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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.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.SQLObject;
import com.alibaba.druid.sql.ast.SQLStatementImpl;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.expr.SQLPropertyExpr;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class SQLCreateIndexStatement extends SQLStatementImpl implements SQLCreateStatement {
private SQLName name;
private SQLTableSource table;
private List items = new ArrayList();
private String type;
// for mysql
private String using;
private SQLExpr comment;
public SQLCreateIndexStatement(){
}
public SQLCreateIndexStatement(String dbType){
super (dbType);
}
public SQLTableSource getTable() {
return table;
}
public void setTable(SQLName table) {
this.setTable(new SQLExprTableSource(table));
}
public void setTable(SQLTableSource table) {
this.table = table;
}
public String getTableName() {
if (table instanceof SQLExprTableSource) {
SQLExpr expr = ((SQLExprTableSource) table).getExpr();
if (expr instanceof SQLIdentifierExpr) {
return ((SQLIdentifierExpr) expr).getName();
} else if (expr instanceof SQLPropertyExpr) {
return ((SQLPropertyExpr) expr).getName();
}
}
return null;
}
public List getItems() {
return items;
}
public void addItem(SQLSelectOrderByItem item) {
if (item != null) {
item.setParent(this);
}
this.items.add(item);
}
public SQLName getName() {
return name;
}
public void setName(SQLName name) {
this.name = name;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getUsing() {
return using;
}
public void setUsing(String using) {
this.using = using;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, name);
acceptChild(visitor, table);
acceptChild(visitor, items);
}
visitor.endVisit(this);
}
@Override
public List getChildren() {
List children = new ArrayList();
if (name != null) {
children.add(name);
}
if (table != null) {
children.add(table);
}
children.addAll(this.items);
return children;
}
public String getSchema() {
SQLName name = null;
if (table instanceof SQLExprTableSource) {
SQLExpr expr = ((SQLExprTableSource) table).getExpr();
if (expr instanceof SQLName) {
name = (SQLName) expr;
}
}
if (name == null) {
return null;
}
if (name instanceof SQLPropertyExpr) {
return ((SQLPropertyExpr) name).getOwnernName();
}
return null;
}
public SQLCreateIndexStatement clone() {
SQLCreateIndexStatement x = new SQLCreateIndexStatement();
if (name != null) {
x.setName(name.clone());
}
if (table != null) {
x.setTable(table.clone());
}
for (SQLSelectOrderByItem item : items) {
SQLSelectOrderByItem item2 = item.clone();
item2.setParent(x);
x.items.add(item2);
}
x.type = type;
x.using = using;
if (comment != null) {
x.setComment(comment.clone());
}
return x;
}
public SQLExpr getComment() {
return comment;
}
public void setComment(SQLExpr x) {
if (x != null) {
x.setParent(this);
}
this.comment = x;
}
}