cast(interval64("-PT0S") as string);
select interval64("PT0.000001S"), cast(interval64("PT0.000001S") as string);
select interval64("-PT0.000001S"), cast(interval64("-PT0.000001S") as string);

select interval64("PT0S"), cast(interval64("PT0S") as string);
select interval64("PT0M"), cast(interval64("PT0M") as string);
select interval64("PT0H"), cast(interval64("PT0H") as string);
select interval64("P0D"), cast(interval64("P0D") as string);
select interval64("P0W"), cast(interval64("P0W") as string);

select interval64("PT999999S"), cast(interval64("PT999999S") as string);
select interval64("PT999999M"), cast(interval64("PT999999M") as string);
select interval64("PT999999H"), cast(interval64("PT999999H") as string);

select interval64("P106751616D"), cast(interval64("P106751616D") as string);
select interval64("P15250230W"), cast(interval64("P15250230W") as string);

select interval64("PT1S"), cast(interval64("PT1S") as string);
select interval64("PT1M"), cast(interval64("PT1M") as string);
select interval64("PT1H"), cast(interval64("PT1H") as string);
select interval64("P1D"), cast(interval64("P1D") as string);
select interval64("P1W"), cast(interval64("P1W") as string);

select interval64("-PT1S"), cast(interval64("-PT1S") as string);
select interval64("-PT1M"), cast(interval64("-PT1M") as string);
select interval64("-PT1H"), cast(interval64("-PT1H") as string);
select interval64("-P1D"), cast(interval64("-P1D") as string);
select interval64("-P1W"), cast(interval64("-P1W") as string);