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Syntax for TIMESTAMPADD: TIMESTAMPADD(interval, integer_expression, datetime_expression) interval:= FRAC_SECOND | SECOND | MINUTE | HOUR | DAY | WEEK | MONTH | QUARTER | YEAR Supported SQL_TSI_ prefix (like SQL_TSI_SECOND) Syntax for TIMESTAMPDIFF: TIMESTAMPDIFF(interval, datetime_expression1, datetime_expression2) interval:= FRAC_SECOND | SECOND | MINUTE | HOUR | DAY | WEEK | MONTH | QUARTER | YEAR Supported SQL_TSI_ prefix (like SQL_TSI_SECOND)
18 lines
798 B
Text
18 lines
798 B
Text
drop table if exists t1;
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create table t1 (time time, date date, timestamp timestamp,
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quarter int, week int, year int, timestampadd int, timestampdiff int);
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insert into t1 values ("12:22:22","97:02:03","1997-01-02",1,2,3,4,5);
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select * from t1;
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time date timestamp quarter week year timestampadd timestampdiff
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12:22:22 1997-02-03 1997-01-02 00:00:00 1 2 3 4 5
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select t1.time+0,t1.date+0,t1.timestamp+0,concat(date," ",time),
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t1.quarter+t1.week, t1.year+timestampadd, timestampdiff from t1;
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t1.time+0 t1.date+0 t1.timestamp+0 concat(date," ",time) t1.quarter+t1.week t1.year+timestampadd timestampdiff
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122222 19970203 19970102000000 1997-02-03 12:22:22 3 7 5
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drop table t1;
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create table events(binlog int);
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insert into events values(1);
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select events.binlog from events;
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binlog
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1
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drop table events;
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