protected override CommandCanExecuteResult CanExecute()
{
if (CurrentNode == null || CurrentQueryBlock == null || CurrentNode.Id != OracleGrammarDescription.Terminals.Identifier)
return false;
_missingColumn = CurrentQueryBlock.AllColumnReferences.SingleOrDefault(c => c.ColumnNode == CurrentNode);
if (_missingColumn == null)
return false;
_table = GetSingleObjectReference(_missingColumn);
return _missingColumn.ColumnNodeColumnReferences.Count == 0 && _missingColumn.ColumnNodeObjectReferences.Count <= 1 &&
_table != null && _table.Type == OracleObjectType.Table;
}
protected override CommandCanExecuteResult CanExecute()
{
if (CurrentNode == null || CurrentQueryBlock == null || CurrentNode.Id != OracleGrammarDescription.Terminals.Identifier)
{
return(false);
}
_missingColumn = CurrentQueryBlock.AllColumnReferences.SingleOrDefault(c => c.ColumnNode == CurrentNode);
if (_missingColumn == null)
{
return(false);
}
_table = GetSingleObjectReference(_missingColumn);
return(_missingColumn.ColumnNodeColumnReferences.Count == 0 && _missingColumn.ColumnNodeObjectReferences.Count <= 1 &&
_table != null && _table.Type == OracleObjectType.Table);
}