self referential foreign key is case sensitive

[jycor]

For some reason, dolt's foreign key constraints don't work when columns are capitalized.
This doesn't happen in MySQL

create table t (i int primary key, j int);
alter table t add foreign key (j) references t(i);
insert into t values (1, 1); -- passes
insert into t values (2, 3); -- should error, and does

create table t (i int primary key, J int);
alter table t add foreign key (J) references t(i);
insert into t values (1, 1); -- passes
insert into t values (2, 3); -- should error, but doesn't