diff options
Diffstat (limited to 'src/backend/access/transam')
| -rw-r--r-- | src/backend/access/transam/README | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/backend/access/transam/README b/src/backend/access/transam/README index f0f27af1c39..5439869ee58 100644 --- a/src/backend/access/transam/README +++ b/src/backend/access/transam/README @@ -1,4 +1,4 @@ -$PostgreSQL: pgsql/src/backend/access/transam/README,v 1.9 2007/09/08 20:31:14 tgl Exp $ +$PostgreSQL: pgsql/src/backend/access/transam/README,v 1.10 2008/03/20 17:55:14 momjian Exp $ The Transaction System ---------------------- @@ -145,7 +145,7 @@ finishing of transactions and subtransactions. For example, AtStart_Memory takes care of initializing the memory subsystem at main transaction start. -Subtransaction handling +Subtransaction Handling ----------------------- Subtransactions are implemented using a stack of TransactionState structures, @@ -187,7 +187,7 @@ Another difference is that BeginInternalSubtransaction is allowed when no explicit transaction block has been established, while DefineSavepoint is not. -Transaction and subtransaction numbering +Transaction and Subtransaction Numbering ---------------------------------------- Transactions and subtransactions are assigned permanent XIDs only when/if @@ -221,7 +221,7 @@ InvalidSubTransactionId.) Note that subtransactions do not have their own VXIDs; they use the parent top transaction's VXID. -Interlocking transaction begin, transaction end, and snapshots +Interlocking Transaction Begin, Transaction End, and Snapshots -------------------------------------------------------------- We try hard to minimize the amount of overhead and lock contention involved @@ -375,7 +375,7 @@ for pg_clog are implemented in transam.c, while the low-level functions are in clog.c. pg_subtrans is contained completely in subtrans.c. -Write-Ahead Log coding +Write-Ahead Log Coding ---------------------- The WAL subsystem (also called XLOG in the code) exists to guarantee crash |