Enum TableSource 

pub enum TableSource {
    Table(SchemaRef),
    SubQuery(SubQueryDef),
    SetOp(Box<SetOpDef>),
    Lateral(Box<FromItem>),
    Function {
        name: String,
        args: Vec<Expr>,
        alias: Option<String>,
    },
    Values {
        rows: Vec<Vec<Expr>>,
        alias: String,
        column_aliases: Option<Vec<String>>,
    },
    Custom(Box<dyn CustomTableSource>),
}

Source of data in FROM clause.

Variants

Table(SchemaRef)

A table or view.

SubQuery(SubQueryDef)

A subquery with alias.

SetOp(Box<SetOpDef>)

Set operation (UNION/INTERSECT/EXCEPT).

Lateral(Box<FromItem>)

LATERAL (subquery).

Function

Table-valued function: generate_series(1, 10), json_each(col).

Fields

name: String

args: Vec<Expr>

alias: Option<String>

Values

VALUES as a table source: (VALUES (1,'a'), (2,'b')) AS t(id, name).

Fields

rows: Vec<Vec<Expr>>

alias: String

column_aliases: Option<Vec<String>>

Custom(Box<dyn CustomTableSource>)

User-defined table source (extension point).

Trait Implementations

impl Clone for TableSource

fn clone(&self) -> TableSource

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableSource

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

Formats the value using the given formatter.