alex-plekhanov commented on code in PR #10338:
URL: https://github.com/apache/ignite/pull/10338#discussion_r1001734646


##########
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/IgniteSqlFunctions.java:
##########
@@ -154,6 +154,27 @@ public static String toString(ByteString b) {
         return b == null ? null : new String(b.getBytes(), 
Commons.typeFactory().getDefaultCharset());
     }
 
+    /** LEAST2. */
+    public static Object least2(Object arg0, Object arg1) {
+        return leastOrGreatest(true, arg0, arg1);
+    }
+
+    /** GREATEST2. */
+    public static Object greatest2(Object arg0, Object arg1) {
+        return leastOrGreatest(false, arg0, arg1);
+    }
+
+    /** */
+    private static Object leastOrGreatest(boolean least, Object arg0, Object 
arg1) {
+        if (arg0 == null || arg1 == null)
+            return null;
+
+        if (((Comparable<Object>)arg0).compareTo(arg1) < 0)

Review Comment:
   Assert added



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