removed encoding from EventTime and UserID

Author: nikhilsinhaparseable

src/storage/staging.rs

@@ -343,17 +343,7 @@ pub fn parquet_writer_props(
     props = props
         .set_column_dictionary_enabled(url_column.clone(), true)
         .set_column_encoding(url_column.clone(), Encoding::DELTA_BYTE_ARRAY)
-        .set_column_statistics_enabled(url_column.clone(), EnabledStatistics::Page);
-
-    let event_time_column = ColumnPath::new(vec!["EventTime".to_string()]);
-    props = props
-        .set_column_encoding(event_time_column.clone(), Encoding::PLAIN)
-        .set_column_statistics_enabled(event_time_column.clone(), EnabledStatistics::Page);
-
-    let user_id_column = ColumnPath::new(vec!["UserID".to_string()]);
-    props = props
-        .set_column_encoding(user_id_column.clone(), Encoding::PLAIN)
-        .set_column_statistics_enabled(user_id_column.clone(), EnabledStatistics::Page);
+        .set_column_statistics_enabled(url_column.clone(), EnabledStatistics::Chunk);
 
     props = props.set_sorting_columns(Some(sorting_column_vec));
     props