Match can't be used after STATS .. BY until filters can be pushed down below STATS

Author: carlosdelest

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/analysis/Verifier.java

@@ -688,7 +688,7 @@ private static void checkFullTextQueryFunctions(LogicalPlan plan, Set<Failure> f
                 plan,
                 condition,
                 Match.class,
-                lp -> (lp instanceof Limit == false),
+                lp -> (lp instanceof Limit == false) && (lp instanceof Aggregate == false),
                 m -> "[" + m.functionName() + "] " + m.functionType(),
                 failures
             );

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/analysis/VerifierTests.java

@@ -1155,6 +1155,10 @@ public void testMatchFunctionNotAllowedAfterCommands() throws Exception {
             "1:24: [MATCH] function cannot be used after LIMIT",
             error("from test | limit 10 | where match(first_name, \"Anna\")")
         );
+        assertEquals(
+            "1:47: [MATCH] function cannot be used after STATS",
+            error("from test | STATS c = AVG(salary) BY gender | where match(gender, \"F\")")
+        );
     }
 
     public void testMatchFunctionAndOperatorHaveCorrectErrorMessages() throws Exception {