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constrain.js
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32 lines (30 loc) · 941 Bytes
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import {
identifierToSql,
toUpper,
hasVal,
} from './util'
import { indexTypeAndOptionToSQL } from './index-definition'
import { columnReferenceDefinitionToSQL } from './column'
function constraintDefinitionToSQL(constraintDefinition) {
if (!constraintDefinition) return
const {
constraint,
constraint_type: constraintType,
enforced,
index,
keyword,
reference_definition: referenceDefinition,
} = constraintDefinition
const constraintSQL = []
constraintSQL.push(toUpper(keyword))
constraintSQL.push(identifierToSql(constraint))
constraintSQL.push(toUpper(constraintType))
constraintSQL.push(identifierToSql(index))
constraintSQL.push(...indexTypeAndOptionToSQL(constraintDefinition))
constraintSQL.push(...columnReferenceDefinitionToSQL(referenceDefinition))
constraintSQL.push(toUpper(enforced))
return constraintSQL.filter(hasVal).join(' ')
}
export {
constraintDefinitionToSQL,
}