Package org.apache.drill.common


package org.apache.drill.common
Logical (execution-engine-independent) element definitions. Drill has several representations of a query including SQL, logical plans and physical plans. All of the logical constructs of Drill are separated from their physical implementations in the Java execution engine. The components of this package can be used to share common logical constructs between the current engine and any other future alternative physical implementations of the same logical constructs. This is the same for the logical expression constructs defined within this package.