arrow_json::writer

Struct LineDelimited

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pub struct LineDelimited {}
Expand description

Produces JSON output with one record per line.

For example:

{"foo":1}
{"bar":1}

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impl Debug for LineDelimited

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

Formats the value using the given formatter. Read more
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impl Default for LineDelimited

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fn default() -> LineDelimited

Returns the “default value” for a type. Read more
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impl JsonFormat for LineDelimited

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fn end_row<W: Write>(&self, writer: &mut W) -> Result<(), ArrowError>

write any bytes needed for the end of each row
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fn start_stream<W: Write>(&self, _writer: &mut W) -> Result<(), ArrowError>

write any bytes needed at the start of the file to the writer
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fn start_row<W: Write>( &self, _writer: &mut W, _is_first_row: bool, ) -> Result<(), ArrowError>

write any bytes needed for the start of each row
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fn end_stream<W: Write>(&self, _writer: &mut W) -> Result<(), ArrowError>

write any bytes needed for the start of each row

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,