This function is used in Python Scripting.


Performs a commit for the given transaction. This will make all statements executed against the transaction since its beginning or since the last commit or rollback take effect in the database. Until you commit a transaction, any changes that the transaction makes will not be visible to other connections.

Note:  If you are done with the transaction, you must close it after you commit it

Client Permission Restrictions

This scripting function has no Client Permission restrictions.



  • Parameters

String tx - The transaction ID.

  • Returns


  • Scope

Gateway, Vision Client, Perspective Session

Code Examples
Running a Query Using Query Transactions
# This example starts a transaction with a 5 second timeout against the project's default database, using the default isolation level. Then it executes a series of update calls, 
# and commits and closes the transaction.
txId = system.db.beginTransaction(timeout=5000)
for machineId in range(8):
   system.db.runPrepUpdate("UPDATE MachineStatus SET status=? WHERE ID=?",
      args=[status, machineId], tx=txId)

system db commitTransaction, db.commitTransaction