On 20 June 2017 at 03:01, Amit Langote <langote_amit...@lab.ntt.co.jp> wrote:
> Hmm, yes.  The following exercise convinced me.
> create table r (a int) partition by range (a);
> create table r1 partition of r for values from (1) to (10);
> create rule "_RETURN" as on select to r1 do instead select * from r;
> insert into r values (1);
> ERROR:  cannot insert into view "r1"
> HINT:  To enable inserting into the view, provide an INSTEAD OF INSERT
> trigger or an unconditional ON INSERT DO INSTEAD rule.
> The error is emitted by CheckValidResultRel() that is called on individual
> leaf partitions when setting up tuple-routing in ExecInitModifyTable.
> I agree that we should forbid this case, so please find attached a patch.



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