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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 |
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| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
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| * software distributed under the License is distributed on an |
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| *************************************/ |
| |
| package test.java.org.trafodion.phoenix.end2end; |
| |
| import static org.junit.Assert.*; |
| import org.junit.*; |
| import java.sql.*; |
| import java.util.*; |
| |
| |
| public class TopNTest 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 " + ATABLE_NAME)); |
| doBaseTestSuiteSetup(); |
| } |
| /* @AfterClass, @Before, @After are defined in BaseTest */ |
| |
| @Test |
| public void testMultiOrderByExpr() throws Exception { |
| printTestDescription(); |
| |
| initATableValues(); |
| String query = null; |
| if (tgtPH()||tgtTR()) query = "SELECT entity_id FROM aTable ORDER BY b_string, entity_id LIMIT 5"; |
| else if (tgtSQ()) query = "SELECT [first 5] entity_id FROM aTable ORDER BY b_string, entity_id"; |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW1); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW4); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW7); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW2); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW5); |
| |
| assertFalse(rs.next()); |
| } finally { |
| } |
| } |
| |
| |
| @Test |
| public void testDescMultiOrderByExpr() throws Exception { |
| printTestDescription(); |
| |
| initATableValues(); |
| String query = null; |
| if (tgtPH()) query = "SELECT entity_id FROM aTable ORDER BY b_string || entity_id desc LIMIT 5"; |
| else if (tgtTR()) query = "SELECT entity_id, CONCAT(b_string, entity_id) as c FROM aTable ORDER BY c desc LIMIT 5"; |
| else if (tgtSQ()) query = "SELECT [first 5] entity_id, CONCAT(b_string, entity_id) as c FROM aTable ORDER BY c desc"; |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW9); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW6); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW3); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW8); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW5); |
| |
| assertFalse(rs.next()); |
| } finally { |
| } |
| } |
| |
| |
| @Test |
| public void testTopNDeleteAutoCommitOn() throws Exception { |
| printTestDescription(); |
| |
| testTopNDelete(true); |
| } |
| |
| @Test |
| public void testTopNDeleteAutoCommitOff() throws Exception { |
| printTestDescription(); |
| |
| testTopNDelete(false); |
| } |
| |
| private void testTopNDelete(boolean autoCommit) throws Exception { |
| initATableValues(); |
| String query = null; |
| if (tgtPH()) query = "DELETE FROM aTable ORDER BY b_string, entity_id LIMIT 5"; |
| // TRAF: Do not support ORDER BY in DELETE, nor in a subquery. |
| // So there is no way we can do [first N] delete and be sure which |
| // rows are deleted. |
| else if (tgtSQ()||tgtTR()) query = "DELETE FROM aTable where entity_id in ('" + ROW1 + "','" + ROW2 + "','" + ROW4 + "','" + ROW5 + "','" + ROW7 + "')"; |
| conn.setAutoCommit(autoCommit); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.execute(); |
| assertEquals(5,statement.getUpdateCount()); |
| if (!autoCommit) { |
| conn.commit(); |
| } |
| } finally { |
| conn.close(); |
| } |
| |
| conn = getConnection(); |
| if (tgtPH()) query = "SELECT entity_id FROM aTable ORDER BY b_string, x_decimal nulls last, 8-a_integer LIMIT 5"; |
| else if (tgtTR()) query = "SELECT entity_id FROM aTable ORDER BY b_string, x_decimal, a_integer desc LIMIT 5"; |
| else if (tgtSQ()) query = "SELECT [first 5] entity_id FROM aTable ORDER BY b_string, x_decimal, a_integer desc"; |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue (rs.next()); |
| assertEquals(ROW8, rs.getString(1)); |
| assertTrue (rs.next()); |
| assertEquals(ROW9, rs.getString(1)); |
| assertTrue (rs.next()); |
| assertEquals(ROW6, rs.getString(1)); |
| assertTrue (rs.next()); |
| assertEquals(ROW3, rs.getString(1)); |
| |
| assertFalse(rs.next()); |
| } finally { |
| } |
| } |
| |
| |
| } |