| explain |
| ------------------------------- |
| SCAN(0) on default.nation |
| => filter: (default.nation.n_regionkey (INT4) = 1 AND (default.nation.n_name (TEXT) IS NOT NULL OR default.nation.n_comment (TEXT) IS NOT NULL)) |
| => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4) |
| => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)} |
| => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)} |