I could use a helpful suggestion or two as to why the following is
occuring or more to the matter, how I might work around it. Certainly
appears to be a bug or some sort of misunderstanding on my part.
This has been tested on FreeBSD/i386 5.4 and postgres 8.1.3 as well as
Linux (2.4 kernel) and postgres 8.1.5.
Below is the issue:
CREATE OR REPLACE FUNCTION pg_test(text) RETURNS integer
AS '/usr/local/lib/postgresql/pg_test', 'pg_test'
LANGUAGE C STRICT;
PG_FUNCTION_INFO_V1(pg_test);
Datum pg_test(PG_FUNCTION_ARGS) {
text *a = PG_GETARG_TEXT_P(0);
ereport(NOTICE,(errmsg("incoming text: %s", VARDATA(a))));
PG_RETURN_INT32(1);
}
CREATE OR REPLACE FUNCTION pg_test(text) RETURNS integer
AS '/usr/local/lib/postgresql/pg_test', 'pg_test'
LANGUAGE C STRICT;
postgres=> select pg_test('HELLO WORLD');
NOTICE: incoming text: HELLO WORLD
pg_test
---------
1
(1 row)
postgres=> select pg_test('STRANGE WORLD');
NOTICE: incoming text: STRANGE WORLD4
pg_test
---------
1
(1 row)
postgres=> select pg_test('HELLO WORLD');
NOTICE: incoming text: HELLO WORLDLà4
pg_test
---------
1
(1 row)
The incoming text indicates there are extraneous characters making
there way in somehow.
James
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