Examples with RowSet org.apache.drill.test.rowSet.RowSet used on opensource projects

Example 21 with RowSet

use of org.apache.drill.test.rowSet.RowSet in project drill by axbaretto.

the class TestResultSetLoaderProtocol method testCaseInsensitiveSchema.

/**
 * Schemas are case insensitive by default. Verify that
 * the schema mechanism works, with emphasis on the
 * case insensitive case.
 * <p>
 * The tests here and elsewhere build columns from a
 * <tt>MaterializedField</tt>. Doing so is rather old-school;
 * better to use the newer <tt>ColumnMetadata</tt> which provides
 * additional information. The code here simply uses the <tt>MaterializedField</tt>
 * to create a <tt>ColumnMetadata</tt> implicitly.
 */
@Test
public void testCaseInsensitiveSchema() {
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator());
    RowSetLoader rootWriter = rsLoader.writer();
    TupleMetadata schema = rootWriter.schema();
    assertEquals(0, rsLoader.schemaVersion());
    // No columns defined in schema
    assertNull(schema.metadata("a"));
    try {
        schema.column(0);
        fail();
    } catch (IndexOutOfBoundsException e) {
    // Expected
    }
    try {
        rootWriter.column("a");
        fail();
    } catch (UndefinedColumnException e) {
    // Expected
    }
    try {
        rootWriter.column(0);
        fail();
    } catch (IndexOutOfBoundsException e) {
    // Expected
    }
    // Define a column
    assertEquals(0, rsLoader.schemaVersion());
    MaterializedField colSchema = SchemaBuilder.columnSchema("a", MinorType.VARCHAR, DataMode.REQUIRED);
    rootWriter.addColumn(colSchema);
    assertEquals(1, rsLoader.schemaVersion());
    // Can now be found, case insensitive
    assertTrue(colSchema.isEquivalent(schema.column(0)));
    ColumnMetadata colMetadata = schema.metadata(0);
    assertSame(colMetadata, schema.metadata("a"));
    assertSame(colMetadata, schema.metadata("A"));
    assertNotNull(rootWriter.column(0));
    assertNotNull(rootWriter.column("a"));
    assertNotNull(rootWriter.column("A"));
    assertEquals(1, schema.size());
    assertEquals(0, schema.index("a"));
    assertEquals(0, schema.index("A"));
    try {
        rootWriter.addColumn(colSchema);
        fail();
    } catch (IllegalArgumentException e) {
    // Expected
    }
    try {
        MaterializedField testCol = SchemaBuilder.columnSchema("A", MinorType.VARCHAR, DataMode.REQUIRED);
        rootWriter.addColumn(testCol);
        fail();
    } catch (IllegalArgumentException e) {
        // Expected
        assertTrue(e.getMessage().contains("Duplicate"));
    }
    // Can still add required fields while writing the first row.
    rsLoader.startBatch();
    rootWriter.start();
    rootWriter.scalar(0).setString("foo");
    MaterializedField col2 = SchemaBuilder.columnSchema("b", MinorType.VARCHAR, DataMode.REQUIRED);
    rootWriter.addColumn(col2);
    assertTrue(col2.isEquivalent(schema.column(1)));
    ColumnMetadata col2Metadata = schema.metadata(1);
    assertSame(col2Metadata, schema.metadata("b"));
    assertSame(col2Metadata, schema.metadata("B"));
    assertEquals(2, schema.size());
    assertEquals(1, schema.index("b"));
    assertEquals(1, schema.index("B"));
    rootWriter.scalar(1).setString("second");
    // After first row, can add an optional or repeated.
    // Also allows a required field: values will be back-filled.
    rootWriter.save();
    rootWriter.start();
    rootWriter.scalar(0).setString("bar");
    rootWriter.scalar(1).setString("");
    MaterializedField col3 = SchemaBuilder.columnSchema("c", MinorType.VARCHAR, DataMode.REQUIRED);
    rootWriter.addColumn(col3);
    assertTrue(col3.isEquivalent(schema.column(2)));
    ColumnMetadata col3Metadata = schema.metadata(2);
    assertSame(col3Metadata, schema.metadata("c"));
    assertSame(col3Metadata, schema.metadata("C"));
    assertEquals(3, schema.size());
    assertEquals(2, schema.index("c"));
    assertEquals(2, schema.index("C"));
    rootWriter.scalar("c").setString("c.2");
    MaterializedField col4 = SchemaBuilder.columnSchema("d", MinorType.VARCHAR, DataMode.OPTIONAL);
    rootWriter.addColumn(col4);
    assertTrue(col4.isEquivalent(schema.column(3)));
    ColumnMetadata col4Metadata = schema.metadata(3);
    assertSame(col4Metadata, schema.metadata("d"));
    assertSame(col4Metadata, schema.metadata("D"));
    assertEquals(4, schema.size());
    assertEquals(3, schema.index("d"));
    assertEquals(3, schema.index("D"));
    rootWriter.scalar("d").setString("d.2");
    MaterializedField col5 = SchemaBuilder.columnSchema("e", MinorType.VARCHAR, DataMode.REPEATED);
    rootWriter.addColumn(col5);
    assertTrue(col5.isEquivalent(schema.column(4)));
    ColumnMetadata col5Metadata = schema.metadata(4);
    assertSame(col5Metadata, schema.metadata("e"));
    assertSame(col5Metadata, schema.metadata("E"));
    assertEquals(5, schema.size());
    assertEquals(4, schema.index("e"));
    assertEquals(4, schema.index("E"));
    rootWriter.array(4).set("e1", "e2", "e3");
    rootWriter.save();
    // Verify. No reason to expect problems, but might as well check.
    RowSet result = fixture.wrap(rsLoader.harvest());
    assertEquals(5, rsLoader.schemaVersion());
    SingleRowSet expected = fixture.rowSetBuilder(result.batchSchema()).addRow("foo", "second", "", null, strArray()).addRow("bar", "", "c.2", "d.2", strArray("e1", "e2", "e3")).build();
    new RowSetComparison(expected).verifyAndClearAll(result);
    // Handy way to test that close works to abort an in-flight batch
    // and clean up.
    rsLoader.close();
}

