public void testDeltaUnknownSign()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(int));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer w = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.compress(CompressionKind.NONE)
.inspector(inspector)
.rowIndexStride(0)
.encodingStrategy(OrcFile.EncodingStrategy.COMPRESSION)
.version(OrcFile.Version.V_0_12)))
{
w.addRow(0);
for (int i = 0; i < 511; ++i)
{
w.addRow(i);
}
}
using (CaptureStdoutToMemory capture = new CaptureStdoutToMemory())
{
FileDump.Main(TestFilePath);
// monotonicity will be undetermined for this sequence 0,0,1,2,3,...510. Hence DIRECT encoding
// will be used. 2 bytes for header and 640 bytes for data (512 values with fixed bit of 10 bits
// each, 5120/8 = 640). Total bytes 642
Assert.True(capture.Text.Contains("Stream: column 0 section DATA start: 3 length 642"));
}
}
public void testShortRepeat()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(int));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer w = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.compress(CompressionKind.NONE)
.inspector(inspector)
.rowIndexStride(0)
.encodingStrategy(OrcFile.EncodingStrategy.COMPRESSION)
.version(OrcFile.Version.V_0_12)))
{
for (int i = 0; i < 5; ++i)
{
w.addRow(10);
}
}
using (CaptureStdoutToMemory capture = new CaptureStdoutToMemory())
{
FileDump.Main(TestFilePath);
// 1 byte header + 1 byte value
Assert.True(capture.Text.Contains("Stream: column 0 section DATA start: 3 length 2"));
}
}
public void testFixedDeltaOneDescending()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(int));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer w = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.compress(CompressionKind.NONE)
.inspector(inspector)
.rowIndexStride(0)
.encodingStrategy(OrcFile.EncodingStrategy.COMPRESSION)
.version(OrcFile.Version.V_0_12)))
{
for (int i = 0; i < 5120; ++i)
{
w.addRow(512 - (i % 512));
}
}
using (CaptureStdoutToMemory capture = new CaptureStdoutToMemory())
{
FileDump.Main(TestFilePath);
// 10 runs of 512 elements. Each run has 2 bytes header, 2 byte base (base = 512, zigzag + varint)
// and 1 byte delta (delta = 1). In total, 5 bytes per run.
Assert.True(capture.Text.Contains("Stream: column 0 section DATA start: 3 length 50"));
}
}
public void testDump()
{
// conf.set(HiveConf.ConfVars.HIVE_ORC_ENCODING_STRATEGY.varname, "COMPRESSION");
using (Stream file = File.OpenWrite(TestFilePath))
{
OrcFile.WriterOptions options = new OrcFile.WriterOptions(new Properties(), conf);
options.inspector(ObjectInspectorFactory.getReflectionObjectInspector(typeof(MyRecord)));
options.stripeSize(100000);
options.compress(CompressionKind.ZLIB);
options.bufferSize(10000);
options.rowIndexStride(1000);
using (Writer writer = OrcFile.createWriter(TestFilePath, file, options))
{
Random r1 = new Random(1);
for (int i = 0; i < 21000; ++i)
{
writer.addRow(new MyRecord(r1.Next(), r1.NextLong(),
TestHelpers.words[r1.Next(TestHelpers.words.Length)]));
}
}
}
string outputFilename = "orc-file-dump.out";
using (CaptureStdout capture = new CaptureStdout(Path.Combine(workDir, outputFilename)))
{
FileDump.Main(new string[] { TestFilePath.ToString(), "--rowindex=1,2,3" });
}
TestHelpers.CompareFilesByLine(outputFilename, Path.Combine(workDir, outputFilename));
}
public void testPatchedBase()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(int));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer w = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.compress(CompressionKind.NONE)
.inspector(inspector)
.rowIndexStride(0)
.encodingStrategy(OrcFile.EncodingStrategy.COMPRESSION)
.version(OrcFile.Version.V_0_12)))
{
Random rand = new Random(123);
w.addRow(10000000);
for (int i = 0; i < 511; ++i)
{
w.addRow(rand.Next(i + 1));
}
}
using (CaptureStdoutToMemory capture = new CaptureStdoutToMemory())
{
FileDump.Main(TestFilePath);
// use PATCHED_BASE encoding
Assert.True(capture.Text.Contains("Stream: column 0 section DATA start: 3 length 583"));
}
}
public void testOrcSerDeStatsMap()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(MapStruct));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(10000)
.bufferSize(10000)))
{
for (int row = 0; row < 1000; row++)
{
Dictionary <string, double> test = new Dictionary <string, double>();
for (int i = 0; i < 10; i++)
{
test.Add("hi" + i, 2.0);
}
writer.addRow(new MapStruct(test));
}
writer.close();
// stats from writer
Assert.Equal(1000, writer.getNumberOfRows());
Assert.Equal(950000, writer.getRawDataSize());
}
Reader reader = OrcFile.createReader(TestFilePath,
OrcFile.readerOptions(conf));
// stats from reader
Assert.Equal(1000, reader.getNumberOfRows());
Assert.Equal(950000, reader.getRawDataSize());
Assert.Equal(950000, reader.getRawDataSizeOfColumns(Lists.newArrayList("map1")));
}
public void testHalfDistinctCheckDisabled()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(string));
int[] input = new int[20000];
