eric-maynard commented on code in PR #1686:
URL: https://github.com/apache/polaris/pull/1686#discussion_r2122646699


##########
extension/persistence/relational-jdbc/src/test/java/org/apache/polaris/extension/persistence/relational/jdbc/QueryGeneratorTest.java:
##########
@@ -222,4 +222,29 @@ void testGenerateWhereClause_emptyMap() {
     Map<String, Object> whereClause = Collections.emptyMap();
     assertEquals("", QueryGenerator.generateWhereClause(whereClause));
   }
+
+  @Test
+  void testGenerateOverlapQuery() {
+    String realmId = "realmId";
+    int parentId = "polaris".hashCode();
+
+    assertEquals(
+        "SELECT entity_version, to_purge_timestamp, internal_properties, "
+            + "catalog_id, purge_timestamp, sub_type_code, create_timestamp, 
last_update_timestamp, "
+            + "parent_id, name, location, id, drop_timestamp, properties, 
grant_records_version, "
+            + "type_code FROM POLARIS_SCHEMA.ENTITIES WHERE realm_id = 
'realmId' AND parent_id = "
+            + "-398224152 AND (1 = 2 OR location = '/' OR location = '/tmp/' 
OR location = '/tmp/location/' "
+            + "OR location LIKE '/tmp/location/%')",
+        QueryGenerator.generateOverlapQuery(realmId, parentId, 
"/tmp/location/"));
+
+    assertEquals(
+        "SELECT entity_version, to_purge_timestamp, internal_properties, 
catalog_id, "
+            + "purge_timestamp, sub_type_code, create_timestamp, 
last_update_timestamp, parent_id, "
+            + "name, location, id, drop_timestamp, properties, 
grant_records_version, type_code "
+            + "FROM POLARIS_SCHEMA.ENTITIES WHERE realm_id = 'realmId' AND 
parent_id = -398224152 "
+            + "AND (1 = 2 OR location = 's3:/' OR location = 's3://' OR 
location = 's3://bucket/' OR "

Review Comment:
   Can you explain that belief more? I think that if you really have a entity 
at location `s3:` or `s3:/` then something has gone very wrong.



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