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excludeOlder Versions|Additional Resources|Related Links|Related Information

Snap type:

Write

Description:

This Snap executes a SQL delete with the given properties.

Prerequisites:

[None]

Support and limitations:

Works in Ultra Task Pipelines.

Account: 

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


Views:


InputThis Snap has exactly one document input view.
OutputThis Snap has at most one document output view.
ErrorThis Snap has at most one document error view and produces zero or more documents in the view.


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. Selecting a schema filters the Table name list to show only those tables within the selected schema.

Note

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


Table name

Required. Table name to execute the delete on.

Note

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


Delete Condition (Truncates Table if emptycondition (deletes all records from table if left blank)


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.
Enter in the where clause of the delete statement. Document field values can be substituted into the where clause by providing the path. For example, $person.firstname would insert the field 'firstname' from the 'person' object into the query (firstname == $person.firstname would become firstname == 'Joe' if $person.firstname evaluates to 'Joe'). 

Note

Specify a valid WHERE clause for the delete condition. If you leave this field blank, the Snap truncates deletes all the records from the table.

An example of a delete statement can be seen here. 

Examples: 

Without using expressions

Using expressions

  • "EMPNO=$EMPNO and ENAME=$EMPNAME"

  • email = $email 

  • emp=$emp

  • "emp='" + $emp + "'"

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


Warning
titleCaution

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. 

Default value:  [None] 

Number of retries

Specifies the maximum number of attempts to be made to receive a response. The request is terminated if the attempts do not result in a response.

Example: 3

Default value: 0

Retry interval (seconds)

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

Example:  10

Default value: 1

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PostgreSQL Snap Pack
PostgreSQL Snap Pack
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