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Oracle® Database Reference
12c Release 1 (12.1)

E17615-23
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DBA_STREAMS_SPLIT_MERGE_HIST

DBA_STREAMS_SPLIT_MERGE_HIST displays information about past Streams automatic split and merge operations.

Column Datatype NULL Description
ORIGINAL_CAPTURE_NAME VARCHAR2(128) NOT NULL Name of the original capture process
CLONED_CAPTURE_NAME VARCHAR2(128)   Name of the cloned capture process
ORIGINAL_QUEUE_OWNER VARCHAR2(128)   Owner of the queue used by the original capture process
ORIGINAL_QUEUE_NAME VARCHAR2(128)   Name of the queue used by the original capture process
CLONED_QUEUE_OWNER VARCHAR2(128)   Owner of the queue used by the cloned capture process
CLONED_QUEUE_NAME VARCHAR2(128)   Name of the queue used by the cloned capture process
ORIGINAL_CAPTURE_STATUS VARCHAR2(8)   Status of the original capture process:
  • DISABLED

  • ENABLED

  • ABORTED

CLONED_CAPTURE_STATUS VARCHAR2(8)   Status of the cloned capture process:
  • DISABLED

  • ENABLED

  • ABORTED

ORIGINAL_STREAMS_NAME VARCHAR2(128)   Name of the original Oracle Streams component that receives database changes directly from the original capture process. The component is either a propagation or a local apply process.
CLONED_STREAMS_NAME VARCHAR2(128)   Name of the cloned Oracle Streams component that receives database changes directly from the cloned capture process. The component is either a propagation or a local apply process.
STREAMS_TYPE VARCHAR2(11)   Type of the component in ORIGINAL_STREAMS_NAME and CLONED_STREAMS_NAME:
  • PROPAGATION

  • APPLY

RECOVERABLE_SCRIPT_ID RAW(16)   Unique ID of the script performing the split or merge operation
SCRIPT_STATUS VARCHAR2(12)   State of the recoverable script:
  • GENERATING

  • NOT EXECUTED

  • EXECUTING

  • EXECUTED

  • ERROR

ACTION_TYPE VARCHAR2(7)   Type of action performed by the script:
  • SPLIT

  • MERGE

  • MONITOR

ACTION_THRESHOLD VARCHAR2(40)   For SPLIT actions, the threshold set by the split_threshold capture process parameter. For MERGE actions, the threshold set by the merge_threshold capture process parameter.
STATUS VARCHAR2(16)   Status of the action:
  • NOTHING TO SPLIT - Not ready to split or does not need to split

  • ABOUT TO SPLIT

  • SPLITTING - A split is in process

  • SPLIT DONE - A split is done

  • NOTHING TO MERGE - Not ready to merge

  • ABOUT TO MERGE

  • MERGING - A merge is in process

  • MERGE DONE - A merge is done

  • ERROR - An error was returned during a split or merge

  • NONSPLITTABLE - The original capture is not splittable either because it is disabled, it has more than one publisher to its queue, or it has only one destination for captured messages

STATUS_UPDATE_TIME TIMESTAMP(6)   Time when status was last updated
CREATION_TIME TIMESTAMP(6)   Time when the action started
LAG NUMBER   Time (in seconds) that the cloned capture process lags behind the original capture process
JOB_OWNER VARCHAR2(128)   Owner of the job that performs the split or merge operation
JOB_NAME VARCHAR2(128)   Name of the job that performs the split or merge operation
ERROR_NUMBER NUMBER   Error number if the capture process was aborted
ERROR_MESSAGE VARCHAR2(4000)   Error message if the capture process was aborted