9 lines
284 B
JavaScript
9 lines
284 B
JavaScript
const cds = require('@sap/cds')
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module.exports = cds.service.impl (async function() {
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const {Books} = cds.entities
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const {ID} = await SELECT.one.from(Books).columns('max(ID) as ID')
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let newID = ID - ID % 100 + 100
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this.before ('NEW','Books', req => req.data.ID = ++newID)
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})
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