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Table function support for PL/Python

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This allows functions with multiple OUT parameters returning both one
or multiple records (RECORD or SETOF RECORD).

Jan Urbański, reviewed by Hitoshi Harada
This commit is contained in:
Peter Eisentraut
2011-02-26 16:53:11 +02:00
parent 772dcfe7c0
commit bc411f25c1
9 changed files with 748 additions and 51 deletions
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14
src/pl/plpython/expected/plpython_record.out
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@ -42,12 +42,10 @@ $$ LANGUAGE plpythonu;
CREATE FUNCTION test_in_out_params(first in text, second out text) AS $$
return first + '_in_to_out';
$$ LANGUAGE plpythonu;
-- this doesn't work yet :-(
CREATE FUNCTION test_in_out_params_multi(first in text,
second out text, third out text) AS $$
return first + '_record_in_to_out';
return (first + '_record_in_to_out_1', first + '_record_in_to_out_2');
$$ LANGUAGE plpythonu;
ERROR: PL/Python functions cannot return type record
CREATE FUNCTION test_inout_params(first inout text) AS $$
return first + '_inout';
$$ LANGUAGE plpythonu;
@ -298,12 +296,12 @@ SELECT * FROM test_in_out_params('test_in');
test_in_in_to_out
(1 row)
-- this doesn't work yet :-(
SELECT * FROM test_in_out_params_multi('test_in');
ERROR: function test_in_out_params_multi(unknown) does not exist
LINE 1: SELECT * FROM test_in_out_params_multi('test_in');
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
second | third
----------------------------+----------------------------
test_in_record_in_to_out_1 | test_in_record_in_to_out_2
(1 row)
SELECT * FROM test_inout_params('test_in');
first
---------------