child query

curl -XGET "http://localhost:9200/parentchild/Child_english/_search" -d'
{
   "query": {
      "query_string": {
         "query": "these are four words"
      }
   }
}'

filtered child query

curl -XGET "http://localhost:9200/parentchild/Child_english/_search" -d'
{
   "query": {
      "filtered": {
         "query": {
            "query_string": {
               "query": "these are four words"
            }
         },
         "filter": {
             "term": {
                "usage": "description"
             }
         }
      }
   }
}'

filtered parent query

curl -XGET "http://localhost:9200/parentchild/Parent/_search" -d'
{
   "query": {
      "filtered": {
         "query": {
            "bool": {
               "should": [
                  {
                     "query_string": {
                        "query": "these are four words"
                     }
                  },
                  {
                     "top_children": {
                        "type": "Child_english",
                        "query": {
                           "query_string": {
                              "query": "these are four words"
                           }
                        }
                     }
                  }
               ]
            }
         },
         "filter": {
             "range": {
                "id": {
                   "from": 1000000,
                   "to": 1100000
                }
             }
         }
      }
   }
}'

mapping

{
   "parentchild": {
      "mappings": {
         "Child_german": {
            "_parent": {
               "type": "Parent"
            },
            "_routing": {
               "required": true
            },
            "properties": {
               "locale": {
                  "type": "string"
               },
               "text": {
                  "type": "string",
                  "analyzer": "german"
               },
               "usage": {
                  "type": "string"
               }
            }
         },
         "Child_english": {
            "_parent": {
               "type": "Parent"
            },
            "_routing": {
               "required": true
            },
            "properties": {
               "locale": {
                  "type": "string"
               },
               "text": {
                  "type": "string",
                  "analyzer": "english"
               },
               "usage": {
                  "type": "string"
               }
            }
         },
         "Child_finnish": {
            "_parent": {
               "type": "Parent"
            },
            "_routing": {
               "required": true
            },
            "properties": {
               "locale": {
                  "type": "string"
               },
               "text": {
                  "type": "string",
                  "analyzer": "finnish"
               },
               "usage": {
                  "type": "string"
               }
            }
         },
         "Child_french": {
            "_parent": {
               "type": "Parent"
            },
            "_routing": {
               "required": true
            },
            "properties": {
               "locale": {
                  "type": "string"
               },
               "text": {
                  "type": "string",
                  "analyzer": "french"
               },
               "usage": {
                  "type": "string"
               }
            }
         },
         "Child_polish": {
            "_parent": {
               "type": "Parent"
            },
            "_routing": {
               "required": true
            },
            "properties": {
               "locale": {
                  "type": "string"
               },
               "text": {
                  "type": "string",
                  "analyzer": "polish"
               },
               "usage": {
                  "type": "string"
               }
            }
         },
         "Child_spanish": {
            "_parent": {
               "type": "Parent"
            },
            "_routing": {
               "required": true
            },
            "properties": {
               "locale": {
                  "type": "string"
               },
               "text": {
                  "type": "string",
                  "analyzer": "spanish"
               },
               "usage": {
                  "type": "string"
               }
            }
         },
         "Parent": {
            "properties": {
               "id": {
                  "type": "integer"
               }
            }
         }
      }
   }
}

parent query

curl -XGET "http://localhost:9200/parentchild/Parent/_search" -d'
{
   "query": {
      "bool": {
         "should": [
            {
               "query_string": {
                  "query": "these are four words"
               }
            },
            {
               "top_children": {
                  "type": "Child_english",
                  "query": {
                     "query_string": {
                        "query": "these are four words"
                     }
                  }
               }
            }
         ]
      }
   }
}'