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Diffstat (limited to 'src/backend/parser/parse_oper.c')
-rw-r--r--src/backend/parser/parse_oper.c84
1 files changed, 1 insertions, 83 deletions
diff --git a/src/backend/parser/parse_oper.c b/src/backend/parser/parse_oper.c
index a58bc51def8..5e4683230d9 100644
--- a/src/backend/parser/parse_oper.c
+++ b/src/backend/parser/parse_oper.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_oper.c,v 1.18 1998/09/16 14:22:22 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_oper.c,v 1.19 1998/09/25 13:36:07 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -209,34 +209,22 @@ oper_select_candidate(int nargs,
nmatch++;
}
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- candidate has %d matches\n", nmatch);
-#endif
if ((nmatch > nbestMatch) || (last_candidate == NULL))
{
nbestMatch = nmatch;
candidates = current_candidate;
last_candidate = current_candidate;
ncandidates = 1;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- choose candidate as best match\n");
-#endif
}
else if (nmatch == nbestMatch)
{
last_candidate->next = current_candidate;
last_candidate = current_candidate;
ncandidates++;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- choose candidate as possible match\n");
-#endif
}
else
{
last_candidate->next = NULL;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- reject candidate as possible match\n");
-#endif
}
}
@@ -275,34 +263,22 @@ oper_select_candidate(int nargs,
}
}
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- candidate has %d matches\n", nmatch);
-#endif
if ((nmatch > nbestMatch) || (last_candidate == NULL))
{
nbestMatch = nmatch;
candidates = current_candidate;
last_candidate = current_candidate;
ncandidates = 1;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- choose candidate as best match\n");
-#endif
}
else if (nmatch == nbestMatch)
{
last_candidate->next = current_candidate;
last_candidate = current_candidate;
ncandidates++;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- choose candidate as possible match\n");
-#endif
}
else
{
last_candidate->next = NULL;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- reject candidate as possible match\n");
-#endif
}
}
@@ -312,9 +288,6 @@ oper_select_candidate(int nargs,
|| ((nargs > 1) && !can_coerce_type(1, &input_typeids[1], &candidates->args[1])))
{
ncandidates = 0;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- unable to coerce preferred candidate\n");
-#endif
}
return (ncandidates == 1) ? candidates->args : NULL;
}
@@ -370,16 +343,9 @@ oper_select_candidate(int nargs,
{
slot_category = current_category;
slot_type = current_type;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- assign column #%d first candidate slot type %s\n",
- i, typeidTypeName(current_type));
-#endif
}
else if (current_category != slot_category)
{
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- multiple possible types for column #%d; unable to choose candidate\n", i);
-#endif
return NULL;
}
else if (current_type != slot_type)
@@ -388,17 +354,9 @@ oper_select_candidate(int nargs,
{
slot_type = current_type;
candidates = current_candidate;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- column #%d found preferred candidate type %s\n",
- i, typeidTypeName(slot_type));
-#endif
}
else
{
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- column #%d found possible candidate type %s\n",
- i, typeidTypeName(current_type));
-#endif
}
}
}
@@ -406,18 +364,10 @@ oper_select_candidate(int nargs,
if (slot_type != InvalidOid)
{
input_typeids[i] = slot_type;
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- assign column #%d slot type %s\n",
- i, typeidTypeName(input_typeids[i]));
-#endif
}
}
else
{
-#ifdef PARSEDEBUG
- printf("oper_select_candidate- column #%d input type is %s\n",
- i, typeidTypeName(input_typeids[i]));
-#endif
}
}
@@ -474,15 +424,9 @@ oper_exact(char *op, Oid arg1, Oid arg2, Node **ltree, Node **rtree, bool noWarn
{
Form_pg_operator opform;
-#if PARSEDEBUG
- printf("oper_exact: found possible commutative operator candidate\n");
-#endif
opform = (Form_pg_operator) GETSTRUCT(tup);
if (opform->oprcom == tup->t_oid)
{
-#if PARSEDEBUG
- printf("oper_exact: commutative operator found\n");
-#endif
if ((ltree != NULL) && (rtree != NULL))
{
tree = *ltree;
@@ -541,11 +485,6 @@ oper_inexact(char *op, Oid arg1, Oid arg2, Node **ltree, Node **rtree, bool noWa
ObjectIdGetDatum(candidates->args[1]),
CharGetDatum('b'));
Assert(HeapTupleIsValid(tup));
-
-#if PARSEDEBUG
- printf("oper_inexact: found single candidate\n");
-#endif
-
}
/* Otherwise, multiple operators of the desired types found... */
@@ -556,9 +495,6 @@ oper_inexact(char *op, Oid arg1, Oid arg2, Node **ltree, Node **rtree, bool noWa
targetOids = oper_select_candidate(2, inputOids, candidates);
if (targetOids != NULL)
{
-#if PARSEDEBUG
- printf("oper_inexact: found candidate\n");
-#endif
tup = SearchSysCacheTuple(OPRNAME,
PointerGetDatum(op),
ObjectIdGetDatum(targetOids[0]),
@@ -641,9 +577,6 @@ unary_oper_get_candidates(char *op,
fmgr_info(F_CHAREQ, (FmgrInfo *) &opKey[1].sk_func);
opKey[1].sk_argument = CharGetDatum(rightleft);
-#ifdef PARSEDEBUG
- printf("unary_oper_get_candidates: start scan for '%s'\n", op);
-#endif
pg_operator_desc = heap_openr(OperatorRelationName);
pg_operator_scan = heap_beginscan(pg_operator_desc,
0,
@@ -663,19 +596,12 @@ unary_oper_get_candidates(char *op,
current_candidate->args[0] = oper->oprright;
current_candidate->next = *candidates;
*candidates = current_candidate;
-#ifdef PARSEDEBUG
- printf("unary_oper_get_candidates: found candidate '%s' for type %s\n",
- op, typeidTypeName(current_candidate->args[0]));
-#endif
ncandidates++;
}
heap_endscan(pg_operator_scan);
heap_close(pg_operator_desc);
-#ifdef PARSEDEBUG
- printf("unary_oper_get_candidates: found %d candidates\n", ncandidates);
-#endif
return ncandidates;
} /* unary_oper_get_candidates() */
@@ -774,10 +700,6 @@ left_oper(char *op, Oid arg)
ObjectIdGetDatum(candidates->args[0]),
CharGetDatum('l'));
Assert(HeapTupleIsValid(tup));
-#ifdef PARSEDEBUG
- printf("left_oper: searched cache for single left oper candidate '%s %s'\n",
- op, typeidTypeName((Oid) candidates->args[0]));
-#endif
}
else
{
@@ -801,10 +723,6 @@ left_oper(char *op, Oid arg)
op, typeidTypeName(arg));
return NULL;
}
-#ifdef PARSEDEBUG
- printf("left_oper: searched cache for best left oper candidate '%s %s'\n",
- op, typeidTypeName(*targetOid));
-#endif
}
}
return (Operator) tup;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-23 15:43:37 +0000