Reading exchange messages

You can update exchange node data from the exchange plan node form or from the exchange plan node list form (in the latter case you have to select a node first) using the All actions - Read changes command.

In the Number of data elements processed in a single transaction box, specify the maximum number of data elements. If the number of data elements in a change exceeds this limit, the read procedure is performed multiple times. If you set this value to 0, all data is processed within a single transaction.
This is the recommended mode because it guarantees the consistency of data stored in the database. However, reading a message in the multiuser mode can cause lock conflicts between the transaction that reads data from the message and stores it to the database and the transactions initiated by other users. Also note that a transaction that is processing a large amount of data can take a long time, or an error can occur during the transaction, especially if the infobase is running in the file mode. Setting a value greater than 0 helps to avoid such problems. Reducing the value reduces the chance of lock conflict but increases the chance of recording inconsistent data to the database.

To start reading the changes, click the Select file and read changes button. This opens the standard file selection dialog box.
Select the file with data changes that was generated by the "write changes" operation performed in another exchange plan node.

Once you select a file, the system reads the data elements from the message and writes them to the data element database.

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