Struct TableExtractor

pub struct TableExtractor { /* private fields */ }

A visitor to extract tables from SQL.

Implementations

impl TableExtractor

pub fn extract( dialect: &dyn Dialect, sql: &str, ) -> Result<Vec<Result<Tables, Error>>, Error>

Extract tables from SQL.

pub fn extract_from_statement(statement: &Statement) -> Result<Tables, Error>

pub fn extract_from_table_node(table: &TableWithJoins) -> Result<Tables, Error>

Trait Implementations

impl Debug for TableExtractor

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

Formats the value using the given formatter.

impl Default for TableExtractor

fn default() -> TableExtractor

Returns the “default value” for a type.

impl Visitor for TableExtractor

type Break = Error

Type returned when the recursion returns early.

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

Invoked for any relations (e.g. tables) that appear in the AST before 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 pre_visit_statement( &mut self, statement: &Statement, ) -> ControlFlow<Self::Break>

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

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

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

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

Invoked for any queries that appear in the AST after 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 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