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42 lines
1.6 KiB
Plaintext
42 lines
1.6 KiB
Plaintext
DROP DATABASE IF EXISTS mcs266_db;
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CREATE DATABASE mcs266_db;
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USE mcs266_db;
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CREATE TABLE t1(t1_d VARCHAR(20), t1_t CHAR(10), t1_dt VARCHAR(25))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', '2020-11-01 22:12:12');
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INSERT INTO t1 VALUES('2020/01/01', '17:31:11', '2020-22-11 17:34:56');
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INSERT INTO t1 VALUES('2016/02/01', '21:41:19', '2017-02-05 02:19:32');
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SELECT STR_TO_DATE('1990,09,24', '%Y,%m,%d') FROM t1 LIMIT 1;
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STR_TO_DATE('1990,09,24', '%Y,%m,%d')
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1990-09-24
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SELECT STR_TO_DATE('09:30:17','%h:%i:%s') FROM t1 LIMIT 1;
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STR_TO_DATE('09:30:17','%h:%i:%s')
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09:30:17
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SELECT STR_TO_DATE('09:30:17mcs','%h:%s:%imcs') FROM t1 LIMIT 1;
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STR_TO_DATE('09:30:17mcs','%h:%s:%imcs')
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09:17:30
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SELECT STR_TO_DATE('1990/09/24 19:52:17', '%Y/%m/%d %H:%i:%s') FROM t1 LIMIT 1;
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STR_TO_DATE('1990/09/24 19:52:17', '%Y/%m/%d %H:%i:%s')
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1990-09-24 19:52:17
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SELECT t1_d, STR_TO_DATE(t1_d, '%Y/%m/%d') FROM t1 ORDER BY 1;
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t1_d STR_TO_DATE(t1_d, '%Y/%m/%d')
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NULL NULL
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2016/02/01 2016-02-01
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2020/01/01 2020-01-01
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2222/11/11 2222-11-11
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SELECT t1_t, STR_TO_DATE(t1_t, '%H:%i:%s') FROM t1 ORDER BY 1;
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t1_t STR_TO_DATE(t1_t, '%H:%i:%s')
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NULL NULL
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12:12:12 12:12:12
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17:31:11 17:31:11
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21:41:19 21:41:19
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SELECT t1_dt, STR_TO_DATE(t1_dt, '%Y-%d-%m %H:%i:%s') FROM t1 ORDER BY 1;
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t1_dt STR_TO_DATE(t1_dt, '%Y-%d-%m %H:%i:%s')
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NULL NULL
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2017-02-05 02:19:32 2017-05-02 02:19:32
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2020-11-01 22:12:12 2020-01-11 22:12:12
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2020-22-11 17:34:56 2020-11-22 17:34:56
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SELECT STR_TO_DATE(t1_d) FROM t1;
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ERROR 42000: Incorrect parameter count in the call to native function 'STR_TO_DATE'
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DROP DATABASE mcs266_db;
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