What is the right external type in EOModeler for an internal type integer ?

Hi,

I have an internal type 'integer' attribute in EOModeler and I tried
both smallint and integer as external types but EOModeler still says to
me that:

Unable to find type information for external type 'integer' in
attribute 'authorID' of entity 'Author'. Check spelling and
capitalization.

when I try to generate the "CREATE TABLE" SQL. Well, I tried
'Integer' and 'INTEGER' and "smallint" and "SMALLINT" without success.

Any good tips ?

János
P.S. char works like charm, but I really want integer there as primary
key.
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same in
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