Struct odbc_api::parameter::Text

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pub struct Text;
Expand description

Intended to be used as a generic argument for VarCell to declare that this buffer is used to hold narrow (as opposed to wide UTF-16) text.

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impl VarKind for Text

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type Element = u8

Either u8 for binary and narrow text or u16 for wide text. Wide text could also be represented as u8, after all everything is bytes. This makes it difficult though to create owned VarCell types from u16 buffers.
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const ZERO: u8 = 0u8

Zero for buffer element.
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const TERMINATING_ZEROES: usize = 1usize

Number of terminating zeroes required for this kind of variadic buffer.
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const C_DATA_TYPE: CDataType = CDataType::Char

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fn relational_type(length: usize) -> DataType

Relational type used to bind the parameter. buffer_length is specified in elements rather than bytes, if the two differ.

Auto Trait Implementations§

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impl RefUnwindSafe for Text

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impl Send for Text

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impl Sync for Text

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impl Unpin for Text

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impl UnwindSafe for Text

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.