{"record":{"id":"3520fe2047b3fd7a","repo":"pola-rs/polars","slug":"with-not-set","errorCode":null,"errorMessage":"with not set","messagePattern":"with not set","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/polars-lazy/src/frame/mod.rs","lineNumber":2318,"sourceCode":"            .join(\n                other.logical_plan,\n                self.left_on,\n                self.right_on,\n                JoinOptions {\n                    allow_parallel: self.allow_parallel,\n                    force_parallel: self.force_parallel,\n                    args,\n                }\n                .into(),\n            )\n            .build();\n        LazyFrame::from_logical_plan(lp, opt_state)\n    }\n\n    // Finish with join predicates\n    pub fn join_where(self, predicates: Vec<Expr>) -> LazyFrame {\n        let opt_state = self.lf.opt_state;\n        let other = self.other.expect(\"with not set\");\n\n        // Decompose `And` conjunctions into their component expressions\n        fn decompose_and(predicate: Expr, expanded_predicates: &mut Vec<Expr>) {\n            if let Expr::BinaryExpr {\n                op: Operator::And,\n                left,\n                right,\n            } = predicate\n            {\n                decompose_and((*left).clone(), expanded_predicates);\n                decompose_and((*right).clone(), expanded_predicates);\n            } else {\n                expanded_predicates.push(predicate);\n            }\n        }\n        let mut expanded_predicates = Vec::with_capacity(predicates.len() * 2);\n        for predicate in predicates {\n            decompose_and(predicate, &mut expanded_predicates);","sourceCodeStart":2300,"sourceCodeEnd":2336,"githubUrl":"https://github.com/pola-rs/polars/blob/df599052daf96e7a9cc30a3b0c6bd25d6947e3c0/crates/polars-lazy/src/frame/mod.rs#L2300-L2336","documentation":"Error \"with not set\" thrown in pola-rs/polars.","triggerScenarios":"Thrown at crates/polars-lazy/src/frame/mod.rs:2318 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"df599052daf96e7a9cc30a3b0c6bd25d6947e3c0","analyzedAt":"2026-08-16T12:10:03.978Z","schemaVersion":2},"datasetVersion":"2026-08-16T13:17:31.715Z"}