Description of problem:
When running following query:
SELECT rowid FROM User;
against a foreign table like following:
CREATE FOREIGN TABLE "User" (

    rowid string OPTIONS (UPDATABLE FALSE, SEARCHABLE 'All_Except_Like'),

    name_age string OPTIONS (SEARCHABLE 'All_Except_Like', "teiid_accumulo:CF" 'name', "teiid_accumulo:CQ" 'age', "teiid_accumulo:VALUE-IN" '{VALUE}'),

    name_firstname string OPTIONS (SEARCHABLE 'All_Except_Like', "teiid_accumulo:CF" 'name', "teiid_accumulo:CQ" 'firstname', "teiid_accumulo:VALUE-IN" '{VALUE}'),

    name_lastname string OPTIONS (SEARCHABLE 'All_Except_Like', "teiid_accumulo:CF" 'name', "teiid_accumulo:CQ" 'lastname', "teiid_accumulo:VALUE-IN" '{VALUE}'),

    CONSTRAINT PK0 PRIMARY KEY(rowid)

) OPTIONS (UPDATABLE TRUE);

An empty result-set is returned.
See linked JIRA.