On Tue, Dec 10, 2019 at 11:43 AM Guillaume Lelarge <guilla...@lelarge.info> wrote:
This query uses the column statistics to estimate bloat. AFAIK, json > columns don't have statistics, so the estimation can't be relied on (for > this specific table at least). > This was true prior to 9.5 (for xml at least, I don't know about json), but should not be true from that release onward. But still the difference between 74440704 and 74506240, this does seem to me to be straining at a gnat to swallow a camel. Cheers, Jeff