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45.58. pg_prepared_xactsThe view pg_prepared_xacts displays information about transactions that are currently prepared for two-phase commit (see PREPARE TRANSACTION for details). pg_prepared_xacts contains one row per prepared transaction. An entry is removed when the transaction is committed or rolled back. Table 45-59. pg_prepared_xacts Columns
When the pg_prepared_xacts view is accessed, the internal transaction manager data structures are momentarily locked, and a copy is made for the view to display. This ensures that the view produces a consistent set of results, while not blocking normal operations longer than necessary. Nonetheless there could be some impact on database performance if this view is frequently accessed. |
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