fix cargo

datafusion/sql/src/statement.rs

@@ -754,7 +754,9 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
                     return not_impl_err!("SHOW COLUMNS LIMIT FROM not supported")?;
                 }
                 if filter_position.is_some() {
-                    return not_impl_err!("SHOW COLUMNS with WHERE or LIKE is not supported")?;
+                    return not_impl_err!(
+                        "SHOW COLUMNS with WHERE or LIKE is not supported"
+                    )?;
                 }
                 let Some(ShowStatementIn {
                     // specifies if the syntax was `SHOW COLUMNS IN` or `SHOW
@@ -1919,6 +1921,12 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
             self.options.enable_ident_normalization,
         );
 
+        if !self.has_table("information_schema", "columns") {
+            return plan_err!(
+                "SHOW COLUMNS is not supported unless information_schema is enabled"
+            );
+        }
+
         // Do a table lookup to verify the table exists
         let table_ref = self.object_name_to_table_reference(sql_table_name)?;
         let _ = self.context_provider.get_table_source(table_ref)?;