system.db.closeTransaction

This function is used in Python Scripting.

Description

Closes the transaction with the given ID. You must commit or rollback the transaction before you close it. Closing the transaction will return its database connection to the pool. The transaction ID will no longer be valid.

Client Permission Restrictions

This scripting function has Client Permission restrictions.

Syntax

system.db.closeTransaction(tx)

Parameters

Type	Parameter	Description
String	tx	The transaction ID.

Returns

Nothing

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)
status=2
   
for machineId in range(8):
   system.db.runPrepUpdate("UPDATE MachineStatus SET status=? WHERE ID=?",
      args=[status, machineId], tx=txId)
   
system.db.commitTransaction(txId)
system.db.closeTransaction(txId)