问python弹性服务器:只有精确匹配才能返回结果

EN

    import elasticsearch 
    INDEX_NAME= 'test_1' 
    from elasticsearch import Elasticsearch 
    es = Elasticsearch() 
    es.index(index=INDEX_NAME, doc_type='post', id=1, body={'title': 'Using Python with Elasticsearch', 'tags': ['python', 'elasticsearch', 'tips'], })
    es.indices.refresh(index=INDEX_NAME) 
    res = es.indices.get(index=INDEX_NAME) 
    print res

{u'test_1': {u'warmers': {}, u'settings': {u'index': {u'number_of_replicas': u'1', u'number_of_shards': u'5', u'uuid': u'Z2KLxeQLRay4rFgdK4yo9A', u'version': {u'created': u'2020199'}, u'creation_date': u'1484405704970'}}, u'mappings': {u'post': {u'properties': {u'blog': {u'type': u'string'}, u'title': {u'type': u'string'}, u'tags': {u'type': u'string'}, u'author': {u'type': u'string'}}}}, u'aliases': {}}}

INDEX_NAME = 'test_1'
from elasticsearch import Elasticsearch
es = Elasticsearch()
request_body = {
'mappings':{
'post': {
'properties': {
'title': {'type':'text'}
}
}
}
}
if es.indices.exists(INDEX_NAME):
res = es.indices.delete(index = INDEX_NAME)
print(" response: '%s'" % (res))
res = es.indices.create(index = INDEX_NAME, body= request_body, ignore=400)
print res

response: '{u'acknowledged': True}'
{u'status': 400, u'error': {u'caused_by': {u'reason': u**'No handler for type [text] declared on field [title]**', u'type': u'mapper_parsing_exception'}, u'root_cause': [{u'reason': u'No handler for type [text] declared on field [title]', u'type': u'mapper_parsing_exception'}], u'type': u'mapper_parsing_exception', u'reason': u'Failed to parse mapping [post]: No handler for type [text] declared on field [title]'}}

request_body = {
'mappings':{
'post': {
'properties': {
**'title': {'type':'string', "index": "not_analyzed"}**
}
}
}
}

    request_body = {
'mappings':{
'post': {
'properties': {
**'title': {'type':'string', "index": "analyzed"}**
}
}
}
}