Queries, filters and match_all

Hello. Help me please, I'm confused. As far as I remember, there was the
only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However, top-level
filter affects query only and doesn't affect i.e. facets. But filtered
query filter affects both of the query and facets facilities. Also, I
remember there was a time I need to add match_all query to filtered query section
if query was empty and filters only was present. Otherwise returned empty
set of documents. Since I'm trying to create high-level Ruby library could
you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query or
    top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered query
    filter affects outside statements and top-level filter doesn't affect some
    parts of request?
  3. Why do I remember about match_all feature and when did requests started
    to return all the documents with empty query section in filtered query? I'm
    checking it right now on 1.2.0 and I don't need to use match_all, or
    constant_score it just returns all the docs for me.

Thanks in advance.

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Btw, Answer for the second question is top-level filter was renamed to
post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't find
filter to post_filter renaming in changelog
(Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find anything
about new query behavior. I need just version where was it changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Hello. Help me please, I'm confused. As far as I remember, there was the
only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets. But
filtered query filter affects both of the query and facets facilities.
Also, I remember there was a time I need to add match_all query to
filtered query section if query was empty and filters only was present.
Otherwise returned empty set of documents. Since I'm trying to create
high-level Ruby library could you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query or
    top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered
    query filter affects outside statements and top-level filter doesn't affect
    some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

--
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There is no label, but the change was made last December:

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

https://github.com/elasticsearch/elasticsearch/blob/master/src/main/java/org/elasticsearch/search/query/QueryPhase.java#L71

--
Ivan

On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov kinwizard@gmail.com
wrote:

Btw, Answer for the second question is top-level filter was renamed to
post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't find
filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find anything
about new query behavior. I need just version where was it changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Hello. Help me please, I'm confused. As far as I remember, there was the
only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets. But
filtered query filter affects both of the query and facets facilities.
Also, I remember there was a time I need to add match_all query to
filtered query section if query was empty and filters only was present.
Otherwise returned empty set of documents. Since I'm trying to create
high-level Ruby library could you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query or
    top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered
    query filter affects outside statements and top-level filter doesn't affect
    some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

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Yeah, I've got ehis already, thanks.

I'm still confused why filtered query is returning all results even without
match_all in filtered query.

четверг, 5 июня 2014 г., 6:21:03 UTC+7 пользователь Ivan Brusic написал:

There is no label, but the change was made last December:

Renamed top level `filter` to `post_filter`. by martijnvg · Pull Request #4461 · elastic/elasticsearch · GitHub

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

https://github.com/elasticsearch/elasticsearch/blob/master/src/main/java/org/elasticsearch/search/query/QueryPhase.java#L71

--
Ivan

On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov <kinw...@gmail.com
<javascript:>> wrote:

Btw, Answer for the second question is top-level filter was renamed to
post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't find
filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find anything
about new query behavior. I need just version where was it changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Hello. Help me please, I'm confused. As far as I remember, there was the
only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets. But
filtered query filter affects both of the query and facets facilities.
Also, I remember there was a time I need to add match_all query to
filtered query section if query was empty and filters only was present.
Otherwise returned empty set of documents. Since I'm trying to create
high-level Ruby library could you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query or
    top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered
    query filter affects outside statements and top-level filter doesn't affect
    some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

--
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Guys, I still need help, A've tried to change filtered query strategies. It
returns all the filtered results anyway for versions 1.0.0 - 1.2.1. When
this behavior was changed and how? Why don't I need match_all for filtered
query with empty query?

пятница, 6 июня 2014 г., 7:14:28 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Yeah, I've got ehis already, thanks.

I'm still confused why filtered query is returning all results even
without match_all in filtered query.

