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Merge with new VARCHAR code
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monty@mysql.com
162
mysql-test/include/varchar.inc
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162
mysql-test/include/varchar.inc
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# Initialise
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--disable_warnings
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drop table if exists t1,t2,t3;
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--enable_warnings
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disable_query_log;
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select "--- Testing varchar ---";
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enable_query_log;
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#
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# Simple basic test that endspace is saved
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#
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create table t1 (v varchar(10), c char(10), t text);
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insert into t1 values('+ ', '+ ', '+ ');
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set @a=repeat(' ',20);
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insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
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select concat('*',v,'*',c,'*',t,'*') from t1;
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# Check how columns are copied
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show create table t1;
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create table t2 like t1;
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show create table t2;
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create table t3 select * from t1;
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show create table t3;
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alter table t1 modify c varchar(10);
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show create table t1;
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alter table t1 modify v char(10);
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show create table t1;
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alter table t1 modify t varchar(10);
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show create table t1;
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select concat('*',v,'*',c,'*',t,'*') from t1;
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drop table t1,t2,t3;
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#
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# Testing of keys
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#
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create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10)));
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show create table t1;
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disable_query_log;
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let $1=10;
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while ($1)
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{
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let $2=27;
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eval set @space=repeat(' ',10-$1);
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while ($2)
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{
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eval set @char=char(ascii('a')+$2-1);
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insert into t1 values(concat(@char,@space),concat(@char,@space),concat(@char,@space));
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dec $2;
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}
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dec $1;
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}
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enable_query_log;
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select count(*) from t1;
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insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
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select count(*) from t1 where v='a';
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select count(*) from t1 where c='a';
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select count(*) from t1 where t='a';
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select count(*) from t1 where v='a ';
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select count(*) from t1 where c='a ';
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select count(*) from t1 where t='a ';
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select count(*) from t1 where v between 'a' and 'a ';
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select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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select count(*) from t1 where v like 'a%';
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select count(*) from t1 where c like 'a%';
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select count(*) from t1 where t like 'a%';
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select count(*) from t1 where v like 'a %';
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explain select count(*) from t1 where v='a ';
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explain select count(*) from t1 where c='a ';
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explain select count(*) from t1 where t='a ';
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explain select count(*) from t1 where v like 'a%';
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explain select count(*) from t1 where v between 'a' and 'a ';
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explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
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--error 1062
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alter table t1 add unique(v);
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alter table t1 add key(v);
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select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a';
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explain select * from t1 where v='a';
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# GROUP BY
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select v,count(*) from t1 group by v limit 10;
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select v,count(t) from t1 group by v limit 10;
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select v,count(c) from t1 group by v limit 10;
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select sql_big_result v,count(t) from t1 group by v limit 10;
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select sql_big_result v,count(c) from t1 group by v limit 10;
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select c,count(*) from t1 group by c limit 10;
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select c,count(t) from t1 group by c limit 10;
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select sql_big_result c,count(t) from t1 group by c limit 10;
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select t,count(*) from t1 group by t limit 10;
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select t,count(t) from t1 group by t limit 10;
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select sql_big_result t,count(t) from t1 group by t limit 10;
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drop table t1;
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#
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# Test unique keys
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#
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create table t1 (a char(10), unique (a));
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insert into t1 values ('a ');
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--error 1062
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insert into t1 values ('a ');
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alter table t1 modify a varchar(10);
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--error 1062
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insert into t1 values ('a '),('a '),('a '),('a ');
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--error 1062
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insert into t1 values ('a ');
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--error 1062
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insert into t1 values ('a ');
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--error 1062
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insert into t1 values ('a ');
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update t1 set a='a ' where a like 'a%';
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select concat(a,'.') from t1;
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update t1 set a='abc ' where a like 'a ';
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select concat(a,'.') from t1;
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update t1 set a='a ' where a like 'a %';
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select concat(a,'.') from t1;
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update t1 set a='a ' where a like 'a ';
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select concat(a,'.') from t1;
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drop table t1;
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#
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# test show create table
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#
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create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5)));
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show create table t1;
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drop table t1;
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create table t1 (v char(10) character set utf8);
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show create table t1;
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drop table t1;
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create table t1 (v varchar(10), c char(10)) row_format=fixed;
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show create table t1;
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insert into t1 values('a','a'),('a ','a ');
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select concat('*',v,'*',c,'*') from t1;
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drop table t1;
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#
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# Test long varchars
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#
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create table t1 (v varchar(65530), key(v(10)));
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insert into t1 values(repeat('a',65530));
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select length(v) from t1 where v=repeat('a',65530);
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drop table t1;
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#
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# Some errors/warnings on create
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#
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create table t1 (v varchar(65530), key(v));
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drop table if exists t1;
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create table t1 (v varchar(65536));
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show create table t1;
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drop table t1;
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create table t1 (v varchar(65530) character set utf8);
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show create table t1;
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drop table t1;
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