public void TestGetPathFilterDescendants()
{
var rootNestedQuery = _rootNode[0, 0, 0];
var commonTableExpressions = rootNestedQuery.GetPathFilterDescendants(n => n.Id != NonTerminals.NestedQuery, NonTerminals.CommonTableExpression).ToArray();
commonTableExpressions.Length.ShouldBe(1);
commonTableExpressions = _rootNode.GetDescendants(NonTerminals.CommonTableExpression).ToArray();
commonTableExpressions.Length.ShouldBe(4);
}
protected override void Execute()
{
_columnList = CurrentNode.ParentNode.ChildNodes.SingleOrDefault(n => n.Id == NonTerminals.ParenthesisEnclosedPrefixedIdentifierList);
var existingColumns =
_columnList?.GetDescendants(Terminals.Identifier).Select(n => n.Token.Value.ToQuotedIdentifier())
?? Enumerable.Empty <string>();
_existingColumns = existingColumns.ToHashSet();
ConfigureSettings();
if (!ExecutionContext.SettingsProvider.GetSettings())
{
return;
}
var segmentToReplace = GetSegmentToReplace();
if (!segmentToReplace.Equals(TextSegment.Empty))
{
ExecutionContext.SegmentsToReplace.Add(segmentToReplace);
}
}
