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Calculated

Used to define calculated entity getters. The decorator simply attaches an array of "calculated" property names to the entity's prototype. This array is then used by the CalculatedPropertySubscriberto transfer the getter function from the prototype to the entity instance.

Signature

Parameters

queryInstruction

Optional metadata used to tell the ListQueryBuilder & Relations decorator how to deal with calculated columns when sorting, filtering and deriving required relations from GraphQL operations.

Signature

relations

propertystring[]

If the calculated property depends on one or more relations being present on the entity (e.g. an Order entity calculating the totalQuantity by adding up the quantities of each OrderLine), then those relations should be defined here.

query

property(qb: SelectQueryBuilder<any>) => void

expression

propertystring
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Edited Feb 25, 2026ยทEdit this page