private static void writeRowGroupIndexes(JsonWriter writer, int col,
OrcProto.RowIndex[] rowGroupIndex)
{
OrcProto.RowIndex index;
if (rowGroupIndex == null || (col >= rowGroupIndex.Length) ||
((index = rowGroupIndex[col]) == null))
{
return;
}
writer.key("rowGroupIndexes").array();
for (int entryIx = 0; entryIx < index.EntryCount; ++entryIx)
{
writer.newObject();
writer.key("entryId").value(entryIx);
OrcProto.RowIndexEntry entry = index.EntryList[entryIx];
if (entry == null)
{
continue;
}
OrcProto.ColumnStatistics colStats = entry.Statistics;
writeColumnStatistics(writer, ColumnStatisticsImpl.deserialize(colStats));
writer.key("positions").array();
for (int posIx = 0; posIx < entry.PositionsCount; ++posIx)
{
writer.value(entry.PositionsList[posIx]);
}
writer.endArray();
writer.endObject();
}
writer.endArray();
}
public BinaryStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.BinaryStatistics binStats = stats.BinaryStatistics;
if (binStats.HasSum)
{
sum = binStats.Sum;
}
}
private static long getRawDataSizeOfColumn(int colIdx, IList <OrcProto.Type> types,
IList <OrcProto.ColumnStatistics> stats)
{
OrcProto.ColumnStatistics colStat = stats[colIdx];
long numVals = (long)colStat.NumberOfValues;
OrcProto.Type type = types[colIdx];
switch (type.Kind)
{
case OrcProto.Type.Types.Kind.BINARY:
// old orc format doesn't support binary statistics. checking for binary
// statistics is not required as protocol buffers takes care of it.
return(colStat.BinaryStatistics.Sum);
case OrcProto.Type.Types.Kind.STRING:
case OrcProto.Type.Types.Kind.CHAR:
case OrcProto.Type.Types.Kind.VARCHAR:
// old orc format doesn't support sum for string statistics. checking for
// existence is not required as protocol buffers takes care of it.
// ORC strings are deserialized to java strings. so use java data model's
// string size
numVals = numVals == 0 ? 1 : numVals;
int avgStrLen = (int)(colStat.StringStatistics.Sum / numVals);
return(numVals * JavaDataModel.lengthForStringOfLength(avgStrLen));
case OrcProto.Type.Types.Kind.TIMESTAMP:
return(numVals * JavaDataModel.lengthOfTimestamp());
case OrcProto.Type.Types.Kind.DATE:
return(numVals * JavaDataModel.lengthOfDate());
case OrcProto.Type.Types.Kind.DECIMAL:
return(numVals * JavaDataModel.lengthOfDecimal());
case OrcProto.Type.Types.Kind.DOUBLE:
case OrcProto.Type.Types.Kind.LONG:
return(numVals * JavaDataModel.Eight);
case OrcProto.Type.Types.Kind.FLOAT:
case OrcProto.Type.Types.Kind.INT:
case OrcProto.Type.Types.Kind.SHORT:
case OrcProto.Type.Types.Kind.BOOLEAN:
case OrcProto.Type.Types.Kind.BYTE:
return(numVals * JavaDataModel.Four);
default:
LOG.debug("Unknown primitive category: " + type.Kind);
break;
}
return(0);
}
public TimestampStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.TimestampStatistics timestampStats = stats.TimestampStatistics;
// min,max values serialized/deserialized as int (milliseconds since epoch)
if (timestampStats.HasMaximum)
{
maximum = new Timestamp(timestampStats.Maximum);
}
if (timestampStats.HasMinimum)
{
minimum = new Timestamp(timestampStats.Minimum);
}
}
public DateStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.DateStatistics dateStats = stats.DateStatistics;
// min,max values serialized/deserialized as int (days since epoch)
if (dateStats.HasMaximum)
{
maximum = new Date(dateStats.Maximum);
}
if (dateStats.HasMinimum)
{
minimum = new Date(dateStats.Minimum);
}
}
protected ColumnStatisticsImpl(OrcProto.ColumnStatistics stats)
{
if (stats.HasNumberOfValues)
{
count = stats.NumberOfValues;
}
if (stats.HasHasNull)
{
_hasNull = stats.HasNull;
}
else
{
_hasNull = true;
}
}
public StringStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.StringStatistics str = stats.StringStatistics;
if (str.HasMaximum)
{
maximum = str.Maximum;
}
if (str.HasMinimum)
{
minimum = str.Minimum;
}
if (str.HasSum)
{
sum = str.Sum;
}
}
public DoubleStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.DoubleStatistics dbl = stats.DoubleStatistics;
if (dbl.HasMinimum)
{
hasMinimum = true;
minimum = dbl.Minimum;
}
if (dbl.HasMaximum)
{
maximum = dbl.Maximum;
}
if (dbl.HasSum)
{
sum = dbl.Sum;
}
}
public DecimalStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.DecimalStatistics dec = stats.DecimalStatistics;
if (dec.HasMaximum)
{
maximum = HiveDecimal.Parse(dec.Maximum);
}
if (dec.HasMinimum)
{
minimum = HiveDecimal.Parse(dec.Minimum);
}
if (dec.HasSum)
{
sum = HiveDecimal.Parse(dec.Sum);
}
else
{
sum = null;
}
}
public static ColumnStatisticsImpl deserialize(OrcProto.ColumnStatistics stats)
{
if (stats.HasBucketStatistics)
{
return(new BooleanStatisticsImpl(stats));
}
else if (stats.HasIntStatistics)
{
return(new IntegerStatisticsImpl(stats));
}
else if (stats.HasDoubleStatistics)
{
return(new DoubleStatisticsImpl(stats));
}
else if (stats.HasStringStatistics)
{
return(new StringStatisticsImpl(stats));
}
else if (stats.HasDecimalStatistics)
{
return(new DecimalStatisticsImpl(stats));
}
else if (stats.HasDateStatistics)
{
return(new DateStatisticsImpl(stats));
}
else if (stats.HasTimestampStatistics)
{
return(new TimestampStatisticsImpl(stats));
}
else if (stats.HasBinaryStatistics)
{
return(new BinaryStatisticsImpl(stats));
}
else
{
return(new ColumnStatisticsImpl(stats));
}
}
public IntegerStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
OrcProto.IntegerStatistics intStat = stats.IntStatistics;
if (intStat.HasMinimum)
{
hasMinimum = true;
minimum = intStat.Minimum;
}
if (intStat.HasMaximum)
{
maximum = intStat.Maximum;
}
if (intStat.HasSum)
{
sum = intStat.Sum;
}
else
{
overflow = true;
}
}
public BooleanStatisticsImpl(OrcProto.ColumnStatistics stats)
: base(stats)
{
trueCount = stats.BucketStatistics.CountList[0];
}