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Diffstat (limited to 'src/backend/parser/parse_func.c')
-rw-r--r--src/backend/parser/parse_func.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/src/backend/parser/parse_func.c b/src/backend/parser/parse_func.c
index 3bb5c452a8e..785e8816a94 100644
--- a/src/backend/parser/parse_func.c
+++ b/src/backend/parser/parse_func.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/parse_func.c,v 1.203 2008/07/16 01:30:22 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/parse_func.c,v 1.204 2008/07/30 17:05:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -439,8 +439,9 @@ func_select_candidate(int nargs,
int nbestMatch,
nmatch;
Oid input_base_typeids[FUNC_MAX_ARGS];
- CATEGORY slot_category[FUNC_MAX_ARGS],
+ TYPCATEGORY slot_category[FUNC_MAX_ARGS],
current_category;
+ bool current_is_preferred;
bool slot_has_preferred_type[FUNC_MAX_ARGS];
bool resolved_unknowns;
@@ -591,7 +592,7 @@ func_select_candidate(int nargs,
if (input_base_typeids[i] != UNKNOWNOID)
continue;
resolved_unknowns = true; /* assume we can do it */
- slot_category[i] = INVALID_TYPE;
+ slot_category[i] = TYPCATEGORY_INVALID;
slot_has_preferred_type[i] = false;
have_conflict = false;
for (current_candidate = candidates;
@@ -600,29 +601,28 @@ func_select_candidate(int nargs,
{
current_typeids = current_candidate->args;
current_type = current_typeids[i];
- current_category = TypeCategory(current_type);
- if (slot_category[i] == INVALID_TYPE)
+ get_type_category_preferred(current_type,
+ &current_category,
+ &current_is_preferred);
+ if (slot_category[i] == TYPCATEGORY_INVALID)
{
/* first candidate */
slot_category[i] = current_category;
- slot_has_preferred_type[i] =
- IsPreferredType(current_category, current_type);
+ slot_has_preferred_type[i] = current_is_preferred;
}
else if (current_category == slot_category[i])
{
/* more candidates in same category */
- slot_has_preferred_type[i] |=
- IsPreferredType(current_category, current_type);
+ slot_has_preferred_type[i] |= current_is_preferred;
}
else
{
/* category conflict! */
- if (current_category == STRING_TYPE)
+ if (current_category == TYPCATEGORY_STRING)
{
/* STRING always wins if available */
slot_category[i] = current_category;
- slot_has_preferred_type[i] =
- IsPreferredType(current_category, current_type);
+ slot_has_preferred_type[i] = current_is_preferred;
}
else
{
@@ -633,7 +633,7 @@ func_select_candidate(int nargs,
}
}
}
- if (have_conflict && slot_category[i] != STRING_TYPE)
+ if (have_conflict && slot_category[i] != TYPCATEGORY_STRING)
{
/* Failed to resolve category conflict at this position */
resolved_unknowns = false;
@@ -658,14 +658,15 @@ func_select_candidate(int nargs,
if (input_base_typeids[i] != UNKNOWNOID)
continue;
current_type = current_typeids[i];
- current_category = TypeCategory(current_type);
+ get_type_category_preferred(current_type,
+ &current_category,
+ &current_is_preferred);
if (current_category != slot_category[i])
{
keepit = false;
break;
}
- if (slot_has_preferred_type[i] &&
- !IsPreferredType(current_category, current_type))
+ if (slot_has_preferred_type[i] && !current_is_preferred)
{
keepit = false;
break;