From: | "Pavel Stehule" <pavel(dot)stehule(at)hotmail(dot)com> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | I can't get row type from tuple (SPI) |
Date: | 2005-11-05 17:34:33 |
Message-ID: | BAY20-F5EA78637DC0E29C45E7F0F9630@phx.gbl |
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Lists: | pgsql-hackers |
Hello
I execute "select anyrowfce(..)" in plpgsql via exec_run_select
I need to get inner row, but I can't find good way for it
retval = SPI_getbinval(estate->eval_tuptable->vals[0],
estate->eval_tuptable->tupdesc,1);
rettype = SPI_gettypeid(estate->eval_tuptable->tupdesc,1);
rettupdesc = lookup_rowtype_tupdesc(rettype,0);
rettupdesc is ok, but when I try SPI_getbinval(retval, rettupdesc, ...) I
kill backend.
What I do wrong? What is optimal process to get first field in row, when
this first field is row too.
for example I need to way for value 1 in select
select row(row(1,2,3)); => "("(1,2,3)")"
Can I get inner tupdesc without lookup_rowtype_tupdesc?
Thank you very much
Pavel Stehule
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