// conf.setBoolean(ConfVars.HIVE_ORC_ROW_INDEX_STRIDE_DICTIONARY_CHECK.varname, false);
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.compress(CompressionKind.NONE)
.bufferSize(10000)))
{
Random rand = new Random(123);
for (int i = 0; i < 20000; i++)
{
input[i] = rand.Next(10000);
}
for (int i = 0; i < 20000; i++)
{
writer.addRow(input[i].ToString());
}
}
Reader reader = OrcFile.createReader(TestFilePath, OrcFile.readerOptions(conf));
using (RecordReader rows = reader.rows())
{
int idx = 0;
while (rows.hasNext())
{
object row = rows.next();
Assert.Equal(input[idx++].ToString(), row);
}
// make sure the encoding type is correct
foreach (StripeInformation stripe in reader.getStripes())
{
// hacky but does the job, this casting will work as long this test resides
// within the same package as ORC reader
OrcProto.StripeFooter footer = ((RecordReaderImpl)rows).readStripeFooter(stripe);
for (int i = 0; i < footer.ColumnsCount; ++i)
{
OrcProto.ColumnEncoding encoding = footer.GetColumns(i);
Assert.Equal(OrcProto.ColumnEncoding.Types.Kind.DICTIONARY_V2, encoding.Kind);
}
}
}
}
public void testTimestampWriter(string writerTimeZone, string readerTimeZone)
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(Timestamp));
List <string> ts = new List <string>();
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.bufferSize(10000)))
using (TestHelpers.SetTimeZoneInfo(writerTimeZone))
{
ts.Add("2003-01-01 01:00:00.000000222");
ts.Add("1996-08-02 09:00:00.723100809");
ts.Add("1999-01-01 02:00:00.999999999");
ts.Add("1995-01-02 03:00:00.688888888");
ts.Add("2002-01-01 04:00:00.1");
ts.Add("2010-03-02 05:00:00.000009001");
ts.Add("2005-01-01 06:00:00.000002229");
ts.Add("2006-01-01 07:00:00.900203003");
ts.Add("2003-01-01 08:00:00.800000007");
ts.Add("1998-11-02 10:00:00.857340643");
ts.Add("2008-10-02 11:00:00.0");
ts.Add("2037-01-01 00:00:00.000999");
ts.Add("2014-03-28 00:00:00.0");
foreach (string t in ts)
{
writer.addRow(Timestamp.Parse(t));
}
}
using (TestHelpers.SetTimeZoneInfo(readerTimeZone))
{
Reader reader = OrcFile.createReader(TestFilePath, OrcFile.readerOptions(conf));
using (RecordReader rows = reader.rows(null))
{
int idx = 0;
while (rows.hasNext())
{
object row = rows.next();
Timestamp got = ((Timestamp)row);
Assert.Equal(ts[idx++], got.ToString());
}
}
}
}
public void SimpleTest()
{
OrcFile.WriterOptions options = new OrcFile.WriterOptions(new Properties(), new Configuration());
options.inspector(PrimitiveObjectInspectorFactory.writableStringObjectInspector);
using (Stream file = File.Create(filename))
using (Writer writer = OrcFile.createWriter(filename, file, options))
{
writer.addRow("hello");
}
Reader reader = OrcFile.createReader(() => File.OpenRead(filename), filename);
using (RecordReader recordReader = reader.rows())
{
object value = recordReader.next();
Assert.True(value is string);
Assert.Equal("hello", value);
}
}
public void testTooManyDistinctV11AlwaysDictionary()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(string));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.compress(CompressionKind.NONE)
.version(OrcFile.Version.V_0_11)
.bufferSize(10000)))
{
for (int i = 0; i < 20000; i++)
{
writer.addRow(i.ToString());
}
}
Reader reader = OrcFile.createReader(TestFilePath, OrcFile.readerOptions(conf));
using (RecordReader rows = reader.rows())
{
int idx = 0;
while (rows.hasNext())
{
object row = rows.next();
Assert.Equal((idx++).ToString(), row);
}
// make sure the encoding type is correct
foreach (StripeInformation stripe in reader.getStripes())
{
// hacky but does the job, this casting will work as long this test resides
// within the same package as ORC reader
OrcProto.StripeFooter footer = ((RecordReaderImpl)rows).readStripeFooter(stripe);
for (int i = 0; i < footer.ColumnsCount; ++i)
{
OrcProto.ColumnEncoding encoding = footer.GetColumns(i);
Assert.Equal(OrcProto.ColumnEncoding.Types.Kind.DICTIONARY, encoding.Kind);
}
}
}
}
public void testDictionaryThreshold()
{
// conf.set(HiveConf.ConfVars.HIVE_ORC_ENCODING_STRATEGY.varname, "COMPRESSION");
// conf.setFloat(HiveConf.ConfVars.HIVE_ORC_DICTIONARY_KEY_SIZE_THRESHOLD.varname, 0.49f);
using (Stream file = File.OpenWrite(TestFilePath))
{
OrcFile.WriterOptions options = new OrcFile.WriterOptions(new Properties(), conf);
options.inspector(ObjectInspectorFactory.getReflectionObjectInspector(typeof(MyRecord)));
options.stripeSize(100000);
options.compress(CompressionKind.ZLIB);
options.bufferSize(10000);
options.rowIndexStride(1000);
using (Writer writer = OrcFile.createWriter(TestFilePath, file, options))
{
Random r1 = new Random(1);
int nextInt = 0;
for (int i = 0; i < 21000; ++i)
{
// Write out the same string twice, this guarantees the fraction of rows with
// distinct strings is 0.5
if (i % 2 == 0)
{
nextInt = r1.Next(TestHelpers.words.Length);
// Append the value of i to the word, this guarantees when an index or word is repeated
// the actual string is unique.
