Function sql_to_expr

datafusion/core/src/execution/session_state.rs:2377–2391

(state: &SessionState)

        // test array planners with and without builtin planners
        #[cfg(feature = "sql")]
        fn sql_to_expr(state: &SessionState) -> Result<Expr> {
            let provider = SessionContextProvider {
                state,
                tables: HashMap::new(),
            };

            let sql = "[1,2,3]";
            let schema = Schema::new(vec![Field::new("a", DataType::Int32, true)]);
            let df_schema = DFSchema::try_from(schema)?;
            let dialect = state.config.options().sql_parser.dialect;
            let sql_expr = state.sql_to_expr(sql, &dialect)?;

            let query = SqlToRel::new_with_options(&provider, state.get_parser_options());
            query.sql_to_expr(sql_expr, &df_schema, &mut PlannerContext::new())
        }

        let state = SessionStateBuilder::new().with_default_features().build();