sql wall support REFRESH MATERIALIZED VIEW

core/src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleStatementParser.java

@@ -223,6 +223,13 @@ public class OracleStatementParser extends SQLStatementParser {
                 continue;
             }
 
+            if (lexer.identifierEquals("REFRESH")) {
+                SQLStatement stmt = parseRefresh();
+                stmt.setParent(parent);
+                statementList.add(stmt);
+                continue;
+            }
+
             if (lexer.token() == Token.CONTINUE) {
                 lexer.nextToken();
                 OracleContinueStatement stmt = new OracleContinueStatement();

core/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java

@@ -2643,7 +2643,9 @@ public class WallVisitorUtils {
             denyMessage = "block statement not allow";
             errorCode = ErrorCode.BLOCK_NOT_ALLOW;
         } else if (x instanceof SQLExplainStatement
-                || x instanceof MySqlOptimizeStatement) {
+                || x instanceof MySqlOptimizeStatement
+                || x instanceof SQLRefreshMaterializedViewStatement
+        ) {
             allow = true;
             errorCode = 0;
             denyMessage = null;

core/src/test/java/com/alibaba/druid/bvt/filter/wall/oracle/OracleWallResourceTest.java

@@ -28,6 +28,10 @@ public class OracleWallResourceTest extends PGTest {
         exec_test("bvt/wall/oracle/oracle-01.sql");
     }
 
+    public void test_2() throws Exception {
+        exec_test("bvt/wall/oracle/oracle-02.sql");
+    }
+
     public void exec_test(String resource) throws Exception {
         String sql = TestUtil.getResource(resource);
         OracleWallProvider provider = new OracleWallProvider();

core/src/test/resources/bvt/wall/oracle/oracle-02.sql

@@ -0,0 +1 @@
+REFRESH MATERIALIZED VIEW V1