TestHelpers.words[nextInt] += "-" + i;
}
writer.addRow(new MyRecord(r1.Next(), r1.NextLong(), TestHelpers.words[nextInt]));
}
}
}
string outputFilename = "orc-file-dump-dictionary-threshold.out";
using (CaptureStdout capture = new CaptureStdout(Path.Combine(workDir, outputFilename)))
{
FileDump.Main(new string[] { TestFilePath.ToString(), "--rowindex=1,2,3" });
}
TestHelpers.CompareFilesByLine(outputFilename, Path.Combine(workDir, outputFilename));
}
public void testJsonDump()
{
ObjectInspector inspector;
inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(MyRecord));
// conf.set(HiveConf.ConfVars.HIVE_ORC_ENCODING_STRATEGY.varname, "COMPRESSION");
OrcFile.WriterOptions options = OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.compress(CompressionKind.ZLIB)
.bufferSize(10000)
.rowIndexStride(1000)
.bloomFilterColumns("s");
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, options))
{
Random r1 = new Random(1);
for (int i = 0; i < 21000; ++i)
{
if (i % 100 == 0)
{
writer.addRow(new MyRecord(r1.Next(), r1.NextLong(), null));
}
else
{
writer.addRow(new MyRecord(r1.Next(), r1.NextLong(),
TestHelpers.words[r1.Next(TestHelpers.words.Length)]));
}
}
}
const string outputFilename = "orc-file-dump.json";
using (CaptureStdout capture = new CaptureStdout(Path.Combine(workDir, outputFilename)))
{
FileDump.Main(new string[] { TestFilePath.ToString(), "-j", "-p", "--rowindex=3" });
}
TestHelpers.CompareFilesByLine(outputFilename, Path.Combine(workDir, outputFilename));
}
public void testOrcSerDeStatsSimpleWithNulls()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(SimpleStruct));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(10000)
.bufferSize(10000)))
{
for (int row = 0; row < 1000; row++)
{
if (row % 2 == 0)
{
writer.addRow(new SimpleStruct(new byte[] { 1, 2, 3 }, "hi"));
}
else
{
writer.addRow(null);
}
}
writer.close();
// stats from writer
Assert.Equal(1000, writer.getNumberOfRows());
Assert.Equal(44500, writer.getRawDataSize());
}
Reader reader = OrcFile.createReader(TestFilePath,
OrcFile.readerOptions(conf));
// stats from reader
Assert.Equal(1000, reader.getNumberOfRows());
Assert.Equal(44500, reader.getRawDataSize());
Assert.Equal(1500, reader.getRawDataSizeOfColumns(Lists.newArrayList("bytes1")));
Assert.Equal(43000, reader.getRawDataSizeOfColumns(Lists.newArrayList("string1")));
Assert.Equal(44500, reader.getRawDataSizeOfColumns(Lists.newArrayList("bytes1", "string1")));
}
public void testBitPack64Large()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(long));
const int size = 1080832;
long[] inp = new long[size];
Random rand = new Random(1234);
for (int i = 0; i < size; i++)
{
inp[i] = rand.NextLong();
}
List <long> input = inp.ToList();
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.compress(CompressionKind.ZLIB)))
{
foreach (long l in input)
{
writer.addRow(l);
}
}
Reader reader = OrcFile.createReader(TestFilePath, OrcFile.readerOptions(conf));
using (RecordReader rows = reader.rows())
{
int idx = 0;
while (rows.hasNext())
{
object row = rows.next();
Assert.Equal(input[idx++], ((long)row));
}
}
}
public void testBitPacking(long val)
{
long[] input = new long[]
{
val, 0, val, val, 0, val, 0, val, val, 0, val, 0, val, val, 0, 0,
val, val, 0, val, 0, 0, val, 0, val, 0, val, 0, 0, val, 0, val, 0, val, 0, 0, val, 0, val,
0, val, 0, 0, val, 0, val, 0, val, 0, 0, val, 0, val, 0, val, 0, 0, val, 0, val, 0, val, 0,
0, val, 0, val, 0, val, 0, 0, val, 0, val, 0, val, 0, 0, val, 0, val, 0, val, 0, 0, val, 0,
val, 0, val, 0, 0, val, 0, val, 0, 0, val, val
};
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(long));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.compress(CompressionKind.NONE)
.bufferSize(10000)))
{
foreach (long l in input)
{
writer.addRow(l);
}
}
Reader reader = OrcFile.createReader(TestFilePath, OrcFile.readerOptions(conf));
using (RecordReader rows = reader.rows())
{
int idx = 0;
while (rows.hasNext())
{
object row = rows.next();
Assert.Equal(input[idx++], ((long)row));
}
}
}
public void createFile()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(MyRecord));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.stripeSize(100000)
.compress(CompressionKind.ZLIB)
.inspector(inspector)
.bufferSize(10000)
.rowIndexStride(10000)))
{
Random r1 = new Random(1);
string[] words = TestHelpers.words;
string[] dates = new string[] { "1991-02-28", "1970-01-31", "1950-04-23" };
string[] decimalStrings = new string[]
{
"234.443", "10001000", "0.3333367", "67788798.0", "-234.443",
"-10001000", "-0.3333367", "-67788798.0", "0"
};
for (int i = 0; i < 21000; ++i)
{
if ((i % 7) != 0)
{
writer.addRow(new MyRecord(((i % 3) == 0), (sbyte)(i % 5), i, (long)200, (short)(300 + i), (double)(400 + i),
words[r1.Next(words.Length)], new Timestamp(DateTime.Now),
Date.Parse(dates[i % 3]), HiveDecimal.Parse(decimalStrings[i % decimalStrings.Length])));
}
else
{
writer.addRow(new MyRecord(null, null, i, (long)200, null, null, null, null, null, null));
}
}
}
checkVectorizedReader();
}
public void testColumnsWithNullAndCompression()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(MyStruct));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.bufferSize(10000)))
{
writer.addRow(new MyStruct(3, "a", true,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(null, "b", true,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(3, null, false,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(3, "d", true,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(2, "e", true,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(2, "f", true,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(2, "g", true,
Lists.newArrayList(new InnerStruct(100))));
writer.addRow(new MyStruct(2, "h", true,
Lists.newArrayList(new InnerStruct(100))));
}
Reader reader = OrcFile.createReader(TestFilePath,
OrcFile.readerOptions(conf));
// check the stats
ColumnStatistics[] stats = reader.getStatistics();
Assert.Equal(8, reader.getNumberOfRows());
Assert.Equal(8, stats[0].getNumberOfValues());
Assert.Equal(3, ((IntegerColumnStatistics)stats[1]).getMaximum());
Assert.Equal(2, ((IntegerColumnStatistics)stats[1]).getMinimum());
Assert.Equal(true, ((IntegerColumnStatistics)stats[1]).isSumDefined());
Assert.Equal(17, ((IntegerColumnStatistics)stats[1]).getSum());
Assert.Equal("count: 7 hasNull: True min: 2 max: 3 sum: 17",
stats[1].ToString());
Assert.Equal("h", ((StringColumnStatistics)stats[2]).getMaximum());
Assert.Equal("a", ((StringColumnStatistics)stats[2]).getMinimum());
Assert.Equal(7, stats[2].getNumberOfValues());
Assert.Equal("count: 7 hasNull: True min: a max: h sum: 7",
stats[2].ToString());
// check the inspectors
StructObjectInspector readerInspector = (StructObjectInspector)reader.getObjectInspector();
Assert.Equal(ObjectInspectorCategory.STRUCT,
readerInspector.getCategory());
Assert.Equal("struct<a:int,b:string,c:boolean,list:array<struct<z:int>>>",
readerInspector.getTypeName());
using (RecordReader rows = reader.rows())
{
// only the last strip will have PRESENT stream
List <bool> expected = new List <bool>();
foreach (StripeInformation sinfo in reader.getStripes())
{
expected.Add(false);
}
expected[expected.Count - 1] = true;
List <bool> got = new List <bool>();
// check if the strip footer contains PRESENT stream
foreach (StripeInformation sinfo in reader.getStripes())
{
OrcProto.StripeFooter sf = ((RecordReaderImpl)rows).readStripeFooter(sinfo);
got.Add(sf.ToString().IndexOf(OrcProto.Stream.Types.Kind.PRESENT.ToString()) != -1);
}
Assert.Equal(expected, got);
// row 1
OrcStruct row = (OrcStruct)rows.next();
Assert.NotNull(row);
Assert.Equal(3, row.getFieldValue(0));
Assert.Equal("a", row.getFieldValue(1).ToString());
Assert.Equal(true, row.getFieldValue(2));
Assert.Equal(100, ((OrcStruct)((IList <object>)row.getFieldValue(3))[0]).
