Bulk updates do not conflict, ignore doc versioning

bulk-update-version.sh

curl -XDELETE 'localhost:9200/test'

curl 'localhost:9200/test/_refresh'

curl -XPUT 'localhost:9200/test'

curl -XPOST 'localhost:9200/_bulk' -d '
{ "index" : { "_index" : "test", "_type" : "doc", "_id" : "1" } }
{ "field1" : "value1"}
'

curl 'localhost:9200/test/_refresh'

# no conflict!

curl -XPOST 'localhost:9200/_bulk' -d '
{ "update" : { "_index" : "test", "_type" : "doc", "_id" : "1", "_version" : 1 } }
{ "doc" : { "field2" : "value2" } }
'

curl 'localhost:9200/test/_refresh'


# no conflict!

curl -XPOST 'localhost:9200/_bulk' -d '
{ "update" : { "_index" : "test", "_type" : "doc", "_id" : "1", "_version" : 1 } }
{ "doc" : { "field3" : "value3" } }
'

curl 'localhost:9200/test/_refresh'

curl 'localhost:9200/test/doc/1'

#  --> {"field1":"value1","field2":"value2","field3":"value3"}