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  • Bjarne Fyrstenborg 1285 posts 4039 karma points MVP 8x c-trib
    Mar 27, 2017 @ 12:29
    Bjarne Fyrstenborg
    0

    Search single field using multiple keywords in Examine

    I am trying to search in a single field in Examine if it match any of the values from a comma separated list of values.

    Eg. it might be some regions/areas in Denmark like "midt, syd, vest".

    So for example: string area = "midt,syd"

    At the moment I have the following, but it only return result for first value in the array (when splitted with comma).

    var searcher = ExamineManager.Instance.SearchProviderCollection["OffersSearcher"];

var searchCriteria = searcher.CreateSearchCriteria(BooleanOperation.Or);
IBooleanOperation query = searchCriteria.NodeTypeAlias("offer");

var fieldsToSearch = new List<string> { "nodeName", "shortDescription", "offerCategory", "offerTypes", "offerProvider", "offerArea" };

if (!string.IsNullOrWhiteSpace(q))
{
    var keywords = StringHelper.SplitKeyWords(q);
    IBooleanOperation filter = query.And().GroupedOr(fieldsToSearch, keywords.First().MultipleCharacterWildcard());

    foreach (var term in keywords.Skip(1))
    {
        filter = filter.Or().GroupedOr(fieldsToSearch, term.MultipleCharacterWildcard());
    }

    query = filter;
}

if (!string.IsNullOrEmpty(area))
{
    var areaValues = StringHelper.SplitKeyWords(area, ',');

    IBooleanOperation filter = query.And().GroupedOr(new string[] { "offerArea" }, areaValues.First());
    foreach (var val in areaValues.Skip(1))
    {
        filter = filter.Or().GroupedOr(new string[] { "offerArea" }, val);
    }

    query = filter;
}

var results = searcher.Search(query.Compile());

    It seems the query at the end is __NodeTypeAlias:offer +(offerArea:midt) (offerArea:syd)

    If I in Luke change the query to __NodeTypeAlias:offer +(offerArea:midt offerArea:syd), then I get results for both regions/areas.

    Is there a way to get this output from Examine?

    I am using Umbraco v7.5.11

    /Bjarne

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  • Sven Geusens 169 posts 881 karma points c-trib
    Mar 27, 2017 @ 14:16
    Sven Geusens
    0

    I think the problem lies with the way you are using the .GroupedOr().

    I think you need to do filter.GroupedOr(fieldsToSearch,keywords) according to the documentation found here https://github.com/Shazwazza/Examine/wiki/Grouped-Operations#groupedor

    Relevant bit:

    where 'id' or 'parentID' equals 1 or 2.

    Multi field + different number of vals, example:

    criteria.GroupedOr(new[] { "id", "parentID" }.ToList(), new[] { "1", "2", "3" });

    Outputs

    +(id:1 id:2 id:3 parentID:1 parentID:2 parentID:3)

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  • Bjarne Fyrstenborg 1285 posts 4039 karma points MVP 8x c-trib
    Mar 27, 2017 @ 15:35
    Bjarne Fyrstenborg
    1

    Hi Sven

    Thanks for your suggestions.. I had a closer look at the documentation and have now updated my code to the following, which search in the specified fields on multiple keywords.. and for area search in a single field for multiple values (selected checkbox values).

    var searcher = ExamineManager.Instance.SearchProviderCollection["OffersSearcher"];
var searchCriteria = searcher.CreateSearchCriteria(BooleanOperation.Or);
IBooleanOperation query = searchCriteria.NodeTypeAlias("offer");

var fieldsToSearch = new List<string> { "nodeName", "shortDescription", "offerCategory", "offerTypes", "offerProvider", "offerArea" };

if (!string.IsNullOrWhiteSpace(q))
{
    var keywords = StringHelper.SplitKeyWords(q);
    IBooleanOperation filter = query.And().GroupedOr(fieldsToSearch, keywords.Select(t => t.MultipleCharacterWildcard()).ToArray());
    query = filter;
}
if (!string.IsNullOrEmpty(area))
{
    var areaValues = StringHelper.SplitKeyWords(area, ',');
    IBooleanOperation filter = query.And().GroupedOr(new string[] { "offerArea" }, areaValues.ToArray());
    query = filter;
}

var results = searcher.Search(query.Compile());
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  • Bjarne Fyrstenborg 1285 posts 4039 karma points MVP 8x c-trib
    Mar 27, 2017 @ 16:17
    Bjarne Fyrstenborg
    1

    Do you know if it is possible to combine MultipleCharacterWildcard and Fuzzy?

    For example:

    IBooleanOperation filter = query.And().GroupedOr(fieldsToSearch, keywords.Select(t => t.MultipleCharacterWildcard().Value.Fuzzy()).ToArray());

    but it only seems to use fuzzy and a keyword - and not matching start of a word.

    A similar thread here: https://our.umbraco.org/forum/developers/api-questions/37433-MultipleCharacterWildcard-and-Boost-at-the-same-time-Examine

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  • Sven Geusens 169 posts 881 karma points c-trib
    Mar 28, 2017 @ 08:02
    Sven Geusens
    0

    I have tried this myself a while ago but I didn't get it to work either.

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