/// <summary>
/// 添加索引
/// </summary>
/// <param name="IdxOpt"></param>
/// <param name="option"></param>
/// <param name="currentCollection"></param>
/// <returns></returns>
public static bool CreateMongoIndex(IndexOption IdxOpt,
IndexOptionsBuilder option, MongoCollection currentCollection, ref string errorMessage)
{
var mongoCol = currentCollection;
var indexkeys = new IndexKeysBuilder();
if (!string.IsNullOrEmpty(IdxOpt.GeoSpatialHaystackKey))
{
indexkeys.GeoSpatialHaystack(IdxOpt.GeoSpatialHaystackKey);
}
if (!string.IsNullOrEmpty(IdxOpt.GeoSpatialKey))
{
indexkeys.GeoSpatial(IdxOpt.GeoSpatialKey);
}
if (!string.IsNullOrEmpty(IdxOpt.GeoSpatialSphericalKey))
{
indexkeys.GeoSpatialSpherical(IdxOpt.GeoSpatialSphericalKey);
}
indexkeys.Ascending(IdxOpt.AscendingKey.ToArray());
indexkeys.Descending(IdxOpt.DescendingKey.ToArray());
indexkeys.Text(IdxOpt.TextKey.ToArray());
//CreateIndex失败的时候会出现异常！
try
{
var result = mongoCol.CreateIndex(indexkeys, option);
return(result.Response.GetElement("ok").Value.AsInt32 == 1);
}
catch (Exception ex)
{
errorMessage = ex.ToString();
return(false);
}
}
public MongoIndexKeysWarpper Text(params string[] names)
{
if (MongoIndexKeys == null)
{
MongoIndexKeys = IndexKeys.Text(names);
}
else
{
MongoIndexKeys = MongoIndexKeys.Text(names);
}
return(this);
}
/// <summary>
/// 设置Text索引
/// </summary>
/// <param name="collectionName"></param>
/// <param name="FieldName"></param>
/// <param name="database"></param>
public static void SetTextIndex(string collectionName, string FieldName, string database = "")
{
if (string.IsNullOrEmpty(database))
{
database = _defaultDatabaseName;
}
MongoCollection col = GetDatabaseByType(database).GetCollection(collectionName);
if (col.IndexExistsByName(FieldName))
{
return;
}
var option = new IndexOptionsBuilder();
option.SetName(FieldName);
var indexkeys = new IndexKeysBuilder();
indexkeys.Text(new string[] { FieldName });
col.CreateIndex(indexkeys, option);
}