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34 lines
897 B
Plaintext
34 lines
897 B
Plaintext
DROP DATABASE IF EXISTS mcs223_db;
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CREATE DATABASE mcs223_db;
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USE mcs223_db;
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CREATE TABLE t1(t1_d DATE, t1_t TIME, t1_dt DATETIME)ENGINE=Columnstore;
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INSERT INTO t1 VALUES(NULL, NULL, NULL);
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INSERT INTO t1 VALUES('2222-11-11', '12:12:12', '2020-11-11 12:12:12');
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INSERT INTO t1 VALUES('2020-01-01', '11:11:11', '2020-12-31 12:34:56');
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INSERT INTO t1 VALUES('2016-02-01', '11:11:11', '2017-02-01 12:12:12');
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SELECT QUARTER('2020:1:1');
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QUARTER('2020:1:1')
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1
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SELECT QUARTER('2020/11/1');
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QUARTER('2020/11/1')
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4
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SELECT QUARTER('2020-6-21');
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QUARTER('2020-6-21')
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2
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SELECT QUARTER('20200701');
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QUARTER('20200701')
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3
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SELECT t1_dt, QUARTER(t1_dt) FROM t1 ORDER BY 1;
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t1_dt QUARTER(t1_dt)
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NULL NULL
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2017-02-01 12:12:12 1
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2020-11-11 12:12:12 4
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2020-12-31 12:34:56 4
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SELECT t1_d, QUARTER(t1_d) FROM t1 ORDER BY 1;
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t1_d QUARTER(t1_d)
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NULL NULL
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2016-02-01 1
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2020-01-01 1
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2222-11-11 4
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DROP DATABASE mcs223_db;
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