ClickHouse/tests/queries/0_stateless/02403_date_time_narrowing.sql

SELECT toDate(toDate32('1930-01-01', 'UTC'), 'UTC'),
       toDate(toDate32('2151-01-01', 'UTC'), 'UTC');

SELECT toDate(toDateTime64('1930-01-01 12:12:12.12', 3, 'UTC'), 'UTC'),
       toDate(toDateTime64('2151-01-01 12:12:12.12', 3, 'UTC'), 'UTC');

SELECT toDateTime(toDateTime64('1930-01-01 12:12:12.12', 3, 'UTC'), 'UTC'),
       toDateTime(toDateTime64('2151-01-01 12:12:12.12', 3, 'UTC'), 'UTC');

SELECT toDateTime(toDate32('1930-01-01', 'UTC'), 'UTC'),
       toDateTime(toDate32('2151-01-01', 'UTC'), 'UTC');

SELECT toDateTime(toDate('2141-01-01', 'UTC'), 'UTC');

SELECT 'toStartOfDay';
SELECT toStartOfDay(toDate('1930-01-01', 'UTC'), 'UTC'),
       toStartOfDay(toDate('2141-01-01', 'UTC'), 'UTC'),
       toStartOfDay(toDate32('1930-01-01', 'UTC'), 'UTC'),
       toStartOfDay(toDate32('2141-01-01', 'UTC'), 'UTC'),
       toStartOfDay(toDateTime64('1930-01-01 12:12:12.123', 3, 'UTC'), 'UTC'),
       toStartOfDay(toDateTime64('2141-01-01 12:12:12.123', 3, 'UTC'), 'UTC');

SELECT 'toMonday';
SELECT toMonday(toDate32('1930-01-01', 'UTC')),
       toMonday(toDate32('2151-01-01', 'UTC')),
       toMonday(toDateTime64('1930-01-01 12:12:12.123', 3, 'UTC'), 'UTC'),
       toMonday(toDateTime64('2151-01-01 12:12:12.123', 3, 'UTC'), 'UTC');

SELECT 'toStartOfMonth';
SELECT toStartOfMonth(toDate32('1930-01-01', 'UTC')),
       toStartOfMonth(toDate32('2151-01-01', 'UTC')),
       toStartOfMonth(toDateTime64('1930-01-01 12:12:12.123', 3, 'UTC'), 'UTC'),
       toStartOfMonth(toDateTime64('2151-01-01 12:12:12.123', 3, 'UTC'), 'UTC');

SELECT 'toLastDayOfMonth';
SELECT toLastDayOfMonth(toDate32('1930-01-01', 'UTC')),
       toLastDayOfMonth(toDate32('2151-01-01', 'UTC')),
       toLastDayOfMonth(toDateTime64('1930-01-01 12:12:12.123', 3, 'UTC'), 'UTC'),
       toLastDayOfMonth(toDateTime64('2151-01-01 12:12:12.123', 3, 'UTC'), 'UTC');

SELECT 'toStartOfQuarter';
SELECT toStartOfQuarter(toDate32('1930-01-01', 'UTC')),
       toStartOfQuarter(toDate32('2151-01-01', 'UTC')),
       toStartOfQuarter(toDateTime64('1930-01-01 12:12:12.123', 3, 'UTC'), 'UTC'),
       toStartOfQuarter(toDateTime64('2151-01-01 12:12:12.123', 3, 'UTC'), 'UTC');

SELECT 'toStartOfYear';
SELECT toStartOfYear(toDate32('1930-01-01', 'UTC')),
       toStartOfYear(toDate32('2151-01-01', 'UTC')),
       toStartOfYear(toDateTime64('1930-01-01 12:12:12.123', 3, 'UTC'), 'UTC'),
       toStartOfYear(toDateTime64('2151-01-01 12:12:12.123', 3, 'UTC'), 'UTC');