I wrote:
> In the cases where that's sensible, you can use constraint syntax, no?
> I really doubt that it's that easy to pick a sensible name for an index
> on an expression, for example.
Although, having said that, I realize we just opened that can of worms
with the exclusion-constraint patch:
regression=# create table foo (f1 text, exclude (lower(f1) with =));
NOTICE: CREATE TABLE / EXCLUDE will create implicit index "foo_exclusion" for
table "foo"
CREATE TABLE
The above behavior seems to need improvement already.
regards, tom lane
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