Added IT Test To Compare Alternate Syntaxes

Signed-off-by: GabeFernandez310 <gabrielf@bitquilltech.com>

Author: GabeFernandez310

integ-test/src/test/java/org/opensearch/sql/sql/MatchIT.java

@@ -59,8 +59,24 @@ public void match_query_in_where() throws IOException {
 
   @Test
   public void match_query_in_having() throws IOException {
-    JSONObject result = executeJdbcRequest("SELECT lastname FROM " + TEST_INDEX_ACCOUNT + " HAVING match_query(firstname, 'Nanette')");
+    JSONObject result = executeJdbcRequest(
+        "SELECT lastname FROM " + TEST_INDEX_ACCOUNT + " HAVING match_query(firstname, 'Nanette')");
     verifySchema(result, schema("lastname", "text"));
     verifyDataRows(result, rows("Bates"));
   }
+
+  @Test
+  public void alternate_syntaxes_return_the_same_results() throws IOException {
+    String query1 = "SELECT lastname FROM "
+        + TEST_INDEX_ACCOUNT + " HAVING match(firstname, 'Nanette')";
+    JSONObject result1 = executeJdbcRequest(query1);
+    String query2 = "SELECT lastname FROM "
+        + TEST_INDEX_ACCOUNT + " HAVING matchquery(firstname, 'Nanette')";
+    JSONObject result2 = executeJdbcRequest(query2);
+    String query3 = "SELECT lastname FROM "
+        + TEST_INDEX_ACCOUNT + " HAVING match_query(firstname, 'Nanette')";
+    JSONObject result3 = executeJdbcRequest(query3);
+    assertEquals(result1.getInt("total"), result2.getInt("total"));
+    assertEquals(result1.getInt("total"), result3.getInt("total"));
+  }
 }

opensearch/src/test/java/org/opensearch/sql/opensearch/storage/script/filter/lucene/MatchQueryTest.java

@@ -16,7 +16,6 @@
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 import org.opensearch.sql.common.antlr.SyntaxCheckException;
-import org.opensearch.sql.common.grok.Match;
 import org.opensearch.sql.data.model.ExprValue;
 import org.opensearch.sql.data.type.ExprType;
 import org.opensearch.sql.exception.SemanticCheckException;

sql/src/main/antlr/OpenSearchSQLParser.g4

@@ -436,10 +436,6 @@ multiFieldRelevanceFunctionName
     | QUERY_STRING
     ;
 
-legacyRelevanceFunctionName
-    : QUERY 
-    ;
-
 functionArgs
     : (functionArg (COMMA functionArg)*)?
     ;