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 2025-03-21 UTC."],[[["The latest version of the `QueryPlan` documentation is 5.0.0-beta05, with version 3.9.0 being the current version detailed on the page."],["The `QueryPlan` class contains an ordered list of nodes representing a query plan, as per the given documentation."],["`QueryPlan` implements several interfaces, including `IMessage\u003cQueryPlan\u003e`, `IEquatable\u003cQueryPlan\u003e`, `IDeepCloneable\u003cQueryPlan\u003e`, `IBufferMessage`, and `IMessage`, with additional inheritance from Object."],["The `QueryPlan` class offers two constructors: one default and another that copies from an existing `QueryPlan` object, and has one `PlanNodes` property, which is a repeated field of type `PlanNode`."],["The `PlanNodes` property contains the nodes in the query plan, presented in pre-order, with each `PlanNode`'s ID matching its index in the `plan_nodes` list."]]],[]]
