Class Kind (3.51.0)

Kind(value)

The kind of PlanNode][google.spanner.v1.PlanNode]. Distinguishes between the two different kinds of nodes that can appear in a query plan.

Enums

Name Description
KIND_UNSPECIFIED Not specified.
RELATIONAL Denotes a Relational operator node in the expression tree. Relational operators represent iterative processing of rows during query execution. For example, a `TableScan` operation that reads rows from a table.
SCALAR Denotes a Scalar node in the expression tree. Scalar nodes represent non-iterable entities in the query plan. For example, constants or arithmetic operators appearing inside predicate expressions or references to column names.