-- { echo } -- Date32 vs Date32 SELECT dateDiff('second', toDate32('1900-01-01'), toDate32('1900-01-02')); 86400 SELECT dateDiff('minute', toDate32('1900-01-01'), toDate32('1900-01-02')); 1440 SELECT dateDiff('hour', toDate32('1900-01-01'), toDate32('1900-01-02')); 24 SELECT dateDiff('day', toDate32('1900-01-01'), toDate32('1900-01-02')); 1 SELECT dateDiff('week', toDate32('1900-01-01'), toDate32('1900-01-08')); 1 SELECT dateDiff('month', toDate32('1900-01-01'), toDate32('1900-02-01')); 1 SELECT dateDiff('quarter', toDate32('1900-01-01'), toDate32('1900-04-01')); 1 SELECT dateDiff('year', toDate32('1900-01-01'), toDate32('1901-01-01')); 1 -- With DateTime64 -- Date32 vs DateTime64 SELECT dateDiff('second', toDate32('1900-01-01'), toDateTime64('1900-01-02 00:00:00', 3)); 86400 SELECT dateDiff('minute', toDate32('1900-01-01'), toDateTime64('1900-01-02 00:00:00', 3)); 1440 SELECT dateDiff('hour', toDate32('1900-01-01'), toDateTime64('1900-01-02 00:00:00', 3)); 24 SELECT dateDiff('day', toDate32('1900-01-01'), toDateTime64('1900-01-02 00:00:00', 3)); 1 SELECT dateDiff('week', toDate32('1900-01-01'), toDateTime64('1900-01-08 00:00:00', 3)); 1 SELECT dateDiff('month', toDate32('1900-01-01'), toDateTime64('1900-02-01 00:00:00', 3)); 1 SELECT dateDiff('quarter', toDate32('1900-01-01'), toDateTime64('1900-04-01 00:00:00', 3)); 1 SELECT dateDiff('year', toDate32('1900-01-01'), toDateTime64('1901-01-01 00:00:00', 3)); 1 -- DateTime64 vs Date32 SELECT dateDiff('second', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-01-02')); 86400 SELECT dateDiff('minute', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-01-02')); 1440 SELECT dateDiff('hour', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-01-02')); 24 SELECT dateDiff('day', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-01-02')); 1 SELECT dateDiff('week', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-01-08')); 1 SELECT dateDiff('month', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-02-01')); 1 SELECT dateDiff('quarter', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1900-04-01')); 1 SELECT dateDiff('year', toDateTime64('1900-01-01 00:00:00', 3), toDate32('1901-01-01')); 1 -- With DateTime -- Date32 vs DateTime SELECT dateDiff('second', toDate32('2015-08-18'), toDateTime('2015-08-19 00:00:00')); 86400 SELECT dateDiff('minute', toDate32('2015-08-18'), toDateTime('2015-08-19 00:00:00')); 1440 SELECT dateDiff('hour', toDate32('2015-08-18'), toDateTime('2015-08-19 00:00:00')); 24 SELECT dateDiff('day', toDate32('2015-08-18'), toDateTime('2015-08-19 00:00:00')); 1 SELECT dateDiff('week', toDate32('2015-08-18'), toDateTime('2015-08-25 00:00:00')); 1 SELECT dateDiff('month', toDate32('2015-08-18'), toDateTime('2015-09-18 00:00:00')); 1 SELECT dateDiff('quarter', toDate32('2015-08-18'), toDateTime('2015-11-18 00:00:00')); 1 SELECT dateDiff('year', toDate32('2015-08-18'), toDateTime('2016-08-18 00:00:00')); 1 -- DateTime vs Date32 SELECT dateDiff('second', toDateTime('2015-08-18 00:00:00'), toDate32('2015-08-19')); 86400 SELECT dateDiff('minute', toDateTime('2015-08-18 00:00:00'), toDate32('2015-08-19')); 1440 SELECT dateDiff('hour', toDateTime('2015-08-18 00:00:00'), toDate32('2015-08-19')); 24 SELECT dateDiff('day', toDateTime('2015-08-18 00:00:00'), toDate32('2015-08-19')); 1 SELECT dateDiff('week', toDateTime('2015-08-18 00:00:00'), toDate32('2015-08-25')); 1 SELECT dateDiff('month', toDateTime('2015-08-18 00:00:00'), toDate32('2015-09-18')); 1 SELECT dateDiff('quarter', toDateTime('2015-08-18 