Struct PlannerContext 

pub struct PlannerContext { /* private fields */ }

Context for tracking available columns during planning

Implementations

impl PlannerContext

pub fn new() -> Self

Create a new context

pub fn with_sql(self, sql: impl Into<String>) -> Self

Set the SQL query for error messages

pub fn add_table(&mut self, alias: Option<String>, table: Arc<Table>)

Add a table to the context

pub fn with_outer_columns(self, columns: Vec<String>) -> Self

Set the outer query columns (for subquery planning)

pub fn current_columns(&self) -> Vec<String>

Get the current table columns (columns defined in this scope)

pub fn is_outer_column(&self, table: Option<&str>, column: &str) -> bool

Check if a column reference is from the outer query Returns true if the column is in outer_columns but not in current tables

pub fn find_column( &self, table: Option<&str>, column: &str, ) -> Result<(Arc<Table>, usize)>

Find a column by name, optionally qualified by table (case-insensitive)

pub fn available_columns(&self) -> Vec<String>

Get all available column names (for error messages)

Trait Implementations

impl Clone for PlannerContext

fn clone(&self) -> PlannerContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PlannerContext

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

Formats the value using the given formatter.

impl Default for PlannerContext

fn default() -> PlannerContext

Returns the “default value” for a type.