I ran into the following today in Elasticsearch 1.4.4 and am trying to
determine if this is a bug in Elasticsearch or a bug in my understanding of
Elasticsearch. I'm more than willing to believe it is the latter. It should
be very reproducible with the commands I've pasted.
Let's say I have two types - books and authors - and I add one of each to
my test index:
POST /tests/authors
{ "name": "mytest12345" }
POST /tests/books
{
"title": "My big book",
"authors": [{ "name": "mytest12345" }]
}
I can perform a simple query and I will get both records back - one artist,
one book:
GET /tests/_search?q=mytest12345
This is what I would expect.
If I then query against the authors.name field within the books type, I get
my book, also just as I expect:
GET /tests/books/_search?q=authors.name:mytest12345
However, if I perform the exact same query against the root of the index
instead of against the books type
GET /tests/_search?q=authors.name:mytest12345
I instead get back the *author* record. The book no longer comes back at
all even though to my understanding I'm performing the same query against
*all* types instead of just books.
If I delete the authors type (and I confirmed deleting just the authors records
won't work)
DELETE /tests/authors
Then the query against the index root behaves as expected
GET /tests/_search?q=authors.name:mytest12345
It basically appears that the query
GET /{index}/_search?q=*{type}.{field}*:{query}
appears to run internally as:
GET /{index}/*{type}*/_search?q=*{field}*:{query}
when the {type} type exists in the index. So my question is, is this
correct behavior that I don't understand? Or is it a bug? It feels like a
bug to me, but I'll defer to the experts here. I'm happy to open a ticket
if someone more experienced than me can verify it's an issue.
Thanks,
-joel
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