Remove error from vcursor trait in extensions

extensions/core/src/lib.rs

@@ -115,10 +115,6 @@ pub trait VTabCursor: Sized {
     fn column(&self, idx: u32) -> Value;
     fn eof(&self) -> bool;
     fn next(&mut self) -> ResultCode;
-    fn set_error(&mut self, error: Self::Error);
-    fn error(&self) -> Option<Self::Error> {
-        None
-    }
 }
 
 #[repr(C)]

extensions/series/src/lib.rs

@@ -40,7 +40,6 @@ impl VTabModule for GenerateSeriesVTab {
             stop: 0,
             step: 0,
             current: 0,
-            error: None,
         }
     }
 
@@ -85,7 +84,6 @@ struct GenerateSeriesCursor {
     stop: i64,
     step: i64,
     current: i64,
-    error: Option<ResultCode>,
 }
 
 impl VTabCursor for GenerateSeriesCursor {
@@ -114,14 +112,6 @@ impl VTabCursor for GenerateSeriesCursor {
         }
     }
 
-    fn error(&self) -> Option<Self::Error> {
-        self.error
-    }
-
-    fn set_error(&mut self, err: ResultCode) {
-        self.error = Some(err);
-    }
-
     fn rowid(&self) -> i64 {
         ((self.current - self.start) / self.step) + 1
     }

macros/src/lib.rs

@@ -463,9 +463,6 @@ pub fn derive_vtab_module(input: TokenStream) -> TokenStream {
                     return ::limbo_ext::Value::error(ResultCode::Error);
                 }
                 let cursor = unsafe { &mut *(cursor as *mut <#struct_name as ::limbo_ext::VTabModule>::VCursor) };
-                if let Some(err) = <#struct_name as ::limbo_ext::VTabModule>::VCursor::error(cursor) {
-                    return ::limbo_ext::Value::error_with_message(err.to_string());
-                }
                 <#struct_name as ::limbo_ext::VTabModule>::column(cursor, idx)
             }