refactor

src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java

@@ -90,6 +90,7 @@ import com.alibaba.druid.sql.ast.statement.SQLUniqueConstraint;
 import com.alibaba.druid.sql.ast.statement.SQLUpdateSetItem;
 import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
 import com.alibaba.druid.sql.ast.statement.SQLUseStatement;
+import com.alibaba.druid.sql.dialect.oracle.ast.OracleHint;
 
 public class SQLASTOutputVisitor extends SQLASTVisitorAdapter {
 
@@ -1089,4 +1090,9 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter {
         }
         return false;
     }
+    
+    public boolean visit(OracleHint x) {
+        print(x.getText());
+        return false;
+    }
 }

src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitor.java

@@ -84,6 +84,7 @@ import com.alibaba.druid.sql.ast.statement.SQLUniqueConstraint;
 import com.alibaba.druid.sql.ast.statement.SQLUpdateSetItem;
 import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
 import com.alibaba.druid.sql.ast.statement.SQLUseStatement;
+import com.alibaba.druid.sql.dialect.oracle.ast.OracleHint;
 
 public interface SQLASTVisitor {
 
@@ -370,4 +371,8 @@ public interface SQLASTVisitor {
     boolean visit(SQLReleaseSavePointStatement x);
     
     void endVisit(SQLReleaseSavePointStatement x);
+    
+    void endVisit(OracleHint x);
+    
+    boolean visit(OracleHint x);
 }

src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitorAdapter.java

@@ -85,6 +85,7 @@ import com.alibaba.druid.sql.ast.statement.SQLUniqueConstraint;
 import com.alibaba.druid.sql.ast.statement.SQLUpdateSetItem;
 import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
 import com.alibaba.druid.sql.ast.statement.SQLUseStatement;
+import com.alibaba.druid.sql.dialect.oracle.ast.OracleHint;
 
 public class SQLASTVisitorAdapter implements SQLASTVisitor {
 
@@ -609,7 +610,7 @@ public class SQLASTVisitorAdapter implements SQLASTVisitor {
 
     @Override
     public void endVisit(SQLAlterTableDropColumnItem x) {
-        
+
     }
 
     @Override
@@ -619,7 +620,7 @@ public class SQLASTVisitorAdapter implements SQLASTVisitor {
 
     @Override
     public void endVisit(SQLDropIndexStatement x) {
-        
+
     }
 
     @Override
@@ -629,7 +630,7 @@ public class SQLASTVisitorAdapter implements SQLASTVisitor {
 
     @Override
     public void endVisit(SQLDropViewStatement x) {
-        
+
     }
 
     @Override
@@ -639,9 +640,9 @@ public class SQLASTVisitorAdapter implements SQLASTVisitor {
 
     @Override
     public void endVisit(SQLSavePointStatement x) {
-        
+
     }
-    
+
     @Override
     public boolean visit(SQLRollbackStatement x) {
         return true;
@@ -660,4 +661,14 @@ public class SQLASTVisitorAdapter implements SQLASTVisitor {
     @Override
     public void endVisit(SQLReleaseSavePointStatement x) {
     }
+
+    @Override
+    public boolean visit(OracleHint x) {
+        return true;
+    }
+
+    @Override
+    public void endVisit(OracleHint x) {
+
+    }
 }