99 lines
3.6 KiB
Plaintext
99 lines
3.6 KiB
Plaintext
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drop table if exists t1;
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CREATE TABLE t1 (
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visitor_id int(10) unsigned DEFAULT '0' NOT NULL,
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group_id int(10) unsigned DEFAULT '0' NOT NULL,
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hits int(10) unsigned DEFAULT '0' NOT NULL,
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sessions int(10) unsigned DEFAULT '0' NOT NULL,
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ts timestamp,
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PRIMARY KEY (visitor_id,group_id)
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)/*! engine=MyISAM */;
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INSERT INTO t1 VALUES (465931136,7,2,2,20000318160952);
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INSERT INTO t1 VALUES (173865424,2,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,8,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,39,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,7,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,3,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,6,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,60,2,2,20000318233615);
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INSERT INTO t1 VALUES (173865424,1502,2,2,20000318233615);
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INSERT INTO t1 VALUES (48985536,2,2,2,20000319013932);
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INSERT INTO t1 VALUES (48985536,8,2,2,20000319013932);
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INSERT INTO t1 VALUES (48985536,39,2,2,20000319013932);
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INSERT INTO t1 VALUES (48985536,7,2,2,20000319013932);
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INSERT INTO t1 VALUES (465931136,3,2,2,20000318160951);
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INSERT INTO t1 VALUES (465931136,119,1,1,20000318160953);
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INSERT INTO t1 VALUES (465931136,2,1,1,20000318160950);
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INSERT INTO t1 VALUES (465931136,8,1,1,20000318160950);
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INSERT INTO t1 VALUES (465931136,39,1,1,20000318160950);
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INSERT INTO t1 VALUES (1092858576,14,1,1,20000319013445);
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INSERT INTO t1 VALUES (357917728,3,2,2,20000319145026);
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INSERT INTO t1 VALUES (357917728,7,2,2,20000319145027);
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select visitor_id,max(ts) as mts from t1 group by visitor_id
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having mts < DATE_SUB(NOW(),INTERVAL 3 MONTH);
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visitor_id mts
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48985536 2000-03-19 01:39:32
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173865424 2000-03-18 23:36:15
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357917728 2000-03-19 14:50:27
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465931136 2000-03-18 16:09:53
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1092858576 2000-03-19 01:34:45
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select visitor_id,max(ts) as mts from t1 group by visitor_id
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having DATE_ADD(mts,INTERVAL 3 MONTH) < NOW();
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visitor_id mts
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48985536 2000-03-19 01:39:32
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173865424 2000-03-18 23:36:15
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357917728 2000-03-19 14:50:27
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465931136 2000-03-18 16:09:53
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1092858576 2000-03-19 01:34:45
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drop table t1;
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set sql_mode='traditional';
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create table t1 (d date);
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insert into t1 (d) select date_sub('2000-01-01', INTERVAL 2001 YEAR);
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ERROR 22008: Datetime function: datetime field overflow
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insert into t1 (d) select date_add('2000-01-01',interval 8000 year);
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ERROR 22008: Datetime function: datetime field overflow
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insert into t1 values (date_add(NULL, INTERVAL 1 DAY));
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insert into t1 values (date_add('2000-01-04', INTERVAL NULL DAY));
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set sql_mode='';
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insert into t1 (d) select date_sub('2000-01-01', INTERVAL 2001 YEAR);
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Warnings:
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Warning 1441 Datetime function: datetime field overflow
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insert into t1 (d) select date_add('2000-01-01',interval 8000 year);
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Warnings:
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Warning 1441 Datetime function: datetime field overflow
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insert into t1 values (date_add(NULL, INTERVAL 1 DAY));
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insert into t1 values (date_add('2000-01-04', INTERVAL NULL DAY));
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select * from t1;
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d
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NULL
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NULL
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NULL
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NULL
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NULL
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NULL
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drop table t1;
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End of 4.1 tests
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SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 DAY;
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CAST('2006-09-26' AS DATE) + INTERVAL 1 DAY
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2006-09-27
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SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 MONTH;
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CAST('2006-09-26' AS DATE) + INTERVAL 1 MONTH
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2006-10-26
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SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 YEAR;
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CAST('2006-09-26' AS DATE) + INTERVAL 1 YEAR
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2007-09-26
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SELECT CAST('2006-09-26' AS DATE) + INTERVAL 1 WEEK;
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CAST('2006-09-26' AS DATE) + INTERVAL 1 WEEK
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2006-10-03
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create table t1 (a int, b varchar(10));
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insert into t1 values (1, '2001-01-01'),(2, '2002-02-02');
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select '2007-01-01' + interval a day from t1;
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'2007-01-01' + interval a day
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2007-01-02
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2007-01-03
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select b + interval a day from t1;
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b + interval a day
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2001-01-02
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2002-02-04
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drop table t1;
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End of 5.0 tests
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