public IEnumerable<SearchResult> Query(String query)
{
var results = new List<SearchResult>();
if (String.IsNullOrWhiteSpace(query))
return results;
var tokens = query.Split(' ');
var builder = new SqlBuilder();
var selector = builder.AddTemplate("select * from TextIndex /**where**/");
foreach (var token in tokens)
{
builder.WhereAny("Token = @tkn", new { tkn = token });
}
using (var conn = new SqlConnection(_connectionString))
{
conn.Open();
var sqlResults = conn.Query(selector.RawSql, selector.Parameters);
var grouped = sqlResults.GroupBy(r => (String)r.SourceFile, r => (Int32)r.Occurances);
foreach (var group in grouped)
{
results.Add(new SearchResult
{
FileName = group.Key,
Relevance = group.Sum(g => g)
});
}
}
return results;
}