============================================================================
                        POSTGRESQL BUG REPORT TEMPLATE
============================================================================




Your name : Rob Fielding Your email address : [EMAIL PROTECTED]




System Configuration --------------------- Architecture (example: Intel Pentium) : Intel P3 SMP


Operating System (example: Linux 2.0.26 ELF) : RH9


PostgreSQL version (example: PostgreSQL-7.3.6): PostgreSQL-7.3.6


Compiler used (example: gcc 2.95.2) : gcc (GCC) 3.2.2 20030222 (Red Hat Linux 3.2.2-5)





Please enter a FULL description of your problem: ------------------------------------------------

plpython trigger function crashes postmaster when encountering integer columns.






Please describe a way to repeat the problem. Please try to provide a concise reproducible example, if at all possible: ----------------------------------------------------------------------


$ dropdb trigger_test
$ createdb trigger_test
$ psql trigger_test < ~/trigger_test2.sql
CREATE FUNCTION
NOTICE: CREATE TABLE will create implicit sequence 'foobar_id_seq' for SERIAL column 'foobar.id'
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'foobar_pkey' for table 'foobar'
CREATE TABLE
NOTICE: CREATE TABLE will create implicit sequence 'barfoo_id_seq' for SERIAL column 'barfoo.id'
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'barfoo_pkey' for table 'barfoo'
CREATE TABLE
NOTICE: CREATE TABLE will create implicit sequence 'object_id_seq' for SERIAL column 'object.id'
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'object_pkey' for table 'object'
CREATE TABLE
CREATE TRIGGER
CREATE TRIGGER
CREATE TRIGGER
NOTICE: ('TD %', {'relid': '12082227', 'old': None, 'name': 'tr_trans', 'level': 'ROW', 'new': {'id': 1, 'desc': 'foo'}, 'args': None, 'when': 'BEFORE', 'event': 'INSERT'})
INSERT 12082255 1
NOTICE: ('TD %', {'relid': '12082237', 'old': None, 'name': 'tr_trans', 'level': 'ROW', 'new': {'id': 1, 'desc': 'var'}, 'args': None, 'when': 'BEFORE', 'event': 'INSERT'})
INSERT 12082256 1
NOTICE: ('TD %', {'relid': '12082227', 'old': None, 'name': 'tr_trans', 'level': 'ROW', 'new': {'id': 2, 'desc': 'foo'}, 'args': None, 'when': 'BEFORE', 'event': 'INSERT'})
INSERT 12082257 1
NOTICE: ('TD %', {'relid': '12082237', 'old': None, 'name': 'tr_trans', 'level': 'ROW', 'new': {'id': 2, 'desc': 'var'}, 'args': None, 'when': 'BEFORE', 'event': 'INSERT'})
INSERT 12082258 1
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
connection to server was lost



$ cat ~/trigger_test2.sql (annotated)

/* simple function */
CREATE OR REPLACE FUNCTION "tr_trans_py"() RETURNS TRIGGER AS '
plpy.notice("TD %", TD)
' LANGUAGE 'plpythonu' ;        <--- either plpython or plpythonu

CREATE TABLE "foobar" (
 "id" SERIAL,
 "desc" text,
 PRIMARY KEY ("id")
);




CREATE TABLE "barfoo" ( "id" SERIAL, "desc" text, PRIMARY KEY ("id") );


CREATE TABLE "object" ( "id" SERIAL, "anum" integer, PRIMARY KEY ("id") );

CREATE TRIGGER tr_trans BEFORE UPDATE OR INSERT ON foobar FOR EACH ROW
EXECUTE PROCEDURE tr_trans_py();
CREATE TRIGGER tr_trans BEFORE UPDATE OR INSERT ON barfoo FOR EACH ROW
EXECUTE PROCEDURE tr_trans_py();
CREATE TRIGGER tr_trans BEFORE UPDATE OR INSERT ON object FOR EACH ROW
EXECUTE PROCEDURE tr_trans_py();


insert into foobar ("desc") values ('foo');
insert into barfoo ("desc") values ('var');
insert into foobar ("desc") values ('foo');
insert into barfoo ("desc") values ('var');
insert into object ("anum") values ('1');  <------ dies here
insert into object ("anum") values ('2');

if you edit the schema for the table "object" and change "anum" to type text, all is well.

If you change "anum" to timestamp and the values to now() I get additionally weird results (after a dropdb/createdb)

ERROR:  Relation 303 does not exist
ERROR:  Relation 1086872352 does not exist



If you know how this problem might be fixed, list the solution below:
---------------------------------------------------------------------


Neither these problems are encountered in 7.4.x ; ordinarily I'd just upgrade the database server, however in this case it isn't quite time yet. Fixing this in the 7.3.x branch IMO would be nice :))


Best regards,


--

Rob Fielding
[EMAIL PROTECTED]

www.dsvr.co.uk              Development             Designer Servers Ltd


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