Trait arrow::builder::ArrayBuilder

pub trait ArrayBuilder {
    type ArrayType;
    fn into_any(self) -> Box<dyn Any>;
    fn len(&self) -> i64;
    fn finish(self) -> Self::ArrayType;
}

Trait for dealing with different array builders at runtime

Associated Types

type ArrayType

The type of array that this builder creates

Required Methods

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> Self::ArrayType

Builds the array

Implementors

impl ArrayBuilder for BinaryArrayBuilder

type ArrayType = BinaryArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> BinaryArray

Builds the BinaryArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<bool>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<f32>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<f64>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<i16>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<i32>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<i64>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<i8>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<u16>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<u32>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<u64>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<ListArrayBuilder<PrimitiveArrayBuilder<u8>>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<bool>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<f32>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<f64>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<i16>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<i32>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<i64>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<i8>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<u16>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<u32>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<u64>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for ListArrayBuilder<PrimitiveArrayBuilder<u8>>

type ArrayType = ListArray

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method.

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> ListArray

Builds the ListArray

impl ArrayBuilder for PrimitiveArrayBuilder<bool>

type ArrayType = PrimitiveArray<bool>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<bool>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<f32>

type ArrayType = PrimitiveArray<f32>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<f32>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<f64>

type ArrayType = PrimitiveArray<f64>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<f64>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<i16>

type ArrayType = PrimitiveArray<i16>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<i16>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<i32>

type ArrayType = PrimitiveArray<i32>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<i32>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<i64>

type ArrayType = PrimitiveArray<i64>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<i64>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<i8>

type ArrayType = PrimitiveArray<i8>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<i8>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<u16>

type ArrayType = PrimitiveArray<u16>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<u16>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<u32>

type ArrayType = PrimitiveArray<u32>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<u32>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<u64>

type ArrayType = PrimitiveArray<u64>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<u64>

Builds the PrimitiveArray

impl ArrayBuilder for PrimitiveArrayBuilder<u8>

type ArrayType = PrimitiveArray<u8>

fn into_any(self) -> Box<dyn Any>

Returns the builder as an owned Any type so that it can be downcast to a specific implementation before calling it's finish method

fn len(&self) -> i64

Returns the number of array slots in the builder

fn finish(self) -> PrimitiveArray<u8>

Builds the PrimitiveArray