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    Migration: How to Migrate Highlighting from 3.x

    Highlighting functionality has been merged into RQL. Following minor and cosmetic changes have been introduced.

    Namespaces

    3.x 
    using Raven.Client;
using Raven.Client.Document;
    4.0 
    using Raven.Client.Documents;
using Raven.Client.Documents.Queries.Highlighting;

    Example I

    3.x 
    SearchItem[] results = session
    .Query<SearchItem>("ContentSearchIndex")
    .Customize(x => x.Highlight("Text", 128, 1, out FieldHighlightings highlightings))
    .Search(x => x.Text, "raven")
    .ToArray();
    4.0 
    List<SearchItem> results = session
    .Query<SearchItem, ContentSearchIndex>()
    .Highlight(x => x.Text, 128, 1, out Highlightings highlightings)
    .Search(x => x.Text, "raven")
    .ToList();
    List<SearchItem> results = session
    .Advanced
    .DocumentQuery<SearchItem, ContentSearchIndex>()
    .Highlight(x => x.Text, 128, 1, out Highlightings highlightings)
    .Search(x => x.Text, "raven")
    .ToList();

    Example II

    3.x 
    SearchItem[] results = session
    .Query<SearchItem>("ContentSearchIndex")
    .Customize(x => x.Highlight("Text", 128, 1, out FieldHighlightings highlightings))
    .SetHighlighterTags("**", "**")
    .Search(x => x.Text, "raven")
    .ToArray();
    4.0 
    List<SearchItem> results = session
    .Query<SearchItem, ContentSearchIndex>()
    .Highlight(x => x.Text, 128, 1, new HighlightingOptions
    {
        PreTags = new[] { "**" },
        PostTags = new[] { "**" }
    }, out Highlightings highlightings)
    .Search(x => x.Text, "raven")
    .ToList();
    List<SearchItem> results = session
    .Advanced
    .DocumentQuery<SearchItem, ContentSearchIndex>()
    .Highlight(x => x.Text, 128, 1, new HighlightingOptions
    {
        PreTags = new[] { "**" },
        PostTags = new[] { "**" }
    }, out Highlightings highlightings)
    .Search(x => x.Text, "raven")
    .ToList();

    Remarks

    Information

    You can read more about Highlighting in our dedicated Client API article or our Querying article.

    see on GitHub
    Home / Docs / Migration / Client Api / Session / Querying / Highlighting

    Do you need any help with Migration?

    Yes, contact support