Package org.apache.drill.exec.physical.resultSet.project

package org.apache.drill.exec.physical.resultSet.project

Related Packages

Package	Description
org.apache.drill.exec.physical.resultSet	Provides a second-generation row set (AKA "record batch") writer used by client code to Define the schema of a result set. Write data into the vectors backing a row set.
org.apache.drill.exec.physical.resultSet.impl	Handles the details of the result set loader implementation.
org.apache.drill.exec.physical.resultSet.model	The "row set model" provides a "dual" of the vector structure used to create, allocate and work with a collection of vectors.
org.apache.drill.exec.physical.resultSet.util

Class	Description
BaseRequestedColumn
ImpliedTupleRequest	Represents a wildcard: SELECT * when used at the root tuple.
ProjectionChecker	Utility class to check if a column is consistent with the projection requested for a query.
Projections	Converts a projection list passed to an operator into a scan projection list, coalescing multiple references to the same column into a single reference.
Qualifier	Represents one level of qualifier for a column.
QualifierContainer
RequestedColumn	Plan-time properties of a requested column.
RequestedColumnImpl	Represents one name element.
RequestedTuple	Represents the set of columns projected for a tuple (row or map.) Each column may have structure: a set of referenced names or array indices.
RequestedTuple.TupleProjectionType
RequestedTupleImpl	Represents an explicit projection at some tuple level.
RequestedWildcardColumn