}

	// Left JOIN w/o WHERE
	result, err = db.Joins(clause.LeftJoin.Association("Company"), nil).Where(map[string]any{"name": u.Name}).First(ctx)
	if err != nil {
		t.Fatalf("Joins failed: %v", err)
	}
	if result.Name != u.Name || result.Company.Name != u.Company.Name {
		t.Fatalf("Joins expected %s, got %+v", u.Name, result)
	}

	// Left JOIN + Alias WHERE

	Distinct             bool
	Selects              []string          // selected columns
	Omits                []string          // omit columns
	ColumnMapping        map[string]string // map columns
	Joins                []join
	Preloads             map[string][]interface{}
	Settings             sync.Map
	ConnPool             ConnPool
	Schema               *schema.Schema
	Context              context.Context
	RaiseErrorOnNotFound bool

                urlFilter.addExclude(".*\\.type" + i + "$");
            }
        });

        thread1.start();
        thread2.start();

        thread1.join();
        thread2.join();

        // Should complete without errors
        assertNotNull(urlFilter);
    }

    /**
     * Test boundary conditions
     */
    public void test_boundaryConditions() {

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify results
        assertTrue(exceptions.isEmpty());
        assertEquals(threadCount * objectsPerThread, createdComponents.size());

		if on != nil {
			if err := on(&q, clause.Table{Name: jt.Table}, clause.Table{Name: clause.CurrentTable}); err != nil {
				db.AddError(err)
			}
		}

		j := join{
			Name:     jt.Association,
			Alias:    jt.Table,
			Selects:  q.db.Statement.Selects,
			Omits:    q.db.Statement.Omits,
			JoinType: jt.Type,
		}

	a := make([][]byte, len(spans))
	for i, span := range spans {
		a[i] = s[span.start:span.end:span.end]
	}

	return a
}

// Join concatenates the elements of s to create a new byte slice. The separator
// sep is placed between elements in the resulting slice.
func Join(s [][]byte, sep []byte) []byte {
	if len(s) == 0 {
		return []byte{}
	}
	if len(s) == 1 {
		// Just return a copy.

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify no exceptions
        assertTrue(exceptions.isEmpty());
    }

    /**
     * Test memory reference equality
     */

        builder.append(JavaVersion.CURRENT.typeName(ownerType)).append('.');
      }
      return builder
          .append(rawType.getName())
          .append('<')
          .append(COMMA_JOINER.join(transform(argumentsList, JavaVersion.CURRENT::typeName)))
          .append('>')
          .toString();
    }

    @Override
    public int hashCode() {

        // Start all threads
        for (Thread thread : threads) {
            thread.start();
        }

        // Wait for all threads
        for (Thread thread : threads) {
            thread.join();
        }

        // Verify results
        assertTrue(exceptions.isEmpty());
        assertEquals(threadCount / 2 * matchesPerThread, matchCount.get());

    }

    TypeVariable<?> captureAsTypeVariable(Type[] upperBounds) {
      String name =
          "capture#" + id.incrementAndGet() + "-of ? extends " + Joiner.on('&').join(upperBounds);
      return Types.newArtificialTypeVariable(WildcardCapturer.class, name, upperBounds);
    }

    private WildcardCapturer forTypeVariable(TypeVariable<?> typeParam) {