/*
* 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.sqlserver;
import java.util.List;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelect;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.sqlserver.ast.SQLServerSelectQueryBlock;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
import com.alibaba.druid.util.JdbcUtils;
public class SQLServerSelectTest_cross_apply extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName, EmpSalary FROM Departments d CROSS APPLY dbo.GetReports(d.DeptMgrID)";
SQLServerStatementParser parser = new SQLServerStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
SQLSelectStatement selectStmt = (SQLSelectStatement) stmt;
SQLSelect select = selectStmt.getSelect();
Assert.assertNotNull(select.getQuery());
SQLServerSelectQueryBlock queryBlock = (SQLServerSelectQueryBlock) select.getQuery();
Assert.assertNull(queryBlock.getGroupBy());
String fomatSQL = SQLUtils.toSQLString(statementList, JdbcUtils.SQL_SERVER);
// System.out.println(fomatSQL);
Assert.assertEquals(1, statementList.size());
SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
// System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(7, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertEquals(0, visitor.getOrderByColumns().size());
String expected = "SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName"//
+ "\n\t, EmpSalary"//
+ "\nFROM Departments d" //
+ "\n\tCROSS APPLY dbo.GetReports(d.DeptMgrID)";
Assert.assertEquals(expected, fomatSQL);
}
}