Hi, I propose to introduce `pg_creating_extension()` function that would return the OID of the extension being currently created (or `null` if none is).
The core motivation for it is to be able to establish data provenance in tables created by extensions to be used in `pg_extension_config_dump` configuration. This way, even if a secondary extension inserts data, it can still be excluded from the dump by tracking data provenance in a column with a default. Something like ``` create table my_config ( --- ... extension_provenance oid default pg_creating_extension() ) ``` This would allow for a generalized exclusion in pg_extension_config_dump. I've attached a draft patch for this simple function. I am happy to finalize it with tests and documentation if there is a consensus on the shape. -- Founder at Omnigres https://omnigres.com
v1-0001-pg_creating_extension-to-inspect-if-an-extension-is-.patch
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