diff options
Diffstat (limited to 'src/backend/nodes/nodeFuncs.c')
| -rw-r--r-- | src/backend/nodes/nodeFuncs.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c index fe3a113c8fc..0ed8712a631 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: |