com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlDeleteStatement Maven / Gradle / Ivy
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An JDBC datasource implementation.
/*
* Copyright 1999-2018 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.mysql.ast.statement;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLCommentHint;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.SQLOrderBy;
import com.alibaba.druid.sql.ast.statement.SQLDeleteStatement;
import com.alibaba.druid.sql.ast.statement.SQLTableSource;
import com.alibaba.druid.sql.ast.SQLLimit;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
import com.alibaba.druid.util.JdbcConstants;
public class MySqlDeleteStatement extends SQLDeleteStatement {
private boolean lowPriority = false;
private boolean quick = false;
private boolean ignore = false;
private SQLOrderBy orderBy;
private SQLLimit limit;
private List hints;
// for petadata
private boolean forceAllPartitions = false;
private SQLName forcePartition;
public MySqlDeleteStatement(){
super(JdbcConstants.MYSQL);
}
public MySqlDeleteStatement clone() {
MySqlDeleteStatement x = new MySqlDeleteStatement();
cloneTo(x);
x.lowPriority = lowPriority;
x.quick = quick;
x.ignore = ignore;
if (using != null) {
x.setUsing(using.clone());
}
if (orderBy != null) {
x.setOrderBy(orderBy.clone());
}
if (limit != null) {
x.setLimit(limit.clone());
}
return x;
}
public List getHints() {
if (hints == null) {
hints = new ArrayList();
}
return hints;
}
public int getHintsSize() {
if (hints == null) {
return 0;
}
return hints.size();
}
public boolean isLowPriority() {
return lowPriority;
}
public void setLowPriority(boolean lowPriority) {
this.lowPriority = lowPriority;
}
public boolean isQuick() {
return quick;
}
public void setQuick(boolean quick) {
this.quick = quick;
}
public boolean isIgnore() {
return ignore;
}
public void setIgnore(boolean ignore) {
this.ignore = ignore;
}
public SQLOrderBy getOrderBy() {
return orderBy;
}
public void setOrderBy(SQLOrderBy orderBy) {
this.orderBy = orderBy;
}
public SQLLimit getLimit() {
return limit;
}
public void setLimit(SQLLimit limit) {
if (limit != null) {
limit.setParent(this);
}
this.limit = limit;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor instanceof MySqlASTVisitor) {
accept0((MySqlASTVisitor) visitor);
} else {
super.accept0(visitor);
}
}
public void output(StringBuffer buf) {
new MySqlOutputVisitor(buf).visit(this);
}
protected void accept0(MySqlASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, tableSource);
acceptChild(visitor, where);
acceptChild(visitor, from);
acceptChild(visitor, using);
acceptChild(visitor, orderBy);
acceptChild(visitor, limit);
}
visitor.endVisit(this);
}
public boolean isForceAllPartitions() {
return forceAllPartitions;
}
public void setForceAllPartitions(boolean forceAllPartitions) {
this.forceAllPartitions = forceAllPartitions;
}
public SQLName getForcePartition() {
return forcePartition;
}
public void setForcePartition(SQLName x) {
if (x != null) {
x.setParent(this);
}
this.forcePartition = x;
}
}