laurenz.a...@wien.gv.at writes:
> dumpme=# CREATE LANGUAGE mylang HANDLER plpgsql_call_handler INLINE
> plpgsql_inline_handler VALIDATOR plpgsql_validator;
I don't think this is a particularly interesting use-case. The reason
it doesn't work for you is that it's depending on support functions
that are in pg_catalog, and as the comment in pg_dump.c says:
/*
* Try to find the support function(s). It is not an error if we don't
* find them --- if the functions are in the pg_catalog schema, as is
* standard in 8.1 and up, then we won't have loaded them. (In this case
* we will emit a parameterless CREATE LANGUAGE command, which will
* require PL template knowledge in the backend to reload.)
*/
An actual add-on procedural language would not fall foul of this.
regards, tom lane
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