Subject: Re: Loading table with indexed jsonb field is stalling
To: Will Hartung <willhartung@gmail.com>
Cc: pgsql-general@lists.postgresql.org
References: 
 <CAKMEDdxE95SC76wadMzrH454HpvCV4tOdEmuZRO=pwArEw6YVg@mail.gmail.com>
 <20505.1558202555@sss.pgh.pa.us>
 <90835D2B-1FBA-4F26-8157-7C831C24B266@gmail.com>
 <cdc049f0-1980-f5a8-726a-629345b41ef0@aklaver.com>
 <3A35A039-D8F5-4B40-9B41-42E70BEF2C2E@gmail.com>
 <806d4915-f05d-8e75-0a42-e11b48596ab5@gmail.com>
 <12E9FEDD-37E9-4D51-9BA7-94FF5039BB1B@gmail.com>
 <563e995f-d7b1-7e2f-c1f1-b00db7a18589@gmail.com>
 <3EF519CA-17FE-4B68-8B7A-78200E0A408F@gmail.com>
 <71e50367-2375-86a8-f795-97c894728998@gmail.com>
 <3CC10064-7BF0-4600-BC67-8B6F412C9CDC@gmail.com>
 <0a8876b8-f4de-4bc2-72c8-afe5dfe6fde2@gmail.com>
 <C3D03C39-1AFD-40BA-B4A4-4D6C483A1699@gmail.com>
From: Ron <ronljohnsonjr@gmail.com>
Message-ID: <792059f6-9815-03c2-5ccd-9d21c61925b6@gmail.com>
Date: Mon, 20 May 2019 19:54:27 -0500
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.6.1
MIME-Version: 1.0
In-Reply-To: <C3D03C39-1AFD-40BA-B4A4-4D6C483A1699@gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Content-Language: en-US
Precedence: bulk

On 5/20/19 7:21 PM, Will Hartung wrote:
>> On May 20, 2019, at 5:15 PM, Ron <ronljohnsonjr@gmail.com> wrote:
>>
>> Are there a sufficiently small number of elements in each traits object that you can do something like this, on the UNINDEXED table?
>> SELECT traits->element1, traits->element2, count(*)
>> from eis_entry
>> group by traits->element1, traits->element2;
>>
>> Sure it would run for a long time, but might show you where the problem lies.
> I don’t quite understand what you’re trying to achieve here. Is the intent essentially to access each individual element within the json on the select statement? There’s at least 50 elements in this thing,

Like I said earlier... "Are there a sufficiently small number of elements in 
each traits object...?"  But obviously there aren't.

-- 
Angular momentum makes the world go 'round.