diff options
Diffstat (limited to 'src/include/nodes/relation.h')
| -rw-r--r-- | src/include/nodes/relation.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index ebf9480f377..fc53eb171aa 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -484,6 +484,23 @@ typedef enum RelOptKind RELOPT_DEADREL } RelOptKind; +/* + * Is the given relation a simple relation i.e a base or "other" member + * relation? + */ +#define IS_SIMPLE_REL(rel) \ + ((rel)->reloptkind == RELOPT_BASEREL || \ + (rel)->reloptkind == RELOPT_OTHER_MEMBER_REL) + +/* Is the given relation a join relation? */ +#define IS_JOIN_REL(rel) ((rel)->reloptkind == RELOPT_JOINREL) + +/* Is the given relation an upper relation? */ +#define IS_UPPER_REL(rel) ((rel)->reloptkind == RELOPT_UPPER_REL) + +/* Is the given relation an "other" relation? */ +#define IS_OTHER_REL(rel) ((rel)->reloptkind == RELOPT_OTHER_MEMBER_REL) + typedef struct RelOptInfo { NodeTag type; @@ -554,6 +571,9 @@ typedef struct RelOptInfo List *joininfo; /* RestrictInfo structures for join clauses * involving this rel */ bool has_eclass_joins; /* T means joininfo is incomplete */ + + /* used by "other" relations. */ + Relids top_parent_relids; /* Relids of topmost parents. */ } RelOptInfo; /* |