Gets or sets the Alias assigned to this set.

Indicates that the node can be reduced to a simpler node. If this returns true, Reduce() can be called to produce the reduced form.

Gets or sets the AliasContainer which contains the aliases inside this direct set which are reachable only INSIDE this set. If null, it has no aliases directly inside this set, it can be the source might have contained aliases.

Gets or sets the aggregate function this expression represents.

Gets or sets the function argument expression. Can be null.

Gets or sets a value indicating whether this instance is extraction locked, which means a where/orderby extractor won't touch it.

Gets the node type of this Expression.

Flag which is set if this set requires a projection to be usable. This flag is later on used to determine if a projection has to be injected into the processing result of this set if there's none defined (true), or not (false). Default is false;

Gets or sets the source expression of the select

Gets the static type of the expression that this Expression represents.