Package org.apache.drill.exec.client

Class DumpCat

java.lang.Object

org.apache.drill.exec.client.DumpCat

public class DumpCat
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DumpCat.BatchNumValidator	Used to ensure the param "batch" is a non-negative number.

Constructor Summary

Constructors

Constructor	Description
DumpCat()

Method Summary

Modifier and Type	Method	Description
protected void	doBatch(FileInputStream input, int targetBatchNum, boolean showHeader)	Batch mode: $drill-dumpcat --file=local:///tmp/drilltrace/[queryid]_[tag]_[majorid]_[minor]_[operator] --batch=123 --include-headers=true Records: 1/1 Average Record Size: 8 bytes Total Data Size: 8 bytes Schema Information name: col1, minor_type: int4, data_mode: nullable name: col2, minor_type: int4, data_mode: non-nullable
protected void	doQuery(FileInputStream input)	Querymode: $drill-dumpcat --file=local:///tmp/drilltrace/[queryid]_[tag]_[majorid]_[minor]_[operator] Batches: 135 Records: 53,214/53,214 // the first one is the selected records.
static void	main(String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DumpCat

public DumpCat()

Method Details

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

doQuery

protected void doQuery(FileInputStream input)
                throws Exception

Querymode: $drill-dumpcat --file=local:///tmp/drilltrace/[queryid]_[tag]_[majorid]_[minor]_[operator] Batches: 135 Records: 53,214/53,214 // the first one is the selected records. The second number is the total number of records. Selected Records: 53,214 Average Record Size: 74 bytes Total Data Size: 12,345 bytes Number of Empty Batches: 1 Schema changes: 1 Schema change batch indices: 0

Throws:

Exception

doBatch

protected void doBatch(FileInputStream input,
 int targetBatchNum,
 boolean showHeader)
                throws Exception

Batch mode: $drill-dumpcat --file=local:///tmp/drilltrace/[queryid]_[tag]_[majorid]_[minor]_[operator] --batch=123 --include-headers=true Records: 1/1 Average Record Size: 8 bytes Total Data Size: 8 bytes Schema Information name: col1, minor_type: int4, data_mode: nullable name: col2, minor_type: int4, data_mode: non-nullable

Parameters:

targetBatchNum -

Throws:

Exception