private void setupSegmentList(int numberOfSegments) throws Exception {
final String filePath =
TestUtils.getFileFromResourceUrl(getClass().getClassLoader().getResource(SMALL_AVRO_DATA));
_indexSegmentList.clear();
if (INDEXES_DIR.exists()) {
FileUtils.deleteQuietly(INDEXES_DIR);
}
INDEXES_DIR.mkdir();
for (int i = 0; i < numberOfSegments; ++i) {
final File segmentDir = new File(INDEXES_DIR, "segment_" + i);
final SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
new File(filePath), segmentDir, "dim1", TimeUnit.DAYS, "test");
final SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
driver.init(config);
driver.build();
LOGGER.debug("built at: {}", segmentDir.getAbsolutePath());
_indexSegmentList.add(
ColumnarSegmentLoader.load(new File(segmentDir, driver.getSegmentName()), ReadMode.mmap));
}
}
private void setupSegmentList(int numberOfSegments) throws Exception {
final String filePath =
TestUtils.getFileFromResourceUrl(getClass().getClassLoader().getResource(SMALL_AVRO_DATA));
_indexSegmentList.clear();
if (INDEXES_DIR.exists()) {
FileUtils.deleteQuietly(INDEXES_DIR);
}
INDEXES_DIR.mkdir();
for (int i = 0; i < numberOfSegments; ++i) {
final File segmentDir = new File(INDEXES_DIR, "segment_" + i);
final SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
new File(filePath), segmentDir, "dim" + i, TimeUnit.DAYS, "midas");
config.setSegmentNamePostfix(String.valueOf(i));
final SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
driver.init(config);
driver.build();
File parent = new File(INDEXES_DIR, "segment_" + String.valueOf(i));
String segmentName = parent.list()[0];
_indexSegmentList.add(
ColumnarSegmentLoader.load(new File(parent, segmentName), ReadMode.mmap));
System.out.println("built at : " + segmentDir.getAbsolutePath());
}
}
@BeforeClass
public static void before() throws Exception {
final String filePath =
TestUtils.getFileFromResourceUrl(
DictionariesTest.class.getClassLoader().getResource(AVRO_DATA));
if (INDEX_DIR.exists()) {
FileUtils.deleteQuietly(INDEX_DIR);
}
final SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
new File(filePath), INDEX_DIR, "time_day", TimeUnit.DAYS, "test");
final SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
driver.init(config);
driver.build();
final Schema schema = AvroUtils.extractSchemaFromAvro(new File(filePath));
final DataFileStream<GenericRecord> avroReader = AvroUtils.getAvroReader(new File(filePath));
final org.apache.avro.Schema avroSchema = avroReader.getSchema();
final String[] columns = new String[avroSchema.getFields().size()];
int i = 0;
for (final Field f : avroSchema.getFields()) {
columns[i] = f.name();
i++;
}
uniqueEntries = new HashMap<String, Set<Object>>();
for (final String column : columns) {
uniqueEntries.put(column, new HashSet<Object>());
}
while (avroReader.hasNext()) {
final GenericRecord rec = avroReader.next();
for (final String column : columns) {
Object val = rec.get(column);
if (val instanceof Utf8) {
val = ((Utf8) val).toString();
}
uniqueEntries
.get(column)
.add(getAppropriateType(schema.getFieldSpecFor(column).getDataType(), val));
}
}
}
private void setupSegment() throws Exception {
final String filePath =
TestUtils.getFileFromResourceUrl(
PlanMakerTest.class.getClassLoader().getResource(LARGE_AVRO_DATA));
if (INDEX_DIR.exists()) {
FileUtils.deleteQuietly(INDEX_DIR);
}
final SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
new File(filePath), INDEX_DIR, "dim1", TimeUnit.DAYS, "test");
final SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
driver.init(config);
driver.build();
LOGGER.debug("built at: {}", INDEX_DIR.getAbsolutePath());
final File indexSegmentDir = new File(INDEX_DIR, driver.getSegmentName());
_indexSegment = ColumnarSegmentLoader.load(indexSegmentDir, ReadMode.mmap);
}
private void setupSegment() throws Exception {
final String filePath =
TestUtils.getFileFromResourceUrl(getClass().getClassLoader().getResource(AVRO_DATA));
if (INDEX_DIR.exists()) {
FileUtils.deleteQuietly(INDEX_DIR);
}
final SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
new File(filePath), INDEX_DIR, "time_day", TimeUnit.DAYS, "test");
final SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
driver.init(config);
driver.build();
LOGGER.info("built at : {}", INDEX_DIR.getAbsolutePath());
final File indexSegmentDir = new File(INDEX_DIR, driver.getSegmentName());
_indexSegment = ColumnarSegmentLoader.load(indexSegmentDir, ReadMode.heap);
_medataMap =
((SegmentMetadataImpl) ((IndexSegmentImpl) _indexSegment).getSegmentMetadata())
.getColumnMetadataMap();
}
private void setupSegmentFor(String table) throws Exception {
final String filePath =
TestUtils.getFileFromResourceUrl(getClass().getClassLoader().getResource(AVRO_DATA));
if (INDEX_DIR.exists()) {
FileUtils.deleteQuietly(INDEX_DIR);
}
INDEX_DIR.mkdir();
final SegmentGeneratorConfig config =
SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
new File(filePath),
new File(INDEX_DIR, "segment"),
"daysSinceEpoch",
TimeUnit.DAYS,
table);
final SegmentIndexCreationDriver driver = new SegmentIndexCreationDriverImpl();
driver.init(config);
driver.build();
System.out.println("built at : " + INDEX_DIR.getAbsolutePath());
}