tELTTeradataOutput Standard properties - 7.3

ELT Teradata

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Talend Documentation Team
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7.3
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Data Governance > Third-party systems > ELT components > ELT Teradata components
Data Quality and Preparation > Third-party systems > ELT components > ELT Teradata components
Design and Development > Third-party systems > ELT components > ELT Teradata components
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Talend Studio

These properties are used to configure tELTTeradataOutput running in the Standard Job framework.

The Standard tELTTeradataOutput component belongs to the ELT family.

The component in this framework is available in all Talend products.

Basic settings

Action on data

On the data of the table defined, you can perform the following operation:

Insert: Add new entries to the table. If duplicates are found, Job stops.

Update: Updates entries in the table.

Delete: Deletes the entries which correspond to the entry flow.

Schema and Edit schema

A schema is a row description. It defines the number of fields (columns) to be processed and passed on to the next component. When you create a Spark Job, avoid the reserved word line when naming the fields.

Click Edit schema to make changes to the schema. If the current schema is of the Repository type, three options are available:

  • View schema: choose this option to view the schema only.

  • Change to built-in property: choose this option to change the schema to Built-in for local changes.

  • Update repository connection: choose this option to change the schema stored in the repository and decide whether to propagate the changes to all the Jobs upon completion. If you just want to propagate the changes to the current Job, you can select No upon completion and choose this schema metadata again in the Repository Content window.

 

Built-in: The schema is created and stored locally for this component only. Related topic: see Talend Studio User Guide.

 

Repository: The schema already exists and is stored in the Repository, hence can be reused. Related topic: see Talend Studio User Guide.

Where clauses for (for UPDATE and DELETE only)

Enter a clause to filter the data to be updated or deleted during the update or delete operations.

Default Table Name

Enter a default name for the table, between double quotation marks.

Note that the table must exist already. If it does not exist, you can use tCreateTable to create one first. For more information about tCreateTable, see tCreateTable.

Table name from connection name is variable

Select this check box when the name of the connection to this component is set to a variable, such as a context variable.

Use different table name

Select this check box to enter a different output table name, between double quotation marks, in the Table name field which appears.

Mapping

Specify the metadata mapping file for the database to be used. The metadata mapping file is used for the data type conversion between database and Java. For more information about the metadata mapping, see the related documentation for Type mapping.
Note: You can use Hive mapping to support Databricks Delta Lake.

Advanced settings

Clause SET

Select the column names that will be used to generate the SET clauses.

SET clauses will not be generated for the columns that are not selected.

This field appears when Update is selected from the Action on data drop-down list in the Basic settings view.

tStatCatcher Statistics

Select this check box to gather the Job processing metadata at a Job level as well as at component level.

Global Variables

Global Variables

NB_LINE: the number of rows read by an input component or transferred to an output component. This is an After variable and it returns an integer.

NB_LINE_INSERTED: the number of rows inserted. This is an After variable and it returns an integer.

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl + Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio User Guide.

Usage

Usage rule

tELTTeradataOutput is to be used along with the tELTTeradataMap. Note that the Output link to be used with these components must correspond strictly to the syntax of the table name.

Note:

Note that the ELT components do not handle actual data flow but only schema information.

Limitation

Due to license incompatibility, one or more JARs required to use this component are not provided. You can install the missing JARs for this particular component by clicking the Install button on the Component tab view. You can also find out and add all missing JARs easily on the Modules tab in the Integration perspective of your studio. For details, see Installing external modules..