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* Remove circular #include's between plpython.h and plpy_util.h.Tom Lane2025-04-27
| | | | | | | | | | | | | | | | | | | | | plpython.h included plpy_util.h, simply on the grounds that "it's easier to just include it everywhere". However, plpy_util.h must include plpython.h, or it won't pass headerscheck. While the resulting circularity doesn't have any immediate bad effect, it's poor design. We have seen serious messes arise in the past from overly-broad inclusion footprints created by such circularities, so let's establish a project policy against it. To fix, just replace *.c files' inclusions of plpython.h with plpy_util.h. They'll pull in plpython.h indirectly; indeed, almost all have already done so via inclusions of other plpy_xxx.h headers. (Any extensions using plpython.h can do likewise without breaking the compatibility of their code with prior Postgres versions.) Reported-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/aAxQ6fcY5QQV1lo3@ip-10-97-1-34.eu-west-3.compute.internal
* Use PG_MODULE_MAGIC_EXT in our installable shared libraries.Tom Lane2025-03-26
| | | | | | | | | | | | | | | | | | It seems potentially useful to label our shared libraries with version information, now that a facility exists for retrieving that. This patch labels them with the PG_VERSION string. There was some discussion about using semantic versioning conventions, but that doesn't seem terribly helpful for modules with no SQL-level presence; and for those that do have SQL objects, we typically expect them to support multiple revisions of the SQL definitions, so it'd still not be very helpful. I did not label any of src/test/modules/. It seems unnecessary since we don't install those, and besides there ought to be someplace that still provides test coverage for the original PG_MODULE_MAGIC macro. Author: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/dd4d1b59-d0fe-49d5-b28f-1e463b68fa32@gmail.com
* Remove now superfluous declarations of dlsym()ed symbols.Andres Freund2022-07-17
| | | | | | | | The prior commit declared them centrally. Author: Andres Freund <andres@anarazel.de> Reviewed-By: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/20211101020311.av6hphdl6xbjbuif@alap3.anarazel.de
* plpython: Code cleanup related to removal of Python 2 support.Andres Freund2022-03-07
| | | | | | | | | | | | | | Since 19252e8ec93 we reject Python 2 during build configuration. Now that the dust on the buildfarm has settled, remove Python 2 specific code, including the "Python 2/3 porting layer". The code to detect conflicts between plpython using Python 2 and 3 is not removed, in case somebody creates an out-of-tree version adding back support for Python 2. Reviewed-By: Peter Eisentraut <peter@eisentraut.org> Reviewed-By: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/20211031184548.g4sxfe47n2kyi55r@alap3.anarazel.de
* Support infinity and -infinity in the numeric data type.Tom Lane2020-07-22
| | | | | | | | | | | | | | | Add infinities that behave the same as they do in the floating-point data types. Aside from any intrinsic usefulness these may have, this closes an important gap in our ability to convert floating values to numeric and/or replace float-based APIs with numeric. The new values are represented by bit patterns that were formerly not used (although old code probably would take them for NaNs). So there shouldn't be any pg_upgrade hazard. Patch by me, reviewed by Dean Rasheed and Andrew Gierth Discussion: https://postgr.es/m/606717.1591924582@sss.pgh.pa.us
* In jsonb_plpython.c, suppress warning message from gcc 10.Tom Lane2020-01-30
| | | | | | | | | | | | Very recent gcc complains that PLyObject_ToJsonbValue could return a pointer to a local variable. I think it's wrong; but the coding is fragile enough, and the savings of one palloc() minimal enough, that it seems better to just do a palloc() all the time. (My other idea of tweaking the if-condition doesn't suppress the warning.) Back-patch to v11 where this code was introduced. Discussion: https://postgr.es/m/21547.1580170366@sss.pgh.pa.us
* Remove excess parens in ereport() callsAlvaro Herrera2020-01-30
| | | | | | | Cosmetic cleanup, not worth backpatching. Discussion: https://postgr.es/m/20200129200401.GA6303@alvherre.pgsql Reviewed-by: Tom Lane, Michael Paquier
* PG_FINALLYPeter Eisentraut2019-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This gives an alternative way of catching exceptions, for the common case where the cleanup code is the same in the error and non-error cases. So instead of PG_TRY(); { ... code that might throw ereport(ERROR) ... } PG_CATCH(); { cleanup(); PG_RE_THROW(); } PG_END_TRY(); cleanup(); one can write PG_TRY(); { ... code that might throw ereport(ERROR) ... } PG_FINALLY(); { cleanup(); } PG_END_TRY(); Discussion: https://www.postgresql.org/message-id/flat/95a822c3-728b-af0e-d7e5-71890507ae0c%402ndquadrant.com