четверг, 5 июня 2014 г., 6:21:03 UTC+7 пользователь Ivan Brusic написал:

There is no label, but the change was made last December:

Renamed top level `filter` to `post_filter`. by martijnvg · Pull Request #4461 · elastic/elasticsearch · GitHub

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

https://github.com/elasticsearch/elasticsearch/blob/master/src/main/java/org/elasticsearch/search/query/QueryPhase.java#L71

--
Ivan

On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov kinw...@gmail.com
wrote:

Btw, Answer for the second question is top-level filter was renamed to
post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't find
filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find
anything about new query behavior. I need just version where was it
changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Hello. Help me please, I'm confused. As far as I remember, there was
the only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets.
But filtered query filter affects both of the query and facets facilities.
Also, I remember there was a time I need to add match_all query to
filtered query section if query was empty and filters only was
present. Otherwise returned empty set of documents. Since I'm trying to
create high-level Ruby library could you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query
    or top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered
    query filter affects outside statements and top-level filter doesn't affect
    some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

--
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Does it matter? From what I can tell, some code was added in 0.90

https://github.com/elasticsearch/elasticsearch/blob/master/src/main/java/org/elasticsearch/index/query/FilteredQueryParser.java#L54

--
Ivan

On Sun, Jun 8, 2014 at 9:34 PM, Arkadiy Zabazhanov kinwizard@gmail.com
wrote:

Guys, I still need help, A've tried to change filtered query strategies.
It returns all the filtered results anyway for versions 1.0.0 - 1.2.1. When
this behavior was changed and how? Why don't I need match_all for filtered
query with empty query?

пятница, 6 июня 2014 г., 7:14:28 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Yeah, I've got ehis already, thanks.

I'm still confused why filtered query is returning all results even
without match_all in filtered query.

четверг, 5 июня 2014 г., 6:21:03 UTC+7 пользователь Ivan Brusic написал:

There is no label, but the change was made last December:

Renamed top level `filter` to `post_filter`. by martijnvg · Pull Request #4461 · elastic/elasticsearch · GitHub

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

GitHub - elastic/elasticsearch: Free and Open, Distributed, RESTful Search Engine
blob/master/src/main/java/org/elasticsearch/search/query/
QueryPhase.java#L71

--
Ivan

On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov kinw...@gmail.com
wrote:

Btw, Answer for the second question is top-level filter was renamed to
post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't find
filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find
anything about new query behavior. I need just version where was it
changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Hello. Help me please, I'm confused. As far as I remember, there was
the only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets.
But filtered query filter affects both of the query and facets
facilities. Also, I remember there was a time I need to add match_all query
to filtered query section if query was empty and filters only was
present. Otherwise returned empty set of documents. Since I'm trying to
create high-level Ruby library could you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query
    or top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered
    query filter affects outside statements and top-level filter doesn't affect
    some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

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Yeah, it does matter because previously I had to add match_all to empty
queries if I was need to get all the results in case of empty query. It
seems currently any empty query replaces with match_all (this follows from
your links), so I don't need to use it explicitly anymore. Am I correct?

I just need to confirm this to remove obsolete code from my library.

понедельник, 9 июня 2014 г., 14:28:07 UTC+7 пользователь Ivan Brusic
написал:

Does it matter? From what I can tell, some code was added in 0.90

Query DSL: Filtered query to make query optional (defaults to mach_all) · elastic/elasticsearch@6687ecb · GitHub

https://github.com/elasticsearch/elasticsearch/blob/master/src/main/java/org/elasticsearch/index/query/FilteredQueryParser.java#L54

--
Ivan

On Sun, Jun 8, 2014 at 9:34 PM, Arkadiy Zabazhanov <kinw...@gmail.com
<javascript:>> wrote:

Guys, I still need help, A've tried to change filtered query strategies.
It returns all the filtered results anyway for versions 1.0.0 - 1.2.1. When
this behavior was changed and how? Why don't I need match_all for filtered
query with empty query?

пятница, 6 июня 2014 г., 7:14:28 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Yeah, I've got ehis already, thanks.

I'm still confused why filtered query is returning all results even
without match_all in filtered query.