Example 22 with RowSet

use of org.apache.drill.test.rowSet.RowSet in project drill by axbaretto.

the class TestResultSetLoaderProtocol method testInitialSchema.

/**
 * Provide a schema up front to the loader; schema is built before
 * the first row.
 * <p>
 * Also verifies the test-time method to set a row of values using
 * a single method.
 */
@Test
public void testInitialSchema() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addNullable("b", MinorType.INT).add("c", MinorType.VARCHAR).buildSchema();
    ResultSetLoaderImpl.ResultSetOptions options = new OptionBuilder().setSchema(schema).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    RowSetLoader rootWriter = rsLoader.writer();
    rsLoader.startBatch();
    rootWriter.addRow(10, 100, "fred").addRow(20, null, "barney").addRow(30, 300, "wilma");
    RowSet actual = fixture.wrap(rsLoader.harvest());
    RowSet expected = fixture.rowSetBuilder(schema).addRow(10, 100, "fred").addRow(20, null, "barney").addRow(30, 300, "wilma").build();
    new RowSetComparison(expected).verifyAndClearAll(actual);
    rsLoader.close();
}

Example 23 with RowSet

use of org.apache.drill.test.rowSet.RowSet in project drill by axbaretto.

the class TestCsv method testCsvHeadersCaseInsensitive.

// Test fix for DRILL-5590
@Test
public void testCsvHeadersCaseInsensitive() throws IOException {
    String fileName = "case2.csv";
    buildFile(fileName, validHeaders);
    String sql = "SELECT A, b, C FROM `dfs.data`.`%s`";
    RowSet actual = client.queryBuilder().sql(sql, fileName).rowSet();
    BatchSchema expectedSchema = new SchemaBuilder().add("A", MinorType.VARCHAR).add("b", MinorType.VARCHAR).add("C", MinorType.VARCHAR).build();
    assertTrue(expectedSchema.isEquivalent(actual.batchSchema()));
    RowSet expected = new RowSetBuilder(client.allocator(), expectedSchema).addRow("10", "foo", "bar").build();
    new RowSetComparison(expected).verifyAndClearAll(actual);
}

Example 24 with RowSet

use of org.apache.drill.test.rowSet.RowSet in project drill by axbaretto.

the class TestCsv method testValidCsvHeaders.

@Test
public void testValidCsvHeaders() throws IOException {
    String fileName = "case2.csv";
    buildFile(fileName, validHeaders);
    RowSet actual = client.queryBuilder().sql(makeStatement(fileName)).rowSet();
    BatchSchema expectedSchema = new SchemaBuilder().add("a", MinorType.VARCHAR).add("b", MinorType.VARCHAR).add("c", MinorType.VARCHAR).build();
    RowSet expected = new RowSetBuilder(client.allocator(), expectedSchema).addRow("10", "foo", "bar").build();
    new RowSetComparison(expected).verifyAndClearAll(actual);
}

Example 25 with RowSet

use of org.apache.drill.test.rowSet.RowSet in project drill by axbaretto.

the class ClusterTest method runAndPrint.

/**
 * Handy development-time tool to run a query and print the results. Use this
 * when first developing tests. Then, encode the expected results using
 * the appropriate tool and verify them rather than just printing them to
 * create the final test.
 *
 * @param sql the query to run
 */
protected void runAndPrint(String sql) {
    QueryResultSet results = client.queryBuilder().sql(sql).resultSet();
    try {
        for (; ; ) {
            RowSet rowSet = results.next();
            if (rowSet == null) {
                break;
            }
            if (rowSet.rowCount() > 0) {
                rowSet.print();
            }
            rowSet.clear();
        }
        System.out.println(results.recordCount());
    } catch (Exception e) {
        throw new IllegalStateException(e);
    } finally {
        results.close();
    }
}