ClickHouse/tests/queries/0_stateless/01692_DateTime64_from_DateTime.sql

-- { echo }
select toDateTime64(toDateTime(1), 2);
select toDateTime64(toDate(1), 2);
select toDateTime64(toDateTime(1), 2, 'GMT');
select toDateTime64(toDate(1), 2, 'GMT');
Fix toDateTime64(toDate()/toDateTime()) for DateTime64 Maybe this is even does not worth it, but at least there was code that assume that this should work - ToDateTime64Transform in FunctionsConversion.h. 2021-02-05 19:06:22 +00:00			`-- { echo }`
			`select toDateTime64(toDateTime(1), 2);`
			`select toDateTime64(toDate(1), 2);`
Fix timezone argument for DateTime64 It should be marked with always const, otherwise it will bail: Code: 44, e.displayText() = DB::Exception: Illegal column String of time zone argument of function, must be constant string: While processing toDateTime(-1, 1, 'GMT'), Stack trace (when copying this message, always include the lines below): 2021-02-05 19:06:23 +00:00			`select toDateTime64(toDateTime(1), 2, 'GMT');`
			`select toDateTime64(toDate(1), 2, 'GMT');`