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Diffstat (limited to 'src/backend/nodes/nodeFuncs.c')
-rw-r--r--src/backend/nodes/nodeFuncs.c32
1 files changed, 28 insertions, 4 deletions
diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c
index fe3a113c8f..0ed8712a63 100644
--- a/src/backend/nodes/nodeFuncs.c
+++ b/src/backend/nodes/nodeFuncs.c
@@ -210,6 +210,9 @@ exprType(const Node *expr)
case T_MinMaxExpr:
type = ((const MinMaxExpr *) expr)->minmaxtype;
break;
+ case T_SQLValueFunction:
+ type = ((const SQLValueFunction *) expr)->type;
+ break;
case T_XmlExpr:
if (((const XmlExpr *) expr)->op == IS_DOCUMENT)
type = BOOLOID;
@@ -486,6 +489,8 @@ exprTypmod(const Node *expr)
return typmod;
}
break;
+ case T_SQLValueFunction:
+ return ((const SQLValueFunction *) expr)->typmod;
case T_JsonValueExpr:
return exprTypmod((Node *) ((const JsonValueExpr *) expr)->formatted_expr);
case T_JsonConstructorExpr:
@@ -930,6 +935,13 @@ exprCollation(const Node *expr)
case T_MinMaxExpr:
coll = ((const MinMaxExpr *) expr)->minmaxcollid;
break;
+ case T_SQLValueFunction:
+ /* Returns either NAME or a non-collatable type */
+ if (((const SQLValueFunction *) expr)->type == NAMEOID)
+ coll = C_COLLATION_OID;
+ else
+ coll = InvalidOid;
+ break;
case T_XmlExpr:
/*
@@ -1167,6 +1179,11 @@ exprSetCollation(Node *expr, Oid collation)
case T_MinMaxExpr:
((MinMaxExpr *) expr)->minmaxcollid = collation;
break;
+ case T_SQLValueFunction:
+ Assert((((SQLValueFunction *) expr)->type == NAMEOID) ?
+ (collation == C_COLLATION_OID) :
+ (collation == InvalidOid));
+ break;
case T_XmlExpr:
Assert((((XmlExpr *) expr)->op == IS_XMLSERIALIZE) ?
(collation == DEFAULT_COLLATION_OID) :
@@ -1468,6 +1485,10 @@ exprLocation(const Node *expr)
/* GREATEST/LEAST keyword should always be the first thing */
loc = ((const MinMaxExpr *) expr)->location;
break;
+ case T_SQLValueFunction:
+ /* function keyword should always be the first thing */
+ loc = ((const SQLValueFunction *) expr)->location;
+ break;
case T_XmlExpr:
{
const XmlExpr *xexpr = (const XmlExpr *) expr;
@@ -1789,10 +1810,10 @@ set_sa_opfuncid(ScalarArrayOpExpr *opexpr)
* for themselves, in case additional checks should be made, or because they
* have special rules about which parts of the tree need to be visited.
*
- * Note: we ignore MinMaxExpr, XmlExpr, CoerceToDomain, and NextValueExpr
- * nodes, because they do not contain SQL function OIDs. However, they can
- * invoke SQL-visible functions, so callers should take thought about how
- * to treat them.
+ * Note: we ignore MinMaxExpr, SQLValueFunction, XmlExpr, CoerceToDomain,
+ * and NextValueExpr nodes, because they do not contain SQL function OIDs.
+ * However, they can invoke SQL-visible functions, so callers should take
+ * thought about how to treat them.
*/
bool
check_functions_in_node(Node *node, check_function_callback checker,
@@ -2008,6 +2029,7 @@ expression_tree_walker_impl(Node *node,
case T_Const:
case T_Param:
case T_CaseTestExpr:
+ case T_SQLValueFunction:
case T_CoerceToDomainValue:
case T_SetToDefault:
case T_CurrentOfExpr:
@@ -2836,6 +2858,7 @@ expression_tree_mutator_impl(Node *node,
break;
case T_Param:
case T_CaseTestExpr:
+ case T_SQLValueFunction:
case T_JsonFormat:
case T_CoerceToDomainValue:
case T_SetToDefault:
@@ -3797,6 +3820,7 @@ raw_expression_tree_walker_impl(Node *node,
case T_JsonFormat:
case T_SetToDefault:
case T_CurrentOfExpr:
+ case T_SQLValueFunction:
case T_Integer:
case T_Float:
case T_Boolean: