IndexType

The enumeration for available index types.

package io.milvus.param;
public enum IndexType

Type	Code	Description
None	0	For internal usage.
FLAT	1	Works for FloatVector/Float16Vector/BFloat16Vector type field.
IVF_FLAT	2	Works for FloatVector/Float16Vector/BFloat16Vector type field.
IVF_SQ8	3	Works for FloatVector/Float16Vector/BFloat16Vector type field.
IVF_PQ	4	Works for FloatVector/Float16Vector/BFloat16Vector type field.
HNSW	5	Works for FloatVector/Float16Vector/BFloat16Vector type field.
DISKANN	10	Works for FloatVector/Float16Vector/BFloat16Vector type field.
AUTOINDEX	11	Works for FloatVector/Float16Vector/BFloat16Vector type field. The auto index parameters are defined in the milvus.yaml.
SCANN	12	Works for FloatVector/Float16Vector/BFloat16Vector type field.
GPU_IVF_FLAT	50	Only for FloatVector type field. Only works when the server is GPU mode.
GPU_IVF_PQ	51	Only for FloatVector type field. Only works when the server is GPU mode.
GPU_BRUTE_FORCE	52	Only for FloatVector type field. Only works when the server is GPU mode.
GPU_CAGRA	53	Only for FloatVector type field. Only works when the server is GPU mode.
BIN_FLAT	80	Only for BinaryVector type field.
BIN_IVF_FLAT	81	Only for BinaryVector type field.
TRIE	100	Only for VarChar type field.
STL_SORT	200	Only for numeric type field.
INVERTED	201	Works for all scalar fields except JSON type field.
SPARSE_INVERTED_INDEX	300	Only for SparseFloatVector type field.
SPARSE_WAND	301	Only for SparseFloatVector type field.