*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.79 1999/05/12 15:01:31 wieck Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.80 1999/05/18 21:34:27 tgl Exp $
*
*-------------------------------------------------------------------------
*/
newnode->hashjoinop = from->hashjoinop;
- /* both are unused !.. */
- newnode->hashjointablekey = from->hashjointablekey;
- newnode->hashjointablesize = from->hashjointablesize;
-
return newnode;
}
*/
Node_Copy(from, newnode, hashkey);
- /* both are unused !.. */
- newnode->hashtablekey = from->hashtablekey;
- newnode->hashtablesize = from->hashtablesize;
-
return newnode;
}
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: outfuncs.c,v 1.82 1999/05/17 17:03:13 momjian Exp $
+ * $Id: outfuncs.c,v 1.83 1999/05/18 21:34:28 tgl Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
_outNode(str, node->hashclauses);
appendStringInfo(str,
- " :hashjoinop %u :hashjointable 0x%x :hashjointablekey %d ",
- node->hashjoinop,
- (int) node->hashjointable,
- node->hashjointablekey);
+ " :hashjoinop %u ",
+ node->hashjoinop);
appendStringInfo(str,
- " :hashjointablesize %d :hashdone %d ",
- node->hashjointablesize,
+ " :hashdone %d ",
node->hashdone);
}
appendStringInfo(str, " :hashkey ");
_outNode(str, node->hashkey);
-
- appendStringInfo(str, " :hashtable 0x%x :hashtablekey %d :hashtablesize %d ",
- (int) node->hashtable,
- node->hashtablekey,
- node->hashtablesize);
}
/*****************************************************************************
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.62 1999/05/17 17:03:14 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.63 1999/05/18 21:34:29 tgl Exp $
*
* NOTES
* Most of the read functions for plan nodes are tested. (In fact, they
token = lsptok(NULL, &length); /* get hashjoinop */
local_node->hashjoinop = strtoul(token, NULL, 10);
- token = lsptok(NULL, &length); /* eat :hashjointable */
- token = lsptok(NULL, &length); /* eat hashjointable */
- local_node->hashjointable = NULL;
-
- token = lsptok(NULL, &length); /* eat :hashjointablekey */
- token = lsptok(NULL, &length); /* eat hashjointablekey */
- local_node->hashjointablekey = 0;
-
- token = lsptok(NULL, &length); /* eat :hashjointablesize */
- token = lsptok(NULL, &length); /* eat hashjointablesize */
- local_node->hashjointablesize = 0;
-
token = lsptok(NULL, &length); /* eat :hashdone */
token = lsptok(NULL, &length); /* eat hashdone */
local_node->hashdone = false;
token = lsptok(NULL, &length); /* eat :hashkey */
local_node->hashkey = (Var *) nodeRead(true);
- token = lsptok(NULL, &length); /* eat :hashtable */
- token = lsptok(NULL, &length); /* eat hashtable address */
- local_node->hashtable = NULL;
-
- token = lsptok(NULL, &length); /* eat :hashtablekey */
- token = lsptok(NULL, &length); /* get hashtablekey */
- local_node->hashtablekey = 0;
-
- token = lsptok(NULL, &length); /* eat :hashtablesize */
- token = lsptok(NULL, &length); /* get hashtablesize */
- local_node->hashtablesize = 0;
-
return local_node;
}
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.54 1999/05/10 00:45:19 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.55 1999/05/18 21:34:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
plan->lefttree = lefttree;
plan->righttree = righttree;
node->hashclauses = hashclauses;
- node->hashjointable = NULL;
- node->hashjointablekey = 0;
- node->hashjointablesize = 0;
node->hashdone = false;
return node;
plan->lefttree = lefttree;
plan->righttree = NULL;
node->hashkey = hashkey;
- node->hashtable = NULL;
- node->hashtablekey = 0;
- node->hashtablesize = 0;
return node;
}
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: execnodes.h,v 1.27 1999/03/23 16:51:00 momjian Exp $
+ * $Id: execnodes.h,v 1.28 1999/05/18 21:34:26 tgl Exp $
*
*-------------------------------------------------------------------------
*/
/* ----------------
* HashJoinState information
*
- * hj_HashTable address of the hash table for the hashjoin
- * hj_HashTableShmId shared memory id of hash table
- * hj_CurBucket the current hash bucket that we are searching
- * for matches of the current outer tuple
- * hj_CurTuple the current matching inner tuple in the
- * current hash bucket
- * hj_CurOTuple the current matching inner tuple in the
- * current hash overflow chain
+ * hj_HashTable hash table for the hashjoin
+ * hj_CurBucketNo bucket# for current outer tuple
+ * hj_CurTuple last inner tuple matched to current outer
+ * tuple, or NULL if starting search
+ * (CurBucketNo and CurTuple are meaningless
+ * unless OuterTupleSlot is nonempty!)
* hj_InnerHashKey the inner hash key in the hashjoin condition
- * hj_OuterBatches file descriptors for outer batches
- * hj_InnerBatches file descriptors for inner batches
- * hj_OuterReadPos current read position of outer batch
- * hj_OuterReadBlk current read block of outer batch
* hj_OuterTupleSlot tuple slot for outer tuples
* hj_HashTupleSlot tuple slot for hashed tuples
*
- *
- *
* JoinState information
*
* CommonState information
typedef struct HashJoinState
{
JoinState jstate; /* its first field is NodeTag */
- HashJoinTable hj_HashTable;
- IpcMemoryId hj_HashTableShmId;
- HashBucket hj_CurBucket;
- HeapTuple hj_CurTuple;
- OverflowTuple hj_CurOTuple;
- Var *hj_InnerHashKey;
- File *hj_OuterBatches;
- File *hj_InnerBatches;
- char *hj_OuterReadPos;
- int hj_OuterReadBlk;
+ HashJoinTable hj_HashTable;
+ int hj_CurBucketNo;
+ HashJoinTuple hj_CurTuple;
+ Var *hj_InnerHashKey;
TupleTableSlot *hj_OuterTupleSlot;
TupleTableSlot *hj_HashTupleSlot;
} HashJoinState;
/* ----------------
* HashState information
*
- * hashBatches file descriptors for the batches
+ * hashtable hash table for the hashjoin
*
* CommonState information
*
typedef struct HashState
{
CommonState cstate; /* its first field is NodeTag */
- File *hashBatches;
+ HashJoinTable hashtable;
} HashState;
#ifdef NOT_USED
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: plannodes.h,v 1.24 1999/03/23 16:51:04 momjian Exp $
+ * $Id: plannodes.h,v 1.25 1999/05/18 21:34:26 tgl Exp $
*
*-------------------------------------------------------------------------
*/
List *hashclauses;
Oid hashjoinop;
HashJoinState *hashjoinstate;
- HashJoinTable hashjointable;
- IpcMemoryKey hashjointablekey;
- int hashjointablesize;
bool hashdone;
} HashJoin;
Plan plan;
Var *hashkey;
HashState *hashstate;
- HashJoinTable hashtable;
- IpcMemoryKey hashtablekey;
- int hashtablesize;
} Hash;
#ifdef NOT_USED
projects / postgresql.git / commitdiff