@directus/api/dist/database/migrations/20210927A-replace-fields-group.js

Directus is a real-time API and App dashboard for managing SQL database content

import { getHelpers } from "../helpers/index.js";
import { uniq } from "lodash-es";

//#region src/database/migrations/20210927A-replace-fields-group.ts
async function up(knex) {
	const helpers = getHelpers(knex);
	const groupsInUse = await knex.select("id", "group").from("directus_fields").whereNotNull("group");
	const groupIDs = uniq(groupsInUse.map(({ group }) => group));
	const groupFields = await knex.select("id", "field").from("directus_fields").whereIn("id", groupIDs);
	const groupMap = /* @__PURE__ */ new Map();
	for (const { id, field } of groupFields) groupMap.set(id, field);
	await knex.schema.alterTable("directus_fields", (table) => {
		table.dropForeign("group");
	});
	await knex.schema.alterTable("directus_fields", (table) => {
		table.dropColumn("group");
	});
	await knex.schema.alterTable("directus_fields", (table) => {
		table.string("group", helpers.schema.getColumnNameMaxLength());
	});
	for (const { id, group } of groupsInUse) await knex("directus_fields").update({ group: groupMap.get(group) }).where({ id });
}
async function down(knex) {
	const fieldsThatUseAGroup = await knex.select("id", "collection", "group").from("directus_fields").whereNotNull("group");
	if (fieldsThatUseAGroup.length === 0) return;
	const groupMap = /* @__PURE__ */ new Map();
	for (const { collection, group } of fieldsThatUseAGroup) {
		const { id } = await knex.select("id").from("directus_fields").where({
			collection,
			field: group
		}).first();
		groupMap.set(group, id);
	}
	await knex.schema.alterTable("directus_fields", (table) => {
		table.dropColumn("group");
	});
	await knex.schema.alterTable("directus_fields", (table) => {
		table.integer("group").references("id").inTable("directus_fields");
	});
	for (const { id, group } of fieldsThatUseAGroup) await knex("directus_fields").update({ group: groupMap.get(group) }).where({ id });
}

//#endregion
export { down, up };