protected virtual void OnFieldDeleted(EventArgs e)
{
WriteLine(5, "Field Deleted");
FieldDeleted?.Invoke(this, e);
}
public void DeleteIndexes()
{
var deleteIndexes = new List <IIndexInfo>();
foreach (var node in Indexes.Values)
{
bool used = false;
foreach (var reverseEdge in node.ReverseEdges)
{
var sourceNode = reverseEdge.Source;
foreach (var forwardEdge in sourceNode.Edges)
{
if (forwardEdge.Target == node && forwardEdge.Traversed)
{
used = true;
break;
}
}
if (used)
{
break;
}
}
if (!used)
{
deleteIndexes.Add(node.Index);
}
}
var deleteFields = new List <IFieldInfo>();
foreach (var node in Fields.Values)
{
bool used = false;
foreach (var reverseEdge in node.ReverseEdges)
{
var sourceNode = reverseEdge.Source;
foreach (var forwardEdge in sourceNode.Edges)
{
if (forwardEdge.Target == node && forwardEdge.Traversed)
{
used = true;
break;
}
}
if (used)
{
break;
}
}
if (!used && node.Field.Tag != "%0")
{
deleteFields.Add(node.Field);
}
}
var updateDatabases = new List <IAdlibDatabaseInfo>();
foreach (var indexInfo in deleteIndexes)
{
var databaseInfo = indexInfo.DatabaseInfo;
using (DatabaseEngine databaseEngine = (DatabaseEngine)OpenDatabase(databaseInfo.PhysicalPath))
{
databaseInfo.IndexList.Remove(indexInfo);
databaseEngine.DeleteIndexTable(indexInfo);
if (!updateDatabases.Contains(databaseInfo))
{
updateDatabases.Add(databaseInfo);
}
IndexDeleted?.Invoke(this, new IndexDeletedEventArgs(indexInfo.TableName));
}
}
foreach (var fieldInfo in deleteFields)
{
var databaseInfo = (DatabaseInfo)fieldInfo.DatabaseInfo;
databaseInfo.Delete(fieldInfo);
if (!updateDatabases.Contains(databaseInfo))
{
updateDatabases.Add(databaseInfo);
}
FieldDeleted?.Invoke(this, new FieldDeletedEventArgs(fieldInfo.Name));
}
foreach (var databaseInfo in updateDatabases)
{
databaseInfo.Save();
}
}