private void ConvertExpressionConstantsNotation(SQLExpressionItem expression)
{
Debug.Assert(expression != null);
List <AstNodeBase> astNodes = new List <AstNodeBase>();
// get all children (and grand[grand...]children) AST nodes as a flat list
expression.GetMyChildrenRecursive(astNodes);
// add expression node itself to AST nodes list
// (to check is the given expression is constant itself)
astNodes.Add(expression);
// remove all items from the list except TSQLExpressionConstant
for (int i = astNodes.Count - 1; i >= 0; i--)
{
if (!(astNodes[i] is SQLExpressionConstant))
{
astNodes.RemoveAt(i);
}
}
// for each item in the list
for (int i = 0; i < astNodes.Count; i++)
{
ConvertConstantNotation((SQLExpressionConstant)astNodes[i]);
}
}
