tVectorWiseRollback - 6.3

Talend Open Studio for Big Data Components Reference Guide

EnrichVersion
6.3
EnrichProdName
Talend Open Studio for Big Data
task
Data Governance
Data Quality and Preparation
Design and Development
EnrichPlatform
Talend Studio

Function

tVectorWiseRollback cancels transactions committed to the DB connected.

Purpose

This component prevents involuntary commits.

tVectorWiseRollback Properties

Component family

Databases/VectorWise

 

Basic settings

Component list

Select the tVectorWiseConnection component from the list if more than one connection is planned for the current job.

 

Close Connection

Clear this check box to continue to use the selected connection once the component has performed its task.

Advanced settings

tStatCatcher Statistics

Select this check box to collect log data at the component level.

Dynamic settings

Click the [+] button to add a row in the table and fill the Code field with a context variable to choose your database connection dynamically from multiple connections planned in your Job.

Once a dynamic parameter is defined, the Component List box in the Basic settings view becomes unusable.

For examples on using dynamic parameters, see Scenario 3: Reading data from MySQL databases through context-based dynamic connections and Scenario: Reading data from different MySQL databases using dynamically loaded connection parameters. For more information on Dynamic settings and context variables, see Talend Studio User Guide.

Usage

This component is more commonly used with other tVectorWise* components, especially with the tVectorWiseConnection and tVectorWiseCommit components.

Log4j

If you are using a subscription-based version of the Studio, the activity of this component can be logged using the log4j feature. For more information on this feature, see Talend Studio User Guide.

For more information on the log4j logging levels, see the Apache documentation at http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/Level.html.

Limitation

n/a

Related scenario

For a tVectorWiseRollback related scenario, see Scenario: Rollback from inserting data in mother/daughter tables.