func_test.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.

--disable_warnings
drop table if exists t1,t2;
--enable_warnings
#
# Testing of comparison functions
#
select 0=0,1>0,1>=1,1<0,1<=0,1!=0,strcmp("abc","abcd"),strcmp("b","a"),strcmp("a","a") ;
select "a"<"b","a"<="b","b">="a","b">"a","a"="A","a"<>"b";
select "a "="A", "A "="a", "a  " <= "A b"; 
select "abc" like "a%", "abc" not like "%d%", "a%" like "a\%","abc%" like "a%\%","abcd" like "a%b_%d", "a" like "%%a","abcde" like "a%_e","abc" like "abc%";
select "a" like "%%b","a" like "%%ab","ab" like "a\%", "ab" like "_", "ab" like "ab_", "abc" like "%_d", "abc" like "abc%d";
select '?' like '|%', '?' like '|%' ESCAPE '|', '%' like '|%', '%' like '|%' ESCAPE '|', '%' like '%';
select 'abc' like '%c','abcabc' like '%c',  "ab" like "", "ab" like "a", "ab" like "ab";
select "Det h鋜 鋜 svenska" regexp "h[[:alpha:]]+r", "aba" regexp "^(a|b)*$";
select "aba" regexp concat("^","a");
select !0,NOT 0=1,!(0=0),1 AND 1,1 && 0,0 OR 1,1 || NULL, 1=1 or 1=1 and 1=0;
select 2 between 1 and 3, "monty" between "max" and "my",2=2 and "monty" between "max" and "my" and 3=3;
select 'b' between 'a' and 'c', 'B' between 'a' and 'c';
select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
select -1.49 or -1.49,0.6 or 0.6;
select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
explain extended select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
select 1 like 2 xor 2 like 1;
select 10 % 7, 10 mod 7, 10 div 3;
explain extended select 10 % 7, 10 mod 7, 10 div 3;
select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
explain extended select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;

create table t1 (a int);
insert t1 values (1);
select * from t1 where 1 xor 1;
explain extended select * from t1 where 1 xor 1;
select - a from t1;
explain extended select - a from t1;
drop table t1;

#
# Wrong usage of functions
#

select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
select 1 and 2 between 2 and 10, 2 between 2 and 10 and 1;
select 1 and 0 or 2, 2 or 1 and 0;

#
# Coercibility
#
select _koi8r'a' = _koi8r'A';
select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
explain extended select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin;
select _koi8r'a' COLLATE koi8r_general_ci = _koi8r'A';
select _koi8r'a' COLLATE koi8r_bin = _koi8r'A';
--error 1267
select _koi8r'a' COLLATE koi8r_bin = _koi8r'A' COLLATE koi8r_general_ci;
--error 1267
select _koi8r'a' = _latin1'A';

select strcmp(_koi8r'a', _koi8r'A');
select strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_general_ci);
select strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_bin);
select strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A');
select strcmp(_koi8r'a' COLLATE koi8r_bin, _koi8r'A');
--error 1267
select strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A' COLLATE koi8r_bin);
--error 1267
select strcmp(_koi8r'a', _latin1'A');

select _koi8r'a' LIKE _koi8r'A';
select _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_general_ci;
select _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_bin;
select _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A';
select _koi8r'a' COLLATE koi8r_bin LIKE _koi8r'A';
--error 1267
select _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A' COLLATE koi8r_bin;
--error 1267
select _koi8r'a' LIKE _latin1'A';

#
# Test for LEAST() BUG in LEFT JOIN
#
CREATE TABLE t1 (   faq_group_id int(11) NOT NULL default '0',   faq_id int(11) NOT NULL default '0',   title varchar(240) default NULL,   keywords text,   description longblob,   solution longblob,   status tinyint(4) NOT NULL default '0',   access_id smallint(6) default NULL,   lang_id smallint(6) NOT NULL default '0',   created datetime NOT NULL default '0000-00-00 00:00:00',   updated datetime default NULL,   last_access datetime default NULL,   last_notify datetime default NULL,   solved_count int(11) NOT NULL default '0',   static_solved int(11) default NULL,   solved_1 int(11) default NULL,   solved_2 int(11) default NULL,   solved_3 int(11) default NULL,   solved_4 int(11) default NULL,   solved_5 int(11) default NULL,   expires datetime default NULL,   notes text,   assigned_to smallint(6) default NULL,   assigned_group smallint(6) default NULL,   last_edited_by smallint(6) default NULL,   orig_ref_no varchar(15) binary default NULL,   c$fundstate smallint(6) default NULL,   c$contributor smallint(6) default NULL,   UNIQUE KEY t1$faq_id (faq_id),   KEY t1$group_id$faq_id (faq_group_id,faq_id),   KEY t1$c$fundstate (c$fundstate) ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (82,82,'How to use the DynaVox Usage Counts Feature','usages count, number, corner, white, box, button','<as-html>\r\n<table width=\"100%\" border=\"0\">\r\n  <tr>\r\n    <td width=\"3%\">