refactor

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java

@@ -17,6 +17,7 @@ package com.alibaba.druid.sql.dialect.mysql.parser;
 
 import java.util.List;
 
+import com.alibaba.druid.sql.ast.SQLCommentHint;
 import com.alibaba.druid.sql.ast.SQLExpr;
 import com.alibaba.druid.sql.ast.SQLHint;
 import com.alibaba.druid.sql.ast.SQLName;
@@ -43,7 +44,6 @@ import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlUserName;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSQLColumnDefinition;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit;
-import com.alibaba.druid.sql.dialect.oracle.ast.OracleHint;
 import com.alibaba.druid.sql.parser.Lexer;
 import com.alibaba.druid.sql.parser.ParserException;
 import com.alibaba.druid.sql.parser.SQLExprParser;
@@ -613,7 +613,7 @@ public class MySqlExprParser extends SQLExprParser {
     
     public void parseHints(List<SQLHint> hints) {
         if (lexer.token() == Token.HINT) {
-            hints.add(new OracleHint(lexer.stringVal()));
+            hints.add(new SQLCommentHint(lexer.stringVal()));
             lexer.nextToken();
         }
     }

src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/OracleHint.java

@@ -1,49 +0,0 @@
-/*
- * Copyright 1999-2011 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.alibaba.druid.sql.dialect.oracle.ast;
-
-import com.alibaba.druid.sql.ast.SQLHint;
-import com.alibaba.druid.sql.ast.SQLObjectImpl;
-import com.alibaba.druid.sql.visitor.SQLASTVisitor;
-
-public class OracleHint extends SQLObjectImpl implements SQLHint {
-
-    private static final long serialVersionUID = 1L;
-
-    private String            text;
-
-    public OracleHint(){
-
-    }
-
-    public OracleHint(String text){
-
-        this.text = text;
-    }
-
-    public String getText() {
-        return this.text;
-    }
-
-    public void setText(String text) {
-        this.text = text;
-    }
-
-    protected void accept0(SQLASTVisitor visitor) {
-        visitor.visit(this);
-        visitor.endVisit(this);
-    }
-}

src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitor.java

@@ -15,8 +15,8 @@
  */
 package com.alibaba.druid.sql.dialect.oracle.visitor;
 
+import com.alibaba.druid.sql.ast.SQLCommentHint;
 import com.alibaba.druid.sql.ast.expr.SQLObjectCreateExpr;
-import com.alibaba.druid.sql.dialect.oracle.ast.OracleHint;
 import com.alibaba.druid.sql.dialect.oracle.ast.OracleOrderBy;
 import com.alibaba.druid.sql.dialect.oracle.ast.clause.CycleClause;
 import com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause.AsOfFlashbackQueryClause;

src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java

@@ -17,6 +17,7 @@ package com.alibaba.druid.sql.dialect.oracle.visitor;
 
 import java.util.List;
 
+import com.alibaba.druid.sql.ast.SQLCommentHint;
 import com.alibaba.druid.sql.ast.SQLDataType;
 import com.alibaba.druid.sql.ast.SQLExpr;
 import com.alibaba.druid.sql.ast.SQLHint;
@@ -38,7 +39,6 @@ import com.alibaba.druid.sql.ast.statement.SQLJoinTableSource.JoinType;
 import com.alibaba.druid.sql.ast.statement.SQLRollbackStatement;
 import com.alibaba.druid.sql.ast.statement.SQLSelect;
 import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
-import com.alibaba.druid.sql.dialect.oracle.ast.OracleHint;
 import com.alibaba.druid.sql.dialect.oracle.ast.OracleOrderBy;
 import com.alibaba.druid.sql.dialect.oracle.ast.clause.CycleClause;
 import com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause.AsOfFlashbackQueryClause;
@@ -907,7 +907,7 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
     }
 
     @Override
-    public void endVisit(OracleHint x) {
+    public void endVisit(SQLCommentHint x) {
 
     }