// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License.

package common

// system filed id:
// 0: unique row id
// 1: timestamp
// 100: first user field id
// 101: second user field id
// 102: ...

const (
	// StartOfUserFieldID represents the starting ID of the user-defined field
	StartOfUserFieldID = 100

	// RowIDField is the ID of the RowID field reserved by the system
	RowIDField = 0

	// TimeStampField is the ID of the Timestamp field reserved by the system
	TimeStampField = 1

	// RowIDFieldName defines the name of the RowID field
	RowIDFieldName = "RowID"

	// TimeStampFieldName defines the name of the Timestamp field
	TimeStampFieldName = "Timestamp"

	// DefaultShardsNum defines the default number of shards when creating a collection
	DefaultShardsNum = int32(2)
)