Function mkCreate

src/utils/migrations/diffToSQL.js:628–629

(arr, unique = false)

                const ifNotExists =
                  database === DB.SQLITE ? "IF NOT EXISTS " : "";
                const mkCreate = (arr, unique = false) =>
                  `CREATE ${unique ? "UNIQUE " : ""}INDEX ${ifNotExists}${q(indexName)} ON ${q(name)} (${idxFields(arr)});`;
                up.push(dropIdx);
                up.push(mkCreate(change.to));
                down.push(dropIdx);