Summary
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contains(attribute_name, substring)
contains returns true if the specified attribute has a string value that includes
the provided case-insensitive substring. It will always return false for non-string
attributes.
Supported Pipelines: spans, metric, logs
Applicable Stages: filter, spans_sample, trace_filter
contains cannot be used on tokenized attributes in log messages.
Arguments
| Name | Type | Required/Optional | Description |
|---|---|---|---|
| attribute_name | string | Required | Name of the attribute in whose value to search |
| substring | string | Required | String to search for in the attribute value |
Examples
Filter query results
The following query will show the counts of all spans grouped by service.
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spans count
| delta
| group_by ["service"], sum
You can use contains to filter results to those with a subset of attribute values,
e.g. a specific API version by searching for the substring “/api/v3”.
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spans count
| delta
| filter contains(operation, "/api/v3")
| group_by ["service"], sum
See also
Updated Sep 21, 2023