public int getMaxColumnsInIndex() throws SQLException { return getMaxIndexKeys(); }
+ " pg_catalog.pg_namespace fkn, pg_catalog.pg_class fkc, pg_catalog.pg_attribute fka, " + " pg_catalog.pg_constraint con, " + " pg_catalog.generate_series(1, " + getMaxIndexKeys() + ") pos(n), " + " pg_catalog.pg_class pkic";