## Enabling Parquet Format

Parquet is DISABLED by default since hostile crafted input can easily crash the server.

If you are in a controlled environment where it is safe to assume no hostile content can be uploaded to your cluster you can safely enable Parquet.
To enable Parquet set the environment variable `MINIO_API_SELECT_PARQUET=on`.

## Example using Python API

### 1. Prerequisites

        saveInfo(messages -> messages.addSuccessDeletePlugin(GLOBAL, artifact.getFileName()));
        return redirect(getClass());
    }

    /**
     * Installs a plugin from either an uploaded JAR file or from the available artifacts.
     *
     * @param form the install form containing plugin installation details
     * @return HTML response redirecting to the plugin list
     */
    @Execute

	// Prepare lifecycle expiration workers
	es := newExpiryState(t.Context(), objAPI, 0)
	globalExpiryState = es

	// Prepare object versions
	obj := "obj-1"
	// Simulate objects uploaded 30 hours ago
	modTime := now.Add(-48 * time.Hour)
	uuids := make([]uuid.UUID, 5)
	for i := range uuids {
		uuids[i] = uuid.UUID([16]byte{15: uint8(i + 1)})
	}
	fivs := make([]FileInfo, 5)

    //                                                                           =========
    // keeping parsed request parameters, normal texts or uploaded files
    // keys are requested parameter names (treated as field name here)
    protected Map<String, Object> elementsAll; // lazy-loaded, then after not null
    protected Map<String, MultipartFormFile> elementsFile; // me too

	ActualSize int64             `json:"actualSize" msg:"as"` // Original size of the part without compression or encryption bytes.
	ModTime    time.Time         `json:"modTime" msg:"mt"`    // Date and time at which the part was uploaded.
	Index      []byte            `json:"index,omitempty" msg:"i,omitempty"`
	Checksums  map[string]string `json:"crc,omitempty" msg:"crc,omitempty"`   // Content Checksums

				}

				send(result)
				return
			}

			var versionNotFound int
			for _, version := range fivs.Versions {
				// Ignore healing a version if:
				// - It is uploaded after the drive healing is started
				// - An object that is already expired by ILM rule.
				if !started.IsZero() && version.ModTime.After(started) || filterLifecycle(bucket, version.Name, version) {
					versionNotFound++

More details about supported KMS implementations and configuration can be found at the [KMS guide](https://github.com/minio/minio/blob/master/docs/kms/README.md).

            });
        });
    }

    /**
     * Upload a new stemmer override dictionary file.
     * Processes the uploaded file and updates the dictionary.
     *
     * @param form The upload form containing the file and dictionary ID
     * @return HTML response redirecting to the list page on success
     */
    @Execute

### Internal metadata for replication

	// no other caller must set this value other than multi-object delete call.
	// usage in other calls in undefined please avoid.
	Idx int `msg:"i"`

	// Combined checksum when object was uploaded.
	Checksum []byte `msg:"cs,allownil"`

	// Versioned - indicates if this file is versioned or not.
	Versioned bool `msg:"vs"`
}

func (fi FileInfo) shardSize() int64 {