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86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
package segcore
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/*
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#cgo pkg-config: milvus_core
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#include "common/type_c.h"
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*/
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import "C"
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import "context"
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// CSegment is the interface of a segcore segment.
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// TODO: We should separate the interface of CGrowingSegment and CSealedSegment,
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// Because they have different implementations, GrowingSegment will only be used at streamingnode, SealedSegment will only be used at querynode.
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// But currently, we just use the same interface to represent them to keep compatible with querynode LocalSegment.
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type CSegment interface {
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GrowingSegment
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SealedSegment
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}
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// GrowingSegment is the interface of a growing segment.
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type GrowingSegment interface {
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basicSegmentMethodSet
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// Insert inserts data into the segment.
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Insert(ctx context.Context, request *InsertRequest) (*InsertResult, error)
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}
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// SealedSegment is the interface of a sealed segment.
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type SealedSegment interface {
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basicSegmentMethodSet
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// LoadFieldData loads field data into the segment.
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LoadFieldData(ctx context.Context, request *LoadFieldDataRequest) (*LoadFieldDataResult, error)
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// DropIndex drops the index of the segment.
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DropIndex(ctx context.Context, fieldID int64) error
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DropJSONIndex(ctx context.Context, fieldID int64, nestedPath string) error
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Reopen(ctx context.Context, request *ReopenRequest) error
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}
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// basicSegmentMethodSet is the basic method set of a segment.
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type basicSegmentMethodSet interface {
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// ID returns the ID of the segment.
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ID() int64
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// RawPointer returns the raw pointer of the segment.
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// TODO: should be removed in future.
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RawPointer() CSegmentInterface
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// RawPointer returns the raw pointer of the segment.
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RowNum() int64
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// MemSize returns the memory size of the segment.
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MemSize() int64
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// HasRawData checks if the segment has raw data.
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HasRawData(fieldID int64) bool
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// HasFieldData checks if the segment has field data.
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HasFieldData(fieldID int64) bool
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// Search requests a search on the segment.
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// If searchReq.FilterOnly() is true, only executes the filter and returns valid_count (Stage 1 of two-stage search).
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Search(ctx context.Context, searchReq *SearchRequest) (*SearchResult, error)
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// Retrieve retrieves entities from the segment.
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Retrieve(ctx context.Context, plan *RetrievePlan) (*RetrieveResult, error)
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// RetrieveByOffsets retrieves entities from the segment by offsets.
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RetrieveByOffsets(ctx context.Context, plan *RetrievePlanWithOffsets) (*RetrieveResult, error)
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// Delete deletes data from the segment.
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Delete(ctx context.Context, request *DeleteRequest) (*DeleteResult, error)
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// Load invokes segment managed loading.
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Load(ctx context.Context) error
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// Release releases the segment.
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Release()
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}
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