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39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
DROP DATABASE IF EXISTS mcs280_db;
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CREATE DATABASE mcs280_db;
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USE mcs280_db;
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CREATE TABLE t1
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(
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t1_DATE DATE,
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t1_TIMESTAMP TIMESTAMP,
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t1_DATETIME DATETIME
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)ENGINE=Columnstore;
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INSERT INTO t1 VALUES('1991-05-30', '1999-10-28 01:00:50', '2020-12-11 01:08:59');
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INSERT INTO t1 VALUES('2991-10-13', '1972-11-22 11:19:52', '2002-02-21 05:28:37');
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SELECT WEEKOFYEAR('2020-10-12') FROM t1 LIMIT 1;
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WEEKOFYEAR('2020-10-12')
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42
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SELECT WEEKOFYEAR('2020-05-22') FROM t1 LIMIT 1;
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WEEKOFYEAR('2020-05-22')
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21
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SELECT WEEKOFYEAR('2020-02-13 12:13:14') FROM t1 LIMIT 1;
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WEEKOFYEAR('2020-02-13 12:13:14')
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7
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SELECT WEEKOFYEAR('12:13:14') FROM t1 LIMIT 1;
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WEEKOFYEAR('12:13:14')
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NULL
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Warnings:
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Warning 1292 Incorrect datetime value: '12:13:14'
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SELECT t1_DATE, WEEKOFYEAR(t1_DATE) FROM t1 ORDER BY 1;
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t1_DATE WEEKOFYEAR(t1_DATE)
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1991-05-30 22
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2991-10-13 41
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SELECT t1_DATETIME, WEEKOFYEAR(t1_DATETIME) FROM t1 ORDER BY 1;
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t1_DATETIME WEEKOFYEAR(t1_DATETIME)
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2002-02-21 05:28:37 8
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2020-12-11 01:08:59 50
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SELECT t1_TIMESTAMP, WEEKOFYEAR(t1_TIMESTAMP) FROM t1 ORDER BY 1;
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t1_TIMESTAMP WEEKOFYEAR(t1_TIMESTAMP)
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1972-11-22 11:19:52 47
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1999-10-28 01:00:50 43
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DROP DATABASE mcs280_db;
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