Examples with UnresolvedWildcardColumn org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn used on opensource projects

Example 6 with UnresolvedWildcardColumn

use of org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn in project drill by apache.

the class TestImplicitColumnParser method testLegacyWildcardAndFileMetadata.

/**
 * Combine wildcard and file metadata columns. The wildcard expands
 * table columns but not metadata columns.
 */
@Test
public void testLegacyWildcardAndFileMetadata() {
    Path filePath = new Path("hdfs:///w/x/y/z.csv");
    ImplicitColumnOptions options = standardOptions(filePath);
    options.useLegacyWildcardExpansion(true);
    ImplicitColumnManager implictColManager = new ImplicitColumnManager(fixture.getOptionManager(), options);
    ScanLevelProjection scanProj = ScanLevelProjection.build(RowSetTestUtils.projectList(SchemaPath.DYNAMIC_STAR, ScanTestUtils.FILE_NAME_COL, ScanTestUtils.SUFFIX_COL), Lists.newArrayList(implictColManager.projectionParser()));
    List<ColumnProjection> cols = scanProj.columns();
    assertEquals(5, cols.size());
    assertTrue(scanProj.columns().get(0) instanceof UnresolvedWildcardColumn);
    assertTrue(scanProj.columns().get(1) instanceof FileMetadataColumn);
    assertTrue(scanProj.columns().get(2) instanceof FileMetadataColumn);
    assertTrue(scanProj.columns().get(3) instanceof PartitionColumn);
    assertTrue(scanProj.columns().get(4) instanceof PartitionColumn);
}

Example 7 with UnresolvedWildcardColumn

use of org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn in project drill by apache.

the class TestImplicitColumnParser method testRevisedWildcard.

/**
 * Test wildcard expansion.
 */
@Test
public void testRevisedWildcard() {
    Path filePath = new Path("hdfs:///w/x/y/z.csv");
    ImplicitColumnManager implictColManager = new ImplicitColumnManager(fixture.getOptionManager(), standardOptions(filePath));
    ScanLevelProjection scanProj = ScanLevelProjection.build(RowSetTestUtils.projectAll(), Lists.newArrayList(implictColManager.projectionParser()));
    List<ColumnProjection> cols = scanProj.columns();
    assertEquals(1, cols.size());
    assertTrue(scanProj.columns().get(0) instanceof UnresolvedWildcardColumn);
}