00:00:00'), toDate32('2015-11-18')); 1 SELECT dateDiff('year', toDateTime('2015-08-18 00:00:00'), toDate32('2016-08-18')); 1 -- With Date -- Date32 vs Date SELECT dateDiff('second', toDate32('2015-08-18'), toDate('2015-08-19')); 86400 SELECT dateDiff('minute', toDate32('2015-08-18'), toDate('2015-08-19')); 1440 SELECT dateDiff('hour', toDate32('2015-08-18'), toDate('2015-08-19')); 24 SELECT dateDiff('day', toDate32('2015-08-18'), toDate('2015-08-19')); 1 SELECT dateDiff('week', toDate32('2015-08-18'), toDate('2015-08-25')); 1 SELECT dateDiff('month', toDate32('2015-08-18'), toDate('2015-09-18')); 1 SELECT dateDiff('quarter', toDate32('2015-08-18'), toDate('2015-11-18')); 1 SELECT dateDiff('year', toDate32('2015-08-18'), toDate('2016-08-18')); 1 -- Date vs Date32 SELECT dateDiff('second', toDate('2015-08-18'), toDate32('2015-08-19')); 86400 SELECT dateDiff('minute', toDate('2015-08-18'), toDate32('2015-08-19')); 1440 SELECT dateDiff('hour', toDate('2015-08-18'), toDate32('2015-08-19')); 24 SELECT dateDiff('day', toDate('2015-08-18'), toDate32('2015-08-19')); 1 SELECT dateDiff('week', toDate('2015-08-18'), toDate32('2015-08-25')); 1 SELECT dateDiff('month', toDate('2015-08-18'), toDate32('2015-09-18')); 1 SELECT dateDiff('quarter', toDate('2015-08-18'), toDate32('2015-11-18')); 1 SELECT dateDiff('year', toDate('2015-08-18'), toDate32('2016-08-18')); 1 -- Const vs non-const columns SELECT dateDiff('day', toDate32('1900-01-01'), materialize(toDate32('1900-01-02'))); 1 SELECT dateDiff('day', toDate32('1900-01-01'), materialize(toDateTime64('1900-01-02 00:00:00', 3))); 1 SELECT dateDiff('day', toDateTime64('1900-01-01 00:00:00', 3), materialize(toDate32('1900-01-02'))); 1 SELECT dateDiff('day', toDate32('2015-08-18'), materialize(toDateTime('2015-08-19 00:00:00'))); 1 SELECT dateDiff('day', toDateTime('2015-08-18 00:00:00'), materialize(toDate32('2015-08-19'))); 1 SELECT dateDiff('day', toDate32('2015-08-18'), materialize(toDate('2015-08-19'))); 1 SELECT dateDiff('day', toDate('2015-08-18'), materialize(toDate32('2015-08-19'))); 1 -- Non-const vs const columns SELECT dateDiff('day', materialize(toDate32('1900-01-01')), toDate32('1900-01-02')); 1 SELECT dateDiff('day', materialize(toDate32('1900-01-01')), toDateTime64('1900-01-02 00:00:00', 3)); 1 SELECT dateDiff('day', materialize(toDateTime64('1900-01-01 00:00:00', 3)), toDate32('1900-01-02')); 1 SELECT dateDiff('day', materialize(toDate32('2015-08-18')), toDateTime('2015-08-19 00:00:00')); 1 SELECT dateDiff('day', materialize(toDateTime('2015-08-18 00:00:00')), toDate32('2015-08-19')); 1 SELECT dateDiff('day', materialize(toDate32('2015-08-18')), toDate('2015-08-19')); 1 SELECT dateDiff('day', materialize(toDate('2015-08-18')), toDate32('2015-08-19')); 1 -- Non-const vs non-const columns SELECT dateDiff('day', materialize(toDate32('1900-01-01')), materialize(toDate32('1900-01-02'))); 1 SELECT dateDiff('day', materialize(toDate32('1900-01-01')), materialize(toDateTime64('1900-01-02 00:00:00', 3))); 1 SELECT dateDiff('day', materialize(toDateTime64('1900-01-01 00:00:00', 3)), materialize(toDate32('1900-01-02'))); 1 SELECT dateDiff('day', materialize(toDate32('2015-08-18')), materialize(toDateTime('2015-08-19 00:00:00'))); 1 SELECT dateDiff('day', materialize(toDateTime('2015-08-18 00:00:00')), materialize(toDate32('2015-08-19'))); 1 SELECT dateDiff('day', materialize(toDate32('2015-08-18')), materialize(toDate('2015-08-19'))); 1 SELECT dateDiff('day', materialize(toDate('2015-08-18')), materialize(toDate32('2015-08-19'))); 1