fix: warnings for influxdb3 build

This commit fixes the warnings emitted by `cargo build` when compiling
influxdb3. Mainly it adds needed lifetimes and removes uneccesary
imports and functions calls.

iox_query_influxql/src/window/derivative.rs

@@ -4,7 +4,7 @@ use arrow::datatypes::{DataType, TimeUnit};
 use datafusion::common::{Result, ScalarValue};
 use datafusion::logical_expr::{PartitionEvaluator, Signature, TypeSignature, Volatility};
 use once_cell::sync::Lazy;
-use std::borrow::Borrow;
+
 use std::sync::Arc;
 
 /// The name of the derivative window function.
@@ -99,7 +99,7 @@ impl PartitionEvaluator for DifferencePartitionEvaluator {
 }
 
 fn delta(curr: &ScalarValue, prev: &ScalarValue) -> Result<f64> {
-    match (curr.borrow(), prev.borrow()) {
+    match (curr, prev) {
         (ScalarValue::Float64(Some(curr)), ScalarValue::Float64(Some(prev))) => Ok(*curr - *prev),
         (ScalarValue::Int64(Some(curr)), ScalarValue::Int64(Some(prev))) => {
             Ok(*curr as f64 - *prev as f64)

query_functions/src/window.rs

@@ -1,6 +1,6 @@
 mod internal;
 
-pub use internal::{Duration, Window};
+pub use internal::{Duration};
 use schema::TIME_DATA_TYPE;
 
 use std::sync::Arc;

service_grpc_flight/src/request.rs

@@ -130,7 +130,7 @@ impl Display for RunQuery {
 }
 
 impl IoxGetRequest {
-    const READ_INFO_TYPE_URL: &str = "type.googleapis.com/influxdata.iox.querier.v1.ReadInfo";
+    const READ_INFO_TYPE_URL: &'static str = "type.googleapis.com/influxdata.iox.querier.v1.ReadInfo";
 
     /// Create a new request to run the specified query
     pub fn new(database: impl Into<String>, query: RunQuery, is_debug: bool) -> Self {