dpiDataBuffer

Union dpiDataBuffer 

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#[repr(C)]
pub union dpiDataBuffer {
Show 22 fields pub asBoolean: c_int, pub asUint8: u8, pub asUint16: u16, pub asUint32: u32, pub asInt64: i64, pub asUint64: u64, pub asFloat: f32, pub asDouble: f64, pub asString: *mut c_char, pub asRaw: *mut c_void, pub asBytes: dpiBytes, pub asTimestamp: dpiTimestamp, pub asIntervalDS: dpiIntervalDS, pub asIntervalYM: dpiIntervalYM, pub asJson: *mut dpiJson, pub asJsonObject: dpiJsonObject, pub asJsonArray: dpiJsonArray, pub asLOB: *mut dpiLob, pub asObject: *mut dpiObject, pub asStmt: *mut dpiStmt, pub asRowid: *mut dpiRowid, pub asVector: *mut dpiVector,
}
Expand description

This union is used for passing data to and from the database without requiring casts.

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§asBoolean: c_int

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_BOOLEAN. The value should be either 1 (true) or 0 (false).

§asUint8: u8

Only used for getting/setting OCI attributes of 1 byte in length.

§asUint16: u16

Only used for getting/setting OCI attributes of 2 bytes in length.

§asUint32: u32

Only used for getting/setting OCI attributes of 4 bytes in length.

§asInt64: i64

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_INT64.

§asUint64: u64

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_UINT64.

§asFloat: f32

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_FLOAT.

§asDouble: f64

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_DOUBLE.

§asString: *mut c_char

Only used for getting/setting OCI attributes of type string.

§asRaw: *mut c_void

Raw pointer used for getting/setting all OCI attributes.

§asBytes: dpiBytes

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_BYTES. This is a structure of type dpiBytes.

§asTimestamp: dpiTimestamp

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_TIMESTAMP. This is a structure of type dpiTimestamp.

§asIntervalDS: dpiIntervalDS

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_INTERVAL_DS. This is a structure of type dpiIntervalDS.

§asIntervalYM: dpiIntervalYM

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_INTERVAL_YM. This is a structure of type dpiIntervalYM.

§asJson: *mut dpiJson

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_JSON. This is a reference to a JSON value which can be used for reading and writing the data that belongs to it.

§asJsonObject: dpiJsonObject

Value this is used when the native type that is being used is DPI_NATIVE_TYPE_JSON_OBJECT. This is a structure of type dpiJsonObject.

§asJsonArray: dpiJsonArray

Value this is used when the native type that is being used is DPI_NATIVE_TYPE_JSON_ARRAY. This is a structure of type dpiJsonArray.

§asLOB: *mut dpiLob

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_LOB. This is a reference to a LOB (large object) which can be used for reading and writing the data that belongs to it.

§asObject: *mut dpiObject

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_OBJECT. This is a reference to an object which can be used for reading and writing its attributes or element values.

§asStmt: *mut dpiStmt

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_STMT. This is a reference to a statement which can be used to query data from the database.

§asRowid: *mut dpiRowid

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_ROWID. This is a reference to a rowid which is used to uniquely identify a row in a table in the database.

§asVector: *mut dpiVector

Value that is used when the native type that is being used is DPI_NATIVE_TYPE_VECTOR. This is a reference to a vector value which can be used for reading and writing the data that belongs to it.

Trait Implementations§

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impl Clone for dpiDataBuffer

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fn clone(&self) -> dpiDataBuffer

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for dpiDataBuffer

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Copy for dpiDataBuffer

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.