Struct Normalizer

pub struct Normalizer {
    pub options: NormalizerOptions,
}

A visitor for SQL AST nodes that normalizes SQL queries.

Fields

options: NormalizerOptions

Implementations

impl Normalizer

pub fn new() -> Self

pub fn with_options(self, options: NormalizerOptions) -> Self

pub fn normalize( dialect: &dyn Dialect, sql: &str, options: NormalizerOptions, ) -> Result<Vec<String>, Error>

Normalize SQL.

Trait Implementations

impl Default for Normalizer

fn default() -> Normalizer

Returns the “default value” for a type.

impl VisitorMut for Normalizer

type Break = ()

Type returned when the recursion returns early.

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

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

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

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

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

Invoked for any expressions that appear in the AST

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

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

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

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

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

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

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

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

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

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