removed coalesce batches as it is default behaviour

Author: nikhilsinhaparseable

src/query/mod.rs

@@ -91,9 +91,7 @@ impl Query {
         let mut config = SessionConfig::default()
             .with_parquet_pruning(true)
             .with_prefer_existing_sort(true)
-            .with_batch_size(1000000)
-            .with_coalesce_batches(true);
-
+            .with_batch_size(1000000);
         // For more details refer https://datafusion.apache.org/user-guide/configs.html
 
         // Pushdown filters allows DF to push the filters as far down in the plan as possible