* Make the order of the header file includes consistent in contrib modules.Amit Kapila2019-10-24
| | | | | | | | | | | | | | The basic rule we follow here is to always first include 'postgres.h' or 'postgres_fe.h' whichever is applicable, then system header includes and then Postgres header includes.  In this, we also follow that all the Postgres header includes are in order based on their ASCII value.  We generally follow these rules, but the code has deviated in many places. This commit makes it consistent just for contrib modules. The later commits will enforce similar rules in other parts of code. Author: Vignesh C Reviewed-by: Amit Kapila Discussion: https://postgr.es/m/CALDaNm2Sznv8RR6Ex-iJO6xAdsxgWhCoETkaYX=+9DW3q0QCfA@mail.gmail.com
* Fix more typos and inconsistencies in the treeMichael Paquier2019-06-17
| | | | | Author: Alexander Lakhin Discussion: https://postgr.es/m/0a5419ea-1452-a4e6-72ff-545b1a5a8076@gmail.com
* Phase 2 pgindent run for v12.Tom Lane2019-05-22
| | | | | | | | | Switch to 2.1 version of pg_bsd_indent. This formats multiline function declarations "correctly", that is with additional lines of parameter declarations indented to match where the first line's left parenthesis is. Discussion: https://postgr.es/m/CAEepm=0P3FeTXRcU5B2W3jv3PgRVZ-kGUXLGfd42FFhUROO3ug@mail.gmail.com
* Avoid Python memory leaks in hstore_plpython and jsonb_plpython.Tom Lane2019-04-06
| | | | | | | | | | | | Fix some places where we might fail to do Py_DECREF() on a Python object (thereby leaking it for the rest of the session). Almost all of the risks were in error-recovery paths, which we don't really expect to hit anyway. Hence, while this is definitely a bug fix, it doesn't quite seem worth back-patching. Nikita Glukhov, Michael Paquier, Tom Lane Discussion: https://postgr.es/m/28053a7d-10d8-fc23-b05c-b4749c873f63@postgrespro.ru
* Fix volatile vs. pointer confusionPeter Eisentraut2019-03-14
| | | | | | | | | | | | | | Variables used after a longjmp() need to be declared volatile. In case of a pointer, it's the pointer itself that needs to be declared volatile, not the pointed-to value. So we need PyObject *volatile items; instead of volatile PyObject *items; /* wrong */ Discussion: https://www.postgresql.org/message-id/flat/f747368d-9e1a-c46a-ac76-3c27da32e8e4%402ndquadrant.com
* Remove redundant allocationPeter Eisentraut2018-10-05
| | | | Author: Nikita Glukhov <n.gluhov@postgrespro.ru>
* Fix memory leak in PLySequence_ToJsonbValue()Alexander Korotkov2018-06-15
| | | | | | | | | | PyObject returned from PySequence_GetItem() is not released. Similar code in PLyMapping_ToJsonbValue() is correct, because according to Python documentation PyList_GetItem() and PyTuple_GetItem() return a borrowed reference while PySequence_GetItem() returns new reference. contrib/jsonb_plpython is new in PostgreSQL 11, no backpatch is needed. Author: Nikita Glukhov Discussion: https://postgr.es/m/6001af16-b242-2527-bc7e-84b8a959163b%40postgrespro.ru
* Prevent NaN in jsonb/plpython transformPeter Eisentraut2018-05-02
| | | | | | | | | | As in e348e7ae5727a6da8678036d748e5c5af7deb6c9 for jsonb/plperl, prevent putting a NaN into a jsonb numeric field. Tests for this had been removed in 6278a2a262b63faaf47eb2371f6bcb5b6e3ff118, but in case they are ever resurrected: This would change the output of the test1nan() function to an error.
* Fix assorted compiler warnings seen in the buildfarm.Tom Lane2018-05-02
| | | | | | | | | | | | | | | | | Failure to use DatumGetFoo/FooGetDatum macros correctly, or at all, causes some warnings about sign conversion. This is just cosmetic at the moment but in principle it's a type violation, so clean up the instances I could find. autoprewarm.c and sharedfileset.c contained code that unportably assumed that pid_t is the same size as int. We've variously dealt with this by casting pid_t to int or to unsigned long for printing purposes; I went with the latter. Fix uninitialized-variable warning in RestoreGUCState. This is a live bug in some sense, but of no great significance given that nobody is very likely to care what "line number" is associated with a GUC that hasn't got a source file recorded.
* Post-feature-freeze pgindent run.Tom Lane2018-04-26
| | | | Discussion: https://postgr.es/m/15719.1523984266@sss.pgh.pa.us
* Transforms for jsonb to PL/PythonPeter Eisentraut2018-03-28
Add a new contrib module jsonb_plpython that provide a transform between jsonb and PL/Python. jsonb values are converted to appropriate Python types such as dicts and lists, and vice versa. Author: Anthony Bykov <a.bykov@postgrespro.ru> Reviewed-by: Aleksander Alekseev <a.alekseev@postgrespro.ru> Reviewed-by: Nikita Glukhov <n.gluhov@postgrespro.ru>
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