{"record":{"id":"0258baaaf2ad427e","repo":"diesel-rs/diesel","slug":"error-finalizing-sqlite-prepared-statement-e","errorCode":null,"errorMessage":"Error finalizing SQLite prepared statement: {e:?}","messagePattern":"Error finalizing SQLite prepared statement: (.+?)","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"diesel/src/sqlite/connection/stmt.rs","lineNumber":260,"sourceCode":"    c_str.to_string_lossy().into_owned()\n}\n\nfn last_error_code(conn: *mut ffi::sqlite3) -> libc::c_int {\n    unsafe { ffi::sqlite3_extended_errcode(conn) }\n}\n\nimpl Drop for Statement {\n    fn drop(&mut self) {\n        use crate::util::std_compat::panicking;\n\n        let raw_connection = self.raw_connection();\n        let finalize_result = unsafe { ffi::sqlite3_finalize(self.inner_statement.as_ptr()) };\n        if let Err(e) = ensure_sqlite_ok(finalize_result, raw_connection) {\n            if panicking() {\n                #[cfg(feature = \"std\")]\n                eprintln!(\"Error finalizing SQLite prepared statement: {e:?}\");\n            } else {\n                panic!(\"Error finalizing SQLite prepared statement: {e:?}\");\n            }\n        }\n    }\n}\n\n// A warning for future editors:\n// Changing this code to something \"simpler\" may\n// introduce undefined behaviour. Make sure you read\n// the following discussions for details about\n// the current version:\n//\n// * https://github.com/weiznich/diesel/pull/7\n// * https://users.rust-lang.org/t/code-review-for-unsafe-code-in-diesel/66798/\n// * https://github.com/rust-lang/unsafe-code-guidelines/issues/194\nstruct BoundStatement<'stmt, 'query> {\n    statement: MaybeCached<'stmt, Statement>,\n    // we need to store the query here to ensure no one does\n    // drop it till the end of the statement","sourceCodeStart":242,"sourceCodeEnd":278,"githubUrl":"https://github.com/diesel-rs/diesel/blob/6fa6ed01b24b24248ab2a611698d0a7c6a2e9120/diesel/src/sqlite/connection/stmt.rs#L242-L278","documentation":"Finalizing a SQLite prepared statement in its destructor returned an error instead of SQLITE_OK. The offending input is the statement's state at drop time, typically because the statement was dropped before all rows were consumed or the connection was already in an error state.","triggerScenarios":"Thrown at diesel/src/sqlite/connection/stmt.rs:260 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Fully step through or explicitly reset the statement before dropping it","Drop statements before closing the underlying connection","Inspect the connection's extended error code to find the root cause"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"6fa6ed01b24b24248ab2a611698d0a7c6a2e9120","analyzedAt":"2026-09-07T01:50:13.074Z","contentChangedAt":"2026-09-07T01:50:13.074Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}