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# MDEV-371 Unique indexes for blobs
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create table t1(a blob , unique(a) using hash);
--query_vertical show keys from t1;
drop table t1;

--error ER_TOO_LONG_KEY
create table t1(a blob , unique(a) using btree);

create table t1(a int , unique(a) using hash);
--query_vertical show keys from t1;
drop table t1;

create table t1(a int ,b int , c int,  unique(a, b, c) using hash);
show keys from t1;
insert into t1 values(1,1,1);
--error ER_DUP_ENTRY
insert into t1 values(1,1,1);
drop table t1;

create table t1(a int ,b int , c int,  unique(a, b, c) using hash) engine=memory;
show keys from t1;
insert into t1 values(1,1,1);
--error ER_DUP_ENTRY
insert into t1 values(1,1,1);
drop table t1;