gistfile1.txt

curl -s -XDELETE localhost:9200/so_delete_parent >/dev/null
curl -s -XPUT localhost:9200/so_delete_parent/ -d '{ "settings": { "index": { "number_of_shards" : 2 }  } }' >/dev/null
curl -s -XPUT localhosT:9200/so_delete_parent/childs/_mapping -d '{ "_parent": { "type": "parents" } }' >/dev/null
curl -s -XPUT localhost:9200/so_delete_parent/childs/A\?parent=1 -d '{ "doc": "parent 1" }' 
curl -s -XPUT localhost:9200/so_delete_parent/childs/A\?parent=2 -d '{ "doc": "parent 2" }' 
curl -s localhost:9200/so_delete_parent/childs/A\?parent=1 | json_pp
curl -s localhost:9200/so_delete_parent/childs/A\?parent=2 | json_pp
curl -s localhost:9200/so_delete_parent/childs/A\?parent=666 | json_pp
curl -s localhost:9200/so_delete_parent/childs/A | json_pp # fails with ES 1.0

results in:

# put parent=1
{"_index":"so_delete_parent","_type":"childs","_id":"A","_version":1,"created":true}

# put parent=2
{"_index":"so_delete_parent","_type":"childs","_id":"A","_version":1,"created":true}

# get parent=1
{
   "_source" : {
      "doc" : "parent 1"
   },
   "_index" : "so_delete_parent",
   "_id" : "A",
   "_type" : "childs",
   "found" : true,
   "_version" : 1
}
# get parent=2
{
   "_source" : {
      "doc" : "parent 2"
   },
   "_index" : "so_delete_parent",
   "_id" : "A",
   "_type" : "childs",
   "found" : true,
   "_version" : 1
}
# get parent=666
{
   "_source" : {
      "doc" : "parent 2"
   },
   "_index" : "so_delete_parent",
   "_id" : "A",
   "_type" : "childs",
   "found" : true,
   "_version" : 1
}
# no parent param -- works with (some?) ES 0.9 versions
{
   "status" : 400,
   "error" : "RoutingMissingException[routing is required for [so_delete_parent]/[childs]/[A]]"
}