I was opening the analysis_server project, which is part of Dart SDK, using IntelliJ, with Flutter plugin enabled (but no Flutter SDK defined), since it is a Dart ...
SELECT map_subset(c0, c1) FROM ( VALUES ( MAP(ARRAY[ARRAY[1, 2]], ARRAY[1]), ARRAY[ARRAY[1, NULL], ARRAY[2, NULL]] ) ) t(c0, c1); returns "ARRAY comparison not ...