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Fix typo in README.

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s/BeginInternalSubtransaction/BeginInternalSubTransaction/
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Tom Lane 2017-10-05 15:05:49 -04:00
parent 6476b26115
commit fe9ba28ee8
1 changed files with 2 additions and 2 deletions
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src/backend/access/transam/README
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@ -177,13 +177,13 @@ subtransaction level with the same name. So it's a completely new
subtransaction as far as the internals are concerned. subtransaction as far as the internals are concerned.
Other subsystems are allowed to start "internal" subtransactions, which are Other subsystems are allowed to start "internal" subtransactions, which are
handled by BeginInternalSubtransaction. This is to allow implementing handled by BeginInternalSubTransaction. This is to allow implementing
exception handling, e.g. in PL/pgSQL. ReleaseCurrentSubTransaction and exception handling, e.g. in PL/pgSQL. ReleaseCurrentSubTransaction and
RollbackAndReleaseCurrentSubTransaction allows the subsystem to close said RollbackAndReleaseCurrentSubTransaction allows the subsystem to close said
subtransactions. The main difference between this and the savepoint/release subtransactions. The main difference between this and the savepoint/release
path is that we execute the complete state transition immediately in each path is that we execute the complete state transition immediately in each
subroutine, rather than deferring some work until CommitTransactionCommand. subroutine, rather than deferring some work until CommitTransactionCommand.
Another difference is that BeginInternalSubtransaction is allowed when no Another difference is that BeginInternalSubTransaction is allowed when no
explicit transaction block has been established, while DefineSavepoint is not. explicit transaction block has been established, while DefineSavepoint is not.