refactor sql parser, support open/close statement

src/main/java/com/alibaba/druid/sql/ast/statement/SQLCloseStatement.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 1999-2101 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.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLStatementImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+/**
+ * 
+ * @Description: MySql cursor close statement
+ * @author zz email:455910092@qq.com
+ * @date 2015-9-14
+ * @version V1.0
+ */
+public class SQLCloseStatement extends SQLStatementImpl{
+	
+	//cursor name
+	private String cursorName; 
+	
+	public String getCursorName() {
+		return cursorName;
+	}
+	
+	public void setCursorName(String cursorName) {
+		this.cursorName = cursorName;
+	}
+
+	@Override
+	protected void accept0(SQLASTVisitor visitor) {
+		visitor.visit(this);
+	    visitor.endVisit(this);
+		
+	}
+
+}

src/main/java/com/alibaba/druid/sql/ast/statement/SQLFetchStatement.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 1999-2101 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.ast.statement;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.ast.SQLName;
+import com.alibaba.druid.sql.ast.SQLStatementImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+
+public class SQLFetchStatement extends SQLStatementImpl {
+
+    private SQLName       cursorName;
+
+    private List<SQLExpr> into = new ArrayList<SQLExpr>();
+
+    @Override
+    protected void accept0(SQLASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, cursorName);
+            acceptChild(visitor, into);
+        }
+        visitor.endVisit(this);
+    }
+
+    public SQLName getCursorName() {
+        return cursorName;
+    }
+
+    public void setCursorName(SQLName cursorName) {
+        this.cursorName = cursorName;
+    }
+
+    public List<SQLExpr> getInto() {
+        return into;
+    }
+
+    public void setInto(List<SQLExpr> into) {
+        this.into = into;
+    }
+
+}

src/main/java/com/alibaba/druid/sql/ast/statement/SQLOpenStatement.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 1999-2101 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.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLStatementImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+/**
+ * 
+ * @Description: MySql cursor open statement
+ * @author zz email:455910092@qq.com
+ * @date 2015-9-14
+ * @version V1.0
+ */
+public class SQLOpenStatement extends SQLStatementImpl{
+	
+	//cursor name
+	private String cursorName; 
+	
+	public String getCursorName() {
+		return cursorName;
+	}
+	
+	public void setCursorName(String cursorName) {
+		this.cursorName = cursorName;
+	}
+
+	@Override
+	protected void accept0(SQLASTVisitor visitor) {
+		// TODO Auto-generated method stub
+		visitor.visit(this);
+	    visitor.endVisit(this);
+		
+	}
+
+}