getFieldValue(0));
// row 2
row = (OrcStruct)rows.next();
Assert.NotNull(row);
Assert.Null(row.getFieldValue(0));
Assert.Equal("b", row.getFieldValue(1).ToString());
Assert.Equal(true, row.getFieldValue(2));
Assert.Equal(100, ((OrcStruct)((IList <object>)row.getFieldValue(3))[0]).
getFieldValue(0));
// row 3
row = (OrcStruct)rows.next();
Assert.NotNull(row);
Assert.Null(row.getFieldValue(1));
Assert.Equal(3, row.getFieldValue(0));
Assert.Equal(false, row.getFieldValue(2));
Assert.Equal(100, ((OrcStruct)((IList <object>)row.getFieldValue(3))[0]).
getFieldValue(0));
}
}
public void testSplitEliminationComplexExpr()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(AllTypesRow));
using (Stream file = File.OpenWrite(testFilePath))
using (Writer writer = OrcFile.createWriter(testFilePath, file, conf, inspector,
100000, CompressionKind.NONE, 10000, 10000))
{
writeData(writer);
}
conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "150000");
InputFormat @in = new OrcInputFormat();
FileInputFormat.setInputPaths(conf, testFilePath.ToString());
// predicate expression: userid <= 100 and subtype <= 1000.0
GenericUDF udf = new GenericUDFOPEqualOrLessThan();
List <ExprNodeDesc> childExpr = new List <ExprNodeDesc>();
ExprNodeColumnDesc col = new ExprNodeColumnDesc(typeof(long), "userid", "T", false);
ExprNodeConstantDesc con = new ExprNodeConstantDesc(100);
childExpr.Add(col);
childExpr.Add(con);
ExprNodeGenericFuncDesc en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
GenericUDF udf1 = new GenericUDFOPEqualOrLessThan();
List <ExprNodeDesc> childExpr1 = new List <ExprNodeDesc>();
ExprNodeColumnDesc col1 = new ExprNodeColumnDesc(typeof(double), "subtype", "T", false);
ExprNodeConstantDesc con1 = new ExprNodeConstantDesc(1000.0);
childExpr1.Add(col1);
childExpr1.Add(con1);
ExprNodeGenericFuncDesc en1 = new ExprNodeGenericFuncDesc(inspector, udf1, childExpr1);
GenericUDF udf2 = new GenericUDFOPAnd();
List <ExprNodeDesc> childExpr2 = new List <ExprNodeDesc>();
childExpr2.Add(en);
childExpr2.Add(en1);
ExprNodeGenericFuncDesc en2 = new ExprNodeGenericFuncDesc(inspector, udf2, childExpr2);
string sargStr = Utilities.serializeExpression(en2);
conf.set("hive.io.filter.expr.serialized", sargStr);
InputSplit[] splits = @in.getSplits(conf, 1);
Assert.Equal(2, splits.Length);
con = new ExprNodeConstantDesc(2);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
con1 = new ExprNodeConstantDesc(0.0);
childExpr1[1] = con1;
en1 = new ExprNodeGenericFuncDesc(inspector, udf1, childExpr1);
childExpr2[0] = en;
childExpr2[1] = en1;
en2 = new ExprNodeGenericFuncDesc(inspector, udf2, childExpr2);
sargStr = Utilities.serializeExpression(en2);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
// no stripe will satisfy the predicate
Assert.Equal(0, splits.Length);
con = new ExprNodeConstantDesc(2);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
con1 = new ExprNodeConstantDesc(1.0);
childExpr1[1] = con1;
en1 = new ExprNodeGenericFuncDesc(inspector, udf1, childExpr1);
childExpr2[0] = en;
childExpr2[1] = en1;
en2 = new ExprNodeGenericFuncDesc(inspector, udf2, childExpr2);
sargStr = Utilities.serializeExpression(en2);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
// only first stripe will satisfy condition and hence single split
Assert.Equal(1, splits.Length);
udf = new GenericUDFOPEqual();
con = new ExprNodeConstantDesc(13);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
con1 = new ExprNodeConstantDesc(80.0);
childExpr1[1] = con1;
en1 = new ExprNodeGenericFuncDesc(inspector, udf1, childExpr1);
childExpr2[0] = en;
childExpr2[1] = en1;
en2 = new ExprNodeGenericFuncDesc(inspector, udf2, childExpr2);
sargStr = Utilities.serializeExpression(en2);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
// first two stripes will satisfy condition and hence single split
Assert.Equal(2, splits.Length);
udf = new GenericUDFOPEqual();
con = new ExprNodeConstantDesc(13);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
udf1 = new GenericUDFOPEqual();
con1 = new ExprNodeConstantDesc(80.0);
childExpr1[1] = con1;
en1 = new ExprNodeGenericFuncDesc(inspector, udf1, childExpr1);
childExpr2[0] = en;
childExpr2[1] = en1;
en2 = new ExprNodeGenericFuncDesc(inspector, udf2, childExpr2);
sargStr = Utilities.serializeExpression(en2);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
// only second stripes will satisfy condition and hence single split
Assert.Equal(1, splits.Length);
}
public void testSplitEliminationSmallMaxSplit()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(AllTypesRow));
using (Stream file = File.OpenWrite(testFilePath))
using (Writer writer = OrcFile.createWriter(testFilePath, file, conf, inspector,
