6.159 DBA_XSTREAM_SPLIT_MERGE_HIST

DBA_XSTREAM_SPLIT_MERGE_HIST displays information about past XStream 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_XSTREAM_NAME

VARCHAR2(128)

Name of the original XStream component that receives database changes directly from the original capture process. The component is either a progagation or a local apply process.

CLONED_XSTREAM_NAME

VARCHAR2(128)

Name of the cloned XStream component that receives database changes directly from the cloned capture process. The component is either a progagation or a local apply process.

XSTREAM_TYPE

VARCHAR2(11)

Type of the component in ORIGINAL_XSTREAM_NAME and CLONED_XSTREAM_NAME:

  • PROPAGATION

  • APPLY

RECOVERABLE_SCRIPT_ID

RAW(16)

Unique ID of the script to split or merge operation

SCRIPT_STATUS

VARCHAR2(12)

Status of the recoverable script:

  • GENERATING

  • NOT EXECUTING

  • 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 progress

  • SPLIT DONE - A split is done

  • NOTHING TO MERGE - Not ready to merge

  • ABOUT TO MERGE

  • MERGING - A merge is in progress

  • 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