exponential_histogram_null() -> exponential_histogram

Creates a null value of type otelExponentialHistogram.

otelExponentialHistogram type is useful for storing OpenTelemetry exponential histograms.

Domain

This is a scalar function (calculates a single output value for a single input row).

Categories

• Misc

Examples

make_col h:case(type="OTEL Exponential Histogram", x, true, exponential_histogram_null())

Create a column 'h' containing the value from column x when the value of type equals "OTEL Exponential Histogram", else containing a null exponential histogram.