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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
Namespace
Google \ Cloud \ Spanner \ V1 \ PlanNodeMethods
static::name
| Parameter | |
|---|---|
| Name | Description |
value |
mixed
|
static::value
| Parameter | |
|---|---|
| Name | Description |
name |
mixed
|
Constants
KIND_UNSPECIFIED
Value: 0Not specified.
Generated from protobuf enum KIND_UNSPECIFIED = 0;
RELATIONAL
Value: 1Denotes 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: 2Denotes 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;