29 lines
818 B
JavaScript
29 lines
818 B
JavaScript
/// <reference types="./unique-constraint-node.d.ts" />
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import { freeze } from '../util/object-utils.js';
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import { ColumnNode } from './column-node.js';
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import { IdentifierNode } from './identifier-node.js';
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/**
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* @internal
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*/
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export const UniqueConstraintNode = freeze({
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is(node) {
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return node.kind === 'UniqueConstraintNode';
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},
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create(columns, constraintName, nullsNotDistinct) {
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return freeze({
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kind: 'UniqueConstraintNode',
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columns: freeze(columns.map(ColumnNode.create)),
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name: constraintName
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? IdentifierNode.create(constraintName)
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: undefined,
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nullsNotDistinct,
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});
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},
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cloneWith(node, props) {
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return freeze({
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...node,
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...props,
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});
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},
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});
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