Enum PhysicalOp 

pub enum PhysicalOp {
    Scan {
        table: String,
        filter: Option<Expr>,
        projection: Vec<String>,
    },
    Filter {
        input: Box<PhysicalOp>,
        condition: Expr,
    },
    Projection {
        input: Box<PhysicalOp>,
        expressions: Vec<(Expr, String)>,
    },
    Sort {
        input: Box<PhysicalOp>,
        order_by: Vec<(String, SortDirection)>,
    },
    GroupBy {
        input: Box<PhysicalOp>,
        group_by: Vec<String>,
        aggregates: Vec<AggregateExpr>,
    },
    Join {
        left: Box<PhysicalOp>,
        right: Box<PhysicalOp>,
        join_type: JoinType,
        condition: Expr,
    },
    Union {
        left: Box<PhysicalOp>,
        right: Box<PhysicalOp>,
    },
    Limit {
        input: Box<PhysicalOp>,
        limit: usize,
        offset: usize,
    },
}

物理演算子

Variants

Scan

スキャン操作

Fields

table: String

filter: Option<Expr>

projection: Vec<String>

Filter

フィルター操作

Fields

input: Box<PhysicalOp>

condition: Expr

Projection

射影操作

Fields

input: Box<PhysicalOp>

expressions: Vec<(Expr, String)>

Sort

ソート操作

Fields

input: Box<PhysicalOp>

order_by: Vec<(String, SortDirection)>

GroupBy

グループ化操作

Fields

input: Box<PhysicalOp>

group_by: Vec<String>

aggregates: Vec<AggregateExpr>

Join

ジョイン操作

Fields

left: Box<PhysicalOp>

right: Box<PhysicalOp>

join_type: JoinType

condition: Expr

Union

ユニオン操作

Fields

left: Box<PhysicalOp>

right: Box<PhysicalOp>

Limit

リミット操作

Fields

input: Box<PhysicalOp>

limit: usize

offset: usize

Trait Implementations

impl Clone for PhysicalOp

fn clone(&self) -> PhysicalOp

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PhysicalOp

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

Formats the value using the given formatter.