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 Google Cloud Spanner v1 API class QueryPlan is 5.0.0-beta05, while 5.0.0-beta04 is also available for documentation and is being used as reference in the content."],["This page provides reference documentation and code samples for the Google Cloud Spanner v1 API class `QueryPlan`, which is a class that contains an ordered list of nodes appearing in the query plan."],["The `QueryPlan` class implements several interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`."],["The `QueryPlan` class has one property, `PlanNodes`, which contains a repeated field of `PlanNode` objects, representing the nodes in the query plan."],["The current page also contains documentation for previous version going as far back as 3.5.0, and all versions contain the `QueryPlan` class."]]],[]]