Dandandan commented on a change in pull request #9645:
URL: https://github.com/apache/arrow/pull/9645#discussion_r592744922
##########
File path: rust/datafusion/examples/flight_server.rs
##########
@@ -94,28 +94,26 @@ impl FlightService for FlightServiceImpl {
"alltypes_plain",
&format!("{}/alltypes_plain.parquet", testdata),
)
- .map_err(|e| to_tonic_err(&e))?;
+ .map_err(to_tonic_err)?;
- // create the query plan
- let plan = ctx
- .create_logical_plan(&sql)
- .and_then(|plan| ctx.optimize(&plan))
- .and_then(|plan| ctx.create_physical_plan(&plan))
- .map_err(|e| to_tonic_err(&e))?;
+ // create the DataFrame
+ let df = ctx.sql(sql).map_err(to_tonic_err)?;
// execute the query
- let results =
- collect(plan.clone()).await.map_err(|e| to_tonic_err(&e))?;
+ let results = df.collect().await.map_err(to_tonic_err)?;
if results.is_empty() {
return Err(Status::internal("There were no results from
ticket"));
}
+ let physical_plan = ctx
Review comment:
Agree, your comment makes sense. Will have a look later.
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