Struct datafusion::sql::planner::SqlToRel

pub struct SqlToRel<'a, S>where
    S: ContextProvider,{ /* private fields */ }

SQL query planner

Implementations

impl<'a, S> SqlToRel<'a, S>where S: ContextProvider,

pub fn sql_to_expr( &self, sql: Expr, schema: &DFSchema, planner_context: &mut PlannerContext ) -> Result<Expr, DataFusionError>

Generate a relational expression from a SQL expression

impl<'a, S> SqlToRel<'a, S>where S: ContextProvider,

pub fn new(context_provider: &'a S) -> SqlToRel<'a, S>

Create a new query planner

pub fn new_with_options( context_provider: &'a S, options: ParserOptions ) -> SqlToRel<'a, S>

Create a new query planner

pub fn build_schema( &self, columns: Vec<ColumnDef> ) -> Result<Schema, DataFusionError>

impl<'a, S> SqlToRel<'a, S>where S: ContextProvider,

pub fn statement_to_plan( &self, statement: Statement ) -> Result<LogicalPlan, DataFusionError>

Generate a logical plan from an DataFusion SQL statement

pub fn sql_statement_to_plan( &self, statement: Statement ) -> Result<LogicalPlan, DataFusionError>

Generate a logical plan from an SQL statement

pub fn sql_statement_to_plan_with_context( &self, statement: Statement, planner_context: &mut PlannerContext ) -> Result<LogicalPlan, DataFusionError>

Generate a logical plan from an SQL statement