> 	o Allow PL/PgSQL to support array element assignment

source tree.

a qualification clause (and hence can get away with being sloppy about
distinguishing FALSE from UNKNOWN).  We need to know this in subselect.c;
marking the subplans in setrefs.c is too late.

even when cast functions are allowed to be volatile.

HAVING quals.  Normally this is an insignificant effect --- but it
will not be insignificant when these clauses contain sub-selects.
The added costs cannot affect the planning of the query containing
them, but they might have an impact when the query is a sub-query
of a larger one.

SubPlan nodes, else explaining queries containing sublinks may fail.

costs for expression evaluation, not only per-tuple cost as before.
This extension is needed in order to deal realistically with hashed or
materialized sub-selects.

ExecAssignResultTypeFromTL().

more to be done yet, but this is a good start.

supported.

direction on HP-UX; our former approach has been obsolete since HPUX 9.

Giles Lean

>
> I'd suggest that the runtime.sgml description explicitly say "values of
> at least a few thousand are recommended for production installations".

Neil Conway

Manfred Koizar

RELEASE_CHANGES.

Manfred Koizar

SET_TRANSACTION.

shared by nodeGroup, nodeAgg, and soon nodeSubplan.

command with arguments.

Simplify SubLink by storing just a List of operator OIDs, instead of
a list of incomplete OpExprs --- that was a bizarre and bulky choice,
with no redeeming social value since we have to build new OpExprs
anyway when forming the plan tree.

Currently, only RESTRICT is allowed.

'NOT (x IN (subselect))', that is 'NOT (x = ANY (subselect))',
rather than 'x <> ALL (subselect)' as we formerly did.  This
opens the door to optimizing NOT IN the same way as IN, whereas
there's no hope of optimizing the expression using <>.  Also,
convert 'x <> ALL (subselect)' to the NOT(IN) style, so that
the optimization will be available when processing rules dumped
by older Postgres versions.
initdb forced due to small change in SubLink node representation.

by having to include miscadmin.h into other header files.

interfaces.