Revert to existing H3_BOUNDARY until SF improve H3_CELL_TO_BOUNDARY_P…

…ERFORMANCE

clouds/snowflake/libraries/javascript/libs/h3_kring_distances.js

@@ -2,5 +2,5 @@ import { h3Distance, h3IsPentagon } from '../src/h3/h3_kring_distances/h3core_cu
 
 export default {
     h3Distance,
-		h3IsPentagon
-};
+    h3IsPentagon
+};

clouds/snowflake/modules/sql/h3/H3_BOUNDARY.sql

@@ -1,15 +1,34 @@
---------------------------------
--- Copyright (C) 2021-2024 CARTO
---------------------------------
+----------------------------
+-- Copyright (C) 2021 CARTO
+----------------------------
+-- TODO: Re-implement this using SF's native H3_CELL_TO_BOUNDARY when they improve performance
+-- Shortcut story/chore ID: 398796
+
+CREATE OR REPLACE FUNCTION @@SF_SCHEMA@@._H3_BOUNDARY
+(index STRING)
+RETURNS STRING
+LANGUAGE JAVASCRIPT
+IMMUTABLE
+AS $$
+    if (!INDEX) {
+        return null;
+    }
+
+    @@SF_LIBRARY_H3_BOUNDARY@@
+
+    if (!h3BoundaryLib.h3IsValid(INDEX)) {
+        return null;
+    }
+
+    const coords = h3BoundaryLib.h3ToGeoBoundary(INDEX, true);
+    const uniqueCoords = h3BoundaryLib.removeNextDuplicates(coords);
+    return `POLYGON((${uniqueCoords.map(c => `${c[0]} ${c[1]}`).join(',')}))`;
+$$;
 
 CREATE OR REPLACE SECURE FUNCTION @@SF_SCHEMA@@.H3_BOUNDARY
 (index STRING)
 RETURNS GEOGRAPHY
 IMMUTABLE
 AS $$
-    IFF(
-	@@SF_SCHEMA@@.H3_ISVALID(INDEX),
-        H3_CELL_TO_BOUNDARY(INDEX),
-	NULL
-    )
+    TRY_TO_GEOGRAPHY(@@SF_SCHEMA@@._H3_BOUNDARY(INDEX))
 $$;

clouds/snowflake/modules/test/h3/H3_KRING_DISTANCES.test.js

@@ -52,4 +52,4 @@ test('H3_KRING_DISTANCES should fail if any invalid argument', async () => {
 
     query = 'SELECT H3_KRING_DISTANCES(\'8928308280fffff\', -1)';
     await expect(runQuery(query)).rejects.toThrow(/Invalid input size/);
-});
+});