JingsongLi commented on code in PR #207:
URL: https://github.com/apache/paimon-rust/pull/207#discussion_r3039668817
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crates/paimon/src/table/source.rs:
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@@ -22,6 +22,328 @@
use crate::spec::{BinaryRow, DataFileMeta};
use crate::table::stats_filter::group_by_overlapping_row_id;
use serde::{Deserialize, Serialize};
+// ======================= RowRange ===============================
+
+/// An inclusive row ID range `[from, to]` for filtering reads in data
evolution mode.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct RowRange {
+ from: i64,
+ to: i64,
+}
+
+impl RowRange {
+ pub fn new(from: i64, to: i64) -> Self {
+ debug_assert!(from <= to, "RowRange from ({from}) must be <= to
({to})");
+ Self { from, to }
+ }
+
+ pub fn from(&self) -> i64 {
+ self.from
+ }
+
+ pub fn to(&self) -> i64 {
+ self.to
+ }
+
+ pub fn count(&self) -> i64 {
+ self.to - self.from + 1
+ }
+
+ pub fn is_empty(&self) -> bool {
Review Comment:
It is useless. Already `debug_assert!(from <= to);`.
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