How i build Dynamicx queries elasticsearch_dsl python

Question

I have the following problem with the elasticsearch_dsl python library.

I am developing a web application (DJANGO framework) with search functionality. I want to build a dynamic query, must mode.

So here it is the following code

i = 0
must = []
while (i < len(results['words'])):
    must.append(Q('match', tags=results['words'][i]))
    i += 1

print must
client = Elasticsearch()
es = Search(using=client, index="_______")
es.query(must)
response = es.execute()
for hit in response:
    print hit
return response.hits.total

Python returns exceptions.TypeError

I have already the documentation of elasticsearch_dsl but i didn't find something like my issue. Do you know the way how i fix this problem?

Yeah, sorry for the delayed response. Your answer was to the point — nbompetsis
– nbompetsis, Commented Feb 4, 2016 at 2:19

ChintanShah25 · Accepted Answer · 2016-01-11 00:56:04Z

2

You are kind of close. You need to specify bool and then query on the Search object like this

i = 0
must = []
while (i < len(results['words'])):
    must.append(Q('match', tags=results['words'][i]))
    i += 1

print must
client = Elasticsearch()
q = Q('bool', must=must)   <--- This is important
es = Search(using=client, index="_______").query(q)
response = es.execute()
for hit in response:
    print hit
return response.hits.total

You can also see the actual query with es.to_dict() which can help you understand

answered Jan 11, 2016 at 0:56

ChintanShah25

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1 Comment

nbompetsis Over a year ago

Your immediately answer was quite helpful. If i have the right reputation I'll give you a vote up.

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