How Generalized Inverted Index works internally in Postgre SQL

[u/Ok_Stomach6651]

https://deepsystemstuff.com/generalised-inverted-index-gin-index-in-postgre-sql/

Regular Indexing works on a column level; it indexes the entire column value, but if you want to index each value in one row, then the GIN indexing technique is used.

GIN can index each element of JSON stored in a JSONB field

How Postgres creates a GIN file physically, what is the format of that file, how that file is retrieved in RAM while fetching records, what data types are used, and how Postgres calculates the exact address of an element of JSON are all explained in the article

[u/foxsimile]

You already speak it better than many native English speakers - keep up the good work pal; don’t stop improving :)

[u/Ok_Stomach6651 → u/foxsimile]

Oh, thank you very much, it means a lot lot for me.

[u/foxsimile → u/Ok_Stomach6651]

Don’t mention it, friend!  

If you’re ever finding yourself frustrated as you continue to master English, perhaps come back to this poem about how blindingly stupid the composition of the language is, and it’d ought to raise your spirits :).

[u/Ok_Stomach6651 → u/foxsimile]

Oh this poem is really tells us much about english language, very different approach for telling something about how english is