On Wed, Jul 5, 2023 at 12:02 PM Masahiko Sawada <sawada.m...@gmail.com> wrote:
>
> On Wed, Jul 5, 2023 at 2:46 PM Amit Kapila <amit.kapil...@gmail.com> wrote:
> >
> > On Wed, Jul 5, 2023 at 9:01 AM Peter Smith <smithpb2...@gmail.com> wrote:
> > >
> > > Hi. Here are some review comments for this patch.
> > >
> > > +1 for the patch idea.
> > >
> > > ------
> > >
> > > I wasn't sure about the code comment adjustments suggested by Amit [1]:
> > > "Accordingly, the comments atop build_replindex_scan_key(),
> > > FindUsableIndexForReplicaIdentityFull(), IsIndexOnlyOnExpression()
> > > should also be adjusted."
>
> As for IsIndexOnlyOnExpression(), what part do you think we need to
> adjust? It says:
>
> /*
>  * Returns true if the given index consists only of expressions such as:
>  *  CREATE INDEX idx ON table(foo(col));
>  *
>  * Returns false even if there is one column reference:
>  *   CREATE INDEX idx ON table(foo(col), col_2);
>  */
>
> and it seems to me that the function doesn't check if the leftmost
> index column is a non-expression.
>

Right, so, we can leave this as is.

-- 
With Regards,
Amit Kapila.


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