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118 lines
3.5 KiB
Go
118 lines
3.5 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package common
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import "encoding/binary"
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// system field id:
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// 0: unique row id
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// 1: timestamp
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// 100: first user field id
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// 101: second user field id
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// 102: ...
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const (
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// StartOfUserFieldID represents the starting ID of the user-defined field
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StartOfUserFieldID = 100
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// RowIDField is the ID of the RowID field reserved by the system
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RowIDField = 0
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// TimeStampField is the ID of the Timestamp field reserved by the system
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TimeStampField = 1
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// RowIDFieldName defines the name of the RowID field
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RowIDFieldName = "RowID"
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// TimeStampFieldName defines the name of the Timestamp field
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TimeStampFieldName = "Timestamp"
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// MetaFieldName is the field name of dynamic schema
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MetaFieldName = "$meta"
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// DefaultShardsNum defines the default number of shards when creating a collection
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DefaultShardsNum = int32(1)
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// DefaultPartitionsWithPartitionKey defines the default number of partitions when use partition key
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DefaultPartitionsWithPartitionKey = int64(64)
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// InvalidPartitionID indicates that the partition is not specified. It will be set when the partitionName is empty
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InvalidPartitionID = int64(-1)
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// InvalidFieldID indicates that the field does not exist . It will be set when the field is not found.
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InvalidFieldID = int64(-1)
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// NotRegisteredID means node is not registered into etcd.
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NotRegisteredID = int64(-1)
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// InvalidNodeID indicates that node is not valid in querycoord replica or shard cluster.
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InvalidNodeID = int64(-1)
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)
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// Endian is type alias of binary.LittleEndian.
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// Milvus uses little endian by default.
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var Endian = binary.LittleEndian
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const (
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// SegmentInsertLogPath storage path const for segment insert binlog.
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SegmentInsertLogPath = `insert_log`
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// SegmentDeltaLogPath storage path const for segment delta log.
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SegmentDeltaLogPath = `delta_log`
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// SegmentStatslogPath storage path const for segment stats log.
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SegmentStatslogPath = `stats_log`
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// SegmentIndexPath storage path const for segment index files.
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SegmentIndexPath = `index_files`
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)
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// Search, Index parameter keys
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const (
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TopKKey = "topk"
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SearchParamKey = "search_param"
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SegmentNumKey = "segment_num"
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WithFilterKey = "with_filter"
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IndexParamsKey = "params"
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IndexTypeKey = "index_type"
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MetricTypeKey = "metric_type"
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DimKey = "dim"
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MaxLengthKey = "max_length"
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)
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// Collection properties key
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const (
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CollectionTTLConfigKey = "collection.ttl.seconds"
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CollectionAutoCompactionKey = "collection.autocompaction.enabled"
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)
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const (
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PropertiesKey string = "properties"
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TraceIDKey string = "uber-trace-id"
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)
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func IsSystemField(fieldID int64) bool {
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return fieldID < StartOfUserFieldID
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}
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const (
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// LatestVerision is the magic number for watch latest revision
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LatestRevision = int64(-1)
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)
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