Struct connectorx::transports::CSVArrowTransport

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pub struct CSVArrowTransport;
Expand description

Convert CSV data types to Arrow data types.

Trait Implementations§

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impl<'tp> Transport for CSVArrowTransport

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type TSS = CSVTypeSystem

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type TSD = ArrowTypeSystem

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type S = CSVSource

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type D = ArrowDestination

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type Error = CSVArrowTransportError

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fn convert_typesystem(ts: Self::TSS) -> Result<Self::TSD>

convert_typesystem convert the source type system TSS to the destination type system TSD.
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fn process<'s, 'd, 'r>( ts1: Self::TSS, ts2: Self::TSD, src: &'r mut <<Self::S as Source>::Partition as SourcePartition>::Parser<'s>, dst: &'r mut <Self::D as Destination>::Partition<'d>, ) -> Result<(), Self::Error>
where Self: 'd,

process will ask source to produce a value with type T1, based on TSS, and then do type conversion using convert_type to get value with type T2, which is associated to TSD. Finally, it will write the value with type T2 to the destination.
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fn processor<'s, 'd>( ts1: Self::TSS, ts2: Self::TSD, ) -> Result<fn(src: &mut <<Self::S as Source>::Partition as SourcePartition>::Parser<'s>, dst: &mut <Self::D as Destination>::Partition<'d>) -> Result<(), Self::Error>>
where Self: 'd,

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fn convert_type<T1, T2>(val: T1) -> T2
where Self: TypeConversion<T1, T2>,

convert_type convert the type T1 associated with the source type system TSS to a type T2 which is associated with the destination type system TSD.
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impl<'tp, 'r> TypeConversion<DateTime<Utc>, DateTime<Utc>> for CSVArrowTransport

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fn convert(val: DateTime<Utc>) -> DateTime<Utc>

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impl<'tp, 'r> TypeConversion<Option<DateTime<Utc>>, Option<DateTime<Utc>>> for CSVArrowTransport

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fn convert(val: Option<DateTime<Utc>>) -> Option<DateTime<Utc>>

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impl<'tp, 'r> TypeConversion<Option<String>, Option<String>> for CSVArrowTransport

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fn convert(val: Option<String>) -> Option<String>

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impl<'tp, 'r> TypeConversion<Option<bool>, Option<bool>> for CSVArrowTransport

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fn convert(val: Option<bool>) -> Option<bool>

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impl<'tp, 'r> TypeConversion<Option<f64>, Option<f64>> for CSVArrowTransport

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fn convert(val: Option<f64>) -> Option<f64>

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impl<'tp, 'r> TypeConversion<Option<i64>, Option<i64>> for CSVArrowTransport

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fn convert(val: Option<i64>) -> Option<i64>

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impl<'tp, 'r> TypeConversion<String, String> for CSVArrowTransport

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fn convert(val: String) -> String

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impl<'tp, 'r> TypeConversion<bool, bool> for CSVArrowTransport

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fn convert(val: bool) -> bool

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impl<'tp, 'r> TypeConversion<f64, f64> for CSVArrowTransport

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fn convert(val: f64) -> f64

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impl<'tp, 'r> TypeConversion<i64, i64> for CSVArrowTransport

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fn convert(val: i64) -> i64

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