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Remove support for Python older than 2.6

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Supporting very old Python versions is a maintenance burden,
especially with the several variant test files to maintain for Python
<2.6.

Since we have dropped support for older OpenSSL versions in
7b283d0e1d1d79bf1c962d790c94d2a53f3bb38a, RHEL 5 is now effectively
desupported, and that was also the only mainstream operating system
still using Python versions before 2.6, so it's a good time to drop
those as well.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/98b69261-298c-13d2-f34d-836fd9c29b21%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2020-01-08 21:48:44 +01:00
parent f5d28710c7
commit 37f21ed132
12 changed files with 7 additions and 1503 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/pl/plpython/sql/plpython_subtransaction.sql
View File

@ -8,43 +8,6 @@ CREATE TABLE subtransaction_tbl (
i integer
);
-- Explicit case for Python <2.6
CREATE FUNCTION subtransaction_test(what_error text = NULL) RETURNS text
AS $$
import sys
subxact = plpy.subtransaction()
subxact.__enter__()
exc = True
try:
try:
plpy.execute("INSERT INTO subtransaction_tbl VALUES (1)")
plpy.execute("INSERT INTO subtransaction_tbl VALUES (2)")
if what_error == "SPI":
plpy.execute("INSERT INTO subtransaction_tbl VALUES ('oops')")
elif what_error == "Python":
raise Exception("Python exception")
except:
exc = False
subxact.__exit__(*sys.exc_info())
raise
finally:
if exc:
subxact.__exit__(None, None, None)
$$ LANGUAGE plpythonu;
SELECT subtransaction_test();
SELECT * FROM subtransaction_tbl;
TRUNCATE subtransaction_tbl;
SELECT subtransaction_test('SPI');
SELECT * FROM subtransaction_tbl;
TRUNCATE subtransaction_tbl;
SELECT subtransaction_test('Python');
SELECT * FROM subtransaction_tbl;
TRUNCATE subtransaction_tbl;
-- Context manager case for Python >=2.6
CREATE FUNCTION subtransaction_ctx_test(what_error text = NULL) RETURNS text
AS $$
with plpy.subtransaction():