Fix PushQueriesIT for new query rewrite optimizations in Lucene 10.3

Author: ChrisHegarty

x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/PushQueriesIT.java

@@ -146,9 +146,10 @@ public void testEqualityOrOther() throws IOException {
             FROM test
             | WHERE test == "%value" OR foo == 2
             """;
+        // query rewrite optimizations apply to foo, since it's query value is always outside the range of indexed values
         String luceneQuery = switch (type) {
-            case AUTO, TEXT_WITH_KEYWORD -> "(#test.keyword:%value -_ignored:test.keyword) foo:[2 TO 2]";
-            case KEYWORD -> "test:%value foo:[2 TO 2]";
+            case AUTO, TEXT_WITH_KEYWORD -> "#test.keyword:%value -_ignored:test.keyword";
+            case KEYWORD -> "test:%value";
             case CONSTANT_KEYWORD, MATCH_ONLY_TEXT_WITH_KEYWORD -> "*:*";
             case SEMANTIC_TEXT_WITH_KEYWORD -> "FieldExistsQuery [field=_primary_term]";
         };
@@ -165,16 +166,17 @@ public void testEqualityAndOther() throws IOException {
             FROM test
             | WHERE test == "%value" AND foo == 1
             """;
+        // query rewrite optimizations apply to foo, since it's query value is always within the range of indexed values
         List<String> luceneQueryOptions = switch (type) {
-            case AUTO, TEXT_WITH_KEYWORD -> List.of("#test.keyword:%value -_ignored:test.keyword #foo:[1 TO 1]");
-            case KEYWORD -> List.of("#test:%value #foo:[1 TO 1]");
-            case CONSTANT_KEYWORD, MATCH_ONLY_TEXT_WITH_KEYWORD -> List.of("foo:[1 TO 1]");
+            case AUTO, TEXT_WITH_KEYWORD -> List.of("#test.keyword:%value -_ignored:test.keyword");
+            case KEYWORD -> List.of("test:%value");
+            case CONSTANT_KEYWORD, MATCH_ONLY_TEXT_WITH_KEYWORD -> List.of("*:*");
             case SEMANTIC_TEXT_WITH_KEYWORD ->
                 /*
                  * single_value_match is here because there are extra documents hiding in the index
                  * that don't have the `foo` field.
                  */
-                List.of("#foo:[1 TO 1] #single_value_match(foo)", "foo:[1 TO 1]");
+                List.of("#FieldExistsQuery [field=foo] #single_value_match(foo)", "foo:[1 TO 1]");
         };
         ComputeSignature dataNodeSignature = switch (type) {
             case AUTO, CONSTANT_KEYWORD, KEYWORD, TEXT_WITH_KEYWORD -> ComputeSignature.FILTER_IN_QUERY;