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Tid access method feature from Hiroshi Inoue, Inoue@tpf.co.jp

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This commit is contained in:
Bruce Momjian
1999-11-23 20:07:06 +00:00
parent 54ffd4677a
commit 6f9ff92cc0
28 changed files with 1396 additions and 32 deletions
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68
src/backend/nodes/readfuncs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.74 1999/10/07 04:23:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.75 1999/11/23 20:06:53 momjian Exp $
*
* NOTES
* Most of the read functions for plan nodes are tested. (In fact, they
@ -541,6 +541,33 @@ _readIndexScan()
return local_node;
}
/* ----------------
* _readTidScan
*
* TidScan is a subclass of Scan
* ----------------
*/
static TidScan *
_readTidScan()
{
TidScan *local_node;
char *token;
int length;
local_node = makeNode(TidScan);
_getScan((Scan *) local_node);
token = lsptok(NULL, &length); /* eat :needrescan */
token = lsptok(NULL, &length); /* get needrescan */
local_node->needRescan = atoi(token);
token = lsptok(NULL, &length); /* eat :tideval */
local_node->tideval = nodeRead(true); /* now read it */
return local_node;
}
/* ----------------
* _readNoname
*
@ -1476,6 +1503,41 @@ _readIndexPath()
return local_node;
}
/* ----------------
* _readTidPath
*
* TidPath is a subclass of Path.
* ----------------
*/
static TidPath *
_readTidPath()
{
TidPath *local_node;
char *token;
int length;
local_node = makeNode(TidPath);
token = lsptok(NULL, &length); /* get :pathtype */
token = lsptok(NULL, &length); /* now read it */
local_node->path.pathtype = atol(token);
token = lsptok(NULL, &length); /* get :cost */
token = lsptok(NULL, &length); /* now read it */
local_node->path.path_cost = (Cost) atof(token);
token = lsptok(NULL, &length); /* get :pathkeys */
local_node->path.pathkeys = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :tideval */
local_node->tideval = nodeRead(true); /* now read it */
token = lsptok(NULL, &length); /* get :unjoined_relids */
local_node->unjoined_relids = toIntList(nodeRead(true));
return local_node;
}
/* ----------------
* _readNestPath
*
@ -1801,6 +1863,8 @@ parsePlanString(void)
return_value = _readSeqScan();
else if (!strncmp(token, "INDEXSCAN", length))
return_value = _readIndexScan();
else if (!strncmp(token, "TIDSCAN", length))
return_value = _readTidScan();
else if (!strncmp(token, "NONAME", length))
return_value = _readNoname();
else if (!strncmp(token, "SORT", length))
@ -1845,6 +1909,8 @@ parsePlanString(void)
return_value = _readPath();
else if (!strncmp(token, "INDEXPATH", length))
return_value = _readIndexPath();
else if (!strncmp(token, "TIDPATH", length))
return_value = _readTidPath();
else if (!strncmp(token, "NESTPATH", length))
return_value = _readNestPath();
else if (!strncmp(token, "MERGEPATH", length))