Re: Create and access a dictionary type

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.

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