A Solr client written in Go.
This client is geared towards supporting a web user interface that queries and filters via facets. This package provides a lot of the functionality to know what facets the user is filtering on and allow the user interface to add and remove more facets to the existing search.
Project https://github.com/hectorcorrea/solrdora is an example of a complete web application using this package.
solr.go: the main entry point, functionsGet()andSearch()are defined here.getParams.go: parameter for theGet()function.searchParams.go: parameter for theSearch()function.searchResponse.go: the object used to represent the results of aSearch()filterQueries.go: represent thefqvalues passed to Solr.document.go: represents a document retrieved from Solr viaSearch()orGet().
Search for documents
q := "title:\"one two three\""
solr := solr.New("http://localhost:8983/solr/your-core")
results, err := solr.SearchText(q)
log.Printf("Documents found: %d", results.NumFound)
for i, doc := range results.Documents {
log.Printf("%d %v", i, doc)
}
Get one Solr document by ID
q := "id:123"
fl := []string{}
options := map[string]string{}
params := NewGetParams(q, fl, options)
solr := solr.New("http://localhost:8983/solr/your-core")
doc, err := solr.Get(params)
log.Printf("%v", doc)
Search for documents customizing list of fields to retrieve, facets, and other parameters.
# In a web app qs will be req.URL.Query() where req is
# the *http.Request that you get in your HTTP handler.
qs := url.Values{
"q": []string{"title:\"one two\""},
"fq": []string{"subject|Geography"},
}
options := map[string]string{
"defType": "edismax",
}
facets := map[string]string{
"publisher": "Publisher name",
"subject_str": "Subject",
}
params := NewSearchParamsFromQs(qs, options, facets)
params.Fl = []string{"id", "title", "authorsAll", "_version_"}
solr := solr.New("http://localhost:8983/solr/your-core")
results, err := solr.Search(params)
log.Printf("Documents found: %d", results.NumFound)
for i, doc := range results.Documents {
log.Printf("%d %v", i, doc)
}
A full-blow example using this library can be found in the SolrDora repo.
The GoDoc documentation for this package can be found here
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