String constraintName = constraintSource.name();
if ( constraintName == null ) {
// create a default name
}
UniqueKey uniqueKey = table.getOrCreateUniqueKey( constraintName );
for ( String columnName : constraintSource.columnNames() ) {
uniqueKey.addColumn( table.locateOrCreateColumn( quoteIdentifier( columnName ) ) );
}
}
}
}