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--disable_warnings
drop table if exists t1, t2;
--enable_warnings
create table t1 (v varchar(30), c char(3), e enum('abc','def','ghi'), t text);
show create table t1;
insert into t1 values ('abc', 'de', 'ghi', 'jkl');
insert into t1 values ('abc ', 'de ', 'ghi', 'jkl ');
insert into t1 values ('abc ', 'd ', 'ghi', 'jkl ');
select length(v),length(c),length(e),length(t) from t1;
drop table t1;
create table t1 (v varchar(20)) charset latin1;
insert into t1 values('a ');
select v='a' from t1;
select binary v='a' from t1;
select binary v='a ' from t1;
insert into t1 values('a');
--error ER_DUP_ENTRY
alter table t1 add primary key (v);
drop table t1;
create table t1 (v varbinary(20));
insert into t1 values('a');
insert into t1 values('a ');
alter table t1 add primary key (v);
drop table t1;
#
# Test with varchar of lengths 254,255,256,258 & 258 to ensure we do not
# have any problems with varchar with one or two byte length_bytes
#
create table t1 (v varchar(254), index (v)) charset latin1;
insert into t1 values ("This is a test ");
insert into t1 values ("Some sample data");
insert into t1 values (" garbage ");
insert into t1 values (" This is a test ");
insert into t1 values ("This is a test");
insert into t1 values ("Hello world");
insert into t1 values ("Foo bar");
insert into t1 values ("This is a test");
insert into t1 values ("MySQL varchar test");
insert into t1 values ("test MySQL varchar");
insert into t1 values ("This is a long string to have some random length data included");
insert into t1 values ("Short string");
insert into t1 values ("VSS");
insert into t1 values ("Some samples");
insert into t1 values ("Bar foo");
insert into t1 values ("Bye");
let $i= 255;
let $j= 5;
while ($j)
{
ANALYZE TABLE t1;
select * from t1 where v like 'This is a test' order by v;
select * from t1 where v='This is a test' order by v;
select * from t1 where v like 'S%' order by v;
explain select * from t1 where v like 'This is a test' order by v;
--echo Helper line 1 for --skip_if_hypergraph diffing
explain select * from t1 where v='This is a test' order by v;
--echo Helper line 2 for --skip_if_hypergraph diffing
explain select * from t1 where v like 'S%' order by v;
eval alter table t1 change v v varchar($i);
inc $i;
dec $j;
}
let $i= 258;
let $j= 6;
while ($j)
{
ANALYZE TABLE t1;
select * from t1 where v like 'This is a test' order by v;
select * from t1 where v='This is a test' order by v;
select * from t1 where v like 'S%' order by v;
explain select * from t1 where v like 'This is a test' order by v;
--echo Helper line 3 for --skip_if_hypergraph diffing
explain select * from t1 where v='This is a test' order by v;
--echo Helper line 4 for --skip_if_hypergraph diffing
explain select * from t1 where v like 'S%' order by v;
eval alter table t1 change v v varchar($i);
dec $i;
dec $j;
}
alter table t1 change v v varchar(254), drop key v;
# Test with length(varchar) > 256 and key < 256 (to ensure things works with
# different kind of packing
alter table t1 change v v varchar(300), add key (v(10));
select * from t1 where v like 'This is a test' order by v;
select * from t1 where v='This is a test' order by v;
select * from t1 where v like 'S%' order by v;
explain select * from t1 where v like 'This is a test' order by v;
--echo Helper line 5 for --skip_if_hypergraph diffing
explain select * from t1 where v='This is a test' order by v;
--echo Helper line 6 for --skip_if_hypergraph diffing
explain select * from t1 where v like 'S%' order by v;
drop table t1;
#
# bug#9339 - meaningless Field_varstring::get_key_image
#
create table t1 (pkcol varchar(16), othercol varchar(16), primary key (pkcol));
insert into t1 values ('test', 'something');
update t1 set othercol='somethingelse' where pkcol='test';
select * from t1;
drop table t1;
#
# Bug #9489: problems with key handling
#
create table t1 (a int, b varchar(12));
insert into t1 values (1, 'A'), (22, NULL);
create table t2 (a int);
insert into t2 values (22), (22);
select t1.a, t1.b, min(t1.b) from t1 inner join t2 ON t2.a = t1.a
group by t1.b, t1.a;
drop table t1, t2;
#
# Bug #10543: convert varchar with index to text
#
create table t1 (f1 varchar(65500)) charset latin1;
create index index1 on t1(f1(10));
show create table t1;
alter table t1 modify f1 varchar(255);
show create table t1;
alter table t1 modify f1 tinytext;
show create table t1;
drop table t1;
#
# BUG#15588: String overrun
#
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1(f1 VARCHAR(100) DEFAULT 'test');
INSERT INTO t1 VALUES(SUBSTR(f1, 1, 3));
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(f1 CHAR(100) DEFAULT 'test');
INSERT INTO t1 VALUES(SUBSTR(f1, 1, 3));
DROP TABLE IF EXISTS t1;
#
# Bug #11927: Warnings shown for CAST( chr as signed) but not (chr + 0)
#
CREATE TABLE t1 (a CHAR(2));
INSERT INTO t1 VALUES (10), (50), (30), ('1a'), (60), ('t');
SELECT a,(a + 0) FROM t1 ORDER BY a;
SELECT a,(a DIV 2) FROM t1 ORDER BY a;
SELECT a,CAST(a AS SIGNED) FROM t1 ORDER BY a;
DROP TABLE t1;
#
# Bug #28299: To-number conversion warnings work differenly with CHAR
# and VARCHAR sp variables
#
# * Verify that 'Truncated incorrect DOUBLE value' is shown for 's'
# when using both CHAR and VARCHAR.
#
CREATE TABLE t1 (a VARCHAR(16));
INSERT INTO t1 VALUES ('5'), ('s'), ('');
SELECT 5 = a FROM t1;
DROP TABLE t1;
CREATE TABLE t1 (a CHAR(16));
INSERT INTO t1 VALUES ('5'), ('s'), ('');
SELECT 5 = a FROM t1;
DROP TABLE t1;
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