/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.shardingsphere.core.parse.antlr.sql.statement.dml;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;
import org.apache.shardingsphere.core.parse.old.parser.context.condition.Column;
import org.apache.shardingsphere.core.parse.old.parser.expression.SQLExpression;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Update statement.
 *
 * @author zhangliang
 */
@ToString(callSuper = true)
@Getter
@Setter
public final class UpdateStatement extends DMLStatement {
    
    private final Map<Column, SQLExpression> assignments = new LinkedHashMap<>();
    
    private int whereStartIndex;
    
    private int whereStopIndex;
    
    private int whereParameterStartIndex;
    
    private int whereParameterEndIndex;
}

@@ -935,16 +935,83 @@
 String;%0A
+import org.apache.shardingsphere.core.exception.ShardingException;%0A
 import o
@@ -1163,16 +1163,284 @@
 ression;
+%0Aimport org.apache.shardingsphere.core.parse.old.parser.expression.SQLNumberExpression;%0Aimport org.apache.shardingsphere.core.parse.old.parser.expression.SQLParameterMarkerExpression;%0Aimport org.apache.shardingsphere.core.parse.old.parser.expression.SQLTextExpression;
 %0A%0Aimport
@@ -1465,16 +1465,39 @@
 ashMap;%0A
+import java.util.List;%0A
 import j
@@ -1921,10 +1921,729 @@
 dIndex;%0A
+    %0A    public Comparable%3C?%3E getColumnValue(final Column column, final List%3CObject%3E parameters) %7B%0A        SQLExpression sqlExpression = assignments.get(column);%0A        if (sqlExpression instanceof SQLParameterMarkerExpression) %7B%0A            return parameters.get(((SQLParameterMarkerExpression) sqlExpression).getIndex()).toString();%0A        %7D%0A        if (sqlExpression instanceof SQLTextExpression) %7B%0A            return ((SQLTextExpression) sqlExpression).getText();%0A        %7D%0A        if (sqlExpression instanceof SQLNumberExpression) %7B%0A            return (Comparable) ((SQLNumberExpression) sqlExpression).getNumber();%0A        %7D%0A       throw new ShardingException(%22Can not find column value by %25s.%22, column);%0A    %7D%0A
 %7D%0A

add getColumnValue()