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plpython security and error handling fixes, from

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Kevin Jacobs and Brad McLean.
This commit is contained in:
Tom Lane
2001-11-16 18:04:31 +00:00
parent b0df7a60f2
commit 1ca717f377
4 changed files with 271 additions and 56 deletions
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37
src/pl/plpython/plpython_function.sql
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@ -257,6 +257,12 @@ if len(rv):
return None
'
LANGUAGE 'plpython';
/* Flat out syntax error
*/
CREATE FUNCTION sql_syntax_error() RETURNS text
AS
'plpy.execute("syntax error")'
LANGUAGE 'plpython';
/* check the handling of uncaught python exceptions
*/
@ -287,5 +293,36 @@ return seq
'
LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION read_file(text) RETURNS text AS '
return open(args[0]).read()
' LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION write_file(text,text) RETURNS text AS '
open(args[0],"w").write(args[1])
' LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION getpid() RETURNS int4 AS '
import os
return os.getpid()
' LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION uname() RETURNS int4 AS '
import os
return os.uname()
' LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION sys_exit() RETURNS text AS '
import sys
return sys.exit()
' LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION sys_argv() RETURNS text AS '
import sys
return str(sys.argv)
' LANGUAGE 'plpython';
CREATE OR REPLACE FUNCTION sys_version() RETURNS text AS '
import sys
return str(sys.version)
' LANGUAGE 'plpython';