XiaokunDing commented on a change in pull request #8831:
URL: https://github.com/apache/arrow/pull/8831#discussion_r537459999
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File path: rust/datafusion/src/datasource/datasource.rs
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@@ -24,6 +24,24 @@ use crate::arrow::datatypes::SchemaRef;
use crate::error::Result;
use crate::physical_plan::ExecutionPlan;
+/// The table statistics
+pub struct Statistics {
Review comment:
OK I changed the `usize` to `i64` in the fix commit.
But i think the `size` and `rows` could less than zero is weird.
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