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Change the UNKNOWN type to have an internal representation matching

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cstring, rather than text, so as to eliminate useless conversions
inside the parser.  Per recent discussion.
This commit is contained in:
Tom Lane
2005-05-30 01:20:50 +00:00
parent c8f81df41b
commit cfd9be939e
5 changed files with 37 additions and 47 deletions
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10
src/backend/parser/parse_coerce.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.129 2005/05/29 18:24:13 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.130 2005/05/30 01:20:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -168,8 +168,11 @@ coerce_type(ParseState *pstate, Node *node,
if (!con->constisnull)
{
char *val = DatumGetCString(DirectFunctionCall1(unknownout,
con->constvalue));
/*
* We assume here that UNKNOWN's internal representation is the
* same as CSTRING
*/
char *val = DatumGetCString(con->constvalue);
/*
* We pass typmod -1 to the input routine, primarily because
@ -183,7 +186,6 @@ coerce_type(ParseState *pstate, Node *node,
* ugly...
*/
newcon->constvalue = stringTypeDatum(targetType, val, -1);
pfree(val);
}
result = (Node *) newcon;