connectorx::transports

Struct TrinoArrowStreamTransport

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pub struct TrinoArrowStreamTransport();
Expand description

Convert Trino data types to Arrow data types.

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impl<'tp> Transport for TrinoArrowTransport

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type TSS = TrinoTypeSystem

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type TSD = ArrowTypeSystem

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type S = TrinoSource

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type D = ArrowDestination

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type Error = TrinoArrowTransportError

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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 TypeConversion<Decimal, f64> for TrinoArrowTransport

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fn convert(val: Decimal) -> f64

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impl<'tp, 'r> TypeConversion<NaiveDate, NaiveDate> for TrinoArrowTransport

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fn convert(val: NaiveDate) -> NaiveDate

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impl<'tp, 'r> TypeConversion<NaiveDateTime, NaiveDateTime> for TrinoArrowTransport

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fn convert(val: NaiveDateTime) -> NaiveDateTime

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impl<'tp, 'r> TypeConversion<NaiveTime, NaiveTime> for TrinoArrowTransport

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fn convert(val: NaiveTime) -> NaiveTime

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impl<'tp, 'r> TypeConversion<Option<NaiveDate>, Option<NaiveDate>> for TrinoArrowTransport

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

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impl<'tp, 'r> TypeConversion<Option<NaiveDateTime>, Option<NaiveDateTime>> for TrinoArrowTransport

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

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impl<'tp, 'r> TypeConversion<Option<NaiveTime>, Option<NaiveTime>> for TrinoArrowTransport

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

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

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

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

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

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impl<'tp, 'r> TypeConversion<Option<f32>, Option<f64>> for TrinoArrowTransport

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fn convert(val: Option<f32>) -> Option<f64>

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

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

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impl<'tp, 'r> TypeConversion<Option<i16>, Option<i64>> for TrinoArrowTransport

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fn convert(val: Option<i16>) -> Option<i64>

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impl<'tp, 'r> TypeConversion<Option<i32>, Option<i64>> for TrinoArrowTransport

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fn convert(val: Option<i32>) -> Option<i64>

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impl<'tp, 'r> TypeConversion<Option<i8>, Option<i64>> for TrinoArrowTransport

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fn convert(val: Option<i8>) -> Option<i64>

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

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fn convert(val: String) -> String

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impl TypeConversion<Value, String> for TrinoArrowTransport

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fn convert(val: Value) -> String

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

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fn convert(val: bool) -> bool

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impl<'tp, 'r> TypeConversion<f32, f64> for TrinoArrowTransport

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fn convert(val: f32) -> f64

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

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fn convert(val: f64) -> f64

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impl<'tp, 'r> TypeConversion<i16, i64> for TrinoArrowTransport

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fn convert(val: i16) -> i64

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impl<'tp, 'r> TypeConversion<i32, i64> for TrinoArrowTransport

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fn convert(val: i32) -> i64

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impl<'tp, 'r> TypeConversion<i8, i64> for TrinoArrowTransport

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fn convert(val: i8) -> i64

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