Data Management & Result Logging Flashcards
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Read the first 7 Data Management & Result Logging flashcards as text
What is the recommended approach in TestStand to prevent the result listener from blocking the test execution thread when writing to a slow database?
Answer: Use asynchronous logging by offloading database writes to a worker thread
Asynchronous logging offloads database write operations to a separate worker thread so that the test execution thread is not blocked waiting for slow I/O operations to complete.
In the TestStand database schema, which column in the STEP_RESULT table indicates whether a step passed or failed?
Answer: STATUS
The STATUS column in the STEP_RESULT table stores the pass/fail/error status string for each test step result logged to the database.
When a TestStand sequence calls a subsequence, how are the subsequence's step results represented in the result list hierarchy?
Answer: Nested under the calling step's result as child results
Subsequence step results are nested as child results under the sequence call step in the parent's result list, preserving the hierarchical execution structure.
Which TestStand feature allows administrators to configure how long test result data is retained in the database before automatic deletion?
Answer: Database Logger configuration with a data retention policy or purge stored procedure
Data retention and purging are typically managed through the Database Logger configuration and/or database-side stored procedures or jobs that remove records older than a configured threshold.
What is the role of the 'Batch Serial Number' in TestStand result logging?
Answer: It provides a human-readable label for a group of UUTs tested in the same batch run
The Batch Serial Number is a user-assigned identifier that labels a group of UUT results belonging to the same batch execution, enabling traceability at the batch level.
Which TestStand API call retrieves a specific property value from a step result stored in the RunState.ResultList for custom post-processing?
Answer: ResultList.GetPropertyObject() with a path expression
ResultList.GetPropertyObject() with a property path expression (e.g., 'Result.Status') is the standard API for navigating and retrieving properties from result list entries.
When deploying a TestStand system to production, what is the best practice for managing database connection strings used by the result listener?
Answer: Store the connection string in a station globals file or external configuration file that can be updated without modifying sequences
Storing the database connection string in a station globals file or external configuration file separates environment-specific settings from sequence logic, enabling deployment to multiple environments without sequence edits.