hunk.code_window:      * Builds and returns SQL for create table.
        */
       protected createTableSql(table: Table, createForeignKeys?: boolean): Query {
           const columnDefinitions = table.columns.map(column => this.buildCreateColumnSql(column)).join(", ");
           let sql = `CREATE TABLE ${this.escapePath(table.name)} (${columnDefinitions}`;
           table.columns
               .filter(column => column.isUnique)
               .forEach(column => {
  
hunk.labels: keep keep keep keep replace keep keep keep keep
hunk.after_edit:         let sql = `CREATE TABLE ${this.escapePath(table)} (${columnDefinitions}`;
  
hunk.file_path: src/driver/oracle/OracleQueryRunner.ts
hunk.type: replace
file: import "reflect-metadata";
  import {createTestingConnections, closeTestingConnections, reloadTestingDatabases} from "../../utils/test-utils";
  import {Connection} from "../../../src/connection/Connection";
  import {expect} from "chai";
  import {User} from "./entity/User";
  
  describe("github issues > #4220 Fix the bug when using buffer as the key.", () => {
  
      let connections: Connection[];
      before(async () => connections = await createTestingConnections({
          entities: [__dirname + "/entity/*{.js,.ts}"],
          schemaCreate: true,
          dropSchema: true,
          enabledDrivers: ["mysql", "mssql"],
      }));
      beforeEach(() => reloadTestingDatabases(connections));
      after(() => closeTestingConnections(connections));
  
      it("should use the hex string format of buffer when the primary column is buffer type.", () => Promise.all(connections.map(async connection => {
         const ids = [
          "11E9845B84B510E0A99EDBC51EED5BB5",
          "11E9845B84C27E60A99EDBC51EED5BB5",
          "11E9845B84D961C0A99EDBC51EED5BB5",
          "11E9845B84DD8070A99EDBC51EED5BB5",
          "11E9845B84E102E0A99EDBC51EED5BB5",
          "11E9845B84E4D370A99EDBC51EED5BB5",
          "11E9845B84E855E0A99EDBC51EED5BB5",
          "11E9845B84EBD850A99EDBC51EED5BB5",
          "11E9845B84EFF700A99EDBC51EED5BB5",
          "11E9845B84F415B0A99EDBC51EED5BB5",
          "11E9845B84FA5740A99EDBC51EED5BB5",
          "11E9845B84FEC410A99EDBC51EED5BB5",
          "11E9845B850C0A80A99EDBC51EED5BB5",
          "11E9845B850FB400A99EDBC51EED5BB5",
          "11E9845B85138490A99EDBC51EED5BB5",
          "11E9845B851950F0A99EDBC51EED5BB5",
          "11E9845B851D6FA0A99EDBC51EED5BB5",
          "11E9845B85214030A99EDBC51EED5BB5",
          "11E9845B852510C0A99EDBC51EED5BB5",
         ];
  
         const repo = await connection.getRepository(User);
  
          await Promise.all(
          [...Array(10)].map((_, index) => {
              const user = new User();
              user.name = "random-name";
              user.id = Buffer.from(ids[index], "hex");  
              return user;   
          }).map(user => repo.save(user))
        );
  
        const result = await repo
        .createQueryBuilder("user")
        .getMany();
  
        expect(result.length).equal(10);
        expect(result[0].id.toString("hex").toUpperCase()).equal(ids[0]);
      })));
  });
  