type_date.test

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

#
# test of problem with date fields
#
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

create table t1 (a char(16), b date, c datetime);
insert into t1 SET a='test 2000-01-01', b='2000-01-01', c='2000-01-01';
select * from t1 where c = '2000-01-01';
select * from t1 where b = '2000-01-01';
drop table t1;

#
# problem with date conversions
#

CREATE TABLE t1 (name char(6),cdate date);
INSERT INTO t1 VALUES ('name1','1998-01-01');
INSERT INTO t1 VALUES ('name2','1998-01-01');
INSERT INTO t1 VALUES ('name1','1998-01-02');
INSERT INTO t1 VALUES ('name2','1998-01-02');
CREATE TABLE t2 (cdate date, note char(6));
INSERT INTO t2 VALUES ('1998-01-01','note01');
INSERT INTO t2 VALUES ('1998-01-02','note02');
select name,t1.cdate,note from t1,t2 where t1.cdate=t2.cdate and t1.cdate='1998-01-01';
drop table t1,t2;

#
# Date and BETWEEN
#

CREATE TABLE t1 ( datum DATE );
INSERT INTO t1 VALUES ( "2000-1-1" );
INSERT INTO t1 VALUES ( "2000-1-2" );
INSERT INTO t1 VALUES ( "2000-1-3" );
INSERT INTO t1 VALUES ( "2000-1-4" );
INSERT INTO t1 VALUES ( "2000-1-5" );
SELECT * FROM t1 WHERE datum BETWEEN cast("2000-1-2" as date) AND cast("2000-1-4" as date);
SELECT * FROM t1 WHERE datum BETWEEN cast("2000-1-2" as date) AND datum - INTERVAL 100 DAY;
DROP TABLE t1;

#
# test of max(date) and having
#

CREATE TABLE t1 (
  user_id char(10),
  summa int(11),
  rdate date
);
INSERT INTO t1 VALUES ('aaa',100,'1998-01-01');
INSERT INTO t1 VALUES ('aaa',200,'1998-01-03');
INSERT INTO t1 VALUES ('bbb',50,'1998-01-02');
INSERT INTO t1 VALUES ('bbb',200,'1998-01-04');
select max(rdate) as s from t1 where rdate < '1998-01-03' having s> "1998-01-01";
select max(rdate) as s from t1 having s="1998-01-04";
select max(rdate+0) as s from t1 having s="19980104";
drop table t1;

#
# Test of date and not null
#

create table t1 (date date);  
insert into t1 values ("2000-08-10"),("2000-08-11");
select date_add(date,INTERVAL 1 DAY),date_add(date,INTERVAL 1 SECOND) from t1;
drop table t1;

#
# Test problem with DATE_FORMAT
#

CREATE TABLE t1(AFIELD INT);
INSERT INTO t1 VALUES(1);
CREATE TABLE t2(GMT  VARCHAR(32));
INSERT INTO t2 VALUES('GMT-0800');
SELECT DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ' ,  t2.GMT)) FROM t1, t2 GROUP BY t1.AFIELD;
INSERT INTO t1 VALUES(1);
SELECT DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ' ,  t2.GMT)), DATE_FORMAT("2002-03-06 10:11:12",  CONCAT('%a, %d %M %Y %H:%i:%s ' ,  t2.GMT)) FROM t1,t2 GROUP BY t1.AFIELD;
drop table t1,t2;

#
# Multiple SELECT DATE_FORMAT gave incorrect results (Bug #4036)
#

CREATE TABLE t1 (f1 time default NULL, f2 time default NULL);
INSERT INTO t1 (f1, f2) VALUES ('09:00', '12:00');
SELECT DATE_FORMAT(f1, "%l.%i %p") , DATE_FORMAT(f2, "%l.%i %p") FROM t1;
DROP TABLE t1;

#
# Bug 4937: different date -> string conversion when using SELECT ... UNION
# and INSERT ... SELECT ... UNION
#

CREATE TABLE t1 (f1 DATE);
CREATE TABLE t2 (f2 VARCHAR(8));
CREATE TABLE t3 (f2 CHAR(8));

INSERT INTO t1 VALUES ('1978-11-26');
INSERT INTO t2 SELECT f1+0 FROM t1;
INSERT INTO t2 SELECT f1+0 FROM t1 UNION SELECT f1+0 FROM t1;
INSERT INTO t3 SELECT f1+0 FROM t1;
INSERT INTO t3 SELECT f1+0 FROM t1 UNION SELECT f1+0 FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;

DROP TABLE t1, t2, t3;

# Test that setting YEAR to invalid string results in default value, not
# 2000. (Bug #6067)
CREATE TABLE t1 (y YEAR);
INSERT INTO t1 VALUES ('abc');
SELECT * FROM t1;
DROP TABLE t1;

#
# Bug#21677: Wrong result when comparing a DATE and a DATETIME in BETWEEN
#
create table t1(start_date date, end_date date);
insert into t1 values ('2000-01-01','2000-01-02');
select 1 from t1 where cast('2000-01-01 12:01:01' as datetime) between start_date and end_date;
drop table t1;
# End of 4.1 tests

#
# Bug #23093: Implicit conversion of 9912101 to date does not match
# cast(9912101 as date)
#
select @d:=1111, year(@d), month(@d), day(@d), cast(@d as date);
select @d:=011111, year(@d), month(@d), day(@d), cast(@d as date);
select @d:=1311, year(@d), month(@d), day(@d), cast(@d as date);
create table t1 (d  date , dt datetime , ts timestamp);
insert into t1 values (9912101,9912101,9912101);
insert into t1 values (11111,11111,11111);
select * from t1;
drop table t1;

#
# Bug #31221: Optimizer incorrectly identifies impossible WHERE clause
#

CREATE TABLE t1 (a DATE, b int, PRIMARY KEY (a,b));
INSERT INTO t1 VALUES (DATE(NOW()), 1);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
INSERT INTO t1 VALUES (DATE(NOW()), 2);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
ALTER TABLE t1 DROP PRIMARY KEY;
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();

DROP TABLE t1;

--echo End of 5.0 tests