MetadataColumnHelper Implicit Class¶

MetadataColumnHelper is a Scala implicit class for Attribute.

Creating Instance¶

MetadataColumnHelper takes the following to be created:

• Attribute

isMetadataCol¶

isMetadataCol: Boolean

isMetadataCol takes the Metadata of the Attribute and checks if there is the __metadata_col key with true value.

isMetadataCol is used when:

• AddMetadataColumns logical resolution rule is executed