Package org.apache.drill.exec.physical.impl.metadata
package org.apache.drill.exec.physical.impl.metadata
-
ClassesClassDescriptionHelper class for constructing aggregate value expressions required for metadata collecting.Terminal operator for producing ANALYZE statement.Responsible for handling metadata returned by incoming aggregate operators and fetching required metadata form the Metastore.Operator which adds aggregate calls for all incoming columns to calculate required metadata and produces aggregations.