Reference documentation and code samples for the Cloud Spanner V1 Client class Kind.
The kind ofPlanNode. Distinguishes between the two different kinds of
nodes that can appear in a query plan.
Protobuf typegoogle.spanner.v1.PlanNode.Kind
Namespace
Google \ Cloud \ Spanner \ V1 \ PlanNode
Methods
static::name
Parameter
Name
Description
value
mixed
static::value
Parameter
Name
Description
name
mixed
Constants
KIND_UNSPECIFIED
Value: 0
Not specified.
Generated from protobuf enumKIND_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, aTableScanoperation that reads rows from a table.
Generated from protobuf enumRELATIONAL = 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.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Cloud Spanner V1 Client - Class Kind (1.104.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.104.0 (latest)](/php/docs/reference/cloud-spanner/latest/V1.PlanNode.Kind)\n- [1.103.0](/php/docs/reference/cloud-spanner/1.103.0/V1.PlanNode.Kind)\n- [1.102.0](/php/docs/reference/cloud-spanner/1.102.0/V1.PlanNode.Kind)\n- [1.101.0](/php/docs/reference/cloud-spanner/1.101.0/V1.PlanNode.Kind)\n- [1.100.0](/php/docs/reference/cloud-spanner/1.100.0/V1.PlanNode.Kind)\n- [1.98.0](/php/docs/reference/cloud-spanner/1.98.0/V1.PlanNode.Kind)\n- [1.97.0](/php/docs/reference/cloud-spanner/1.97.0/V1.PlanNode.Kind)\n- [1.96.0](/php/docs/reference/cloud-spanner/1.96.0/V1.PlanNode.Kind)\n- [1.95.0](/php/docs/reference/cloud-spanner/1.95.0/V1.PlanNode.Kind)\n- [1.94.0](/php/docs/reference/cloud-spanner/1.94.0/V1.PlanNode.Kind)\n- [1.93.1](/php/docs/reference/cloud-spanner/1.93.1/V1.PlanNode.Kind)\n- [1.92.1](/php/docs/reference/cloud-spanner/1.92.1/V1.PlanNode.Kind)\n- [1.91.0](/php/docs/reference/cloud-spanner/1.91.0/V1.PlanNode.Kind)\n- [1.90.0](/php/docs/reference/cloud-spanner/1.90.0/V1.PlanNode.Kind)\n- [1.89.0](/php/docs/reference/cloud-spanner/1.89.0/V1.PlanNode.Kind)\n- [1.88.0](/php/docs/reference/cloud-spanner/1.88.0/V1.PlanNode.Kind)\n- [1.87.0](/php/docs/reference/cloud-spanner/1.87.0/V1.PlanNode.Kind)\n- [1.86.0](/php/docs/reference/cloud-spanner/1.86.0/V1.PlanNode.Kind)\n- [1.85.0](/php/docs/reference/cloud-spanner/1.85.0/V1.PlanNode.Kind)\n- [1.84.0](/php/docs/reference/cloud-spanner/1.84.0/V1.PlanNode.Kind)\n- [1.83.0](/php/docs/reference/cloud-spanner/1.83.0/V1.PlanNode.Kind)\n- [1.82.0](/php/docs/reference/cloud-spanner/1.82.0/V1.PlanNode.Kind)\n- [1.81.0](/php/docs/reference/cloud-spanner/1.81.0/V1.PlanNode.Kind)\n- [1.80.0](/php/docs/reference/cloud-spanner/1.80.0/V1.PlanNode.Kind)\n- [1.79.0](/php/docs/reference/cloud-spanner/1.79.0/V1.PlanNode.Kind)\n- [1.78.0](/php/docs/reference/cloud-spanner/1.78.0/V1.PlanNode.Kind)\n- [1.77.0](/php/docs/reference/cloud-spanner/1.77.0/V1.PlanNode.Kind)\n- [1.76.1](/php/docs/reference/cloud-spanner/1.76.1/V1.PlanNode.Kind)\n- [1.68.0](/php/docs/reference/cloud-spanner/1.68.0/V1.PlanNode.Kind)\n- [1.67.0](/php/docs/reference/cloud-spanner/1.67.0/V1.PlanNode.Kind)\n- [1.66.0](/php/docs/reference/cloud-spanner/1.66.0/V1.PlanNode.Kind)\n- [1.65.0](/php/docs/reference/cloud-spanner/1.65.0/V1.PlanNode.Kind)\n- [1.64.0](/php/docs/reference/cloud-spanner/1.64.0/V1.PlanNode.Kind)\n- [1.63.2](/php/docs/reference/cloud-spanner/1.63.2/V1.PlanNode.Kind)\n- [1.62.1](/php/docs/reference/cloud-spanner/1.62.1/V1.PlanNode.Kind)\n- [1.61.0](/php/docs/reference/cloud-spanner/1.61.0/V1.PlanNode.Kind)\n- [1.60.0](/php/docs/reference/cloud-spanner/1.60.0/V1.PlanNode.Kind)\n- [1.59.0](/php/docs/reference/cloud-spanner/1.59.0/V1.PlanNode.Kind)\n- [1.58.4](/php/docs/reference/cloud-spanner/1.58.4/V1.PlanNode.Kind)\n- [1.57.0](/php/docs/reference/cloud-spanner/1.57.0/V1.PlanNode.Kind)\n- [1.56.0](/php/docs/reference/cloud-spanner/1.56.0/V1.PlanNode.Kind)\n- [1.55.0](/php/docs/reference/cloud-spanner/1.55.0/V1.PlanNode.Kind)\n- [1.54.2](/php/docs/reference/cloud-spanner/1.54.2/V1.PlanNode.Kind) \nReference documentation and code samples for the Cloud Spanner V1 Client class Kind.\n\nThe kind of [PlanNode](/php/docs/reference/cloud-spanner/latest/V1.PlanNode). Distinguishes between the two different kinds of\nnodes that can appear in a query plan.\n\nProtobuf type `google.spanner.v1.PlanNode.Kind`\n\nNamespace\n---------\n\nGoogle \\\\ Cloud \\\\ Spanner \\\\ V1 \\\\ PlanNode\n\nMethods\n-------\n\n### static::name\n\n### static::value\n\nConstants\n---------\n\n### KIND_UNSPECIFIED\n\n Value: 0\n\nNot specified.\n\nGenerated from protobuf enum `KIND_UNSPECIFIED = 0;`\n\n### RELATIONAL\n\n Value: 1\n\nDenotes a Relational operator node in the expression tree. Relational\noperators represent iterative processing of rows during query execution.\n\nFor example, a `TableScan` operation that reads rows from a table.\n\nGenerated from protobuf enum `RELATIONAL = 1;`\n\n### SCALAR\n\n Value: 2\n\nDenotes a Scalar node in the expression tree. Scalar nodes represent\nnon-iterable entities in the query plan. For example, constants or\narithmetic operators appearing inside predicate expressions or references\nto column names.\n\nGenerated from protobuf enum `SCALAR = 2;`"]]