Developer Transformation Guide

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Insert Else Update

Use the

Insert Else Update

property to update existing rows in the dynamic lookup cache when the row type is insert.

This property only applies to rows entering the Lookup transformation where the row type is insert. When a row of any other row type, such as update, enters the Lookup transformation, the

Insert Else Update

property has no effect on how the Integration Service handles the row.

When you select

Insert Else Update

and the row type entering the Lookup transformation is insert, the Integration Service inserts the row into the cache if it is new. If the row exists in the index cache but the data cache is different than the current row, the Integration Service updates the row in the data cache.

If you do not select

Insert Else Update

and the row type entering the Lookup transformation is insert, the Integration Service inserts the row into the cache if it is new, and makes no change to the cache if the row exists.

The following table describes how the Integration Service changes the lookup cache when the row type of the rows entering the Lookup transformation is insert:

Insert Else Update Option	Row Found in Cache	Data Cache is Different	Lookup Cache Result	NewLookupRow Value
Cleared - insert only	Yes	-	No change	0
Cleared - insert only	No	-	Insert	1
Selected	Yes	Yes	Update	2¹
Selected	Yes	No	No change	0
Selected	No	-	Insert	1

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Developer Transformation Guide

Developer Transformation Guide

Insert Else Update

Insert Else Update