Alex Pilosov <[EMAIL PROTECTED]> writes:
> True true. On other hand, unlike union, its automatically typechecked, you
> cannot by mistake reference a field you shouldn't be referencing.

Only true to the extent that you have cast a generic pointer to the
correct type to begin with.  However, we've probably wasted more time
arguing the point than it's really worth.

I would suggest leaving off the final semicolon in the macro definition
so that you can write

typedef struct RangeTblEntryRelation
{
    RTE_COMMON_FIELDS;
    /* Fields valid for a plain relation RTE */
    char       *relname;        /* real name of the relation */
    Oid         relid;          /* OID of the relation */

Without this, tools like pgindent will almost certainly mess up these
struct declarations (I know emacs' C mode will get it wrong...)

                        regards, tom lane

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