PostgresDB 25003: Inappropriate Access Mode for Branch Transaction

Inappropriate access mode for a branch transaction.

When encountering the error "25003: Inappropriate Access Mode for Branch Transaction" in PostgreSQL, it signifies an attempt to execute a command that is not allowed in the current transaction mode. Immediate actions to take include:

  1. Identify the Current Transaction Mode:Run the command to check if you're in a transaction block and its isolation level:
  2. SHOW TRANSACTION ISOLATION LEVEL;
  3. Check Active Transactions:Identify any active transactions that may be causing the issue:
  4. SELECT * FROM pg_stat_activity WHERE state = 'active';
  5. Review Recent Commands:Review the commands executed just before the error occurred to identify commands that might not be allowed within the current transaction scope, such as DDL commands within a prepared transaction.
  6. End the Current Transaction:If you're stuck in a transaction block that’s causing the error, try to safely exit the transaction:
  7. ROLLBACK;
  8. Or, if the operations performed are all permissible and you want to commit them:
  9. COMMIT;
  10. Adjust Transaction Mode If Necessary:If the operation you're trying to perform requires a different transaction mode, adjust it accordingly at the beginning of your transaction:
  11. BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE; -- Or another appropriate level
  12. Ensure Appropriate Use of Prepared Transactions:If using prepared transactions, verify their correct usage. To check for prepared transactions:
  13. SELECT * FROM pg_prepared_xacts;
  14. Ensure that there are no conflicts or inappropriate usage patterns with them.

Perform these steps to identify and potentially resolve the issue without requiring a database administrator.

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