Struct ArrowJson

pub struct ArrowJson {
    pub schema: ArrowJsonSchema,
    pub batches: Vec<ArrowJsonBatch>,
    pub dictionaries: Option<Vec<ArrowJsonDictionaryBatch>>,
}

A struct that represents an Arrow file with a schema and record batches

See https://github.com/apache/arrow/blob/master/docs/source/format/Integration.rst#json-test-data-format

Fields

schema: ArrowJsonSchema

The Arrow schema for JSON file

batches: Vec<ArrowJsonBatch>

The RecordBatches in the JSON file

dictionaries: Option<Vec<ArrowJsonDictionaryBatch>>

The dictionaries in the JSON file

Implementations

impl ArrowJson

pub fn equals_reader(&self, reader: &mut dyn RecordBatchReader) -> Result<bool>

Compare the Arrow JSON with a record batch reader

pub fn get_record_batches(&self) -> Result<Vec<RecordBatch>>

Convert the stored dictionaries to Vec[RecordBatch]

Trait Implementations

impl Debug for ArrowJson

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ArrowJson

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ArrowJson

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.