Add tests for facet range search on different field ids

Author: loiclec

milli/src/search/facet/facet_range_search.rs

@@ -611,7 +611,8 @@ mod tests {
         ];
         for (i, index) in indexes.iter().enumerate() {
             let txn = index.env.read_txn().unwrap();
-            let mut results = String::new();
+            let mut results_0 = String::new();
+            let mut results_1 = String::new();
             for i in 0..=255 {
                 let i = i as f64;
                 let start = Bound::Included(i);
@@ -627,9 +628,23 @@ mod tests {
                 )
                 .unwrap();
                 #[allow(clippy::format_push_string)]
-                results.push_str(&format!("{i}: {}\n", display_bitmap(&docids)));
+                results_0.push_str(&format!("{i}: {}\n", display_bitmap(&docids)));
+
+                let mut docids = RoaringBitmap::new();
+                find_docids_of_facet_within_bounds::<OrderedF64Codec>(
+                    &txn,
+                    index.content.remap_key_type::<FacetGroupKeyCodec<OrderedF64Codec>>(),
+                    1,
+                    &start,
+                    &end,
+                    &mut docids,
+                )
+                .unwrap();
+                #[allow(clippy::format_push_string)]
+                results_1.push_str(&format!("{i}: {}\n", display_bitmap(&docids)));
             }
-            milli_snap!(results, format!("exact_{i}"));
+            milli_snap!(results_0, format!("field_id_0_exact_{i}"));
+            milli_snap!(results_1, format!("field_id_1_exact_{i}"));
 
             drop(txn);
         }

milli/src/search/facet/snapshots/facet_range_search.rs/filter_range_exact/field_id_0_exact_0.hash.snap

@@ -0,0 +1,4 @@
+---
+source: milli/src/search/facet/facet_range_search.rs
+---
+9c25261cec7275cb5cfd85835904d023

milli/src/search/facet/snapshots/facet_range_search.rs/filter_range_exact/field_id_0_exact_1.hash.snap

@@ -0,0 +1,4 @@
+---
+source: milli/src/search/facet/facet_range_search.rs
+---
+2f97f18c15e915853e4df879be6e1f63

milli/src/search/facet/snapshots/facet_range_search.rs/filter_range_exact/field_id_0_exact_2.hash.snap

@@ -0,0 +1,4 @@
+---
+source: milli/src/search/facet/facet_range_search.rs
+---
+9c25261cec7275cb5cfd85835904d023

milli/src/search/facet/snapshots/facet_range_search.rs/filter_range_exact/field_id_0_exact_3.hash.snap

@@ -0,0 +1,4 @@
+---
+source: milli/src/search/facet/facet_range_search.rs
+---
+2f97f18c15e915853e4df879be6e1f63

milli/src/search/facet/snapshots/facet_range_search.rs/filter_range_exact/field_id_1_exact_0.snap

@@ -0,0 +1,260 @@
+---
+source: milli/src/search/facet/facet_range_search.rs
+---
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