gcloud_spanner::reader

Struct RowIterator

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pub struct RowIterator<'a, T>
where
    T: Reader,
{ /* private fields */ }

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impl<'a, T> RowIterator<'a, T>
where T: Reader,

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pub fn set_call_options(&mut self, option: CallOptions)

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pub fn columns_metadata(&self) -> &Arc<Vec<Field>>

Return metadata for all columns

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pub fn column_metadata(&self, column_name: &str) -> Option<(usize, Field)>

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pub async fn next(&mut self) -> Result<Option<Row>, Status>

next returns the next result. Its second return value is None if there are no more results.

Auto Trait Implementations§

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impl<'a, T> !Freeze for RowIterator<'a, T>

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impl<'a, T> !RefUnwindSafe for RowIterator<'a, T>

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impl<'a, T> Send for RowIterator<'a, T>

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impl<'a, T> !Sync for RowIterator<'a, T>

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impl<'a, T> Unpin for RowIterator<'a, T>
where T: Unpin,

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impl<'a, T> !UnwindSafe for RowIterator<'a, T>

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

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impl<T> BorrowMut<T> for T
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where T: Policy<B, E>, P: Policy<B, E>,

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where T: Policy<B, E>, P: Policy<B, E>,

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