100000, CompressionKind.NONE, 10000, 10000))
{
writeData(writer);
}
conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "5000");
InputFormat @in = new OrcInputFormat();
FileInputFormat.setInputPaths(conf, testFilePath.ToString());
GenericUDF udf = new GenericUDFOPEqualOrLessThan();
List <ExprNodeDesc> childExpr = new List <ExprNodeDesc>();
ExprNodeColumnDesc col = new ExprNodeColumnDesc(typeof(long), "userid", "T", false);
ExprNodeConstantDesc con = new ExprNodeConstantDesc(100);
childExpr.Add(col);
childExpr.Add(con);
ExprNodeGenericFuncDesc en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
string sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
InputSplit[] splits = @in.getSplits(conf, 1);
Assert.Equal(5, splits.Length);
con = new ExprNodeConstantDesc(1);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
Assert.Equal(0, splits.Length);
con = new ExprNodeConstantDesc(2);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
Assert.Equal(1, splits.Length);
con = new ExprNodeConstantDesc(5);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
Assert.Equal(2, splits.Length);
con = new ExprNodeConstantDesc(13);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
Assert.Equal(3, splits.Length);
con = new ExprNodeConstantDesc(29);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
Assert.Equal(4, splits.Length);
con = new ExprNodeConstantDesc(70);
childExpr[1] = con;
en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);
sargStr = Utilities.serializeExpression(en);
conf.set("hive.io.filter.expr.serialized", sargStr);
splits = @in.getSplits(conf, 1);
Assert.Equal(5, splits.Length);
}
public void testHasNull()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(SimpleStruct));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.rowIndexStride(1000)
.stripeSize(10000)
.bufferSize(10000)))
{
// STRIPE 1
// RG1
for (int i = 0; i < 1000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), "RG1"));
}
// RG2
for (int i = 0; i < 1000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), null));
}
// RG3
for (int i = 0; i < 1000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), "RG3"));
}
// RG4
for (int i = 0; i < 1000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), null));
}
// RG5
for (int i = 0; i < 1000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), null));
}
// STRIPE 2
for (int i = 0; i < 5000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), null));
}
// STRIPE 3
for (int i = 0; i < 5000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), "STRIPE-3"));
}
// STRIPE 4
for (int i = 0; i < 5000; i++)
{
writer.addRow(new SimpleStruct(bytes(1, 2, 3), null));
}
}
Reader reader = OrcFile.createReader(TestFilePath, OrcFile.readerOptions(conf));
// check the file level stats
ColumnStatistics[] stats = reader.getStatistics();
Assert.Equal(20000, stats[0].getNumberOfValues());
Assert.Equal(20000, stats[1].getNumberOfValues());
Assert.Equal(7000, stats[2].getNumberOfValues());
Assert.Equal(false, stats[0].hasNull());
Assert.Equal(false, stats[1].hasNull());
Assert.Equal(true, stats[2].hasNull());
// check the stripe level stats
List <StripeStatistics> stripeStats = reader.getStripeStatistics();
// stripe 1 stats
StripeStatistics ss1 = stripeStats[0];
ColumnStatistics ss1_cs1 = ss1.getColumnStatistics()[0];
ColumnStatistics ss1_cs2 = ss1.getColumnStatistics()[1];
ColumnStatistics ss1_cs3 = ss1.getColumnStatistics()[2];
Assert.Equal(false, ss1_cs1.hasNull());
Assert.Equal(false, ss1_cs2.hasNull());
Assert.Equal(true, ss1_cs3.hasNull());
// stripe 2 stats
StripeStatistics ss2 = stripeStats[1];
ColumnStatistics ss2_cs1 = ss2.getColumnStatistics()[0];
ColumnStatistics ss2_cs2 = ss2.getColumnStatistics()[1];
ColumnStatistics ss2_cs3 = ss2.getColumnStatistics()[2];
Assert.Equal(false, ss2_cs1.hasNull());
Assert.Equal(false, ss2_cs2.hasNull());
Assert.Equal(true, ss2_cs3.hasNull());
// stripe 3 stats
StripeStatistics ss3 = stripeStats[2];
ColumnStatistics ss3_cs1 = ss3.getColumnStatistics()[0];
ColumnStatistics ss3_cs2 = ss3.getColumnStatistics()[1];
ColumnStatistics ss3_cs3 = ss3.getColumnStatistics()[2];
Assert.Equal(false, ss3_cs1.hasNull());
Assert.Equal(false, ss3_cs2.hasNull());
Assert.Equal(false, ss3_cs3.hasNull());
// stripe 4 stats
StripeStatistics ss4 = stripeStats[3];
ColumnStatistics ss4_cs1 = ss4.getColumnStatistics()[0];
ColumnStatistics ss4_cs2 = ss4.getColumnStatistics()[1];
ColumnStatistics ss4_cs3 = ss4.getColumnStatistics()[2];
Assert.Equal(false, ss4_cs1.hasNull());
Assert.Equal(false, ss4_cs2.hasNull());
Assert.Equal(true, ss4_cs3.hasNull());
#if false
// Test file dump
TextWriter origOut = System.Console.Out;
