From f2519a02d8191c3a1f10f8c65dc5da0546beaeb1 Mon Sep 17 00:00:00 2001
From: Michael-J-Ward <ward.michael.j@gmail.com>
Date: Mon, 13 May 2024 14:58:47 -0500
Subject: [PATCH] feat: remove deprecated suppors_filter_pushdown and impl
 supports_filters_pushdown

Deprecated function removed in https://github.com/apache/datafusion/pull/9923
---
 src/dataset.rs | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/dataset.rs b/src/dataset.rs
index 713610c51..fcbb503c0 100644
--- a/src/dataset.rs
+++ b/src/dataset.rs
@@ -117,10 +117,16 @@ impl TableProvider for Dataset {
 
     /// Tests whether the table provider can make use of a filter expression
     /// to optimise data retrieval.
-    fn supports_filter_pushdown(&self, filter: &Expr) -> DFResult<TableProviderFilterPushDown> {
-        match PyArrowFilterExpression::try_from(filter) {
-            Ok(_) => Ok(TableProviderFilterPushDown::Exact),
-            _ => Ok(TableProviderFilterPushDown::Unsupported),
-        }
+    fn supports_filters_pushdown(
+        &self,
+        filter: &[&Expr],
+    ) -> DFResult<Vec<TableProviderFilterPushDown>> {
+        filter
+            .iter()
+            .map(|&f| match PyArrowFilterExpression::try_from(f) {
+                Ok(_) => Ok(TableProviderFilterPushDown::Exact),
+                _ => Ok(TableProviderFilterPushDown::Unsupported),
+            })
+            .collect()
     }
 }