17.00 - Monitor Interface Table - Parallel Data Pump

Teradata® Parallel Data Pump Reference

prodname
Parallel Data Pump
vrm_release
17.00
created_date
June 2020
category
Programming Reference
featnum
B035-3021-220K

Use SQL scripts shipped with Teradata TPump to create a Monitor Interface Table (SysAdmin.TPumpStatusTbl) in the database where Teradata TPump maintains information about an import. Teradata TPump both reads commands from and updates status in the Monitor Interface Table.

This table is required in order to use the Teradata TPump Monitor functionality, but is otherwise optional. If the table does not exist, the worst that will happen is that Teradata TPump issues a warning message indicating this fact.

This table must be secure, so it is created by the DBA.

An SQL script tpumpar.csql is provided in the Teradata TPump installation that performs the appropriate setup. The tpumpar.csql script includes an action request.

The following table contains the monitor interface columns (other columns exist in order to support future functionality).

Monitor Interface Table 
Name Type Notes
Import INTEGER Part of primary index. The import number. (There may be multiple imports in a Teradata TPump job.
InitStartDate DATE The initial start date of the import.
InitStartTime FLOAT The initial start time of the import.
Complete CHAR(1) Y if this import is complete. (There may be multiple imports.)
CurrStartDate DATE The last date this import was started (may be a restart).
CurrStartTime FLOAT The last time this import was started (may be a restart).
LastUpdateDate DATE The last date this import updated the table.
LastUpdateTime FLOAT The last time this import updated the table.
LogDB VARCHAR(32) Part of primary index. The name of the log table database.
LogTable VARCHAR(32) Part of primary index. The name of the log table.
PeriodsDesired INTEGER Allows specifying the desired periodicity.
PleaseAbort CHAR(1) Set to Y to abort.
RecordsErrored INTEGER The number of records resulting in errors on the database.
RecordsOut INTEGER The number of statements sent to the database.
RecordsSkipped INTEGER The number of records skipped for apply conditions.
RecordsRejcted INTEGER The number of records rejected for bad data (on host)
RecordsRead INTEGER The number of records read.
RequestAction CHAR(1) Before processing any action request, a message will be logged stating that the requested action is being taken. The following action requests are permitted:
  • Blank – No action
  • C – Take a checkpoint and continue the job
  • P – Take a checkpoint and pause until a subsequent action request resumes or terminates the job
  • R – Resume the job
  • T – Take a checkpoint and terminate the job with rc = 8. The job may be restarted.
  • A – Terminate the job immediately with rc = 12. The job may be restarted.
RequestChange CHAR(1) Set to Y by the user so Teradata TPump will pick up the changes. Set to N by Teradata TPump after changes are accepted.
RestartCount INTEGER The number of times this import has been restarted.
StmtsDesired INTEGER The statement rate (if StmtsUnLimited is N)
StmtsUnLimited CHAR(1) Y if this import running without a statement rate limit.

If N, refer to StmtsDesired for the statement rate.

UserName VARCHAR(32) The name of the user running the job. Used for security.

Security concerns dictate that the SQL script to set up the Monitor Interface table for Teradata TPump monitoring also establishes a set of views and macros in addition to the TPumpStatusTbl. Although database administrators can access the table directly, using macros and views is recommended because they provide for security and ensure rational use of the table.

Without action on the part of the database administrator, no normal user can update the status of jobs. To grant controlled update access to the TPumpStatusTbl, a single command will suffice:

“GRANT EXEC ON TPumpMacro TO _____;”

The macros for Teradata TPump monitoring reside in the database TPumpMacro and SysAdmin.