ming535 commented on code in PR #2694:
URL: https://github.com/apache/arrow-datafusion/pull/2694#discussion_r892270304
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datafusion/core/src/physical_plan/limit.rs:
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@@ -176,17 +184,18 @@ impl ExecutionPlan for GlobalLimitExec {
fn statistics(&self) -> Statistics {
let input_stats = self.input.statistics();
+ let skip = self.skip.unwrap_or(0);
match input_stats {
// if the input does not reach the limit globally, return input
stats
Statistics {
num_rows: Some(nr), ..
- } if nr <= self.limit => input_stats,
+ } if nr - skip <= self.fetch.unwrap_or(usize::MAX) => input_stats,
Review Comment:
refactored the logic.
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