PREPARE TRANSACTION prepares the current transaction for two-phase commit. After this command, the transaction is no longer associated with the current session.
Jan 28, 2020 · A prepared transaction is a session independent, crash resistant, state maintained transaction. The state of the transaction is stored on disk ...
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Aug 20, 2015 · Yes. PREPARE TRANSACTION is used to initiate a two-phase transaction, which is generally used if you want to commit atomically to two ...
Feb 26, 2021 · A mechanism that monitors the prepared transactions in your database and takes appropriate action if they are kept open too long.
Prepared transactions are used to implement “distributed transactions”. Distributed transactions are transactions that affect more than one data source.
The view pg_prepared_xacts displays information about transactions that are currently prepared for two-phase commit (see PREPARE TRANSACTION for details).
During two-phase commit, a distributed transaction is first prepared with the PREPARE statement and then committed with the COMMIT PREPARED statement. Once ...
Jan 2, 2024 · Understanding Prepared Transactions. In PostgreSQL, a prepared transaction refers to a transaction that has been prepared for two-phase commit.
May 25, 2020 · Prepared transactions are Postgres' implementation of two-phase commit. The aim of this feature is to synchronize the commit of several transactions as though ...
The job of the durable_timestamp is to allow a prepared transaction to be predictably included or excluded from a checkpoint. For non-prepared transactions, the ...
