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Merge with new VARCHAR code
This commit is contained in:
monty@mysql.com
@@ -3,7 +3,7 @@
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#
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--disable_warnings
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drop table if exists t1;
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drop table if exists t1,t2,t3;
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--enable_warnings
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create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100;
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@@ -195,3 +195,214 @@ delete from t1 where a is null;
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insert into t1 values ('2'), ('3');
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select * from t1;
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drop table t1;
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#
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# Test varchar
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# We can't use varchar.inc becasue heap doesn't support blob's
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#
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let $default=`select @@storage_engine`;
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set storage_engine=HEAP;
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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 varchar(50));
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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 varchar(50), 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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update t1 set a='a ' where a like 'a ';
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drop table t1;
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#
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# Testing of btree keys
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#
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create table t1 (v varchar(10), c char(10), t varchar(50), key using btree (v), key using btree (c), key using btree (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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--replace_column 9 #
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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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--replace_column 9 #
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explain select count(*) from t1 where v='a ';
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--replace_column 9 #
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explain select count(*) from t1 where c='a ';
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--replace_column 9 #
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explain select count(*) from t1 where t='a ';
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--replace_column 9 #
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explain select count(*) from t1 where v like 'a%';
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--replace_column 9 #
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explain select count(*) from t1 where v between 'a' and 'a ';
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--replace_column 9 #
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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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drop table t1;
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#
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# Test unique btree keys
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#
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create table t1 (a char(10), unique using btree (a)) engine=heap;
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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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update t1 set a='a ' where a like 'a ';
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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 varchar(50), 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 varchar(65530), key(v(10)));
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show create table t1;
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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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# Reset varchar test
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#
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eval set storage_engine=$default;
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