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CsvExporter

chainindex_core::export

Struct CsvExporter 

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pub struct CsvExporter<W: Write> { /* private fields */ }
Expand description

Writes events as CSV with a header row.

Columns: chain, schema, address, tx_hash, block_number, log_index, fields_json

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impl<W: Write> CsvExporter<W>

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pub fn new(writer: W) -> Self

Create a new CSV exporter writing to the given writer.

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impl<W: Write> Exporter for CsvExporter<W>

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fn write_event(&mut self, event: &DecodedEvent) -> Result<(), IndexerError>

Write a single event.
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fn finish(&mut self) -> Result<u64, IndexerError>

Finalize the export and return bytes written.

Auto Trait Implementations§

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impl<W> Freeze for CsvExporter<W>
where W: Freeze,

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impl<W> RefUnwindSafe for CsvExporter<W>
where W: RefUnwindSafe,

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impl<W> Send for CsvExporter<W>
where W: Send,

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impl<W> Sync for CsvExporter<W>
where W: Sync,

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impl<W> Unpin for CsvExporter<W>
where W: Unpin,

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impl<W> UnsafeUnpin for CsvExporter<W>
where W: UnsafeUnpin,

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impl<W> UnwindSafe for CsvExporter<W>
where W: UnwindSafe,

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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more