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50 lines
2.5 KiB
Markdown
50 lines
2.5 KiB
Markdown
---
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title: Root Cause Analysis
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slug: /how-to-guides/data-quality-observability/incident-manager/root-cause-analysis
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---
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# Root Cause Analysis
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## Failed Rows Sample
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Some tests will produce a failed sample upon failure. This allows the platform users to understand the nature of the failure and take corrective actions. The failed sample will be a subset of the rows that failed the test.
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The sample will be collected when the option `computePassedFailedRowCount` is set.
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### Supported Test Definitions
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- [Column Values to Be Not Null](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-not-null)
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- [Column Values to Match Regex](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-match-regex)
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- [Column Values to not Match Regex](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-not-match-regex)
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- [Column Values to Be in Set](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-in-set)
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- [Column Values to Be Not In Set](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-not-in-set)
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- [Column Values to Be Between](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-between)
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- [Column Values Lengths to Be Between](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-lengths-to-be-between)
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- [Custom SQL](/how-to-guides/data-quality-observability/quality/tests-yaml#table-custom-sql-test)
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### Deleting Sample Rows
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If you wish to delete sample rows, you can do so by clicking on the three dots above the table of sample rows. This will open a window with the `Delete` option. Note that failed sample rows will automatically be deleted upon test success.
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{% image
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src="/images/v1.4/features/ingestion/workflows/data-quality/sample-row-failure-deletion.png"
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alt="set compute row count"
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/%}
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### Example
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{% image
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src="/images/v1.4/features/ingestion/workflows/data-quality/set_compute_row_count.png"
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alt="set compute row count"
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/%}
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## Inspection Query
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Supported test will generate an inspection query upon failure. This query can be run on the source data to understand
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the nature of the failure and take corrective actions.
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This query can be added to the table and shared with other users.
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