On 22/05/19 4:28 PM, Lev Kokotov wrote:
> Is it efficient to use Postgres as a column store by creating one
> table per column?
>
> I would query it with something like `[...] UNION SELECT value AS
> <table> FROM <table> WHERE value = <value> UNION [...]` to build a row.
>
> I'm thinking since Postgres stores tables in continuous blocks of 16MB
> each (I think that's the default page size?) I would get efficient
> reads and with parallel queries I could benefit from multiple cores.
>
>
Take a look at Zedstore, which is a column store built to plug into v12
storage layer:
https://www.postgresql.org/message-id/CALfoeiuF-m5jg51mJUPm5GN8u396o5sA2AF5N97vTRAEDYac7w%40mail.gmail.com
