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From: Tim Bunce on 30 Jan 2010 18:16
This is an update to the final plperl patch in the series from me.

Changes in the original patch:

- Moved internal functions out of main:: namespace
into PostgreSQL::InServer and PostgreSQL::InServer::safe

- Restructured Safe compartment setup code
to generalize and separate the data from the logic.

Neither change has any user visible effects.

Additional changes in the second version:

- Further generalized the 'what to load into Safe compartment' logic.

- Added the 'warnings' pragma to the list of modules to load into Safe.
So plperl functions can now "use warnings;" - added test for that.

- Added 'use 5.008001;' to plc_perlboot.pl as a run-time check to
complement the configure-time check added by Tom Lane recently.

Additional changes in this version:

- Rebased over recent HEAD plus "on_trusted_init" patch

- Made plc_safe_ok.pl code idempotent to avoid risk of problems
from repeated initialization attempts e.g. if on_trusted_init code
throws an exception so initialization doesn't complete.

- Fixed 'require strict' to enable 'caller' opcode
(needed for Perl >=5.10)

- Ensure Safe container opmask is restored even if @EvalInSafe code
throws an exception.

- Changed errmsg("didn't get a GLOB ...") to use errmsg_internal().

Tim.
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