refactor: update query/src/frontend/influxrpc.rs

Co-authored-by: Andrew Lamb <alamb@influxdata.com>
2021-10-20 14:15:51 +01:00 · 2021-10-20 14:15:51 +01:00 · 438cd1767a
parent a96284e120
commit 438cd1767a
1 changed files with 2 additions and 0 deletions
--- a/query/src/frontend/influxrpc.rs
+++ b/query/src/frontend/influxrpc.rs
@ -1638,6 +1638,8 @@ impl PredicateNormalizer {
 /// `Exprs` are rewritten with the actual table name
 /// * any expression on the [VALUE_COLUMN_NAME] column is rewritten to be
 /// applied across all field columns.
+/// * any expression on the [FIELD_COLUMN_NAME] is rewritten to be
+/// applied for the particular fields.
 ///
 /// For example if the original predicate was
 /// ```text