Comments (4)
Woah.
Thanks for the report.
from plrust.
fwiw this test would be written the same as
CREATE OR REPLACE FUNCTION test(a int, b int)
RETURNS int AS
$$
a
$$ LANGUAGE plrust;
I have reproduced the error as a test and while my initial hypothesis was a problem in pgx, it seems to be unique to PL/Rust and the equivalent test in pgx passes fine.
from plrust.
...This appears to be a "Heisenbug", which may explain why we have not seen it before. That is, it does not seem to happen consistently, and the ordering that happens somehow can change when the functions are rebuilt and retested. It also seems to be exacerbated by simultaneously submitting multiple PL/Rust functions at once, but is not exclusive to that.
from plrust.
Ah. The lesson here is to never use HashMap
(which is, by default, HashMap<K, V, RandomState>
... i.e. the data is hashed with a random state seed selected upon creation of the HashMap
) and expect a deterministic ordering.
from plrust.
Related Issues (20)
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- Compiling multiple functions together HOT 7
- fix `plrust/build` to dynamically determine pgrx version HOT 1
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- Support for custom (opaque) type HOT 5
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- plrust installation fails when postgres 15 compiled with gprof profiler HOT 2
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- enumerated type as function arg? HOT 7
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- seg faults when working with composite types HOT 2
- Support for Postgres 17 HOT 3
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from plrust.