Fix error reporting for index expressions of prohibited types.
If CheckAttributeType() threw an error about the datatype of an
index expression column, it would report an empty column name,
which is pretty unhelpful and certainly not the intended behavior.
I (tgl) evidently broke this in commit cfc5008a5, by not noticing
that the column's attname was used above where I'd placed the
assignment of it.
In HEAD and v12, this is trivially fixable by moving up the
assignment of attname. Before v12 the code is a bit more messy;
to avoid doing substantial refactoring, I took the lazy way out
and just put in two copies of the assignment code.
Report and patch by Amit Langote. Back-patch to all supported
branches.
Discussion: https://postgr.es/m/CA+HiwqFA+BGyBFimjiYXXMa2Hc3fcL0+OJOyzUNjhU4NCa_XXw@mail.gmail.com
Branch
------
REL9_6_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/275a8ac4f75ccfa73e0baa7c71ad59f4fe89367c
Modified Files
--------------
src/backend/catalog/index.c | 24 ++++++++++++-------
src/test/regress/expected/create_index.out | 37 ++++++++++++++++++++++++++++++
src/test/regress/sql/create_index.sql | 12 ++++++++++
3 files changed, 65 insertions(+), 8 deletions(-)