Re: Create and access a dictionary type - Mailing list pgsql-general

From Ron
Subject Re: Create and access a dictionary type
Date
Msg-id 71d93298-b172-9474-f3ff-96293a7f1524@gmail.com
Whole thread Raw
In response to Re: Create and access a dictionary type  (Tomas Vondra <tomas.vondra@enterprisedb.com>)
Responses Re: Create and access a dictionary type  (Rob Sargent <robjsargent@gmail.com>)
List pgsql-general
On 1/5/22 10:35 AM, Tomas Vondra wrote:
> On 1/5/22 17:24, Ron wrote:
>> On 1/5/22 7:22 AM, Tomas Vondra wrote:
>>> On 1/5/22 14:17, Shaozhong SHI wrote:
>>>> Any examples in Postgres to create a dictionary type to store and 
>>>> access key value pairs?
>>>>
>>>
>>> I'd say JSONB can be used as an associative array, and e.g. in Python 
>>> can map to dict data type.
>>
>> The question confuses me.  Why isn't "create a table with Primary Key" 
>> the answer to "Any examples in Postgres to create a dictionary type to 
>> store and access key value pairs?"
>>
>
> Well, yes - you can always decompose the dict and store it in an EAV, but 
> sometimes it's more convenient to just use "nested" dictionary at the row 
> level. Which is what a JSONB column does.

Edgar Codd is rolling in his grave.


-- 
Angular momentum makes the world go 'round.



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