Skip to content

⚡ [Optimize database query allocations in sqlite] #274

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
github-actions merged 1 commit into from
Oct 7, 2026
Merged

⚡ [Optimize database query allocations in sqlite] #274

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 10 additions & 2 deletions stdlib/src/sqlite.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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 {
Expand All @@ -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)
})
Expand Down
Loading
Loading