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Revise backend libpq interfaces so that messages to the frontend

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can be generated in a buffer and then sent to the frontend in a single
libpq call.  This solves problems with NOTICE and ERROR messages generated
in the middle of a data message or COPY OUT operation.
This commit is contained in:
Tom Lane
1999-04-25 03:19:27 +00:00
parent fc08814e00
commit 95cc41b81d
18 changed files with 1071 additions and 1028 deletions
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20
src/backend/nodes/outfuncs.c
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@ -5,7 +5,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: outfuncs.c,v 1.78 1999/03/23 16:50:53 momjian Exp $
* $Id: outfuncs.c,v 1.79 1999/04/25 03:19:15 tgl Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@ -1658,21 +1658,15 @@ _outNode(StringInfo str, void *obj)
/*
* nodeToString -
* returns the ascii representation of the Node
* returns the ascii representation of the Node as a palloc'd string
*/
char *
nodeToString(void *obj)
{
StringInfo str;
char *s;
StringInfoData str;
if (obj == NULL)
return "";
Assert(obj != NULL);
str = makeStringInfo();
_outNode(str, obj);
s = str->data;
pfree(str);
return s;
/* see stringinfo.h for an explanation of this maneuver */
initStringInfo(&str);
_outNode(&str, obj);
return str.data;
}