Struct BindPosition 

pub struct BindPosition<T: Clone, F: Clone + Fn() -> T, E: Fn(&ColumnSummary, &ColumnSummary) -> bool> { /* private fields */ }

Implementations

impl<'b, T, F, E> BindPosition<T, F, E>

where T: Iterator<Item = Cow<'b, ColumnRef>> + Clone, F: Clone + Fn() -> T, E: Clone + Fn(&ColumnSummary, &ColumnSummary) -> bool,

pub fn new(output_columns: F, fn_eq: E) -> BindPosition<T, F, E>

pub fn bind_exprs( exprs: IterMut<'_, ScalarExpression>, fn_schema: F, fn_eq: E, ) -> Result<(), DatabaseError>

Trait Implementations

impl<T: Clone + Clone, F: Clone + Clone + Fn() -> T, E: Clone + Fn(&ColumnSummary, &ColumnSummary) -> bool> Clone for BindPosition<T, F, E>

fn clone(&self) -> BindPosition<T, F, E>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a, 'b, T: Iterator<Item = Cow<'b, ColumnRef>> + Clone, F: Clone + Fn() -> T, E: Clone + Fn(&ColumnSummary, &ColumnSummary) -> bool> VisitorMut<'a> for BindPosition<T, F, E>

fn visit(&mut self, expr: &'a mut ScalarExpression) -> Result<(), DatabaseError>

fn visit_alias( &mut self, expr: &'a mut ScalarExpression, ty: &'a mut AliasType, ) -> Result<(), DatabaseError>

fn visit_constant( &mut self, _value: &'a mut DataValue, ) -> Result<(), DatabaseError>

fn visit_column_ref( &mut self, _column: &'a mut ColumnRef, ) -> Result<(), DatabaseError>

fn visit_type_cast( &mut self, expr: &'a mut ScalarExpression, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_is_null( &mut self, _negated: bool, expr: &'a mut ScalarExpression, ) -> Result<(), DatabaseError>

fn visit_unary( &mut self, _op: &'a mut UnaryOperator, expr: &'a mut ScalarExpression, _evaluator: &'a mut Option<UnaryEvaluatorBox>, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_binary( &mut self, _op: &'a mut BinaryOperator, left_expr: &'a mut ScalarExpression, right_expr: &'a mut ScalarExpression, _evaluator: &'a mut Option<BinaryEvaluatorBox>, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_agg( &mut self, _distinct: bool, _kind: &'a mut AggKind, args: &'a mut [ScalarExpression], _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_in( &mut self, _negated: bool, expr: &'a mut ScalarExpression, args: &'a mut [ScalarExpression], ) -> Result<(), DatabaseError>

fn visit_between( &mut self, _negated: bool, expr: &'a mut ScalarExpression, left_expr: &'a mut ScalarExpression, right_expr: &'a mut ScalarExpression, ) -> Result<(), DatabaseError>

fn visit_substring( &mut self, expr: &'a mut ScalarExpression, for_expr: &'a mut Option<Box<ScalarExpression>>, from_expr: &'a mut Option<Box<ScalarExpression>>, ) -> Result<(), DatabaseError>

fn visit_position( &mut self, expr: &'a mut ScalarExpression, in_expr: &'a mut ScalarExpression, ) -> Result<(), DatabaseError>

fn visit_trim( &mut self, expr: &'a mut ScalarExpression, trim_what_expr: &'a mut Option<Box<ScalarExpression>>, _trim_where: &'a mut Option<TrimWhereField>, ) -> Result<(), DatabaseError>

fn visit_empty(&mut self) -> Result<(), DatabaseError>

fn visit_reference( &mut self, expr: &'a mut ScalarExpression, _pos: usize, ) -> Result<(), DatabaseError>

fn visit_tuple( &mut self, exprs: &'a mut [ScalarExpression], ) -> Result<(), DatabaseError>

fn visit_scala_function( &mut self, scalar_function: &'a mut ScalarFunction, ) -> Result<(), DatabaseError>

fn visit_table_function( &mut self, table_function: &'a mut TableFunction, ) -> Result<(), DatabaseError>

fn visit_if( &mut self, condition: &'a mut ScalarExpression, left_expr: &'a mut ScalarExpression, right_expr: &'a mut ScalarExpression, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_if_null( &mut self, left_expr: &'a mut ScalarExpression, right_expr: &'a mut ScalarExpression, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_null_if( &mut self, left_expr: &'a mut ScalarExpression, right_expr: &'a mut ScalarExpression, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_coalesce( &mut self, exprs: &'a mut [ScalarExpression], _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>

fn visit_case_when( &mut self, operand_expr: &'a mut Option<Box<ScalarExpression>>, expr_pairs: &'a mut [(ScalarExpression, ScalarExpression)], else_expr: &'a mut Option<Box<ScalarExpression>>, _ty: &'a mut LogicalType, ) -> Result<(), DatabaseError>