четверг, 5 июня 2014 г., 6:21:03 UTC+7 пользователь Ivan Brusic написал:

There is no label, but the change was made last December:

Renamed top level `filter` to `post_filter`. by martijnvg · Pull Request #4461 · elastic/elasticsearch · GitHub

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

GitHub - elastic/elasticsearch: Free and Open, Distributed, RESTful Search Engine
blob/master/src/main/java/org/elasticsearch/search/query/
QueryPhase.java#L71

--
Ivan

On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov kinw...@gmail.com
wrote:

Btw, Answer for the second question is top-level filter was renamed to
post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't
find filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find
anything about new query behavior. I need just version where was it
changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy
Zabazhanov написал:

Hello. Help me please, I'm confused. As far as I remember, there was
the only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets.
But filtered query filter affects both of the query and facets
facilities. Also, I remember there was a time I need to add match_all query
to filtered query section if query was empty and filters only was
present. Otherwise returned empty set of documents. Since I'm trying to
create high-level Ruby library could you please answer following questions:

  1. Which way is preferred now and in future: filtered top-level query
    or top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when filtered
    query filter affects outside statements and top-level filter doesn't affect
    some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

--
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I personally would not count any any default behaviors and would choose to
use match_all explicitly in my calls. Having some filtered queries with no
query (default match all) and some with a more detailed query would be
inconsistent, so my preference would be to always have a query.

It comes down to personal preference. At this point, changing the default
behavior would be a breaking change, so I doubt the Elasticsearch team
would ever revert, but you never know...

--
Ivan

On Mon, Jun 9, 2014 at 12:50 AM, Arkadiy Zabazhanov kinwizard@gmail.com
wrote:

Yeah, it does matter because previously I had to add match_all to empty
queries if I was need to get all the results in case of empty query. It
seems currently any empty query replaces with match_all (this follows from
your links), so I don't need to use it explicitly anymore. Am I correct?

I just need to confirm this to remove obsolete code from my library.

понедельник, 9 июня 2014 г., 14:28:07 UTC+7 пользователь Ivan Brusic
написал:

Does it matter? From what I can tell, some code was added in 0.90

Add docs for the include_named_queries_score param (#103155) · elastic/elasticsearch@47b5753 · GitHub
6687ecb038b55416d4bb37d29746e86f2624f06b
GitHub - elastic/elasticsearch: Free and Open, Distributed, RESTful Search Engine
blob/master/src/main/java/org/elasticsearch/index/query/
FilteredQueryParser.java#L54

--
Ivan

On Sun, Jun 8, 2014 at 9:34 PM, Arkadiy Zabazhanov kinw...@gmail.com
wrote:

Guys, I still need help, A've tried to change filtered query strategies.
It returns all the filtered results anyway for versions 1.0.0 - 1.2.1. When
this behavior was changed and how? Why don't I need match_all for filtered
query with empty query?

пятница, 6 июня 2014 г., 7:14:28 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Yeah, I've got ehis already, thanks.

I'm still confused why filtered query is returning all results even
without match_all in filtered query.

четверг, 5 июня 2014 г., 6:21:03 UTC+7 пользователь Ivan Brusic написал:

There is no label, but the change was made last December:

Renamed top level `filter` to `post_filter`. by martijnvg · Pull Request #4461 · elastic/elasticsearch · GitHub

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

GitHub - elastic/elasticsearch: Free and Open, Distributed, RESTful Search Engine
src/main/java/org/elasticsearch/search/query/QueryPhase.java#L71

--
Ivan

On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov kinw...@gmail.com
wrote:

Btw, Answer for the second question is top-level filter was renamed
to post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't
find filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find
anything about new query behavior. I need just version where was it
changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy
Zabazhanov написал:

Hello. Help me please, I'm confused. As far as I remember, there was
the only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets.
But filtered query filter affects both of the query and facets
facilities. Also, I remember there was a time I need to add
match_all query to filtered query section if query was empty and
filters only was present. Otherwise returned empty set of documents. Since
I'm trying to create high-level Ruby library could you please answer
following questions:

  1. Which way is preferred now and in future: filtered top-level
    query or top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when
    filtered query filter affects outside statements and top-level filter
    doesn't affect some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

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Reasonable approach, I think, I'll use it in my gem for now. But will wait
for the answer as well just to bate my curiosity :slight_smile:

понедельник, 9 июня 2014 г., 22:59:04 UTC+7 пользователь Ivan Brusic
написал:

I personally would not count any any default behaviors and would choose to
use match_all explicitly in my calls. Having some filtered queries with no
query (default match all) and some with a more detailed query would be
inconsistent, so my preference would be to always have a query.

