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PL/Python explicit subtransactions

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Adds a context manager, obtainable by plpy.subtransaction(), to run a
group of statements in a subtransaction.

Jan Urbański, reviewed by Steve Singer, additional scribbling by me
This commit is contained in:
Peter Eisentraut
2011-02-27 17:09:56 +02:00
parent 438cdf6e48
commit 22690719ea
8 changed files with 1404 additions and 8 deletions
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6
src/pl/plpython/expected/plpython_test.out
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@ -43,9 +43,9 @@ contents.sort()
return ", ".join(contents)
$$ LANGUAGE plpythonu;
select module_contents();
module_contents
---------------------------------------------------------------------------------------------------------------------------------------
Error, Fatal, SPIError, debug, error, execute, fatal, info, log, notice, prepare, quote_ident, quote_literal, quote_nullable, warning
module_contents
-------------------------------------------------------------------------------------------------------------------------------------------------------
Error, Fatal, SPIError, debug, error, execute, fatal, info, log, notice, prepare, quote_ident, quote_literal, quote_nullable, subtransaction, warning
(1 row)
CREATE FUNCTION elog_test() RETURNS void