SCHJonathan commented on code in PR #52154:
URL: https://github.com/apache/spark/pull/52154#discussion_r2363759691
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sql/connect/common/src/main/protobuf/spark/connect/pipelines.proto:
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@@ -90,6 +92,24 @@ message PipelineCommand {
optional string format = 8;
}
+ // Metadata about why a query function failed to be executed successfully.
+ message QueryFunctionFailure {
+ // Identifier for a dataset within the graph that the query function
needed to know the schema
+ // of but which had not yet been analyzed itself.
+ optional string missing_dependency = 1;
+ }
+
+ // The result of executing a user-defined query function.
+ message QueryFunctionResult {
+ oneof flow_function_evaluation_result {
+ // If the query function executed successfully, the unresolved logical
plan produced by it.
+ spark.connect.Relation plan = 1;
Review Comment:
This is what we do today, see the field I marked as deprecated in line 125.
SC run MV function and lazily analyze into a unresolved logical plan and we
pass that to the server to resolve it through the DefineFlow RPC
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