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Extended query protocol: parse, bind, execute, describe FE/BE messages.

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Only lightly tested as yet, since libpq doesn't know anything about 'em.
This commit is contained in:
Tom Lane
2003-05-05 00:44:56 +00:00
parent a59793f82c
commit 16503e6fa4
17 changed files with 1336 additions and 268 deletions
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18
src/backend/tcop/fastpath.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/fastpath.c,v 1.60 2003/05/02 20:54:35 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/fastpath.c,v 1.61 2003/05/05 00:44:56 tgl Exp $
*
* NOTES
* This cruft is the server side of PQfn.
@ -310,6 +310,14 @@ HandleFunctionRequest(StringInfo msgBuf)
if (aclresult != ACLCHECK_OK)
aclcheck_error(aclresult, get_func_name(fid));
/*
* Set up a query snapshot in case function needs one.
*/
SetQuerySnapshot();
/*
* Prepare function call info block.
*/
if (fip->flinfo.fn_nargs != nargs || nargs > FUNC_MAX_ARGS)
elog(ERROR, "HandleFunctionRequest: actual arguments (%d) != registered arguments (%d)",
nargs, fip->flinfo.fn_nargs);
@ -359,12 +367,8 @@ HandleFunctionRequest(StringInfo msgBuf)
}
}
/*
* Set up a query snapshot in case function needs one. (It is not safe
* to do this if we are in transaction-abort state, so we have to postpone
* it till now. Ugh.)
*/
SetQuerySnapshot();
/* Verify we reached the end of the message where expected. */
pq_getmsgend(msgBuf);
#ifdef NO_FASTPATH
/* force a NULL return */