composer-tutorial/queries.qry at master · yipcma/composer-tutorial · GitHub

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/** Sample queries for Commodity Trading business network
*/

query selectCommodities {
  description: "Select all commodities"
  statement:
      SELECT org.acme.biznet.Commodity
}

query selectCommoditiesByExchange {
  description: "Select all commodities based on their main exchange"
  statement:
      SELECT org.acme.biznet.Commodity
          WHERE (mainExchange==_$exchange)
}

query selectCommoditiesByOwner {
  description: "Select all commodities based on their owner"
  statement:
      SELECT org.acme.biznet.Commodity
          WHERE (owner == _$owner)
}

query selectCommoditiesWithHighQuantity {
  description: "Select commodities based on quantity"
  statement:
      SELECT org.acme.biznet.Commodity
          WHERE (quantity > 60)
}