Index Mapping

Error

[2012-05-20 07:46:06,920][DEBUG][action.search.type       ] [Zaladane] [kb-post][0], node[Z2lVjAo1TaeFK4xFJ7seMQ], [P], s[STARTED]: Failed to execute [org.elasticsearch.action.search.SearchRequest@3227f076]
org.elasticsearch.search.SearchParseException: [kb-post][0]: from[-1],size[-1]: Parse Failure [Failed to parse source [{"query":{"has_child":{"type":"kb-post-tag","query":{"text":{"tag":"question"}}}}}]]
	at org.elasticsearch.search.SearchService.parseSource(SearchService.java:557)
	at org.elasticsearch.search.SearchService.createContext(SearchService.java:469)
	at org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:228)
	at org.elasticsearch.search.action.SearchServiceTransportAction.sendExecuteQuery(SearchServiceTransportAction.java:140)
	at org.elasticsearch.action.search.type.TransportSearchQueryThenFetchAction$AsyncAction.sendExecuteFirstPhase(TransportSearchQueryThenFetchAction.java:80)
	at org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:204)
	at org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:191)
	at org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction$2.run(TransportSearchTypeAction.java:177)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:680)

>>>>

Caused by: org.elasticsearch.index.query.QueryParsingException: [kb-post] [has_child]  Type [kb-post-tag] does not have parent mapping


>>>>
	at org.elasticsearch.index.query.HasChildQueryParser.parse(HasChildQueryParser.java:101)
	at org.elasticsearch.index.query.QueryParseContext.parseInnerQuery(QueryParseContext.java:192)
	at org.elasticsearch.index.query.IndexQueryParserService.parse(IndexQueryParserService.java:243)
	at org.elasticsearch.index.query.IndexQueryParserService.parse(IndexQueryParserService.java:223)
	at org.elasticsearch.search.query.QueryParseElement.parse(QueryParseElement.java:33)
	at org.elasticsearch.search.SearchService.parseSource(SearchService.java:545)
	... 10 more

gistfile1.json

{
   "kb-post" : {
      "kb-post" : {
         "properties" : {
            "dt_created" : {
               "format" : "dateOptionalTime",
               "type" : "date"
            },
            "score" : {
               "type" : "string"
            },
            "parent_id" : {
               "type" : "long"
            },
            "body" : {
               "type" : "string"
            },
            "summary" : {
               "type" : "string"
            },
            "dt_updated" : {
               "format" : "dateOptionalTime",
               "type" : "date"
            },
            "person" : { /* snip */ }
            "action" : {
               "type" : "string"
            },
            "id" : {
               "type" : "string"
            }
         }
      },
      "kb-post-tag" : {
         "_parent" : {
            "type" : "kb-post"
         },
         "properties" : {
            "tag" : {
               "type" : "string"
            },
            "parent_pk1" : {
               "type" : "string"
            },
            "parent_id" : {
               "type" : "string"
            }
         }
      }
   }
}

Query.json

{
  "query": {
    "has_child": {
      "type": "kb-post-tag",
      "query": {
        "text": {
          "tag": "question"
        }
      }
    }
  }
}