CBLVectorEncoding

@interface CBLVectorEncoding : NSObject

ENTERPRISE EDITION ONLY

Vector encoding type to use in vector indexes.

  • No encoding; 4 bytes per dimension, no data loss.

    Declaration

    Objective-C

    + (nonnull instancetype)none;

  • Scalar Quantizer encoding.

    Declaration

    Objective-C

    + (nonnull instancetype)scalarQuantizerWithType:(id)type;

    Parameters

    type

    The type of Scalar Quantizer

  • Product Quantizer encoding.

    Declaration

    Objective-C

    + (nonnull instancetype)productQuantizerWithSubquantizers:
                            (unsigned int)subquantizers
                                                     bits:(unsigned int)bits;

    Parameters

    subquantizers

    Number of subquantizers. Must be > 1 and a factor of vector dimensions.
    bits

    Number of bits. Must be >= 4 and <= 12.

  • Unavailable

    Not available

    Declaration

    Objective-C

    - (nonnull instancetype)init;