according to martijin's remarks on
https://groups.google.com/forum/#!topic/elasticsearch/A5DSgvnTnC0
and also this issue
https://github.com/elasticsearch/elasticsearch/issues/3752 ,
search results should be sortable by _boost field.
my particular setup:
{
"product": {
"properties": {
"_boost": {
"type": "float",
"null_value": 1.0,
"index": "not_analyzed"
}
}
}
when using a match_all query, I can sort for any numeric field, but the
"_boost", that does not work. I'm using 0.90.10
Also, I don't know if this is related, but when I try to get the mapping
via localhost:9200/index_name/_mapping , the _boost field doesn't show up.
I guess it's because of its special nature.
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