Ruslan A Dautkhanov <[EMAIL PROTECTED]> writes:
> Here's the patch ( http://gppl.terminal.ru/ ), which allow
> PostgreSQL use queries like
> connect by id = prior parent_id
Isn't this the same patch that we rejected a year or two back?
> as described in SQL standard...
AFAIK there is no such syntax in any version of the SQL standard.
The syntax that *is* there in SQL99 uses "WITH" to achieve roughly
the same results, but with much syntactic difference from Oracle.
If you'd like to submit a patch that implements spec-compatible
WITH, I can pass along some preliminary work that Andrew Overholt
did at Red Hat.
regards, tom lane
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