Struct RelationVisitor 

struct RelationVisitor {
    relations: BTreeSet<ObjectName>,
    all_ctes: BTreeSet<ObjectName>,
    ctes_in_scope: Vec<ObjectName>,
}

Fields

relations: BTreeSet<ObjectName>

all_ctes: BTreeSet<ObjectName>

ctes_in_scope: Vec<ObjectName>

Implementations

impl RelationVisitor

fn insert_relation(&mut self, relation: &ObjectName)

Record the reference to relation, if it’s not a CTE reference.

Trait Implementations

impl Visitor for RelationVisitor

type Break = ()

Type returned when the recursion returns early.

fn pre_visit_relation(&mut self, relation: &ObjectName) -> ControlFlow<()>

Invoked for any relations (e.g. tables) that appear in the AST before visiting children

fn pre_visit_query(&mut self, q: &Query) -> ControlFlow<Self::Break>

Invoked for any queries that appear in the AST before visiting children

fn post_visit_query(&mut self, q: &Query) -> ControlFlow<Self::Break>

Invoked for any queries that appear in the AST after visiting children

fn pre_visit_statement(&mut self, statement: &Statement) -> ControlFlow<()>

Invoked for any statements that appear in the AST before visiting children

fn post_visit_relation( &mut self, _relation: &ObjectName, ) -> ControlFlow<Self::Break>

Invoked for any relations (e.g. tables) that appear in the AST after visiting children

fn pre_visit_table_factor( &mut self, _table_factor: &TableFactor, ) -> ControlFlow<Self::Break>

Invoked for any table factors that appear in the AST before visiting children

fn post_visit_table_factor( &mut self, _table_factor: &TableFactor, ) -> ControlFlow<Self::Break>

Invoked for any table factors that appear in the AST after visiting children

fn pre_visit_expr(&mut self, _expr: &Expr) -> ControlFlow<Self::Break>

Invoked for any expressions that appear in the AST before visiting children

fn post_visit_expr(&mut self, _expr: &Expr) -> ControlFlow<Self::Break>

Invoked for any expressions that appear in the AST

fn post_visit_statement( &mut self, _statement: &Statement, ) -> ControlFlow<Self::Break>

Invoked for any statements that appear in the AST after visiting children

fn pre_visit_value(&mut self, _value: &Value) -> ControlFlow<Self::Break>

Invoked for any Value that appear in the AST before visiting children

fn post_visit_value(&mut self, _value: &Value) -> ControlFlow<Self::Break>

Invoked for any Value that appear in the AST after visiting children