[HACKERS] How to handle error message in PG_CATCH

[Zdenek Kotala]

I'm working on implementing pg_check functions. Because I want to test 
whole table I need catch a error and handle it myself. I use following 
construct:


PG_TRY();
{
        ...
        ereport(ERROR, (errmsg("Error test")));
        ...
}
PG_CATCH();
{
        errcontext("Context error");
        EmitErrorReport();
        FlushErrorState();
}
PG_END_TRY();

At the end I got following message:

ERROR:  Error test
CONTEXT:  Context error
server sent data ("D" message) without prior row description ("T" message)

and also nothing appears in a log file. Similar concept is used in
autovacuum.c.


        Any idea what is wrong?

                Thanks for help Zdenek

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