Elliot West teabot

## Avro-questions.csv

          
            Action
            BACKWARD TRANSITIVE
            FORWARD TRANSITIVE
            FULL TRANSITIVE

            
              Can I add a new field with a default value?
              Yes
              Yes
              Yes

            
              Can I add a new field without a default value?
              No
              Yes
              No

            
              Can I remove an existing field with a default value?
              Yes
              Yes
              Yes

            
              Can I remove an existing field without a default value?
              Yes
              No
              No

            
              Can I rename an existing field with an alias?
              Yes
              Yes
              Yes

            
              Can I rename an existing field without an alias?
              No
              No
              No

            
              Can I add a default value to an existing field?
              Maybe
              Maybe
              Maybe

            
              Can I remove a default from an existing field?
              Maybe
              Maybe
              Maybe

            
              Can I make an existing field nullable?
              Yes
              No
              No

## avro-incompatible-key.csv

          
            Sybmol
            Meaning

            
              ⬇️
              Step can be skipped

            
              ✅
              Compatible change

            
              🚫
              Incompatible change

            
              BW / FW / FU
              BACKWARDS / FORWARDS / FULL compatibility modes

            
              BWT / FWT / FUT
              BACKWARDS / FORWARDS / FULL TRANSITIVE compatibility modes

## avro-incompatible-steps.csv

          
            Step
            BW
            FW
            FU
            BWT
            FWT
            FUT

            
              Step 1 - Add default to existing field
              ⬇️
              ✅
              ✅
              ⬇️
              ✅
              ✅

            
              Step 2 - Add new field
              ✅
              ✅
              ✅
              ✅
              ✅
              ✅

            
              Step 3 - Remove existing field
              ✅
              ✅
              ✅
              ✅
              🚫
              🚫

            
              Step 4 - Remove default from new field
              ✅
              ⬇️
              ✅
              🚫
              🚫
              🚫

            
              Step 5 - Rename new field
              ✅
              ✅
              ✅
              🚫
              🚫
              🚫

## mutant-swarm-report-image
intentionally-blank

## PartitionTapTest.java
package com.hotels.plunger;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.junit.Rule;

## header2ddl
#!/bin/bash

delim=$1
for file in *.tsv
do
  name=${file%.tsv}
  columns=`head -n1 $file`
  echo -n "CREATE TABLE $name ("
    arr=$(echo $columns | tr $delim "\n")
    first=1

## updot
#!/bin/bash

if [ $# -ne 1 ]
then
  echo "Usage: `basename $0` {dot file}"
  exit -1
fi

FILE=$1
NAME=${FILE%.dot}

## .gitconfig
[user]
	name = Elliot West
	email = teabot@gmail.com
[color]
	ui = true
[alias]
	glog = log --graph --pretty=oneline --abbrev-commit --decorate --stat
	st = status
	ci = commit
	br = branch

## wikiDataflow2Diagram.sh
#!/bin/sh
curl -s "http://mywiki.me/wiki/DataFlow" > dataflow_page.html
awk '/# BEGIN/,/# END/{if(!/pattern/)print}' dataflow_page.html | \
awk '{gsub("&gt;", ">", $0);print}' | \
awk '{gsub("&quot;", "\"", $0);print}' | \
awk '{gsub("&lt;", "<", $0);print}' > dataflow.dot
EPOCH=`date +"%s"`
dot -Tpng dataflow.dot -o dataflow-${EPOCH}.png
gimp dataflow-${EPOCH}.png

## LocalJtaTransactionFactory.java
package my.project.hibernate;

import javax.transaction.UserTransaction;

import org.hibernate.transaction.JTATransactionFactory;

/**
 * A Hibernate {@link JTATransactionFactory} implementation that avoids using JNDI for lookups. You must set the
 * {@link UserTransaction} on this bean with #setUserTransaction(UserTransaction)} before using it.
 */
Action	BACKWARD TRANSITIVE	FORWARD TRANSITIVE	FULL TRANSITIVE
Can I add a new field with a default value?	Yes	Yes	Yes
Can I add a new field without a default value?	No	Yes	No
Can I remove an existing field with a default value?	Yes	Yes	Yes
Can I remove an existing field without a default value?	Yes	No	No
Can I rename an existing field with an alias?	Yes	Yes	Yes
Can I rename an existing field without an alias?	No	No	No
Can I add a default value to an existing field?	Maybe	Maybe	Maybe
Can I remove a default from an existing field?	Maybe	Maybe	Maybe
Can I make an existing field nullable?	Yes	No	No
	Sybmol	Meaning
	⬇️	Step can be skipped
	✅	Compatible change
	🚫	Incompatible change
	BW / FW / FU	BACKWARDS / FORWARDS / FULL compatibility modes
	BWT / FWT / FUT	BACKWARDS / FORWARDS / FULL TRANSITIVE compatibility modes
Step	BW	FW	FU	BWT	FWT	FUT
Step 1 - Add default to existing field	⬇️	✅	✅	⬇️	✅	✅
Step 2 - Add new field	✅	✅	✅	✅	✅	✅
Step 3 - Remove existing field	✅	✅	✅	✅	🚫	🚫
Step 4 - Remove default from new field	✅	⬇️	✅	🚫	🚫	🚫
Step 5 - Rename new field	✅	✅	✅	🚫	🚫	🚫
	package com.hotels.plunger;

	import static org.hamcrest.CoreMatchers.is;
	import static org.junit.Assert.assertThat;

	import java.io.File;
	import java.io.IOException;

	import org.apache.commons.io.FileUtils;
	import org.junit.Rule;
	#!/bin/bash

	delim=$1
	for file in *.tsv
	do
	name=${file%.tsv}
	columns=`head -n1 $file`
	echo -n "CREATE TABLE $name ("
	arr=$(echo $columns \| tr $delim "\n")
	first=1
	#!/bin/bash

	if [ $# -ne 1 ]
	then
	echo "Usage: `basename $0` {dot file}"
	exit -1
	fi

	FILE=$1
	NAME=${FILE%.dot}
	[user]
	name = Elliot West
	email = teabot@gmail.com
	[color]
	ui = true
	[alias]
	glog = log --graph --pretty=oneline --abbrev-commit --decorate --stat
	st = status
	ci = commit
	br = branch
	#!/bin/sh
	curl -s "http://mywiki.me/wiki/DataFlow" > dataflow_page.html
	awk '/# BEGIN/,/# END/{if(!/pattern/)print}' dataflow_page.html \| \
	awk '{gsub(">", ">", $0);print}' \| \
	awk '{gsub(""", "\"", $0);print}' \| \
	awk '{gsub("<", "<", $0);print}' > dataflow.dot
	EPOCH=`date +"%s"`
	dot -Tpng dataflow.dot -o dataflow-${EPOCH}.png
	gimp dataflow-${EPOCH}.png
	package my.project.hibernate;

	import javax.transaction.UserTransaction;

	import org.hibernate.transaction.JTATransactionFactory;

	/**
	* A Hibernate {@link JTATransactionFactory} implementation that avoids using JNDI for lookups. You must set the
	* {@link UserTransaction} on this bean with #setUserTransaction(UserTransaction)} before using it.
	*/