Cloud Spanner V1 Client - Class Kind (1.54.2)

Version 1.54.2

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Reference documentation and code samples for the Cloud Spanner V1 Client class Kind.

The kind of PlanNode. Distinguishes between the two different kinds of nodes that can appear in a query plan.

Protobuf type google.spanner.v1.PlanNode.Kind

Methods

name

Parameter
Name	Description
value	mixed

value

Parameter
Name	Description
name	mixed

Constants

KIND_UNSPECIFIED

Value: 0

Not specified.

Generated from protobuf enum KIND_UNSPECIFIED = 0;

RELATIONAL

Value: 1

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.

Generated from protobuf enum RELATIONAL = 1;

SCALAR

Value: 2

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.

Generated from protobuf enum SCALAR = 2;