On Mon, 18 Feb 2008, Bruce Momjian wrote:

Juho Saarikko wrote:
While I didn't test, I'd imagine that this would also mean that any attempt
to insert such values to an already unique column would fail.

Works here in 8.3:

        test=> insert into test values (repeat('a', 50000) || 'b');


This only works because it gets toasted before being put in the index. Since you've selected something real compressible, you can fit 50k chars into it.

Kris Jurka

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