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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 CoalesceFunctionTest 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 testCoalesce() throws Exception {
        printTestDescription();

        initATableValues();
        String query = null;
        if (tgtPH()) query = "SELECT entity_id, a_integer + COALESCE(x_integer,1) FROM ATABLE WHERE organization_id = ? AND a_integer >= 6 AND a_integer <= 7";
        else if (tgtSQ()||tgtTR()) query = "SELECT entity_id, a_integer + COALESCE(x_integer,1) FROM ATABLE WHERE organization_id = ? AND a_integer >= 6 AND a_integer <= 7 order by 1";

        PreparedStatement statement = conn.prepareStatement(query);
        statement.setString(1, tenantId);
        ResultSet rs = statement.executeQuery();
        
        assertTrue (rs.next());
        assertEquals(ROW6, rs.getString(1));
        assertEquals(7, rs.getInt(2));
        
        assertTrue (rs.next());
        assertEquals(ROW7, rs.getString(1));
        assertEquals(12, rs.getInt(2));
        
        assertFalse(rs.next());
        conn.close();
    }

}