SAP HANA - Delete

Snap type:

Write

Description:

This Snap allows you to execute an SQL delete with the given properties.

If a SELECT query is executed, the query's results are merged into the incoming document and any existing keys will have their values overwritten. On the other hand, the original document is written if there are no results from the query.

Expected upstream Snaps: The dynamic variables used in the execute query can be defined by providing values upstream. The document generator Snaps like JSON Generator can be used upstream.
Expected downstream Snaps: The Snap will output one document for each execution of Snap with data about number of documents deleted, hence any document processing Snap can be used downstream.

Prerequisites:

[None]

Support and limitations:

Ultra pipelines: May work in Ultra Pipelines.
MapReduce mode: Not supported in SnapReduce.
Spark mode: Not supported in Spark mode.

Account:

This Snap uses account references created on the Accounts page of SnapLogic Manager to handle access to this endpoint. See SAP HANA Account for information on setting up this type of account.

Views:

Input	This Snap has exactly one document input view. If the input view is defined, then the where clause can substitute incoming values for a given expression.
Output	This Snap has at most one document output view. If an output view is available, then the original document that was used to create the statement will be output with the status of the delete executed.
Error	This Snap has at most one document error view and produces zero or more documents in the view. Database Write Snaps output all records of a batch (as configured in your account settings) to the error view if the write fails during batch processing.

Settings

Label

Required.

The name for the Snap. You can modify this to be more specific, especially if you have more than one of the same Snap in your pipeline.

Schema name

The database schema name. In case it is not defined, then the suggestion for the table name will retrieve all tables names of all schemas. The property is suggest-able and will retrieve available database schemas during suggest values.

Example: myschema

Default value: [None]

Table name

Required.

Table name to execute the delete on.

Example: people

Default value: [None]

Delete condition

Required.

SQL where clause of the delete statement.

Example: email = "customer@gmail.com"

Default value: [None]

Execute during preview

Enables you to execute the Snap during the Save operation so that the output view can produce the preview data.

Default value: Not selected

Examples

This example deletes the records from table 'USER'. After the execution of the pipeline, all the user records with age 52 are deleted from the table.

The delete condition specifies the condition to identify the records to be deleted.

The sample output of the Snap looks like below: