AddCDCFile¶

AddCDCFile is a FileAction for the change file with Change Data Feed data of the version of a delta table.

AddCDCFile is created when DelayedCommitProtocol is requested to commit a task.

CDF-aware readers are supposed to scan AddCDCFiles for the changes of a delta table.

Creating Instance¶

AddCDCFile takes the following to be created:

• Path
• Partition values (Map[String, String])
• Size (in bytes)
• Tags (default: null)

AddCDCFile is created when:

• DelayedCommitProtocol is requested to buildActionFromAddedFile

dataChange¶

dataChange: Boolean

dataChange is always false.

Converting to SingleAction¶

wrap: Boolean

wrap creates a new SingleAction with cdc property set to this AddCDCFile.