/*
* Copyright 1999-2017 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.bvt.sql.postgresql.select;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;
import org.junit.Assert;
import java.util.List;
public class PGSelectTest47 extends PGTest {
private String dbType = JdbcConstants.POSTGRESQL;
public void test_0() throws Exception {
String sql = "SELECT\n" +
"u.userid,\n" +
"u.phonenumber,\n" +
"u.cdate,\n" +
"u.udate,\n" +
"u.wechatid,\n" +
"u.wechatnickname,\n" +
"u.wechattime,\n" +
"b. ID,\n" +
"b.username serviceStaffName,\n" +
"u.appid,\n" +
"s. ID servicegroupid,\n" +
"n.total_amount blackNumber\n" +
"FROM\n" +
"users u\n" +
"LEFT JOIN user_servicegroup s ON u.userid = s.userid\n" +
"LEFT JOIN jcs_user_base b ON s.servicestaffid = b. ID\n" +
"LEFT JOIN jcs_user_purchase_record r ON u.userid = r.user_id\n" +
"LEFT JOIN user_black_article_number n ON u.userid = n.userid\n" +
"WHERE\n" +
"u.isactive = TRUE\n" +
"ORDER BY\n" +
"n.total_amount DESC NULLS LAST";
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, dbType);
SQLStatement stmt = statementList.get(0);
Assert.assertEquals("SELECT u.userid, u.phonenumber, u.cdate, u.udate, u.wechatid\n" +
"\t, u.wechatnickname, u.wechattime, b.ID, b.username AS serviceStaffName, u.appid\n" +
"\t, s.ID AS servicegroupid, n.total_amount AS blackNumber\n" +
"FROM users u\n" +
"\tLEFT JOIN user_servicegroup s ON u.userid = s.userid\n" +
"\tLEFT JOIN jcs_user_base b ON s.servicestaffid = b.ID\n" +
"\tLEFT JOIN jcs_user_purchase_record r ON u.userid = r.user_id\n" +
"\tLEFT JOIN user_black_article_number n ON u.userid = n.userid\n" +
"WHERE u.isactive = true\n" +
"ORDER BY n.total_amount DESC NULLS LAST", SQLUtils.toPGString(stmt));
Assert.assertEquals("select u.userid, u.phonenumber, u.cdate, u.udate, u.wechatid\n" +
"\t, u.wechatnickname, u.wechattime, b.ID, b.username as serviceStaffName, u.appid\n" +
"\t, s.ID as servicegroupid, n.total_amount as blackNumber\n" +
"from users u\n" +
"\tleft join user_servicegroup s on u.userid = s.userid\n" +
"\tleft join jcs_user_base b on s.servicestaffid = b.ID\n" +
"\tleft join jcs_user_purchase_record r on u.userid = r.user_id\n" +
"\tleft join user_black_article_number n on u.userid = n.userid\n" +
"where u.isactive = true\n" +
"order by n.total_amount desc NULLS LAST", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
Assert.assertEquals(17, visitor.getColumns().size());
Assert.assertEquals(5, visitor.getTables().size());
}
}