if hamsterToy.Name != hamster.OtherToy.Name {
		t.Errorf("Should find has one polymorphic association")
	}

	// Append
	DB.Model(&hamster).Association("PreferredToy").Append(&Toy{
		Name: "bike 2",
	})

	DB.Model(&hamster).Association("OtherToy").Append(&Toy{
		Name: "treadmill 2",
	})

	hamsterToy = Toy{}
	DB.Model(&hamster).Association("PreferredToy").Find(&hamsterToy)

            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

        monitorTarget.append(buf, "key1", () -> "value1");
        buf.append(",");
        monitorTarget.append(buf, "key2", () -> 123);
        buf.append(",");
        monitorTarget.append(buf, "key3", () -> null);

        assertEquals("\"key1\":\"value1\",\"key2\":123,\"key3\":null", buf.toString());
    }

    // Test append with empty string
    @Test

		case HasOne:
			schema.Relationships.HasOne = append(schema.Relationships.HasOne, relation)
		case HasMany:
			schema.Relationships.HasMany = append(schema.Relationships.HasMany, relation)
		case BelongsTo:
			schema.Relationships.BelongsTo = append(schema.Relationships.BelongsTo, relation)
		case Many2Many:
			schema.Relationships.Many2Many = append(schema.Relationships.Many2Many, relation)
		}
	}

	o = append(o, 0xa2, 0x6c, 0x75)
	o = msgp.AppendTime(o, z.LastUpdate)
	// string "ra"
	o = append(o, 0xa2, 0x72, 0x61)
	o = msgp.AppendInt(o, z.RetryAttempts)
	// string "at"
	o = append(o, 0xa2, 0x61, 0x74)
	o = msgp.AppendInt(o, z.Attempts)
	// string "cmp"
	o = append(o, 0xa3, 0x63, 0x6d, 0x70)
	o = msgp.AppendBool(o, z.Complete)
	// string "fld"
	o = append(o, 0xa3, 0x66, 0x6c, 0x64)
	o = msgp.AppendBool(o, z.Failed)

        buf.append("{\"@timestamp\":\"").append(valueMap.remove("time")).append('"');
        buf.append(",\"log.level\":\"INFO\"");
        buf.append(",\"ecs.version\":\"").append(ecsVersion).append('"');
        buf.append(",\"service.name\":\"").append(ecsServiceName).append('"');
        buf.append(",\"event.dataset\":\"").append(ecsEventDataset).append('"');

        commandWithRetry.append(indent).append("  ").append(command).append(" && \n");
        commandWithRetry.append(indent).append("  exit_code=0 && break || \n");
        commandWithRetry.append(indent);
        commandWithRetry.append("    exit_code=$? && echo \"").append(name).append(" error: retry $iter in 10s\" && sleep 10; \n");
        commandWithRetry.append(indent).append("done; \n");

        StringBuilder message = new StringBuilder();
        message.append(action).append(' ').append(direction).append(' ').append(resource.getRepositoryId());
        message.append(": ");
        message.append(resource.getRepositoryUrl())
                .append(resource.getResourceName())
                .append(" (");
        format.format(message, contentLength);

        Duration duration =

            buf.append('"').append(StringEscapeUtils.escapeJson(format)).append('"');
        } else if (value instanceof String[]) {
            final String json = Arrays.stream((String[]) value)
                    .map(s -> "\"" + StringEscapeUtils.escapeJson(s) + "\"")
                    .collect(Collectors.joining(","));
            buf.append('[').append(json).append(']');
        } else if (value instanceof List) {

        message.append(action).style(STYLE).append(' ').append(direction).append(' ');
        message.resetStyle().append(resource.getRepositoryId());
        message.style(STYLE).append(": ").append(resource.getRepositoryUrl());
        message.resetStyle().append(resource.getResourceName());
        message.style(STYLE).append(" (").append(format.format(contentLength));