Extended Archive Functions

Extended Archive Functions provide a means of retrieving values from the PI Data Archive. These extensions to the PI-API add the capability of accessing string values and timestamps that include sub-second portions. The extended functions are as follows:

Function Description
piar_getarcvaluesx Retrieve evenly spaced or compressed Archive data.
piar_getarcvaluesfilterx Retrieve an array of values which are filtered by the passed expression.
piar_getarcvaluex Retrieve a single Archive value.
piar_putarcvaluesx Put an array of values into the Archive.
piar_putarcvaluex Put a single value into the Archive value.

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