1 files changed, 162 insertions, 0 deletions
diff --git a/mysql-test/include/varchar.inc b/mysql-test/include/varchar.inc
new file mode 100644
index 00000000000..6c9b62065c5
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+++ b/mysql-test/include/varchar.inc
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+# Initialise
+--disable_warnings
+drop table if exists t1,t2,t3;
+--enable_warnings
+
+disable_query_log;
+select "--- Testing varchar ---";
+enable_query_log;
+
+#
+# Simple basic test that endspace is saved
+#
+
+create table t1 (v varchar(10), c char(10), t text);
+insert into t1 values('+ ', '+ ', '+ ');
+set @a=repeat(' ',20);
+insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
+select concat('*',v,'*',c,'*',t,'*') from t1;
+
+# Check how columns are copied
+show create table t1;
+create table t2 like t1;
+show create table t2;
+create table t3 select * from t1;
+show create table t3;
+alter table t1 modify c varchar(10);
+show create table t1;
+alter table t1 modify v char(10);
+show create table t1;
+alter table t1 modify t varchar(10);
+show create table t1;
+select concat('*',v,'*',c,'*',t,'*') from t1;
+drop table t1,t2,t3;
+
+#
+# Testing of keys
+#
+create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10)));
+show create table t1;
+disable_query_log;
+let $1=10;
+while ($1)
+{
+  let $2=27;
+  eval set @space=repeat(' ',10-$1);
+  while ($2)
+  {
+    eval set @char=char(ascii('a')+$2-1);
+    insert into t1 values(concat(@char,@space),concat(@char,@space),concat(@char,@space));
+    dec $2;
+  }
+  dec $1;
+}
+enable_query_log;
+select count(*) from t1;
+insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
+select count(*) from t1 where v='a';
+select count(*) from t1 where c='a';
+select count(*) from t1 where t='a';
+select count(*) from t1 where v='a  ';
+select count(*) from t1 where c='a  ';
+select count(*) from t1 where t='a  ';
+select count(*) from t1 where v between 'a' and 'a ';
+select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
+select count(*) from t1 where v like 'a%';
+select count(*) from t1 where c like 'a%';
+select count(*) from t1 where t like 'a%';
+select count(*) from t1 where v like 'a %';
+explain select count(*) from t1 where v='a  ';
+explain select count(*) from t1 where c='a  ';
+explain select count(*) from t1 where t='a  ';
+explain select count(*) from t1 where v like 'a%';
+explain select count(*) from t1 where v between 'a' and 'a ';
+explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
+
+--error 1062
+alter table t1 add unique(v);
+alter table t1 add key(v);
+select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a';
+explain select * from t1 where v='a';
+
+# GROUP BY
+
+select v,count(*) from t1 group by v limit 10;
+select v,count(t) from t1 group by v limit 10;
+select v,count(c) from t1 group by v limit 10;
+select sql_big_result v,count(t) from t1 group by v limit 10;
+select sql_big_result v,count(c) from t1 group by v limit 10;
+select c,count(*) from t1 group by c limit 10;
+select c,count(t) from t1 group by c limit 10;
+select sql_big_result c,count(t) from t1 group by c limit 10;
+select t,count(*) from t1 group by t limit 10;
+select t,count(t) from t1 group by t limit 10;
+select sql_big_result t,count(t) from t1 group by t limit 10;
+drop table t1;
+
+#
+# Test unique keys
+#
+
+create table t1 (a char(10), unique (a));
+insert into t1 values ('a   ');
+--error 1062
+insert into t1 values ('a ');
+
+alter table t1 modify a varchar(10);
+--error 1062
+insert into t1 values ('a '),('a  '),('a   '),('a         ');
+--error 1062
+insert into t1 values ('a     ');
+--error 1062
+insert into t1 values ('a          ');
+--error 1062
+insert into t1 values ('a ');
+update t1 set a='a  ' where a like 'a%';
+select concat(a,'.') from t1;
+update t1 set a='abc    ' where a like 'a ';
+select concat(a,'.') from t1;
+update t1 set a='a      ' where a like 'a %';
+select concat(a,'.') from t1;
+update t1 set a='a  ' where a like 'a      ';
+select concat(a,'.') from t1;
+drop table t1;
+
+#
+# test show create table
+#
+
+create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5)));
+show create table t1;
+drop table t1;
+create table t1 (v char(10) character set utf8);
+show create table t1;
+drop table t1;
+
+create table t1 (v varchar(10), c char(10)) row_format=fixed;
+show create table t1;
+insert into t1 values('a','a'),('a ','a ');
+select concat('*',v,'*',c,'*') from t1;
+drop table t1;
+
+#
+# Test long varchars
+#
+
+create table t1 (v varchar(65530), key(v(10)));
+insert into t1 values(repeat('a',65530));
+select length(v) from t1 where v=repeat('a',65530);
+drop table t1;
+
+#
+# Some errors/warnings on create
+#
+
+create table t1 (v varchar(65530), key(v));
+drop table if exists t1;
+create table t1 (v varchar(65536));
+show create table t1;
+drop table t1;
+create table t1 (v varchar(65530) character set utf8);
+show create table t1;
+drop table t1;