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."],[[["This webpage details the `QueryPlan` class within the `Google.Cloud.Spanner.V1` namespace, outlining its structure, functionality, and available versions."],["The `QueryPlan` class is used to represent an ordered list of nodes in a query plan, which starts with the root node and can be navigated by their indexed `id`."],["It supports various versions of the class, ranging from `5.0.0-beta05` (latest) down to `3.5.0`, offering different builds for development needs."],["The `QueryPlan` class inherits from `Object` and implements `IMessage\u003cQueryPlan\u003e`, `IEquatable\u003cQueryPlan\u003e`, `IDeepCloneable\u003cQueryPlan\u003e`, `IBufferMessage`, and `IMessage`, indicating its role in data structures and message handling."],["The `QueryPlan` class offers two constructors, one being parameter-less, and another to create a copy of an already existing `QueryPlan`."]]],[]]