Ted-Jiang commented on issue #2021:
URL:
https://github.com/apache/arrow-datafusion/issues/2021#issuecomment-1069166428
@alamb, I think explain will print all `LogicalPlan` fields
Q1: is it ok add new field in `table_scan` like
```
pub struct TableScan {
/// The name of the table
pub table_name: String,
/// The source of the table
pub source: Arc<dyn TableProvider>,
/// Optional column indices to use as a projection
pub projection: Option<Vec<usize>>,
/// The schema description of the output
pub projected_schema: DFSchemaRef,
/// Optional expressions to be used as filters by the table provider
pub filters: Vec<Expr>,
/// Optional limit to skip reading
pub limit: Option<usize>,
/// Filter push down type (new added)
pub filter_push_down:TableProviderFilterPushDown,
}
```
Q2: If this is ok, there will be multiple filter expr in one `table_scan` ,
we should print all of them, right?
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