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| * Later modifications to test Trafodion instead of Phoenix were granted to ASF. |
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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 ReadIsolationLevelTest 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 */ |
| |
| private static final String ENTITY_ID1= "000000000000001"; |
| private static final String ENTITY_ID2= "000000000000002"; |
| private static final String VALUE1 = "a"; |
| private static final String VALUE2= "b"; |
| |
| private void initTableValues() throws Exception { |
| createTestTable(ATABLE_NAME); |
| |
| // Insert all rows at ts |
| PreparedStatement stmt = null; |
| if (tgtPH()) stmt = conn.prepareStatement( |
| "upsert into ATABLE VALUES (?, ?, ?)"); |
| else if (tgtTR()) stmt = conn.prepareStatement( |
| "upsert into ATABLE (ORGANIZATION_ID, ENTITY_ID, A_STRING) VALUES (?, ?, ?)"); |
| else if (tgtSQ()) stmt = conn.prepareStatement( |
| "insert into ATABLE (ORGANIZATION_ID, ENTITY_ID, A_STRING) VALUES (?, ?, ?)"); |
| stmt.setString(1, tenantId); |
| stmt.setString(2, ENTITY_ID1); |
| stmt.setString(3, VALUE1); |
| stmt.execute(); // should commit too |
| |
| stmt.setString(2, ENTITY_ID2); |
| stmt.setString(3, VALUE2); |
| stmt.execute(); // should commit too |
| |
| } |
| |
| @Test |
| public void testStatementReadIsolationLevel() throws Exception { |
| printTestDescription(); |
| |
| initTableValues(); |
| String query = null; |
| if (tgtPH()) query = "SELECT A_STRING FROM ATABLE WHERE ORGANIZATION_ID=? AND ENTITY_ID=?"; |
| else if (tgtSQ()||tgtTR()) query = "SELECT A_STRING FROM ATABLE WHERE ORGANIZATION_ID=? AND ENTITY_ID=?"; |
| |
| conn.setAutoCommit(true); |
| |
| Connection conn2 = getConnection(); |
| Connection conn3 = getConnection(); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| statement.setString(2, ENTITY_ID1); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| |
| // Locate existing row and reset one of it's KVs. |
| // Insert all rows at ts |
| // TRAF: The original test play swith differnt timestamps as SCN |
| // in differet conn, this SCN concept does not apply to us. |
| if (tgtPH()) { |
| PreparedStatement stmt = conn.prepareStatement("upsert into ATABLE VALUES (?, ?, ?)"); |
| stmt.setString(1, tenantId); |
| stmt.setString(2, ENTITY_ID1); |
| stmt.setString(3, VALUE2); |
| stmt.execute(); |
| |
| PreparedStatement statement2 = conn2.prepareStatement(query); |
| statement2.setString(1, tenantId); |
| statement2.setString(2, ENTITY_ID1); |
| // Run another query through same connection and make sure |
| // you can find the new row |
| rs = statement2.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE2, rs.getString(1)); |
| assertFalse(rs.next()); |
| } |
| |
| PreparedStatement statement3 = conn3.prepareStatement(query); |
| statement3.setString(1, tenantId); |
| statement3.setString(2, ENTITY_ID1); |
| rs = statement3.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn2.close(); |
| conn3.close(); |
| } |
| } |
| |
| @Test |
| public void testConnectionReadIsolationLevel() throws Exception { |
| printTestDescription(); |
| |
| initTableValues(); |
| String query = "SELECT A_STRING FROM ATABLE WHERE ORGANIZATION_ID=? AND ENTITY_ID=?"; |
| conn.setAutoCommit(true); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| statement.setString(2, ENTITY_ID1); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| |
| // Locate existing row and reset one of it's KVs. |
| // Insert all rows at ts |
| // TRAF: this test does upsert using an older ts as SCN, so that it |
| // did not take effect? |
| if (tgtPH()) { |
| PreparedStatement stmt = conn.prepareStatement("upsert into ATABLE VALUES (?, ?, ?)"); |
| stmt.setString(1, tenantId); |
| stmt.setString(2, ENTITY_ID1); |
| stmt.setString(3, VALUE2); |
| stmt.execute(); |
| } |
| // Run another query through same connection and make sure |
| // you can't find the new row |
| rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| } |
| } |
| } |