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## Summary Postgres columns can be - [generated as identity](https://www.postgresqltutorial.com/postgresql-tutorial/postgresql-identity-column/) - [generated by a custom expression](https://www.postgresql.org/docs/current/ddl-generated-columns.html) In these 2 cases, the column is not required when inserting a new row. This PR makes sure these types of column are not marked required in n8n. ### How to test 1. Create a Postgres table with all types of generated columns: for version >= 10 ```sql CREATE TABLE "public"."test_table" ( "id" int8 NOT NULL DEFAULT nextval('test_table_id_seq'::regclass), "identity_id" bigint GENERATED ALWAYS AS IDENTITY, "id_plus" numeric GENERATED ALWAYS AS (id + 5) STORED, "title" varchar NOT NULL, "created_at" timestamp DEFAULT now(), PRIMARY KEY ("id") ) ``` Before 10 you have to use serial or bigserial types: ```sql CREATE TABLE distributors ( did serial not null primary key, name varchar(40) NOT NULL CHECK (name <> '') ); ``` 2. Add a postgres node to canvas and try to insert data without the generated columns 3. Should successfully insert More info in Linear/Github issue ⬇️ ## Related tickets and issues - fixes #7084 - https://linear.app/n8n/issue/NODE-816/rmc-not-all-id-fields-should-be-required - https://linear.app/n8n/issue/NODE-681/postgres-cant-map-automatically-if-database-requires-a-field ## Review / Merge checklist - [ ] PR title and summary are descriptive. **Remember, the title automatically goes into the changelog. Use `(no-changelog)` otherwise.** ([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md)) - [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up ticket created. - [ ] Tests included. > A bug is not considered fixed, unless a test is added to prevent it from happening again. > A feature is not complete without tests. --------- Co-authored-by: Michael Kret <michael.k@radency.com> |
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