bob mcwhirter
Mon, 27 May 2002 07:16:58 -0700
Actually, AssignmentNodes are never JoinNodes. But, things that
look like assignment statements may result in either an AssignmentNode
or a JoinNode.
Just to clarify.
-bob
On Mon, 27 May 2002, bob mcwhirter wrote:
>
> AssignmentNodes are *sometimes* the column-generator nodes.
>
> name = person.getName()
>
> That takes a table with only a 'person' column, and it generates a
> matching 'name' column, populated with the name of the person.
>
> AssignmentNodes are *sometimes* the join-nodes.
>
> name = otherName
>
> Here, the 'name' column from the person/name table is joined to the
> 'otherName' column of some other table.
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