string outputFilename = "orc-file-has-null.out";
FileOutputStream myOut = new FileOutputStream(workDir + File.separator + outputFilename);
// replace stdout and run command
System.Console.SetOut(new StreamWriter(myOut));
FileDump.main(new String[] { testFilePath.toString(), "--rowindex=2" });
System.Console.Out.Flush();
System.SetOut(origOut);
TestFileDump.checkOutput(outputFilename, workDir + File.separator + outputFilename);
#endif
}
public void testDataDump()
{
using (Stream file = File.OpenWrite(TestFilePath))
{
OrcFile.WriterOptions options = new OrcFile.WriterOptions(new Properties(), conf);
options.inspector(ObjectInspectorFactory.getReflectionObjectInspector(typeof(AllTypesRecord)));
options.stripeSize(100000);
options.compress(CompressionKind.NONE);
options.bufferSize(10000);
options.rowIndexStride(1000);
using (Writer writer = OrcFile.createWriter(TestFilePath, file, options))
{
Dictionary <string, string> m = new Dictionary <string, string>(2);
m.Add("k1", "v1");
writer.addRow(new AllTypesRecord(
true,
(sbyte)10,
(short)100,
1000,
10000L,
4.0f,
20.0,
HiveDecimal.Parse("4.2222"),
new Timestamp(1416967764000L),
new Date(1416967764000L),
"string",
m,
new List <int> {
100, 200
},
new AllTypesRecord.Struct(10, "foo")));
m.Clear();
m.Add("k3", "v3");
writer.addRow(new AllTypesRecord(
false,
(sbyte)20,
(short)200,
2000,
20000L,
8.0f,
40.0,
HiveDecimal.Parse("2.2222"),
new Timestamp(1416967364000L),
new Date(1411967764000L),
"abcd",
m,
new List <int> {
200, 300
},
new AllTypesRecord.Struct(20, "bar")));
}
}
string[] lines;
using (CaptureStdoutToMemory capture = new CaptureStdoutToMemory())
{
FileDump.Main(TestFilePath, "-d");
lines = capture.Text.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
}
Assert.Equal(2, lines.Length);
// Don't be fooled by the big space in the middle, this line is quite long
Assert.Equal("{\"b\":true,\"bt\":10,\"s\":100,\"i\":1000,\"l\":10000,\"f\":4,\"d\":20,\"de\":\"4.2222\",\"t\":\"2014-11-25 18:09:24\",\"dt\":\"2014-11-25\",\"str\":\"string\",\"c\":\"hello \",\"vc\":\"hello\",\"m\":[{\"_key\":\"k1\",\"_value\":\"v1\"}],\"a\":[100,200],\"st\":{\"i\":10,\"s\":\"foo\"}}", lines[0]);
Assert.Equal("{\"b\":false,\"bt\":20,\"s\":200,\"i\":2000,\"l\":20000,\"f\":8,\"d\":40,\"de\":\"2.2222\",\"t\":\"2014-11-25 18:02:44\",\"dt\":\"2014-09-28\",\"str\":\"abcd\",\"c\":\"world \",\"vc\":\"world\",\"m\":[{\"_key\":\"k3\",\"_value\":\"v3\"}],\"a\":[200,300],\"st\":{\"i\":20,\"s\":\"bar\"}}", lines[1]);
}
public void testStringAndBinaryStatistics()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(SimpleStruct));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.bufferSize(10000)))
{
writer.addRow(new SimpleStruct(bytes(0, 1, 2, 3, 4), "foo"));
writer.addRow(new SimpleStruct(bytes(0, 1, 2, 3), "bar"));
writer.addRow(new SimpleStruct(bytes(0, 1, 2, 3, 4, 5), null));
writer.addRow(new SimpleStruct(null, "hi"));
writer.close();
Assert.Equal(4, writer.getNumberOfRows());
Assert.Equal(273, writer.getRawDataSize());
}
Reader reader = OrcFile.createReader(TestFilePath,
OrcFile.readerOptions(conf));
Assert.Equal(4, reader.getNumberOfRows());
Assert.Equal(273, reader.getRawDataSize());
Assert.Equal(15, reader.getRawDataSizeOfColumns(Lists.newArrayList("bytes1")));
Assert.Equal(258, reader.getRawDataSizeOfColumns(Lists.newArrayList("string1")));
Assert.Equal(273, reader.getRawDataSizeOfColumns(Lists.newArrayList("bytes1", "string1")));
// check the stats
ColumnStatistics[] stats = reader.getStatistics();
Assert.Equal(4, stats[0].getNumberOfValues());
Assert.Equal("count: 4 hasNull: False", stats[0].ToString());
Assert.Equal(3, stats[1].getNumberOfValues());
Assert.Equal(15, ((BinaryColumnStatistics)stats[1]).getSum());
Assert.Equal("count: 3 hasNull: True sum: 15", stats[1].ToString());
Assert.Equal(3, stats[2].getNumberOfValues());
Assert.Equal("bar", ((StringColumnStatistics)stats[2]).getMinimum());
Assert.Equal("hi", ((StringColumnStatistics)stats[2]).getMaximum());
Assert.Equal(8, ((StringColumnStatistics)stats[2]).getSum());
Assert.Equal("count: 3 hasNull: True min: bar max: hi sum: 8",
stats[2].ToString());
// check the inspectors
StructObjectInspector readerInspector =
(StructObjectInspector)reader.getObjectInspector();
Assert.Equal(ObjectInspectorCategory.STRUCT, readerInspector.getCategory());
Assert.Equal("struct<bytes1:binary,string1:string>", readerInspector.getTypeName());
IList <StructField> fields = readerInspector.getAllStructFieldRefs();
BinaryObjectInspector bi = (BinaryObjectInspector)readerInspector.
getStructFieldRef("bytes1").getFieldObjectInspector();
StringObjectInspector st = (StringObjectInspector)readerInspector.
