Module edgedb_protocol::descriptors

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(Website reference) Types for the Descriptor enum.

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pub enum Descriptor {
    Set(SetDescriptor),
    ObjectShape(ObjectShapeDescriptor),
    BaseScalar(BaseScalarTypeDescriptor),
    Scalar(ScalarTypeDescriptor),
    Tuple(TupleTypeDescriptor),
    NamedTuple(NamedTupleTypeDescriptor),
    Array(ArrayTypeDescriptor),
    Enumeration(EnumerationTypeDescriptor),
    InputShape(InputShapeTypeDescriptor),
    Range(RangeTypeDescriptor),
    MultiRange(MultiRangeTypeDescriptor),
    TypeAnnotation(TypeAnnotationDescriptor),
}

From the website:

The type descriptor is essentially a list of type information blocks:

  • each block encodes one type;
  • blocks can reference other blocks.

While parsing the blocks, a database driver can assemble an encoder or a decoder of the EdgeDB binary data.

An encoder is used to encode objects, native to the driver’s runtime, to binary data that EdegDB can decode and work with.

A decoder is used to decode data from EdgeDB native format to data types native to the driver.

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