December 2018
Intermediate to advanced
222 pages
6h 6m
English
Content preview from Blockchain Quick Start Guide
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Query file (.qry)
A query file defines the queries that are used to return data about the blockchain world state. The query syntax is quite similar to SQL language, for example:
query queryName { description: "Select SampleAsset by assetId " statement: SELECT org.example.basic.SampleAsset WHERE (_$assetId = assetId)}
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