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Remove dashes in comments that don't need them, rewrap with pgindent.

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This commit is contained in:
Bruce Momjian
2001-03-22 06:16:21 +00:00
parent 9e1552607a
commit 0686d49da0
100 changed files with 4522 additions and 6023 deletions
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152
src/backend/access/transam/transam.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.42 2001/03/22 03:59:17 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/transam.c,v 1.43 2001/03/22 06:16:10 momjian Exp $
*
* NOTES
* This file contains the high level access-method interface to the
@ -124,30 +124,25 @@ TransactionLogTest(TransactionId transactionId, /* transaction id to test */
XidStatus xidstatus; /* recorded status of xid */
bool fail = false; /* success/failure */
/* ----------------
* during initialization consider all transactions
* as having been committed
* ----------------
/*
* during initialization consider all transactions as having been
* committed
*/
if (!RelationIsValid(LogRelation))
return (bool) (status == XID_COMMIT);
/* ----------------
* before going to the buffer manager, check our single
* item cache to see if we didn't just check the transaction
* status a moment ago.
* ----------------
/*
* before going to the buffer manager, check our single item cache to
* see if we didn't just check the transaction status a moment ago.
*/
if (TransactionIdEquals(transactionId, cachedTestXid))
return (bool)
(status == cachedTestXidStatus);
/* ----------------
* compute the item pointer corresponding to the
* page containing our transaction id. We save the item in
* our cache to speed up things if we happen to ask for the
* same xid's status more than once.
* ----------------
/*
* compute the item pointer corresponding to the page containing our
* transaction id. We save the item in our cache to speed up things
* if we happen to ask for the same xid's status more than once.
*/
TransComputeBlockNumber(LogRelation, transactionId, &blockNumber);
xidstatus = TransBlockNumberGetXidStatus(LogRelation,
@ -169,9 +164,8 @@ TransactionLogTest(TransactionId transactionId, /* transaction id to test */
return (bool) (status == xidstatus);
}
/* ----------------
* here the block didn't contain the information we wanted
* ----------------
/*
* here the block didn't contain the information we wanted
*/
elog(ERROR, "TransactionLogTest: failed to get xidstatus");
@ -192,16 +186,14 @@ TransactionLogUpdate(TransactionId transactionId, /* trans id to update */
BlockNumber blockNumber;
bool fail = false; /* success/failure */
/* ----------------
* during initialization we don't record any updates.
* ----------------
/*
* during initialization we don't record any updates.
*/
if (!RelationIsValid(LogRelation))
return;
/* ----------------
* update the log relation
* ----------------
/*
* update the log relation
*/
TransComputeBlockNumber(LogRelation, transactionId, &blockNumber);
TransBlockNumberSetXidStatus(LogRelation,
@ -292,43 +284,38 @@ static void
TransRecover(Relation logRelation)
{
#ifdef NOT_USED
/* ----------------
* first get the last recorded transaction in the log.
* ----------------
/*
* first get the last recorded transaction in the log.
*/
TransGetLastRecordedTransaction(logRelation, logLastXid, &fail);
if (fail == true)
elog(ERROR, "TransRecover: failed TransGetLastRecordedTransaction");
/* ----------------
* next get the "last" and "next" variables
* ----------------
/*
* next get the "last" and "next" variables
*/
VariableRelationGetLastXid(&varLastXid);
VariableRelationGetNextXid(&varNextXid);
/* ----------------
* intregity test (1)
* ----------------
/*
* intregity test (1)
*/
if (TransactionIdIsLessThan(varNextXid, logLastXid))
elog(ERROR, "TransRecover: varNextXid < logLastXid");
/* ----------------
* intregity test (2)
* ----------------
/*
* intregity test (2)
*/
/* ----------------
* intregity test (3)
* ----------------
/*
* intregity test (3)
*/
/* ----------------
* here we have a valid "
/*
* here we have a valid "
*
* **** RESUME HERE ****
* ----------------
**** RESUME HERE ****
*/
varNextXid = TransactionIdDup(varLastXid);
TransactionIdIncrement(&varNextXid);
@ -375,51 +362,45 @@ InitializeTransactionLog(void)
Relation logRelation;
MemoryContext oldContext;
/* ----------------
* don't do anything during bootstrapping
* ----------------
/*
* don't do anything during bootstrapping
*/
if (AMI_OVERRIDE)
return;
/* ----------------
* disable the transaction system so the access methods
* don't interfere during initialization.
* ----------------
/*
* disable the transaction system so the access methods don't
* interfere during initialization.
*/
OverrideTransactionSystem(true);
/* ----------------
* make sure allocations occur within the top memory context
* so that our log management structures are protected from
* garbage collection at the end of every transaction.
* ----------------
/*
* make sure allocations occur within the top memory context so that
* our log management structures are protected from garbage collection
* at the end of every transaction.
*/
oldContext = MemoryContextSwitchTo(TopMemoryContext);
/* ----------------
* first open the log and time relations
* (these are created by amiint so they are guaranteed to exist)
* ----------------
/*
* first open the log and time relations (these are created by amiint
* so they are guaranteed to exist)
*/
logRelation = heap_openr(LogRelationName, NoLock);
VariableRelation = heap_openr(VariableRelationName, NoLock);
/* ----------------
* XXX TransactionLogUpdate requires that LogRelation
* is valid so we temporarily set it so we can initialize
* things properly. This could be done cleaner.
* ----------------
/*
* XXX TransactionLogUpdate requires that LogRelation is valid so we
* temporarily set it so we can initialize things properly. This could
* be done cleaner.
*/
LogRelation = logRelation;
/* ----------------
* if we have a virgin database, we initialize the log
* relation by committing the AmiTransactionId (id 512) and we
* initialize the variable relation by setting the next available
* transaction id to FirstTransactionId (id 514). OID initialization
* happens as a side effect of bootstrapping in varsup.c.
* ----------------
/*
* if we have a virgin database, we initialize the log relation by
* committing the AmiTransactionId (id 512) and we initialize the
* variable relation by setting the next available transaction id to
* FirstTransactionId (id 514). OID initialization happens as a side
* effect of bootstrapping in varsup.c.
*/
SpinAcquire(OidGenLockId);
if (!TransactionIdDidCommit(AmiTransactionId))
@ -433,33 +414,30 @@ InitializeTransactionLog(void)
}
else if (RecoveryCheckingEnabled())
{
/* ----------------
* if we have a pre-initialized database and if the
* perform recovery checking flag was passed then we
* do our database integrity checking.
* ----------------
/*
* if we have a pre-initialized database and if the perform
* recovery checking flag was passed then we do our database
* integrity checking.
*/
TransRecover(logRelation);
}
LogRelation = (Relation) NULL;
SpinRelease(OidGenLockId);
/* ----------------
* now re-enable the transaction system
* ----------------
/*
* now re-enable the transaction system
*/
OverrideTransactionSystem(false);
/* ----------------
* instantiate the global variables
* ----------------
/*
* instantiate the global variables
*/
LogRelation = logRelation;
/* ----------------
* restore the memory context to the previous context
* before we return from initialization.
* ----------------
/*
* restore the memory context to the previous context before we return
* from initialization.
*/
MemoryContextSwitchTo(oldContext);
}