ExecutionContext

Struct ExecutionContext 

Source
pub struct ExecutionContext { /* private fields */ }
Expand description

Execution context for procedural statements

Implementations§

Source§

impl ExecutionContext

Source

pub fn new() -> Self

Create a new execution context

Source

pub fn with_recursion_depth(depth: usize) -> Self

Create a new context with specified recursion depth

Source

pub fn set_variable(&mut self, name: &str, value: SqlValue)

Set a local variable value

Source

pub fn get_variable(&self, name: &str) -> Option<&SqlValue>

Get a local variable value

Source

pub fn has_variable(&self, name: &str) -> bool

Check if a variable exists

Source

pub fn set_parameter(&mut self, name: &str, value: SqlValue)

Set a parameter value

Source

pub fn get_parameter(&self, name: &str) -> Option<&SqlValue>

Get a parameter value

Source

pub fn get_parameter_mut(&mut self, name: &str) -> Option<&mut SqlValue>

Get a mutable reference to a parameter value

Source

pub fn has_parameter(&self, name: &str) -> bool

Check if a parameter exists

Source

pub fn get_value(&self, name: &str) -> Option<&SqlValue>

Get a value (variable or parameter)

Source

pub fn push_label(&mut self, label: &str)

Push a label onto the stack

Source

pub fn pop_label(&mut self, label: &str)

Pop a label from the stack

Source

pub fn has_label(&self, label: &str) -> bool

Check if a label is active

Source

pub fn enter_recursion(&mut self) -> Result<(), String>

Increment recursion depth and check limit

Source

pub fn exit_recursion(&mut self)

Decrement recursion depth

Source

pub fn recursion_depth(&self) -> usize

Get current recursion depth

Source

pub fn get_all_parameters(&self) -> &HashMap<String, SqlValue>

Get all parameters (for OUT/INOUT return)

Source

pub fn register_out_parameter( &mut self, param_name: &str, target_var_name: String, )

Register an OUT or INOUT parameter with its target variable name

Source

pub fn get_out_parameters(&self) -> &HashMap<String, String>

Get all OUT/INOUT parameters for return Returns a HashMap of parameter name -> target variable name

Source

pub fn get_available_names(&self) -> Vec<String>

Get all available variable and parameter names (for error messages)

Source§

impl ExecutionContext

Source

pub fn new_function_context() -> Self

Create a new function execution context (read-only)

Source

pub fn is_function_context(&self) -> bool

Check if this is a function context (read-only)

Trait Implementations§

Source§

impl Clone for ExecutionContext

Source§

fn clone(&self) -> ExecutionContext

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
Source§

impl Debug for ExecutionContext

Source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
Source§

impl Default for ExecutionContext

Source§

fn default() -> Self

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

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

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
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

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

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
Source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

Source§

fn vzip(self) -> V

Source§

impl<G1, G2> Within<G2> for G1
where G2: Contains<G1>,

Source§

fn is_within(&self, b: &G2) -> bool

Source§

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,