On Sat, Jan 20, 2024 at 12:59 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > > James Coleman <jtc...@gmail.com> writes: > > I do wonder if it's plausible (and sufficiently easy) to improve the > > error message here. "column 'foo' of relation 'foo'" makes one thing > > that you've written foo.foo, (in my real-world case the error message > > also cut off the sql past "foo.", and so I couldn't even tell if the > > sql was just malformed). At the very least it'd be nice to have a HINT > > here (perhaps just when the relation and column name match). > > > Before I look at where it is, Is such an improvement something we'd be > > interested in? > > A HINT if the bogus column name (1) matches the relation name and > (2) is field-qualified seems plausible to me. Then it's pretty > likely to be a user misunderstanding about whether to write the > relation name.
Attached is a patch to do just that. We could also add tests for regular UPDATEs if you think that's useful. Regards, James Coleman
v1-0001-Helpful-hint-for-qualified-target-column-in-UPDAT.patch
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