Table of Contents

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  1. Preface
  2. Introduction to PowerExchange for Google Cloud Spanner
  3. PowerExchange for Google Cloud Spanner Configuration
  4. Google Cloud Spanner Connections
  5. PowerExchange for Google Cloud Spanner Data Objects
  6. PowerExchange for Google Cloud Spanner Mappings
  7. Google Cloud Spanner Run-Time Processing
  8. Appendix A: Google Cloud Spanner Data Type Reference

PowerExchange for Google Cloud Spanner User Guide

PowerExchange for Google Cloud Spanner User Guide

Advanced Properties

Advanced Properties

Google Cloud Spanner data object write operation properties include advanced properties that apply to the Google Cloud Spanner data object.
The Developer tool displays advanced properties for the Google Cloud Spanner data object write operation in the
Advanced
tab.
You can configure the following advanced properties in the data object write operation:
Property
Description
UpdateMode
Determines the mode that the
Data Integration Service
uses to update rows in the Google Cloud Spanner target.
You can select one of the following modes:
  • Update As Update. The
    Data Integration Service
    updates all rows flagged for update in the Update Strategy transformation if the entries exist.
  • Update Else Insert. The
    Data Integration Service
    first updates all rows flagged for update in the Update Strategy transformation if the entries exist in the target. If the entries do not exist, the
    Data Integration Service
    inserts the entries.
Default is Update As Update.
Target DataBase
Optional. Overrides the Google Cloud Spanner database name specified in the Google Cloud Spanner data object write operation.
Target Table
Optional. Overrides the Google Cloud Spanner target table name specified in the Google Cloud Spanner data object write operation.
Batch Size
Minimum number of rows in a batch. Enter a number greater than 0.
Default is 100.
Create Table If Required
If the table is not present in the target database, PowerExchange for Google Cloud Spanner creates the target table with the name that you specify in the
Target Table
field.
PowerExchange for Google Cloud Spanner creates the table with the same schema as the target table that you specified in the Google Cloud Spanner data object write operation.
Create DataBase If Required
If the database specified in the
Target DataBase
field is not present in the Google Cloud Spanner instance, PowerExchange for Google Cloud Spanner creates the target database with the name that you specify in the
Target DataBase
field.
Write Truncate
When you enable this property, PowerExchange for Google Cloud Spanner overwrites the existing data in the target table.
The
Write Truncate
option is applicable only when you perform an insert operation on a Google Cloud Spanner target.
Target Schema Strategy
Not applicable for PowerExchange for Google Cloud Spanner.

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