PostgreSQL INSERT

Research query: PostgreSQL INSERT · jobs: 1 · on-topic sources: 1 · review: Thin

Overview

Example assumes a unique index has been defined that constrains values appearing in the did column on a subset of rows where the is_active Boolean column evaluates to true: -- This statement could infer a partial unique index on "did" -- with a predicate of "WHERE is_active", but it could also -- just use a regular unique constraint on "did" INSERT INTO distributors (did, dname) VALUES (10, 'Conrad International') ON CONFLICT (did) WHERE is_active DO NOTHING; Compatibility INSERT conforms to the SQL standard, except that the RETURNING clause is a PostgreSQL extension, as is the ability to use WITH with INSERT, and the ability to specify an alternative action with ON CONFLICT. — PostgreSQL: Documentation: 16: INSERT (2026)

How to apply

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Deep look

Other

PostgreSQL: Documentation: 16: INSERT (2026)

PostgreSQL: Documentation: 16: INSERT October 15, 2026: PostgreSQL 19 RC 1 Released! (new this job) — source

For an identity column defined as GENERATED ALWAYS, it is an error to insert an explicit value (other than DEFAULT) without specifying either OVERRIDING SYSTEM VALUE or OVERRIDING USER VALUE. (For an identity column defined as GENERATED BY DEFAULT, OVERRIDING SYSTEM VALUE is the normal behavior and specifying it does nothing, but PostgreSQL allows it as an extension.) OVERRIDING USER VALUE If this clause is specified, then any values supplied for identity columns are ignored and the default sequence-generated values are applied. (new this job) — source

Example assumes a unique index has been defined that constrains values appearing in the did column on a subset of rows where the is_active Boolean column evaluates to true: -- This statement could infer a partial unique index on "did" -- with a predicate of "WHERE is_active", but it could also -- just use a regular unique constraint on "did" INSERT INTO distributors (did, dname) VALUES (10, 'Conrad International') ON CONFLICT (did) WHERE is_active DO NOTHING; Compatibility INSERT conforms to the SQL standard, except that the RETURNING clause is a PostgreSQL extension, as is the ability to use WITH with INSERT, and the ability to specify an alternative action with ON CONFLICT. (new this job) — source

Review

Status Thin. Verified claims 3. On-topic sources 1 (reused 0). Dropped 0 collector hit(s) and 0 off-topic local claim(s). Conflicts 0. Coverage: postgresql, insert.

Map

Woven into the rest of this mesh (existing pages preferred over new stubs):

• PostgreSQL functions — shared label · topic overlap (weight 5)
• PostgreSQL JSON — shared label · topic overlap (weight 5)
• PostgreSQL UPDATE — shared label · topic overlap (weight 5)

Provenance

Sealed job 08e88f417b8dbc2521a022376f3899e3. Shards: agent.scout. Dropped 0 off-topic collector hit(s) and 0 off-topic local claim(s). Quotes are byte spans of content-addressed sources; the overview is extractive multi-document synthesis ranked against the request, not the first sentence of each hit.