getStructFieldRef("string1").getFieldObjectInspector();
using (RecordReader rows = reader.rows())
{
object row = rows.next();
Assert.NotNull(row);
// check the contents of the first row
Assert.Equal(bytes(0, 1, 2, 3, 4), bi.get(
readerInspector.getStructFieldData(row, fields[0])));
Assert.Equal("foo", st.getPrimitiveJavaObject(readerInspector.
getStructFieldData(row, fields[1])));
// check the contents of second row
Assert.Equal(true, rows.hasNext());
row = rows.next();
Assert.Equal(bytes(0, 1, 2, 3), bi.get(
readerInspector.getStructFieldData(row, fields[0])));
Assert.Equal("bar", st.getPrimitiveJavaObject(readerInspector.
getStructFieldData(row, fields[1])));
// check the contents of second row
Assert.Equal(true, rows.hasNext());
row = rows.next();
Assert.Equal(bytes(0, 1, 2, 3, 4, 5), bi.get(
readerInspector.getStructFieldData(row, fields[0])));
Assert.Null(st.getPrimitiveJavaObject(readerInspector.
getStructFieldData(row, fields[1])));
// check the contents of second row
Assert.Equal(true, rows.hasNext());
row = rows.next();
Assert.Null(bi.get(
readerInspector.getStructFieldData(row, fields[0])));
Assert.Equal("hi", st.getPrimitiveJavaObject(readerInspector.
getStructFieldData(row, fields[1])));
Assert.Equal(false, rows.hasNext());
}
}
public void testMultiStripeWithNull()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(MyStruct));
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.compress(CompressionKind.NONE)
.bufferSize(10000)))
{
Random rand = new Random(100);
writer.addRow(new MyStruct(null, null, true, new List <InnerStruct> {
new InnerStruct(100)
}));
for (int i = 2; i < 20000; i++)
{
writer.addRow(new MyStruct(rand.Next(1), "a", true, new List <InnerStruct> {
new InnerStruct(100)
}));
}
writer.addRow(new MyStruct(null, null, true, new List <InnerStruct> {
new InnerStruct(100)
}));
}
Reader reader = OrcFile.createReader(TestFilePath,
OrcFile.readerOptions(conf));
// check the stats
ColumnStatistics[] stats = reader.getStatistics();
Assert.Equal(20000, reader.getNumberOfRows());
Assert.Equal(20000, stats[0].getNumberOfValues());
Assert.Equal(0, ((IntegerColumnStatistics)stats[1]).getMaximum());
Assert.Equal(0, ((IntegerColumnStatistics)stats[1]).getMinimum());
Assert.Equal(true, ((IntegerColumnStatistics)stats[1]).isSumDefined());
Assert.Equal(0, ((IntegerColumnStatistics)stats[1]).getSum());
Assert.Equal("count: 19998 hasNull: True min: 0 max: 0 sum: 0",
stats[1].ToString());
Assert.Equal("a", ((StringColumnStatistics)stats[2]).getMaximum());
Assert.Equal("a", ((StringColumnStatistics)stats[2]).getMinimum());
Assert.Equal(19998, stats[2].getNumberOfValues());
Assert.Equal("count: 19998 hasNull: True min: a max: a sum: 19998",
stats[2].ToString());
// check the inspectors
StructObjectInspector readerInspector =
(StructObjectInspector)reader.getObjectInspector();
Assert.Equal(ObjectInspectorCategory.STRUCT,
readerInspector.getCategory());
Assert.Equal("struct<a:int,b:string,c:boolean,list:array<struct<z:int>>>",
readerInspector.getTypeName());
using (RecordReader rows = reader.rows())
{
List <bool> expected = new List <bool>();
foreach (StripeInformation sinfo in reader.getStripes())
{
expected.Add(false);
}
// only the first and last stripe will have PRESENT stream
expected[0] = true;
expected[expected.Count - 1] = true;
List <bool> got = new List <bool>();
// check if the strip footer contains PRESENT stream
foreach (StripeInformation sinfo in reader.getStripes())
{
OrcProto.StripeFooter sf =
((RecordReaderImpl)rows).readStripeFooter(sinfo);
got.Add(sf.ToString().IndexOf(OrcProto.Stream.Types.Kind.PRESENT.ToString()) != -1);
}
Assert.Equal(expected, got);
// row 1
OrcStruct row = (OrcStruct)rows.next();
Assert.NotNull(row);
Assert.Null(row.getFieldValue(0));
Assert.Null(row.getFieldValue(1));
Assert.Equal(true, row.getFieldValue(2));
Assert.Equal(100, ((OrcStruct)((IList <object>)row.getFieldValue(3))[0]).
getFieldValue(0));
rows.seekToRow(19998);
// last-1 row
row = (OrcStruct)rows.next();
Assert.NotNull(row);
Assert.NotNull(row.getFieldValue(1));
Assert.Equal(0, row.getFieldValue(0));
Assert.Equal(true, row.getFieldValue(2));
Assert.Equal(100, ((OrcStruct)((IList <object>)row.getFieldValue(3))[0]).
getFieldValue(0));
// last row
row = (OrcStruct)rows.next();
Assert.NotNull(row);
Assert.Null(row.getFieldValue(0));
Assert.Null(row.getFieldValue(1));
Assert.Equal(true, row.getFieldValue(2));
Assert.Equal(100, ((OrcStruct)((IList <object>)row.getFieldValue(3))[0]).
