diff options
Diffstat (limited to 'src/backend/executor/execAmi.c')
| -rw-r--r-- | src/backend/executor/execAmi.c | 58 |
1 files changed, 26 insertions, 32 deletions
diff --git a/src/backend/executor/execAmi.c b/src/backend/executor/execAmi.c index a9c5bd40372..3c0e029fd3c 100644 --- a/src/backend/executor/execAmi.c +++ b/src/backend/executor/execAmi.c @@ -6,7 +6,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: execAmi.c,v 1.57 2001/03/22 03:59:25 momjian Exp $ + * $Id: execAmi.c,v 1.58 2001/03/22 06:16:12 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -78,23 +78,20 @@ ExecOpenScanR(Oid relOid, Relation relation; Pointer scanDesc; - /* ---------------- - * note: scanDesc returned by ExecBeginScan can be either - * a HeapScanDesc or an IndexScanDesc so for now we - * make it a Pointer. There should be a better scan - * abstraction someday -cim 9/9/89 - * ---------------- + /* + * note: scanDesc returned by ExecBeginScan can be either a + * HeapScanDesc or an IndexScanDesc so for now we make it a Pointer. + * There should be a better scan abstraction someday -cim 9/9/89 */ - /* ---------------- - * Open the relation with the correct call depending - * on whether this is a heap relation or an index relation. + /* + * Open the relation with the correct call depending on whether this + * is a heap relation or an index relation. * - * For a table, acquire AccessShareLock for the duration of the query - * execution. For indexes, acquire no lock here; the index machinery - * does its own locks and unlocks. (We rely on having some kind of - * lock on the parent table to ensure the index won't go away!) - * ---------------- + * For a table, acquire AccessShareLock for the duration of the query + * execution. For indexes, acquire no lock here; the index machinery + * does its own locks and unlocks. (We rely on having some kind of + * lock on the parent table to ensure the index won't go away!) */ if (isindex) relation = index_open(relOid); @@ -136,13 +133,12 @@ ExecBeginScan(Relation relation, { Pointer scanDesc; - /* ---------------- - * open the appropriate type of scan. + /* + * open the appropriate type of scan. * - * Note: ambeginscan()'s second arg is a boolean indicating - * that the scan should be done in reverse.. That is, - * if you pass it true, then the scan is backward. - * ---------------- + * Note: ambeginscan()'s second arg is a boolean indicating that the scan + * should be done in reverse.. That is, if you pass it true, then the + * scan is backward. */ if (isindex) { @@ -180,9 +176,8 @@ ExecCloseR(Plan *node) Relation relation; HeapScanDesc scanDesc; - /* ---------------- - * get state for node and shut down the heap scan, if any - * ---------------- + /* + * get state for node and shut down the heap scan, if any */ switch (nodeTag(node)) { @@ -209,10 +204,9 @@ ExecCloseR(Plan *node) if (scanDesc != NULL) heap_endscan(scanDesc); - /* ---------------- - * if this is an index scan then we have to take care - * of the index relations as well. - * ---------------- + /* + * if this is an index scan then we have to take care of the index + * relations as well. */ if (IsA(node, IndexScan)) { @@ -229,10 +223,10 @@ ExecCloseR(Plan *node) for (i = 0; i < numIndices; i++) { - /* ---------------- - * shut down each of the index scans and - * close each of the index relations - * ---------------- + + /* + * shut down each of the index scans and close each of the + * index relations */ if (indexScanDescs[i] != NULL) index_endscan(indexScanDescs[i]); |