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https://github.com/MariaDB/server.git
synced 2025-11-03 20:36:16 +01:00
49 lines
2 KiB
Text
49 lines
2 KiB
Text
show variables like "system_time_zone";
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Variable_name Value
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system_time_zone CET
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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
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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 1 2147483647 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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