03-29-2018
Just a little warning
Just to bring your attention about the fact that Scrutinizer's code assumes that multiples occurrences of a transaction in "spend file/sendfile" must be sequential ... (since the display of computing is dynamic rather than post-processed in an END{...} block )
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bsmsftp
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Hi
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CD
HT
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How to find count total number of pattern in a file …
File contains : a.txt
-------------
aaa bbb nnn
ccc aaa bbb
aaa ddd aaa
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1.1.1.3
1.1.2.1
1.1.2.2
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1.1.3.2
1.1.3.3
1.1.3.4
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LEARN ABOUT CENTOS
rollback_prepared
ROLLBACK
PREPARED(7) PostgreSQL 9.2.7 Documentation ROLLBACK PREPARED(7)
NAME
ROLLBACK_PREPARED - cancel a transaction that was earlier prepared for two-phase commit
SYNOPSIS
ROLLBACK PREPARED transaction_id
DESCRIPTION
ROLLBACK PREPARED rolls back a transaction that is in prepared state.
PARAMETERS
transaction_id
The transaction identifier of the transaction that is to be rolled back.
NOTES
To roll back a prepared transaction, you must be either the same user that executed the transaction originally, or a superuser. But you do
not have to be in the same session that executed the transaction.
This command cannot be executed inside a transaction block. The prepared transaction is rolled back immediately.
All currently available prepared transactions are listed in the pg_prepared_xacts system view.
EXAMPLES
Roll back the transaction identified by the transaction identifier foobar:
ROLLBACK PREPARED 'foobar';
COMPATIBILITY
ROLLBACK PREPARED is a PostgreSQL extension. It is intended for use by external transaction management systems, some of which are covered
by standards (such as X/Open XA), but the SQL side of those systems is not standardized.
SEE ALSO
PREPARE TRANSACTION (PREPARE_TRANSACTION(7)), COMMIT PREPARED (COMMIT_PREPARED(7))
PostgreSQL 9.2.7 2014-02-17 ROLLBACK PREPARED(7)