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Table of Contents
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excludeOlder Versions|Additional Resources|Related Links|Related Information

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Snap type:

Write

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Description:

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Overview

You can use this Snap to execute a SQL delete

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as per the

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configured properties.

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None

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Oracle JDBC Driver Upgrade

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Snap Type

The Oracle Delete Snap is a WRITE-type Snap.

Support for Ultra Pipelines  

Works in Ultra Pipelines.

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

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This Snap has exactly one document input view.

Note

This Snap is not meant to be standalone. Executing it without input data will not do anything.

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Snap Views

Type

Format

Number of Views

Examples of Upstream and Downstream Snaps

Description

Input 

Document


  • Min: 0

  • Max: 1

  • Mapper

  • Copy

The records to be deleted.

Output

Document


  • Min: 0

  • Max: 1

NA

This Snap has at most one document output view. If an output view is available, then the original document

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Settings

Label

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used to create the statement will be output with the status of the delete executed.

Error

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Error handling is a generic way to handle errors without losing data or failing the Snap execution. You can handle the errors that the Snap might encounter when running the Pipeline by choosing one of the following options from the When errors occur list under the Views tab:

  • Stop Pipeline Execution: Stops the current pipeline execution when the Snap encounters an error.

  • Discard Error Data and Continue: Ignores the error, discards that record, and continues with the remaining records.

  • Route Error Data to Error View: Routes the error data to an error view without stopping the Snap execution.

Learn more about Error handling in Pipelines.


Field Name

Field Type

Description

Label

Default Value: Oracle Delete
Example: Delete contract emps

String

Specify 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

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Default Value: N/A
ExampleSYS

String/Expression/Suggestion

Specify the database schema name.

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If it is not defined, then the suggestion for the Table Name

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 retrieves all

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table names of all

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schemas

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.

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The values can be passed using the pipeline parameters but not the upstream parameter.

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Table name*


Default

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Value:  

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N/A
Example: people

String/Expression/Suggestion

Specify the table name to execute the delete

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statement.

Note

The values can be passed using the pipeline parameters but not the upstream parameter.

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Delete condition (deletes all records from table if left blank)


Default value:  N/A

Examples:

Without using expressions

Using expressions

  • "EMPNO=$EMPNO and ENAME=$EMPNAME"

  • email = $email 

  • emp=$emp

  • "emp='" + $emp + "'"

  • "EMPNO=" + $EMPNO + " and ENAME='" + $EMPNAME+ "'"

String/Expression

This is an expression property to specify the SQL WHERE clause of the delete statement. The delete condition may also be passed via an upstream Snap or through the pipeline parameters.

Note

Specify a valid WHERE clause for the delete condition. If you leave this field blank, the Snap

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deletes all the records from the table.

Examples

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Default value:  [None]

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Warning

Caution

Using expressions that join strings together to create SQL queries or conditions has a potential SQL injection risk and is hence unsafe. Ensure that you understand all implications and risks involved before using concatenation of strings with '=' Expression enabled.


Number of retries

Default value: 0
Example: 3

Integer/Expression

Specify the maximum number of attempts to

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make to receive a response. The request is terminated if the attempts do not result in a response.

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Example: 3

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Retry interval (seconds)

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Default Value: 1
Example:  10

Integer/Expression

Specify the time interval between two successive retry requests. A retry happens only when the previous attempt resulted in an exception.

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Default value: 1


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Default Value: Execute only
Example: Validate & Execute


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Examples

Following are the two examples, the first one using a conditional update of one of the values that then gets merged into the data using the Oracle - Merge Snap. The second one will showcase error handling.

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title1. using a conditional update of one of the values that then gets merged into the data using the Oracle - Merge Snap

Delete student records

The following example pipeline demonstrates how to delete all the student records that have the same scores as Adam's. In this example, we have a table named STUDENT that stores students' scores. It has 3 columns:

  • ID

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  • NAME

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  • SCORE

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Configure the Oracle - Select Snap

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to find the row whose NAME is 'Adam', and pass the row's data to Oracle - Delete Snap

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.

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Configure the

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Oracle—Delete Snap

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to delete all the rows

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with the same score as Adam's. We use $SCORE to retrieve the data

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from the SCORE Column passed from

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Oracle—Select Snap.

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Error Handling

This example

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pipeline demonstrates the error handling of the Snap.

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We use the same pipeline as the one in Example #1 and let error messages route to the error view:

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Configure the Oracle - Delete Snap to set the Delete condition

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to "Score = $NAME", which is supposed to cause a type mismatch error since column SCORE is of type NUMBER while column NAME is of type VARCHAR2:

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Here is the error message that is routed to error view:

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Downloads

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Attachments
patterns*.slp, *.zip


Snap Pack History

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