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Column Projection Properties

Column Projection Properties

The Developer tool displays the column projection properties for Avro and Parquet Amazon S3 file targets in the
Properties
view of the
Write
operation.
The following table describes the column projection properties that you configure for Avro and Parquet Amazon S3 file targets:
Property
Description
Enable Column Projection
Displays the column details of Avro or Parquet Amazon S3 files targets.
Schema Format
Displays the schema format that you selected while creating the Amazon S3 file data object. You can change the schema format and provide respective schema.
Schema
Displays the schema associated with the Avro or Parquet file. You can select a different schema.
If you disable the column projection, the schema associated with the Avro or Parquet file is removed. If you want to associate schema again with the Avro or Parquet file, enable the column projection and click
Select Schema
.
Column Mapping
Displays the mapping between input and output ports.
If you disable the column projection, the mapping between input and output ports is removed. If you want to map the input and output ports, enable the column projection and click
Select Schema
to associate a schema to the Avro or Parquet file.


Updated July 30, 2020