次の3つのクエリを見てみましょう。 TRUEと評価される条件がwhere節にアタッチされたときに行を返さない方法を理解できません。最初のクエリは条件がTRUEと評価されるため、2番目のクエリでUser1を取得すると予想されます。TRUEに評価された式はWHERE句に影響しません。
cr> select full_name, labels, not 'autogenerated' = ANY(labels), not 'autogenerated' = ANY(labels) or labels = [] from testdb_master_core_users;
+----------------+-------------------+-------------------------------------+--------------------------------------------------------+
| full_name | labels | (NOT 'autogenerated' = ANY(labels)) | ((NOT 'autogenerated' = ANY(labels)) OR (labels = [])) |
+----------------+-------------------+-------------------------------------+--------------------------------------------------------+
| User2 Lastname | ["otherlabel"] | TRUE | TRUE |
| User3 Lastname | ["autogenerated"] | FALSE | FALSE |
| User1 Lastname | [] | TRUE | TRUE |
+----------------+-------------------+-------------------------------------+--------------------------------------------------------+
SELECT 3 rows in set (0.003 sec)
cr> select full_name, labels, not 'autogenerated' = ANY(labels) from testdb_master_core_users where not 'autogenerated' = ANY(labels);
+----------------+----------------+-------------------------------------+
| full_name | labels | (NOT 'autogenerated' = ANY(labels)) |
+----------------+----------------+-------------------------------------+
| User2 Lastname | ["otherlabel"] | TRUE |
+----------------+----------------+-------------------------------------+
SELECT 1 row in set (0.002 sec)
cr> select full_name, labels, not 'autogenerated' = ANY(labels) from testdb_master_core_users where not 'autogenerated' = ANY(labels) or labels = [];
+----------------+----------------+-------------------------------------+
| full_name | labels | (NOT 'autogenerated' = ANY(labels)) |
+----------------+----------------+-------------------------------------+
| User2 Lastname | ["otherlabel"] | TRUE |
| User1 Lastname | [] | TRUE |
+----------------+----------------+-------------------------------------+
SELECT 2 rows in set (0.002 sec)
これに関連するチケットをGitHubに追加しました:https://github.com/crate/crate/issues/5132 –