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ScanPlan

citadeldb_sql::planner

Enum ScanPlan

pub enum ScanPlan {
    SeqScan,
    PkLookup {
        pk_values: Vec<Value>,
    },
    IndexScan {
        index_name: String,
        idx_table: Vec<u8>,
        prefix: Vec<u8>,
        num_prefix_cols: usize,
        range_conds: Vec<(BinOp, Value)>,
        is_unique: bool,
        index_columns: Vec<u16>,
    },
}

Variants§

SeqScan

PkLookup

Fields

§pk_values: Vec<Value>

IndexScan

Fields

§index_name: String

§idx_table: Vec<u8>

§prefix: Vec<u8>

§num_prefix_cols: usize

§range_conds: Vec<(BinOp, Value)>

§is_unique: bool

§index_columns: Vec<u16>

Trait Implementations§

impl Debug for ScanPlan

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for ScanPlan

impl RefUnwindSafe for ScanPlan

impl Send for ScanPlan

impl Sync for ScanPlan

impl Unpin for ScanPlan

impl UnsafeUnpin for ScanPlan

impl UnwindSafe for ScanPlan

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, 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> 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