There have been a change in order for better performance. Empty or null
values are not the same semantics as missing field and this unfortunately
changed without a notice. There is a workaround using range filter to get
the old behavior.
Jörg
Am 11.12.2014 13:26 schrieb "arshad Ali" :
> Dear folks,
>
> I have discovered that missing filter doesn't work in ES 1.4 as it does in
> 1.1.1. I have two instances running and have run the following query on
> both but in 1.4 everytime i get nothing and 1.1.1 does exactly what i want
> it to do. could you please look into it.
>
> GET myindex/_search?pretty
> {"query": {"filtered": {
>"query": {"match_all": {}},
>"filter": {"missing": {
> "field": "abstract"
>}}
> }}}
>
>
> Similarly when i run the following to get records having values in
> "abstract" field only, it gives me everything including those which have
> null values. when i run this query in 1.1.1, it does it perfectly allright.
>
> {"query": {"filtered": {
>"query": {"match_all": {}},
>"filter": {"exists": {
> "field": "abstract"
>}}
> }}}
>
> Please let me know if this is a bug or if I am missing anything here or
> not aware of the changes in 1.4
>
> many thanks
>
> Arshad
>
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