Merge pull request #274 from Tcode-Motion/optimize-sqlite-query-5241949040631126530

⚡ [Optimize database query allocations in sqlite]

Author: github-actions[bot]

stdlib/src/sqlite.rs

@@ -181,9 +181,15 @@ impl StdlibRegistry {
                                 .collect();
 
                             let mut rows = Vec::new();
+
+                            let mut template = IndexMap::with_capacity(col_count);
+                            for name in &col_names {
+                                template.insert(name.clone(), RuntimeValue::Null);
+                            }
+
                             let row_iter = stmt
                                 .query_map(rusqlite::params_from_iter(params), |row| {
-                                    let mut map = IndexMap::with_capacity(col_count);
+                                    let mut map = template.clone();
                                     for i in 0..col_count {
                                         let val = row.get_ref_unwrap(i);
                                         let rt_val = match val {
@@ -207,7 +213,9 @@ impl StdlibRegistry {
                                                 )
                                             }
                                         };
-                                        map.insert(col_names[i].clone(), rt_val);
+                                        if let Some((_, v)) = map.get_index_mut(i) {
+                                            *v = rt_val;
+                                        }
                                     }
                                     Ok(map)
                                 })