/// <summary>
/// Imports environment data from the specified dataset. Prior to call, you should
/// first call <see cref="RemoveAll"/>.
/// </summary>
/// <param name="server">The server holding the data</param>
/// <param name="ds">The dataset to import</param>
public void Import(IDataServer server, BacksightDataSet ds)
{
using (IConnection ic = server.GetConnection())
{
SqlConnection c = ic.Value;
foreach (DataTable dt in ds.Tables)
{
if (dt.Rows.Count > 0)
{
SqlBulkCopy bc = new SqlBulkCopy(c);
string tableName = "[ced].[" + GetTableName(dt) + "]";
bc.DestinationTableName = tableName;
bc.BatchSize = dt.Rows.Count;
bc.WriteToServer(dt);
}
}
}
}
/// <summary>
/// Attaches miscellaneous attribute data to the features that have been loaded.
/// </summary>
/// <param name="keyIds">Index of the IDs to look for (indexed by formatted key)</param>
/// <returns>The number of rows that were found (-1 if no database tables have
/// been associated with Backsight)</returns>
static int Load(Dictionary <string, FeatureId> keyIds)
{
// Locate information about the tables associated with Backsight
ITable[] tables = EnvironmentContainer.Current.Tables;
if (tables.Length == 0)
{
return(-1);
}
IDataServer ds = EditingController.Current.DataServer;
if (ds == null)
{
return(-1);
}
// Copy the required keys into a temp table
Trace.WriteLine(String.Format("Locating attributes for {0} feature IDs in {1} tables", keyIds.Count, tables.Length));
int nFound = 0;
ds.RunTransaction(delegate
{
IConnection ic = ds.GetConnection();
const string KEYS_TABLE_NAME = "#Ids";
CopyKeysToTable(ic, keyIds, KEYS_TABLE_NAME);
foreach (ITable t in tables)
{
string sql = String.Format("SELECT * FROM {0} WHERE [{1}] IN (SELECT [FeatureId] FROM [{2}])",
t.TableName, t.IdColumnName, KEYS_TABLE_NAME);
DataTable tab = ds.ExecuteSelect(sql);
tab.TableName = t.TableName;
int featureIdIndex = tab.Columns[t.IdColumnName].Ordinal;
Debug.Assert(featureIdIndex >= 0);
foreach (DataRow row in tab.Select())
{
string key = row[featureIdIndex].ToString().TrimEnd();
FeatureId fid;
if (keyIds.TryGetValue(key, out fid))
{
// Don't create a row if the ID is already associated with the
// table (this is meant to cover situations where the edit has actively
// formed the attributes, and is calling this method only to cover the
// fact that further attributes may be involved).
if (!fid.RefersToTable(t))
{
Row r = new Row(fid, t, row);
nFound++;
}
}
else
{
string msg = String.Format("Cannot find '{0}' in dictionary", key);
throw new Exception(msg);
}
}
}
});
return(nFound);
}
