diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index d669c24b981..6af4bb8d76c 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -1468,6 +1468,10 @@ typedef struct MergeJoinState /* ---------------- * HashJoinState information * + * hashclauses original form of the hashjoin condition + * hj_OuterHashKeys the outer hash keys in the hashjoin condition + * hj_InnerHashKeys the inner hash keys in the hashjoin condition + * hj_HashOperators the join operators in the hashjoin condition * hj_HashTable hash table for the hashjoin * (NULL if table not built yet) * hj_CurHashValue hash value for current outer tuple @@ -1477,14 +1481,12 @@ typedef struct MergeJoinState * tuple, or NULL if starting search * (hj_CurXXX variables are undefined if * OuterTupleSlot is empty!) - * hj_OuterHashKeys the outer hash keys in the hashjoin condition - * hj_InnerHashKeys the inner hash keys in the hashjoin condition - * hj_HashOperators the join operators in the hashjoin condition * hj_OuterTupleSlot tuple slot for outer tuples - * hj_HashTupleSlot tuple slot for hashed tuples - * hj_NullInnerTupleSlot prepared null tuple for left outer joins + * hj_HashTupleSlot tuple slot for inner (hashed) tuples + * hj_NullOuterTupleSlot prepared null tuple for right/full outer joins + * hj_NullInnerTupleSlot prepared null tuple for left/full outer joins * hj_FirstOuterTupleSlot first tuple retrieved from outer plan - * hj_NeedNewOuter true if need new outer tuple on next call + * hj_JoinState current state of ExecHashJoin state machine * hj_MatchedOuter true if found a join match for current outer * hj_OuterNotEmpty true if outer relation known not empty * ---------------- @@ -1498,19 +1500,20 @@ typedef struct HashJoinState { JoinState js; /* its first field is NodeTag */ List *hashclauses; /* list of ExprState nodes */ + List *hj_OuterHashKeys; /* list of ExprState nodes */ + List *hj_InnerHashKeys; /* list of ExprState nodes */ + List *hj_HashOperators; /* list of operator OIDs */ HashJoinTable hj_HashTable; uint32 hj_CurHashValue; int hj_CurBucketNo; int hj_CurSkewBucketNo; HashJoinTuple hj_CurTuple; - List *hj_OuterHashKeys; /* list of ExprState nodes */ - List *hj_InnerHashKeys; /* list of ExprState nodes */ - List *hj_HashOperators; /* list of operator OIDs */ TupleTableSlot *hj_OuterTupleSlot; TupleTableSlot *hj_HashTupleSlot; + TupleTableSlot *hj_NullOuterTupleSlot; TupleTableSlot *hj_NullInnerTupleSlot; TupleTableSlot *hj_FirstOuterTupleSlot; - bool hj_NeedNewOuter; + int hj_JoinState; bool hj_MatchedOuter; bool hj_OuterNotEmpty; } HashJoinState; |