tPostgresPlusSCDELT
Addresses Slowly Changing Dimension needs through SQL queries (server-side
processing mode), and logs the changes into a dedicated PostgresPlus SCD table.
The tPostgresPlusSCDELT reflects and tracks changes in a dedicated Oracle SCD
table.
tPostgresPlusSCDELT Standard properties
These properties are used to configure tPostgresPlusSCDELT running in the Standard Job framework.
The Standard
tPostgresPlusSCDELT component belongs to the Business Intelligence and the Databases families.
The component in this framework is available in all Talend
products.
connector. The properties related to database settings vary depending on your database
type selection. For more information about dynamic database connectors, see Dynamic database components.
Basic settings
Database |
Select a type of database from the list and click |
Property type |
Either Built-in or Repository. |
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Built-in: No property data stored |
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Repository: Select the repository |
Use an existing connection |
Select this check box and in the Component List click the relevant connection component to Note: When a Job contains the parent Job and the child Job, if you
need to share an existing connection between the two levels, for example, to share the connection created by the parent Job with the child Job, you have to:
For an example about how to share a database connection |
DB Version |
List of database versions. |
Host |
The IP address of the database server. |
Port |
Listening port number of database server. |
Database |
Name of the database. |
Schema |
Exact name of the schema |
Username and |
User authentication data for a dedicated database. To enter the password, click the […] button next to the |
Source table |
Name of the input DB2 SCD table. |
Table |
Name of the table to be written. Note that only one table can be |
Action on table |
Select to perform one of the following operations on the table
None: No action carried out on the
Drop and create table: The table is
Create table: A new table gets
Create table if not exists: A table
Clear table: The table content is
Truncate table: The table content |
Schema and Edit |
A schema is a row description. It defines the number of fields Click Edit
|
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Built-in: The schema is created |
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Repository: The schema already |
Surrogate Key |
Select the surrogate key column from the list. |
Creation |
Select the method to be used for the surrogate key For more information regarding the creation methods, see SCD management methodology. |
Source Keys |
Select one or more columns to be used as keys, to ensure the |
Use SCD Type 1 fields |
Use type 1 if tracking changes is not necessary. SCD Type 1 should |
Use SCD Type 2 fields |
Use type 2 if changes need to be tracked down. SCD Type 2 should |
SCD type 2 fields |
Click the [+] button to add as many rows as needed, each row for a column. Click This table is available only when the Use SCD type 2 fields |
Start date |
Specify the column that holds the start date for This list is available only when the Use SCD type 2 fields |
End date |
Specify the column that holds the end date for type This list is available only when the Use SCD type 2 fields Note: To avoid duplicated change records, it is recommended to
select a column that can identify each change for this field. |
Log active status |
Select this check box and from the This option is available only when the Use SCD type 2 fields |
Log versions |
Select this check box and from the Version field drop-down list displayed, select the column This option is available only when the Use SCD type 2 fields |
Advanced settings
Additional JDBC Parameters |
Specify additional JDBC parameters for the This property is not available when the Use an existing connection |
Debug mode |
Select this check box to display each step during processing |
tStatCatcher Statistics |
Select this check box to collect log data at the component |
Global Variables
Global Variables |
ERROR_MESSAGE: the error message generated by the A Flow variable functions during the execution of a component while an After variable To fill up a field or expression with a variable, press Ctrl + For further information about variables, see |
Usage
Usage rule |
This component is used as an output component. It requires an |
Dynamic settings |
Click the [+] button to add a row in the table The Dynamic settings table is For examples on using dynamic parameters, see Reading data from databases through context-based dynamic connections and Reading data from different MySQL databases using dynamically loaded connection parameters. For more information on Dynamic |