Struct datafusion_sql::planner::SqlToRel

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

SQL query planner

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

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

Generate a relational expression from a SQL expression

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

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pub fn new(context_provider: &'a S) -> Self

Create a new query planner

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

Create a new query planner

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

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

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

Generate a logical plan from an DataFusion SQL statement

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

Generate a logical plan from an SQL statement

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

Generate a logical plan from an SQL statement

Auto Trait Implementations§

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impl<'a, S> Freeze for SqlToRel<'a, S>

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impl<'a, S> RefUnwindSafe for SqlToRel<'a, S>
where S: RefUnwindSafe,

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impl<'a, S> Send for SqlToRel<'a, S>
where S: Sync,

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impl<'a, S> Sync for SqlToRel<'a, S>
where S: Sync,

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impl<'a, S> Unpin for SqlToRel<'a, S>

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impl<'a, S> UnwindSafe for SqlToRel<'a, S>
where S: RefUnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,