Examples with ManifestFile org.apache.iceberg.ManifestFile used on opensource projects

Example 1 with ManifestFile

use of org.apache.iceberg.ManifestFile in project hive by apache.

the class HiveTableTest method testDropTable.

@Test
public void testDropTable() throws IOException {
    Table table = catalog.loadTable(TABLE_IDENTIFIER);
    GenericRecordBuilder recordBuilder = new GenericRecordBuilder(AvroSchemaUtil.convert(schema, "test"));
    List<GenericData.Record> records = Lists.newArrayList(recordBuilder.set("id", 1L).build(), recordBuilder.set("id", 2L).build(), recordBuilder.set("id", 3L).build());
    String location1 = table.location().replace("file:", "") + "/data/file1.avro";
    try (FileAppender<GenericData.Record> writer = Avro.write(Files.localOutput(location1)).schema(schema).named("test").build()) {
        for (GenericData.Record rec : records) {
            writer.add(rec);
        }
    }
    String location2 = table.location().replace("file:", "") + "/data/file2.avro";
    try (FileAppender<GenericData.Record> writer = Avro.write(Files.localOutput(location2)).schema(schema).named("test").build()) {
        for (GenericData.Record rec : records) {
            writer.add(rec);
        }
    }
    DataFile file1 = DataFiles.builder(table.spec()).withRecordCount(3).withPath(location1).withFileSizeInBytes(Files.localInput(location2).getLength()).build();
    DataFile file2 = DataFiles.builder(table.spec()).withRecordCount(3).withPath(location2).withFileSizeInBytes(Files.localInput(location1).getLength()).build();
    // add both data files
    table.newAppend().appendFile(file1).appendFile(file2).commit();
    // delete file2
    table.newDelete().deleteFile(file2.path()).commit();
    String manifestListLocation = table.currentSnapshot().manifestListLocation().replace("file:", "");
    List<ManifestFile> manifests = table.currentSnapshot().allManifests();
    Assert.assertTrue("Drop (table and data) should return true and drop the table", catalog.dropTable(TABLE_IDENTIFIER));
    Assert.assertFalse("Table should not exist", catalog.tableExists(TABLE_IDENTIFIER));
    Assert.assertFalse("Table data files should not exist", new File(location1).exists());
    Assert.assertFalse("Table data files should not exist", new File(location2).exists());
    Assert.assertFalse("Table manifest list files should not exist", new File(manifestListLocation).exists());
    for (ManifestFile manifest : manifests) {
        Assert.assertFalse("Table manifest files should not exist", new File(manifest.path().replace("file:", "")).exists());
    }
    Assert.assertFalse("Table metadata file should not exist", new File(((HasTableOperations) table).operations().current().metadataFileLocation().replace("file:", "")).exists());
}