public IList <DatabaseView> Execute(CancellationToken ct)
{
if (ct.IsCancellationRequested)
{
return(new List <DatabaseView>());
}
RaiseReadingProgress(SchemaObjectType.Views);
var views = _readerAdapter.Views(null);
if (ct.IsCancellationRequested)
{
return(views);
}
ReaderEventArgs.RaiseEvent(ReaderProgress, this, ProgressType.Processing, SchemaObjectType.Views);
var viewFilter = _exclusions.ViewFilter;
if (viewFilter != null)
{
views = views.Where(t => !viewFilter.Exclude(t.Name)).ToList();
}
if (ct.IsCancellationRequested)
{
return(views);
}
var sources = _readerAdapter.ViewSources(null);
if (sources.Count > 0)
{
foreach (var view in views)
{
var owner = view.SchemaOwner;
var name = view.Name;
var src = sources.FirstOrDefault(x => x.Name == name && x.SchemaOwner == owner);
if (src != null)
{
view.Sql = src.Text;
}
}
}
//get full datatables for all tables, to minimize database calls
if (ct.IsCancellationRequested)
{
return(views);
}
RaiseReadingProgress(SchemaObjectType.ViewColumns);
var viewColumns = _readerAdapter.ViewColumns(null);
var count = views.Count;
for (var index = 0; index < count; index++)
{
if (ct.IsCancellationRequested)
{
return(views);
}
DatabaseView v = views[index];
ReaderEventArgs.RaiseEvent(ReaderProgress, this, ProgressType.Processing, SchemaObjectType.ViewColumns, v.Name, index, count);
IEnumerable <DatabaseColumn> cols;
if (viewColumns.Count == 0)
{
cols = _readerAdapter.ViewColumns(v.Name);
}
else
{
cols = viewColumns.Where(x => x.TableName == v.Name && x.SchemaOwner == v.SchemaOwner);
}
v.Columns.AddRange(cols);
}
return(views);
}