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Oracle Distributed Systems
book

Oracle Distributed Systems

by Charles Dye
April 1999
Intermediate to advanced content levelIntermediate to advanced
552 pages
15h 39m
English
O'Reilly Media, Inc.
Content preview from Oracle Distributed Systems

Name

DBMS_DEFER_SYS.PURGE (Oracle8 Only)

Synopsis

The PURGE procedure purges transactions that have been propagated from the deferred transaction queue.

FUNCTION DBMS_DEFER_SYS.PURGE(
   purge_method IN BINARY_INTEGER := purge_method_quick,
   rollback_segment IN VARCHAR2 := NULL,
   startup_seconds IN BINARY_INTEGER := 0,
   execution_seconds IN BINARY_INTEGER := seconds_infinity,
   delay_seconds IN BINARY_INTEGER := 0,
   transaction_count IN BINARY_INTEGER := transactions_infinity,
   write_trace IN BOOLEAN := FALSE )
RETURN BINARY_INTEGER;

Parameters

Parameter Name

Description

purge_method

1 = purge_method_quick (not necessarily complete, but faster).

2 = purge_method_precise (complete purge).

rollback_segment

Which rollback segment should be used.

startup_seconds

Maximum number of seconds to wait for the completion of a previous push to the same destination.

execution_seconds

If > 0, maximum number of seconds to spend executing transactions.

delay_seconds

If > 0, routine sleeps for this many seconds before resuming when there are no more transactions to push to destination.

transaction_count

Maximum number of transactions to push per execution.

write_trace

If TRUE, record result in a trace file.

The return values for PURGE are listed in the following table:

Value

Meaning

0

Normal completion after delay_seconds expired

1

Terminated by lock timeout while starting

2

Terminated by exceeding execution_seconds

3

Terminated by exceeding transaction_count

4

Terminated at delivery_order_limit

5

Terminated after errors

Exceptions

Exception ...

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Publisher Resources

ISBN: 1565924320Supplemental ContentCatalog PageErrata