private static FilterTree createDefaultExpression(string property, int exprType, int opType, int constType, string constant)
{
SQLTree root = new SQLTree(exprType);
SQLTree op = new SQLTree(opType);
SQLTree id = new SQLTree(new CommonToken(SQLFilterLexer.ID, property));
SQLTree constNode = new SQLTree(new CommonToken(constType, constant));
op.AddChild(id);
op.AddChild(constNode);
root.AddChild(op);
constNode.MarkAsDirty();
id.IsDirty = true;
root.IsLeaf = true;
return(root);
}
private static SQLTree createDefaultStringExpression(string property)
{
SQLTree root = new SQLTree(SQLFilterLexer.STRING_EXPR);
StringTree op = new StringTree(StringPatternLexer.IS);
SQLTree id = new SQLTree(new CommonToken(SQLFilterLexer.ID, property));
StringTree constant = new StringTree(new CommonToken(StringPatternLexer.TEXT, ""));
op.AddChild(id);
op.AddChild(constant);
root.AddChild(op);
constant.MarkAsDirty();
id.IsDirty = true;
root.IsLeaf = true;
return(root);
}