Introduce resultTransformer.first
#1200
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**⚠️ This API is released as preview.** This function enables fetching only the first record in the Result. If any other record is present, it will be discarded and network optimization might be applied. Examples: ```javascript // using in the execute query const maybeFirstRecord = await driver.executeQuery('MATCH (p:Person{ age: $age }) RETURN p.name as name', { age: 25 }, { database: 'neo4j, resultTransformer: neo4j.resultTransformers.first() }) ``` ```javascript // using in other a result const maybeFirstRecord = await session.executeRead(tx => { // do not `await` or `resolve` the result before send it to the transformer const result = tx.run('MATCH (p:Person{ age: $age }) RETURN p.name as name', { age: 25 }) return neo4j.resultTransformers.first()(result) }) ``` **⚠️ This API is released as preview.**
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This function enables fetching only the first record in the Result. If any other record is present, it will be discarded and network optimization might be applied.
Examples: