QualifyToWhereTransformer

sql_cli::query_plan::qualify_to_where_transformer

Struct QualifyToWhereTransformer

pub struct QualifyToWhereTransformer;

Expand description

Transformer that converts QUALIFY clauses to WHERE clauses

Implementations§

impl QualifyToWhereTransformer

pub fn new() -> Self

Trait Implementations§

impl ASTTransformer for QualifyToWhereTransformer

fn name(&self) -> &str

Name of this transformer (for logging and debugging)

fn description(&self) -> &str

Description of what this transformer does

fn transform(&mut self, stmt: SelectStatement) -> Result<SelectStatement>

Transform the AST, returning the modified statement Read more

fn enabled(&self) -> bool

Whether this transformer is enabled

fn begin(&mut self) -> Result<()>

Called before transformation starts (for initialization)

fn end(&mut self) -> Result<()>

Called after transformation completes (for cleanup)

impl Default for QualifyToWhereTransformer

fn default() -> Self

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

Auto Trait Implementations§

impl Freeze for QualifyToWhereTransformer

impl RefUnwindSafe for QualifyToWhereTransformer

impl Send for QualifyToWhereTransformer

impl Sync for QualifyToWhereTransformer

impl Unpin for QualifyToWhereTransformer

impl UnwindSafe for QualifyToWhereTransformer

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<T> Same for T

type Output = T

Should always be Self

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> ErasedDestructor for T
where T: 'static,