OPAL Special Functions¶
Special functions implement flow control-like structures or other control semantics.
Function |
Description |
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Return a matching |
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Grouping/partitioning in which to process data. |
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Select a metric for the align verb. |
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Select the metrics in the rollup verb. |
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Specify options to change the verb’s behavior |
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Specify the primary key for some verbs |
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Specify the validity period for each event for some verbs |
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Evaluates its argument in windowed context, partitioned over the given grouping and ordered by the given ordering (by default |