PostgreSQL: Jsonb has committed

Re:PostgreSQL: Jsonb has committed by twic on Monday March 24, 2014 @02:56PM (#7460477)

What does this binary format actually look like on disk? Is this documented anywhere other than in the code that reads and writes it?

I do remember a description of it in some slides a few months back, but i can't find them now.

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Re:PostgreSQL: Jsonb has committed by rch on Monday March 24, 2014 @03:16PM (#7460654)

Maybe this is what you are looking for:

How the ideas migrated from hstore to jsonb is briefly described here:

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Re:PostgreSQL: Jsonb has committed by twic on Monday March 24, 2014 @05:21PM (#7461605)

Yes, that's it, thanks!

I suppose the definitive description of the format is the function JsonbToCString, which is what writes the in-memory structures out as bytes:

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