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Example 6 with ColumnProjection

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

the class TestImplicitColumnParser method testLegacyWildcardAndFileMetadataMixed.

/**
 * As above, but include implicit columns before and after the
 * wildcard.
 */
@Test
public void testLegacyWildcardAndFileMetadataMixed() {
    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(ScanTestUtils.FILE_NAME_COL, SchemaPath.DYNAMIC_STAR, ScanTestUtils.SUFFIX_COL), Lists.newArrayList(implictColManager.projectionParser()));
    List<ColumnProjection> cols = scanProj.columns();
    assertEquals(5, cols.size());
    assertTrue(scanProj.columns().get(0) instanceof FileMetadataColumn);
    assertTrue(scanProj.columns().get(1) instanceof UnresolvedWildcardColumn);
    assertTrue(scanProj.columns().get(2) instanceof FileMetadataColumn);
    assertTrue(scanProj.columns().get(3) instanceof PartitionColumn);
    assertTrue(scanProj.columns().get(4) instanceof PartitionColumn);
}
Also used : SchemaPath(org.apache.drill.common.expression.SchemaPath) Path(org.apache.hadoop.fs.Path) ImplicitColumnManager(org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager) ImplicitColumnOptions(org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager.ImplicitColumnOptions) ScanLevelProjection(org.apache.drill.exec.physical.impl.scan.project.ScanLevelProjection) ColumnProjection(org.apache.drill.exec.physical.impl.scan.project.ColumnProjection) UnresolvedWildcardColumn(org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn) PartitionColumn(org.apache.drill.exec.physical.impl.scan.file.PartitionColumn) FileMetadataColumn(org.apache.drill.exec.physical.impl.scan.file.FileMetadataColumn) SubOperatorTest(org.apache.drill.test.SubOperatorTest) Test(org.junit.Test)

Example 7 with ColumnProjection

use of org.apache.drill.exec.physical.impl.scan.project.ColumnProjection 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);
}
Also used : SchemaPath(org.apache.drill.common.expression.SchemaPath) Path(org.apache.hadoop.fs.Path) ImplicitColumnManager(org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager) ImplicitColumnOptions(org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager.ImplicitColumnOptions) ScanLevelProjection(org.apache.drill.exec.physical.impl.scan.project.ScanLevelProjection) ColumnProjection(org.apache.drill.exec.physical.impl.scan.project.ColumnProjection) UnresolvedWildcardColumn(org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn) PartitionColumn(org.apache.drill.exec.physical.impl.scan.file.PartitionColumn) FileMetadataColumn(org.apache.drill.exec.physical.impl.scan.file.FileMetadataColumn) SubOperatorTest(org.apache.drill.test.SubOperatorTest) Test(org.junit.Test)

Example 8 with ColumnProjection

use of org.apache.drill.exec.physical.impl.scan.project.ColumnProjection 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);
}
Also used : SchemaPath(org.apache.drill.common.expression.SchemaPath) Path(org.apache.hadoop.fs.Path) ImplicitColumnManager(org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager) ScanLevelProjection(org.apache.drill.exec.physical.impl.scan.project.ScanLevelProjection) ColumnProjection(org.apache.drill.exec.physical.impl.scan.project.ColumnProjection) UnresolvedWildcardColumn(org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn) SubOperatorTest(org.apache.drill.test.SubOperatorTest) Test(org.junit.Test)

Aggregations

ImplicitColumnManager (org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager)8 ColumnProjection (org.apache.drill.exec.physical.impl.scan.project.ColumnProjection)8 ScanLevelProjection (org.apache.drill.exec.physical.impl.scan.project.ScanLevelProjection)8 SubOperatorTest (org.apache.drill.test.SubOperatorTest)8 Path (org.apache.hadoop.fs.Path)8 Test (org.junit.Test)8 SchemaPath (org.apache.drill.common.expression.SchemaPath)7 PartitionColumn (org.apache.drill.exec.physical.impl.scan.file.PartitionColumn)6 UnresolvedWildcardColumn (org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedWildcardColumn)6 FileMetadataColumn (org.apache.drill.exec.physical.impl.scan.file.FileMetadataColumn)4 ImplicitColumnOptions (org.apache.drill.exec.physical.impl.scan.file.ImplicitColumnManager.ImplicitColumnOptions)4 UnresolvedColumn (org.apache.drill.exec.physical.impl.scan.project.AbstractUnresolvedColumn.UnresolvedColumn)2 ExplicitSchemaProjection (org.apache.drill.exec.physical.impl.scan.project.ExplicitSchemaProjection)1 NullColumnBuilder (org.apache.drill.exec.physical.impl.scan.project.NullColumnBuilder)1 NullBuilderBuilder (org.apache.drill.exec.physical.impl.scan.project.NullColumnBuilder.NullBuilderBuilder)1 ResolvedColumn (org.apache.drill.exec.physical.impl.scan.project.ResolvedColumn)1 ResolvedRow (org.apache.drill.exec.physical.impl.scan.project.ResolvedTuple.ResolvedRow)1 SchemaBuilder (org.apache.drill.exec.record.metadata.SchemaBuilder)1 TupleMetadata (org.apache.drill.exec.record.metadata.TupleMetadata)1