But for some reason my query saying constraint doesn't exist (when it does). After all, this is a consequence of PostgreSQL’s multi-version concurrency control (MVCC). insert into table_b (pk_b, b) select pk_a,a from table_a on conflict (pk_b) do update set b=excluded.b; Added support for PostgreSQL ON CONFLICT .. ON CONSTRAINT .. ON CONSTRAINT .. lukaseder added a commit that referenced this issue Dec 18, 2017 PostgreSQL 9.5: Insert IF not Exists, Update IF Exists (Insert ON CONFLICT option) PostgreSQL 9.4: Using FILTER CLAUSE, multiple COUNT(*) in one SELECT Query for Different Groups PostgreSQL: Allow single NULL for UNIQUE Constraint Column The problems are 'UNIQUE' near collum and in constraint? 1. DO NOTHING avoids the constraint violation, without touching the pre-existing row. 0. update value in row based on value in another row. BUG #16714: INSERT ON CONFLICT DO UPDATE fails to infer constraint if it's not at top-level partition The following bug has been logged on the website: Bug reference: 16714 Logged by: Andy S Email address: [hidden email] PostgreSQL version: 11.2 Operating system: Gentoo Linux … I'm trying to use new Postgresql 9.5 upsert feature. When checking constraints, PostgreSQL also checks rows that would normally not be visible to the current transaction. 0. FOREIGN Key − Constrains data based on columns in other tables. i add the constraint after, because the 'ON CONFLICT' can't take multiple collums, ... Postgres multiple joins slow query, how to store default child record. Please check if it is defined correctly and try using the constraint name directly:... on conflict on constraint
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