Uses of Class
com.twitter.elephantbird.util.ColumnarMetadata

Packages that use ColumnarMetadata

com.twitter.elephantbird.mapreduce.output
com.twitter.elephantbird.util

Uses of ColumnarMetadata in com.twitter.elephantbird.mapreduce.output

Methods in com.twitter.elephantbird.mapreduce.output that return ColumnarMetadata

protected ColumnarMetadata	RCFileThriftOutputFormat.makeColumnarMetadata()
protected ColumnarMetadata	RCFileProtobufOutputFormat.makeColumnarMetadata()

Uses of ColumnarMetadata in com.twitter.elephantbird.util

Methods in com.twitter.elephantbird.util that return ColumnarMetadata

static ColumnarMetadata	ColumnarMetadata.newInstance(String classname, List<Integer> fieldIdList)
static ColumnarMetadata	ColumnarMetadata.newInstance(String classname, List<Integer> fieldIdList, int nesting)
static ColumnarMetadata	ColumnarMetadata.parseFrom(byte[] messageBuffer)
static ColumnarMetadata	RCFileUtil.readMetadata(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rcfile) reads ColumnarMetadata stored in an RCFile.

Methods in com.twitter.elephantbird.util with parameters of type ColumnarMetadata

static ArrayList<Integer>

RCFileUtil.findColumnsToRead(org.apache.hadoop.conf.Configuration conf, List<Integer> currFieldIds, ColumnarMetadata storedInfo) Returns list of columns that need to be read from the RCFile.