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| /********************************** |
| * |
| * Later modifications to test Trafodion instead of Phoenix were granted to ASF. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
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| * 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 |
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| * specific language governing permissions and limitations |
| * under the License. |
| *************************************/ |
| |
| package test.java.org.trafodion.phoenix.end2end; |
| |
| import static org.junit.Assert.*; |
| import org.junit.*; |
| import java.sql.*; |
| import java.util.*; |
| |
| public class GroupByCaseTest extends BaseTest { |
| |
| @BeforeClass |
| public static void doTestSuiteSetup() throws Exception { |
| /* List all of the object names being used in this entire class. |
| * The objects are dropped with errors ignored, so it is OK if the |
| * object does not exist for a particular test. |
| */ |
| objDropList = new ArrayList<String>( |
| Arrays.asList("table " + GROUPBYTEST_NAME)); |
| doBaseTestSuiteSetup(); |
| } |
| /* @AfterClass, @Before, @After are defined in BaseTest */ |
| |
| private void createTable() throws Exception { |
| createTestTable(GROUPBYTEST_NAME); |
| } |
| |
| private void loadData() throws SQLException { |
| insertRow("Report1", 10); |
| insertRow("Report2", 10); |
| insertRow("Report3", 30); |
| insertRow("Report4", 30); |
| insertRow("SOQL1", 10); |
| insertRow("SOQL2", 10); |
| insertRow("SOQL3", 30); |
| insertRow("SOQL4", 30); |
| } |
| |
| private int id; |
| |
| private void insertRow(String uri, int appcpu) throws SQLException { |
| PreparedStatement statement = null; |
| |
| if (tgtPH()||tgtTR()) statement = conn.prepareStatement("UPSERT INTO " + GROUPBYTEST_NAME + "(id, uri, appcpu) values (?,?,?)"); |
| else if (tgtSQ()) statement = conn.prepareStatement("INSERT INTO " + GROUPBYTEST_NAME + "(id, uri, appcpu) values (?,?,?)"); |
| statement.setString(1, "id" + id); |
| statement.setString(2, uri); |
| statement.setInt(3, appcpu); |
| statement.executeUpdate(); |
| id++; |
| } |
| |
| @Test |
| public void testGroupByCase() throws Exception { |
| printTestDescription(); |
| |
| String GROUPBY1 = null; |
| String GROUPBY2 = null; |
| String GROUPBY3 = null; |
| |
| if (tgtPH()) { |
| GROUPBY1 = "select " + |
| "case when uri LIKE 'Report%' then 'Reports' else 'Other' END category" + |
| ", avg(appcpu) from " + GROUPBYTEST_NAME + |
| " group by category"; |
| GROUPBY2 = "select " + |
| "case uri when 'Report%' then 'Reports' else 'Other' END category" + |
| ", avg(appcpu) from " + GROUPBYTEST_NAME + |
| " group by appcpu, category"; |
| GROUPBY3 = "select " + |
| "case uri when 'Report%' then 'Reports' else 'Other' END category" + |
| ", avg(appcpu) from " + GROUPBYTEST_NAME + |
| " group by avg(appcpu), category"; |
| } else if (tgtSQ()||tgtTR()) { |
| GROUPBY1 = "select " + |
| "case when uri LIKE 'Report%' then 'Reports' else 'Other' END AS category" + |
| ", avg(appcpu) from " + GROUPBYTEST_NAME + |
| // TRAF " group by category"; |
| /* TRAF */ " group by uri"; |
| GROUPBY2 = "select " + |
| "case uri when 'Report%' then 'Reports' else 'Other' END AS category" + |
| ", avg(appcpu) from " + GROUPBYTEST_NAME + |
| // TRAF " group by appcpu, category"; |
| /* TRAF */ " group by appcpu, uri"; |
| GROUPBY3 = "select " + |
| "case uri when 'Report%' then 'Reports' else 'Other' END AS category" + |
| ", avg(appcpu) from " + GROUPBYTEST_NAME + |
| // TRAF " group by avg(appcpu), category"; |
| /* TRAF */ " group by avg(appcpu), uri"; |
| } |
| |
| GroupByCaseTest gbt = new GroupByCaseTest(); |
| gbt.createTable(); |
| gbt.loadData(); |
| gbt.executeQuery(conn,GROUPBY1); |
| gbt.executeQuery(conn,GROUPBY2); |
| // TODO: validate query results |
| try { |
| gbt.executeQuery(conn,GROUPBY3); |
| fail(); |
| } catch (SQLException e) { |
| if (tgtPH()) assertTrue(e.getMessage().contains("Aggregate expressions may not be used in GROUP BY")); |
| else if (tgtSQ()||tgtTR()) assertTrue(e.getMessage().contains("*** ERROR[4197] This expression cannot be used in the GROUP BY clause.")); |
| } |
| |
| } |
| |
| @Test |
| public void testScanUri() throws Exception { |
| printTestDescription(); |
| |
| GroupByCaseTest gbt = new GroupByCaseTest(); |
| gbt.createTable(); |
| gbt.loadData(); |
| Statement stmt = conn.createStatement(); |
| ResultSet rs = null; |
| if (tgtPH()) rs = stmt.executeQuery("select uri from " + GROUPBYTEST_NAME); |
| else if (tgtSQ()||tgtTR()) rs = stmt.executeQuery("select uri from " + GROUPBYTEST_NAME + " order by 1"); |
| assertTrue(rs.next()); |
| assertEquals("Report1", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("Report2", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("Report3", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("Report4", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("SOQL1", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("SOQL2", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("SOQL3", rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals("SOQL4", rs.getString(1)); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void testCount() throws Exception { |
| printTestDescription(); |
| |
| GroupByCaseTest gbt = new GroupByCaseTest(); |
| gbt.createTable(); |
| gbt.loadData(); |
| Statement stmt = conn.createStatement(); |
| ResultSet rs = stmt.executeQuery("select count(1) from " + GROUPBYTEST_NAME); |
| assertTrue(rs.next()); |
| assertEquals(8, rs.getInt(1)); |
| assertFalse(rs.next()); |
| } |
| |
| /* TRAF |
| @edu.umd.cs.findbugs.annotations.SuppressWarnings( |
| value="RV_RETURN_VALUE_IGNORED", |
| justification="Test code.") |
| */ |
| |
| private void executeQuery(Connection conn, String query) throws SQLException { |
| PreparedStatement st = conn.prepareStatement(query); |
| st.executeQuery(); |
| } |
| } |