Enum oracle::StmtParam [−][src]
Parameters to prepare Statement.
Variants
FetchArraySize(u32)
The array size used for performing fetches.
This specifies the number of rows allocated before performing fetches. The default value is 100. Higher value reduces the number of network round trips to fetch rows but requires more memory. The preferable value depends on the query and the environment.
If the query returns only onw row, you should use
StmtParam::FetchArraySize(1)
.
Tag(String)
Reserved for when statement caching is supported.
Reserved for when scrollable cursors are supported.
Trait Implementations
impl Clone for StmtParam
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impl Debug for StmtParam
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impl PartialEq<StmtParam> for StmtParam
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impl StructuralPartialEq for StmtParam
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Auto Trait Implementations
impl RefUnwindSafe for StmtParam
impl Send for StmtParam
impl Sync for StmtParam
impl Unpin for StmtParam
impl UnwindSafe for StmtParam
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,