getFieldValue(0));
}
}
public void testOrcSerDeStatsComplexOldFormat()
{
ObjectInspector inspector = ObjectInspectorFactory.getReflectionObjectInspector(typeof(BigRow));
long rawDataSize;
using (Stream file = File.OpenWrite(TestFilePath))
using (Writer writer = OrcFile.createWriter(TestFilePath, file, OrcFile.writerOptions(conf)
.inspector(inspector)
.stripeSize(100000)
.version(OrcFile.Version.V_0_11)
.bufferSize(10000)))
{
// 1 + 2 + 4 + 8 + 4 + 8 + 5 + 2 + 4 + 3 + 4 + 4 + 4 + 4 + 4 + 3 = 64
writer.addRow(new BigRow(false, (sbyte)1, (short)1024, 65536,
Int64.MaxValue, (float)1.0, -15.0, bytes(0, 1, 2, 3, 4), "hi",
new MiddleStruct(inner(1, "bye"), inner(2, "sigh")),
list(inner(3, "good"), inner(4, "bad")),
map(), Timestamp.Parse("2000-03-12 15:00:00"), HiveDecimal.Parse(
"12345678.6547456")));
// 1 + 2 + 4 + 8 + 4 + 8 + 3 + 4 + 3 + 4 + 4 + 4 + 3 + 4 + 2 + 4 + 3 + 5 + 4 + 5 + 7 + 4 + 7 =
// 97
writer.addRow(new BigRow(true, (sbyte)100, (short)2048, 65536,
Int64.MaxValue, (float)2.0, -5.0, bytes(), "bye",
new MiddleStruct(inner(1, "bye"), inner(2, "sigh")),
list(inner(100000000, "cat"), inner(-100000, "in"), inner(1234, "hat")),
map(inner(5, "chani"), inner(1, "mauddib")), Timestamp.Parse("2000-03-11 15:00:00"),
HiveDecimal.Parse("12345678.6547452")));
writer.close();
long rowCount = writer.getNumberOfRows();
rawDataSize = writer.getRawDataSize();
Assert.Equal(2, rowCount);
Assert.Equal(1740, rawDataSize);
}
Reader reader = OrcFile.createReader(TestFilePath,
OrcFile.readerOptions(conf));
Assert.Equal(2, reader.getNumberOfRows());
Assert.Equal(1740, reader.getRawDataSize());
Assert.Equal(8, reader.getRawDataSizeOfColumns(Lists.newArrayList("boolean1")));
Assert.Equal(8, reader.getRawDataSizeOfColumns(Lists.newArrayList("byte1")));
Assert.Equal(8, reader.getRawDataSizeOfColumns(Lists.newArrayList("short1")));
Assert.Equal(8, reader.getRawDataSizeOfColumns(Lists.newArrayList("int1")));
Assert.Equal(16, reader.getRawDataSizeOfColumns(Lists.newArrayList("long1")));
Assert.Equal(8, reader.getRawDataSizeOfColumns(Lists.newArrayList("float1")));
Assert.Equal(16, reader.getRawDataSizeOfColumns(Lists.newArrayList("double1")));
Assert.Equal(5, reader.getRawDataSizeOfColumns(Lists.newArrayList("bytes1")));
Assert.Equal(172, reader.getRawDataSizeOfColumns(Lists.newArrayList("string1")));
Assert.Equal(455, reader.getRawDataSizeOfColumns(Lists.newArrayList("list")));
Assert.Equal(368, reader.getRawDataSizeOfColumns(Lists.newArrayList("map")));
Assert.Equal(364, reader.getRawDataSizeOfColumns(Lists.newArrayList("middle")));
Assert.Equal(80, reader.getRawDataSizeOfColumns(Lists.newArrayList("ts")));
Assert.Equal(224, reader.getRawDataSizeOfColumns(Lists.newArrayList("decimal1")));
Assert.Equal(88, reader.getRawDataSizeOfColumns(Lists.newArrayList("ts", "int1")));
Assert.Equal(1195,
reader.getRawDataSizeOfColumns(Lists.newArrayList("middle", "list", "map", "float1")));
Assert.Equal(185,
reader.getRawDataSizeOfColumns(Lists.newArrayList("bytes1", "byte1", "string1")));
Assert.Equal(rawDataSize, reader.getRawDataSizeOfColumns(Lists.newArrayList("boolean1",
"byte1", "short1", "int1", "long1", "float1", "double1", "bytes1", "string1", "list",
"map", "middle", "ts", "decimal1")));
// check the stats
ColumnStatistics[] stats = reader.getStatistics();
Assert.Equal(2, stats[1].getNumberOfValues());
Assert.Equal(1, ((BooleanColumnStatistics)stats[1]).getFalseCount());
Assert.Equal(1, ((BooleanColumnStatistics)stats[1]).getTrueCount());
Assert.Equal("count: 2 hasNull: False true: 1", stats[1].ToString());
Assert.Equal(2048, ((IntegerColumnStatistics)stats[3]).getMaximum());
Assert.Equal(1024, ((IntegerColumnStatistics)stats[3]).getMinimum());
Assert.Equal(true, ((IntegerColumnStatistics)stats[3]).isSumDefined());
Assert.Equal(3072, ((IntegerColumnStatistics)stats[3]).getSum());
Assert.Equal("count: 2 hasNull: False min: 1024 max: 2048 sum: 3072",
stats[3].ToString());
Assert.Equal(Int64.MaxValue, ((IntegerColumnStatistics)stats[5]).getMaximum());
Assert.Equal(Int64.MaxValue, ((IntegerColumnStatistics)stats[5]).getMinimum());
Assert.Equal(false, ((IntegerColumnStatistics)stats[5]).isSumDefined());
Assert.Equal("count: 2 hasNull: False min: 9223372036854775807 max: 9223372036854775807",
stats[5].ToString());
Assert.Equal(-15.0, ((DoubleColumnStatistics)stats[7]).getMinimum());
Assert.Equal(-5.0, ((DoubleColumnStatistics)stats[7]).getMaximum());
Assert.Equal(-20.0, ((DoubleColumnStatistics)stats[7]).getSum(), 5);
Assert.Equal("count: 2 hasNull: False min: -15 max: -5 sum: -20",
stats[7].ToString());
Assert.Equal(5, ((BinaryColumnStatistics)stats[8]).getSum());
Assert.Equal("count: 2 hasNull: False sum: 5", stats[8].ToString());
Assert.Equal("bye", ((StringColumnStatistics)stats[9]).getMinimum());
Assert.Equal("hi", ((StringColumnStatistics)stats[9]).getMaximum());
Assert.Equal(5, ((StringColumnStatistics)stats[9]).getSum());
Assert.Equal("count: 2 hasNull: False min: bye max: hi sum: 5", stats[9].ToString());
}