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			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| DROP TABLE IF EXISTS t1;
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| show variables like "system_time_zone";
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| Variable_name	Value
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| system_time_zone	MET
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| select @a:=FROM_UNIXTIME(1);
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| @a:=FROM_UNIXTIME(1)
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| 1970-01-01 01:00:01
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| select unix_timestamp(@a);
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| unix_timestamp(@a)
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| 1.000000
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| CREATE TABLE t1 (ts int);
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 01:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 03:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 01:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2002-10-27 02:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 02:59:59'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 03:00:00'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 03:59:59'));
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| INSERT INTO t1 (ts) VALUES (Unix_timestamp('2003-03-30 04:00:01'));
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| SELECT ts,from_unixtime(ts) FROM t1;
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| ts	from_unixtime(ts)
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| 1035673200	2002-10-27 01:00:00
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| 1035680400	2002-10-27 02:00:00
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| 1035684000	2002-10-27 03:00:00
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| 1035680400	2002-10-27 02:00:00
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| 1035673200	2002-10-27 01:00:00
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| 1035680400	2002-10-27 02:00:00
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| 1048986000	2003-03-30 03:00:00
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| 1048986000	2003-03-30 03:00:00
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| 1048989599	2003-03-30 03:59:59
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| 1048989601	2003-03-30 04:00:01
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| DROP TABLE t1;
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| CREATE TABLE t1 (ts timestamp);
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| INSERT INTO t1 (ts) VALUES ('2003-03-30 01:59:59'),
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| ('2003-03-30 02:59:59'),
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| ('2003-03-30 03:00:00');
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| Warnings:
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| Warning	1299	Invalid TIMESTAMP value in column 'ts' at row 2
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| DROP TABLE t1;
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| select unix_timestamp('1970-01-01 01:00:00'), 
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| unix_timestamp('1970-01-01 01:00:01'),
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| unix_timestamp('2038-01-19 04:14:07'),
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| unix_timestamp('2038-01-19 04:14:08');
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| unix_timestamp('1970-01-01 01:00:00')	unix_timestamp('1970-01-01 01:00:01')	unix_timestamp('2038-01-19 04:14:07')	unix_timestamp('2038-01-19 04:14:08')
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| 0.000000	1.000000	2147483647.000000	NULL
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| select unix_timestamp('1969-12-31 23:59:59'), unix_timestamp('1970-01-01 00:00:00'), unix_timestamp('1970-01-01 00:59:59');
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| unix_timestamp('1969-12-31 23:59:59')	unix_timestamp('1970-01-01 00:00:00')	unix_timestamp('1970-01-01 00:59:59')
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| NULL	NULL	NULL
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