Re: Extended Statistics set/restore/clear functions.

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От Corey Huinker
Тема Re: Extended Statistics set/restore/clear functions.
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Msg-id CADkLM=crdyK3w7-EDEdDfXHGidxm2ms+bQYNFOZUD4eOLuLXEQ@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Extended Statistics set/restore/clear functions.  (jian he <jian.universality@gmail.com>)
Ответы Re: Extended Statistics set/restore/clear functions.
Re: Extended Statistics set/restore/clear functions.
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wondering, should we check the value of "degree" is between 0 to 1?

I'm open to it, but there was significant pushback to having tight validity checks on other stats types.

The more things that we make errors, the more chances we have to breaking a dump/restore. Granted, such values should never happen, but odd things do happen.
 

IF the value of ""dependency"
does not meet
``(if (parse->dependency == 0 || parse->dependency < (0-STATS_MAX_DIMENSIONS))``
then error out.
see the attached patch.

Good catch.

Incorporated these patches as well as Yuefei's feedback especially around memory management.

I added a comment debating the feasibility of testing for subsets of attribute sets in pg_dependencies. Basically, I think we can't have the test at all, but I haven't removed it just yet pending consensus.


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