It comes down to personal preference. At this point, changing the default
behavior would be a breaking change, so I doubt the Elasticsearch team
would ever revert, but you never know...

--
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On Mon, Jun 9, 2014 at 12:50 AM, Arkadiy Zabazhanov <kinw...@gmail.com
<javascript:>> wrote:

Yeah, it does matter because previously I had to add match_all to empty
queries if I was need to get all the results in case of empty query. It
seems currently any empty query replaces with match_all (this follows from
your links), so I don't need to use it explicitly anymore. Am I correct?

I just need to confirm this to remove obsolete code from my library.

понедельник, 9 июня 2014 г., 14:28:07 UTC+7 пользователь Ivan Brusic
написал:

Does it matter? From what I can tell, some code was added in 0.90

Add docs for the include_named_queries_score param (#103155) · elastic/elasticsearch@47b5753 · GitHub
6687ecb038b55416d4bb37d29746e86f2624f06b
GitHub - elastic/elasticsearch: Free and Open, Distributed, RESTful Search Engine
blob/master/src/main/java/org/elasticsearch/index/query/
FilteredQueryParser.java#L54

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On Sun, Jun 8, 2014 at 9:34 PM, Arkadiy Zabazhanov kinw...@gmail.com
wrote:

Guys, I still need help, A've tried to change filtered query
strategies. It returns all the filtered results anyway for versions 1.0.0 -
1.2.1. When this behavior was changed and how? Why don't I need match_all
for filtered query with empty query?

пятница, 6 июня 2014 г., 7:14:28 UTC+7 пользователь Arkadiy Zabazhanov
написал:

Yeah, I've got ehis already, thanks.

I'm still confused why filtered query is returning all results even
without match_all in filtered query.

четверг, 5 июня 2014 г., 6:21:03 UTC+7 пользователь Ivan Brusic
написал:

There is no label, but the change was made last December:

Renamed top level `filter` to `post_filter`. by martijnvg · Pull Request #4461 · elastic/elasticsearch · GitHub

It appears that the REST API still supports the old notation, but the
change did break Java backwards compatibility

GitHub - elastic/elasticsearch: Free and Open, Distributed, RESTful Search Engine
src/main/java/org/elasticsearch/search/query/QueryPhase.java#L71

--
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On Tue, Jun 3, 2014 at 8:11 PM, Arkadiy Zabazhanov <kinw...@gmail.com

wrote:

Btw, Answer for the second question is top-level filter was renamed
to post_filter. That's awesome. So the first question is answered too.
Filtered query is preferred.
Still waiting for an answer for the third question. Since I didn't
find filter to post_filter renaming in changelog (
Elasticsearch Platform — Find real-time answers at scale | Elastic) and I can't find
anything about new query behavior. I need just version where was it
changed, please.

вторник, 3 июня 2014 г., 19:27:17 UTC+7 пользователь Arkadiy
Zabazhanov написал:

Hello. Help me please, I'm confused. As far as I remember, there
was the only way to pass filters to search query - via filtered query. But
currently there is a top-level filter part of the query. However,
top-level filter affects query only and doesn't affect i.e. facets.
But filtered query filter affects both of the query and facets
facilities. Also, I remember there was a time I need to add
match_all query to filtered query section if query was empty and
filters only was present. Otherwise returned empty set of documents. Since
I'm trying to create high-level Ruby library could you please answer
following questions:

  1. Which way is preferred now and in future: filtered top-level
    query or top-level filter with top-level query?
  2. How do you plan to resolve such an API inconsistency when
    filtered query filter affects outside statements and top-level filter
    doesn't affect some parts of request?
  3. Why do I remember about match_all feature and when did requests
    started to return all the documents with empty query section in filtered
    query? I'm checking it right now on 1.2.0 and I don't need to use
    match_all, or constant_score it just returns all the docs for me.

Thanks in advance.

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