Dandandan commented on a change in pull request #972:
URL: https://github.com/apache/arrow-datafusion/pull/972#discussion_r707069825
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File path: datafusion/src/datasource/datasource.rs
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@@ -102,6 +102,7 @@ pub trait TableProvider: Sync + Send {
// If set, it contains the amount of rows needed by the `LogicalPlan`,
// The datasource should return *at least* this number of rows if
available.
limit: Option<usize>,
+ max_partitions: usize,
Review comment:
What about calling it `target_partitions` ? In the future we might add
support for (column-based) partitioning in datasources, in that scenario you
might end up with more than `max_partitions`
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