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When ON_ERROR_ROLLBACK is enabled, psql releases a temporary savepoint if it's idle in a valid transaction block after executing a query. But psql doesn't do that after RELEASE or ROLLBACK is executed because a temporary savepoint has already been destroyed in that case. This commit changes psql's ON_ERROR_ROLLBACK so that it doesn't release a temporary savepoint also when COMMIT AND CHAIN is executed. A temporary savepoint doesn't need to be released in that case because COMMIT AND CHAIN also destroys any savepoints defined within the transaction to commit. Otherwise psql tries to release the savepoint that COMMIT AND CHAIN has already destroyed and cause an error "ERROR: savepoint "pg_psql_temporary_savepoint" does not exist". Back-patch to v12 where transaction chaining was added. Reported-by: Arthur Nascimento Author: Arthur Nascimento Reviewed-by: Fujii Masao, Vik Fearing Discussion: https://postgr.es/m/16867-3475744069228158@postgresql.org |
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