The nodes in the query plan. Plan nodes are returned in pre-order starting
with the plan root. Each [PlanNode][google.spanner.v1.PlanNode]'s id corresponds to its index in
plan_nodes.
[[["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 2025-04-17 UTC."],[[["The webpage provides documentation for the `QueryPlan` class within the `Google.Cloud.Spanner.V1` namespace, detailing its structure and functionality across multiple versions."],["The latest version of `QueryPlan` is `5.0.0-beta05`, with previous versions ranging from `3.5.0` to `5.0.0-beta04`, offering a variety of versioning options for the end user."],["The `QueryPlan` class implements several interfaces including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`, ensuring it can handle various data management and manipulation tasks."],["The class contains a `PlanNodes` property of type `RepeatedField\u003cPlanNode\u003e`, which stores an ordered list of the nodes within the query plan, with each node's ID corresponding to its index."],["There are two constructors for `QueryPlan`: a default constructor and one that takes another `QueryPlan` object as a parameter, allowing for creating new instances."]]],[]]