ClickHouse/dbms/tests/queries/0_stateless/00517_date_parsing.sql
alexey-milovidov 19e0cd879d
Extended date parsing (#1495)
* Allowed to parse Date in YYYY-mM-dD format [#CLICKHOUSE-3].

* Allowed to parse Date in YYYY-mM-dD format [#CLICKHOUSE-3].
2017-11-15 05:08:55 +03:00

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SQL

SELECT toDate(s) FROM (SELECT arrayJoin(['2017-01-02', '2017-1-02', '2017-01-2', '2017-1-2', '2017/01/02', '2017/1/02', '2017/01/2', '2017/1/2', '2017-11-12']) AS s);
DROP TABLE IF EXISTS test.date;
CREATE TABLE test.date (d Date) ENGINE = Memory;
INSERT INTO test.date VALUES ('2017-01-02'), ('2017-1-02'), ('2017-01-2'), ('2017-1-2'), ('2017/01/02'), ('2017/1/02'), ('2017/01/2'), ('2017/1/2'), ('2017-11-12');
SELECT * FROM test.date;
INSERT INTO test.date FORMAT JSONEachRow {"d": "2017-01-02"}, {"d": "2017-1-02"}, {"d": "2017-01-2"}, {"d": "2017-1-2"}, {"d": "2017/01/02"}, {"d": "2017/1/02"}, {"d": "2017/01/2"}, {"d": "2017/1/2"}, {"d": "2017-11-12"};
SELECT * FROM test.date ORDER BY d;
DROP TABLE test.date;
WITH toDate('2000-01-01') + rand() % (30000) AS EventDate SELECT * FROM numbers(1000000) WHERE EventDate != toDate(concat(toString(toYear(EventDate)), '-', toString(toMonth(EventDate)), '-', toString(toDayOfMonth(EventDate))));