diff options
| -rw-r--r-- | src/include/nodes/pg_list.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/nodes/pg_list.h b/src/include/nodes/pg_list.h index 77b50ff1c74..00ab5ae968b 100644 --- a/src/include/nodes/pg_list.h +++ b/src/include/nodes/pg_list.h @@ -106,26 +106,32 @@ list_length(const List *l) #define lfirst(lc) ((lc)->data.ptr_value) #define lfirst_int(lc) ((lc)->data.int_value) #define lfirst_oid(lc) ((lc)->data.oid_value) +#define lfirst_node(type,lc) castNode(type, lfirst(lc)) #define linitial(l) lfirst(list_head(l)) #define linitial_int(l) lfirst_int(list_head(l)) #define linitial_oid(l) lfirst_oid(list_head(l)) +#define linitial_node(type,l) castNode(type, linitial(l)) #define lsecond(l) lfirst(lnext(list_head(l))) #define lsecond_int(l) lfirst_int(lnext(list_head(l))) #define lsecond_oid(l) lfirst_oid(lnext(list_head(l))) +#define lsecond_node(type,l) castNode(type, lsecond(l)) #define lthird(l) lfirst(lnext(lnext(list_head(l)))) #define lthird_int(l) lfirst_int(lnext(lnext(list_head(l)))) #define lthird_oid(l) lfirst_oid(lnext(lnext(list_head(l)))) +#define lthird_node(type,l) castNode(type, lthird(l)) #define lfourth(l) lfirst(lnext(lnext(lnext(list_head(l))))) #define lfourth_int(l) lfirst_int(lnext(lnext(lnext(list_head(l))))) #define lfourth_oid(l) lfirst_oid(lnext(lnext(lnext(list_head(l))))) +#define lfourth_node(type,l) castNode(type, lfourth(l)) #define llast(l) lfirst(list_tail(l)) #define llast_int(l) lfirst_int(list_tail(l)) #define llast_oid(l) lfirst_oid(list_tail(l)) +#define llast_node(type,l) castNode(type, llast(l)) /* * Convenience macros for building fixed-length lists @@ -204,6 +210,7 @@ extern ListCell *list_nth_cell(const List *list, int n); extern void *list_nth(const List *list, int n); extern int list_nth_int(const List *list, int n); extern Oid list_nth_oid(const List *list, int n); +#define list_nth_node(type,list,n) castNode(type, list_nth(list, n)) extern bool list_member(const List *list, const void *datum); extern bool list_member_ptr(const List *list, const void *datum); |