-- Document the current aliased SQL LATERAL limitation and guard the remote -- scan boundary. DataFusion's DecorrelateLateralJoin does not currently match -- the SubqueryAlias(Subquery) shape produced by `LATERAL (...) d`, so this query -- is still expected to fail physical planning with an outer_ref expression. The -- important regression assertion is that the remaining outer_ref predicate must -- NOT be advertised as a remote TableScan.partial_filters predicate. CREATE TABLE lateral_fact ( ts TIMESTAMP(3) TIME INDEX, k STRING, val DOUBLE, PRIMARY KEY (k) ) ENGINE = mito; CREATE TABLE lateral_dim ( ts TIMESTAMP(3) TIME INDEX, k STRING, threshold DOUBLE, PRIMARY KEY (k) ) ENGINE = mito; INSERT INTO lateral_fact VALUES ('2024-01-30 00:00:00', 'a', 10.0), ('2024-01-30 01:00:00', 'b', 20.0); INSERT INTO lateral_dim VALUES ('2024-01-30 00:00:00', 'a', 5.0), ('2024-01-30 01:00:00', 'b', 25.0); ADMIN FLUSH_TABLE('lateral_fact'); ADMIN FLUSH_TABLE('lateral_dim'); -- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED -- SQLNESS REPLACE (peers.*) REDACTED EXPLAIN SELECT f.k, d.threshold FROM lateral_fact f, LATERAL ( SELECT threshold FROM lateral_dim d WHERE d.k = f.k ) d WHERE f.val > d.threshold ORDER BY f.k; DROP TABLE lateral_fact; DROP TABLE lateral_dim;