AI-generated Key Takeaways
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Return summary row settings are controlled by an enum with five possible values.
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These values determine whether a summary row is included, and if so, whether it is returned with results, alone in the last batch, or without any results.
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The available settings include
UNSPECIFIED,UNKNOWN,NO_SUMMARY_ROW,SUMMARY_ROW_WITH_RESULTS, andSUMMARY_ROW_ONLY. 
Enum describing return summary row settings.
| Enums | |
|---|---|
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                Not specified. | 
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                Represent unknown values of return summary row. | 
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                Do not return summary row. | 
 | 
                Return summary row along with results. The summary row will be returned in the last batch alone (last batch will contain no results). | 
 | 
                Return summary row only and return no results. |