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CREATE TABLE Fooey(SomeInteger INTEGER PRIMARY KEY) STRICT;

INSERT INTO Fooey(SomeINteger) VALUES (NULL);

INSERT INTO Fooey(SomeINteger) VALUES (NULL);

select * from fooey;
SomeInteger
1
2
INSERT INTO Fooey(SomeInteger) VALUES (33);

INSERT INTO Fooey(SomeInteger) VALUES (44);

INSERT INTO Fooey(SomeInteger) VALUES (33);
{
  "code": "SQLITE_CONSTRAINT_PRIMARYKEY"
}
select * from fooey;
SomeInteger
1
2
33
44