@aws-cdk/aws-redshift-alpha
Version:
The CDK Construct Library for AWS::Redshift
33 lines • 4.88 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.makePhysicalId = makePhysicalId;
exports.getDistKeyColumn = getDistKeyColumn;
exports.getSortKeyColumns = getSortKeyColumns;
exports.areColumnsEqual = areColumnsEqual;
function makePhysicalId(resourceName, clusterProps, requestId) {
return `${clusterProps.clusterName}:${clusterProps.databaseName}:${resourceName}:${requestId}`;
}
function getDistKeyColumn(columns) {
// string comparison is required for custom resource since everything is passed as string
const distKeyColumns = columns.filter(column => column.distKey === true || column.distKey === 'true');
if (distKeyColumns.length === 0) {
return undefined;
}
else if (distKeyColumns.length > 1) {
throw new Error('Multiple dist key columns found');
}
return distKeyColumns[0];
}
function getSortKeyColumns(columns) {
// string comparison is required for custom resource since everything is passed as string
return columns.filter(column => column.sortKey === true || column.sortKey === 'true');
}
function areColumnsEqual(columnsA, columnsB) {
if (columnsA.length !== columnsB.length) {
return false;
}
return columnsA.every(columnA => {
return columnsB.find(column => column.name === columnA.name && column.dataType === columnA.dataType);
});
}
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