Support for multirange

[danilobuerger]

Coming with postgres 14: https://www.postgresql.org/docs/14/rangetypes.html

Supported:

• [x] int4range
• [x] int8range
• [x] numrange
• [ ] tsrange
• [ ] tstzrange
• [ ] daterange

[VinhVu95]

Hi, I am actually trying to work on this feature - forgive my ignorance since I am new to this library, but how do you find the OID for these multirange types, say nummultirange , can it be assigned to any value?

[jackc]

Look in the pg_type table. e.g. select oid, typname from pg_type;

[danilobuerger]

Support for numeric, int4 and int8 types where added in #148