Description
This block is used to apply a delta between values.
Implementation
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Drag and drop a delta block from the palette in a data strategy
Properties
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Artifacts: Artifacts created by this block
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Target: the table on which the delta will be applied.
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StatusPolicy {Union, Intersection}: Define how the delta on the status will be computed:Union: Sum of the two statuses. Ex: the union of {fault, down, alarm} and {alarm} is {fault, alarm, down}Intersection: Common parts of the two statuses. Ex: the intersection of {fault, down, alarm} and {alarm} is {alarm}
Advanced Properties
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DeltaPolicy {Previous, Next}: How the delta will be computedPrevious: the result in a given row will be the delta of the current row and the previous oneNext: the result in a given row will be the delta of the next row and the current one