Azure Search

Azure Search is a search-as-a-service solution that allows developers to incorporate a sophisticated search experience into web and mobile applications without having to worry about the complexities of full-text search and without having to deploy, maintain or manage any infrastructure

How can we improve Azure Search?

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  1. Support case-insensitive comparison in filters

    Searching with text=<xyz> performs a case-insensitive search. However, testing string fields in filters is case-sensitive. There should be a way to do a case-insensitive string comparison in filter expressions.

    486 votes
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      under review  ·  11 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
    • Support hierarchical facets

      Searching in a hierarchy is very common.
      E.g. Cars/Ford/Accessories

      371 votes
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        0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
      • Case-insensitive sorting for string fields

        When querying the index, is it possible to do a case-insensitive $orderby on a string field? For example, we want to sort results by username but preserve the user's choice of casing. While we could workaround this by keeping a normalized version of the username alongside the original data, having this feature built-in would obviously be preferable.

        333 votes
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          under review  ·  2 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
        • Search multiple indexes at once

          The underlying elasticsearch technology supports making a single search query that searches and ranks results over multiple disparate indexes at once[1], but this functionality is not surfaced through the Azure Search APIs.

          Adding this would allow a single search to span over indexes with different schemas combined in a single correctly ordered result set.

          [1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/multi-index.html

          305 votes
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            3 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
          • Add support for field collapsing

            I've utilized field collapsing (aka result grouping) quite a bit utilizing Solr. Being able to group results together by a common element, then being able to page and sort based on that result list.

            162 votes
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              5 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
            • Support custom dictionary

              Some domestic senario like, Legal, really domestic topic require custome dictionary for more accurate wordbreaking, stemming and normalization. I think custome dictionary with easy maintemance like SharePoint or FAST provide today is help this type of senario.

              99 votes
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                5 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
              • Allow handling spelling errors in search "Did you mean ''?"

                It would be really nice to have spell check and auto correct as part of search.

                85 votes
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                  1 comment  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                • Support geo.distance in select result

                  Azure Search does not support returning the distance data from geo.distance in search results. geo.distance can be used in only filter and orderby.

                  I would like to get distance data from geo.distance.

                  82 votes
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                    1 comment  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                  • Support 'skip' in facet queries

                    Currently the results of facet queries can be limited adding the "count:n" parameter to select only the top n results.
                    If one is interested in seeing all results of a facet query, there is no other way than setting the 'count' value sufficiently high to make sure that all result are included in the response.
                    In the scenario of a large number of distinct values for the facet field those queries may, however, result in a large response with poor performance.
                    In order to be able to provide paging through facet results for better performance, it's necessary to have a…

                    81 votes
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                      0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                    • Support Explain API

                      The explain api computes a score explanation for a query and a specific document. This can give useful feedback whether a document matches or didn’t match a specific query.

                      81 votes
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                        2 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                      • Add OData syntax support for startswith, contains, and endswith queries

                        This is essentially a duplicate of another suggestion: https://feedback.azure.com/forums/263029-azure-search/suggestions/6470849

                        The original suggestion mentioned odata support, and while it was marked as complete, it was only added to lucene searches.

                        I'm sure many of the 178 votes where for specifically odata support.

                        58 votes
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                          1 comment  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                        • Improve collection matching expressions

                          Currently, collection matching only supports simple equality for the 'any' option and inequality for the 'all' option.

                          I would like to be able match a collection against a set of values instead of testing a single match individually and then combining the results as shown below

                          $filter=tags/any(t: t eq 'x') and tags/any(t: t eq 'y')

                          Additionally, it would also be useful to have the capabilities to include simple boolean logic within the lambda to craft expressions that match a collection item against slightly more complex logic for example:

                          $filter=tags/any(t: t eq 'x' or t eq 'y')

                          46 votes
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                            0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →

                            We are currently working on expanding the filter syntax available inside lambda expressions (‘any’ and ‘all’). This work is part of the work on Complex Types (currently the highest-voted User Voice item for Azure Search).

                            Regarding the specific examples in this post, the second example is now possible using the new search.in function. For example, this:

                            $filter=tags/any(t: t eq ‘x’) or tags/any(t: t eq ‘y’)

                            Can now be written like this:

                            $filter=tags/any(t: search.in(t, ‘x,y’))

                            In the future we will also be directly supporting ‘or’ inside any/all. We will also support ‘and’ inside any/all for complex types and some primitive types, but not for collections of strings, so the example in the post above using ‘and’ will still be the only way to write that particular query.

                            The ETA for these filter syntax changes is the same as for Complex Types, since we are delivering them together. See this post for…

                          • Provide option to facet on all facetable fields in a Search request

                            Some applications can have a large number of facets and it is inconvenient to have to specify them all explicitly in the Search API, as reported here: http://stackoverflow.com/questions/28542665/azure-search-what-if-i-have-a-lot-of-facets

                            If there were an option like facet=* that returned facets on all facetable fields, that would be easier for such cases.

                            38 votes
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                              0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                            • Provide sum and average on facet

                              It would be nice to have agregation on certain facetable Field.
                              We would define another numeric field to be computed.

                              On the FacetResult, we could get sum and average exactly in the same way as count.

                              32 votes
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                                0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                              • 30 votes
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                                  1 comment  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                                • Disable or replace TF-IDF for relevance computing

                                  (Posting on behalf of Xu Lan)

                                  To fit the needs of our search application, we would like to change the relevance computing by disabling or replacing TF-IDF.
                                  Elasticsearch provides a mechanism to ignore TF-IDF: https://www.elastic.co/guide/en/elasticsearch/guide/current/ignoring-tfidf.html#ignoring-tfidf.

                                  29 votes
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                                    0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Provide method for escaping characters in the search string like UrlEscape

                                    Special characters must be escaped to be used as part of the search text. You can escape them by prefixing them with backslash (\). Special characters that need to be escaped include the following:
                                    + - && || ! ( ) { } [ ] ^ " ~ * ? : \ /
                                    Is there a built in method, basically the equivalent of UrlEscape, which can do this, or is every developer actually expected to do their own implementation?

                                    27 votes
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                                      0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Provide ability of collection Type field to be searched against individual values separately

                                      For a document, where there are multiple values in its collection type column, it gives it lesser score (and hence either to come lower or may not even come in the result) to it even though the search query has matched with ONE of the values in the list COMPLETELY.

                                      This is because, currently Azure Search considers list of all the values provided in the collection type as a single string by concatenating all of them.
                                      My requirement is that if the search query (for that field) matches with any of the values in the collection, it should consider it…

                                      27 votes
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                                        0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Improve Faceting accuracy by having an option to count all records

                                        For fields that have a large distinct value diversity, the faceting feature gives inaccurate results unless the count parameter is set to a number greater than the number of distinct values in a field. There should be an option in an index field that indicates to the search engine to count and facet all the values in a column. I realize this would hurt performance so it should be optional. But sometimes accuracy is more important than raw performance for consumers of your service.

                                        25 votes
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                                          under review  ·  1 comment  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Implement other highlighters

                                          Right now only Postings highlighter is implemented, which highlights single terms instead of full phrase query. Would be good to have other highlighters.
                                          As said here : https://stackoverflow.com/questions/42411353/azure-search-highlights-for-phrases-with-double-quotes

                                          23 votes
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                                            0 comments  ·  Query - Search  ·  Flag idea as inappropriate…  ·  Admin →
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