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Code Issues Releases Wiki Activity

Don't iterate all indexes manually

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Louis Dureuil 2023-02-20 16:42:54 +01:00
parent 5822764be9
commit 3db613ff77
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6 changed files with 80 additions and 27 deletions
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18
meilisearch/src/routes/indexes/mod.rs
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@ -61,6 +61,8 @@ pub struct IndexView {
impl IndexView {
fn new(uid: String, index: &Index) -> Result<IndexView, milli::Error> {
// It is important that this function does not keep the Index handle or a clone of it, because
// `list_indexes` relies on this property to avoid opening all indexes at once.
let rtxn = index.read_txn()?;
Ok(IndexView {
uid,
@ -90,13 +92,15 @@ pub async fn list_indexes(
paginate: AwebQueryParameter<ListIndexes, DeserrQueryParamError>,
) -> Result<HttpResponse, ResponseError> {
let filters = index_scheduler.filters();
let indexes: Vec<_> = index_scheduler.indexes()?;
let indexes = indexes
.into_iter()
.filter(|(name, _)| filters.is_index_authorized(name))
.map(|(name, index)| IndexView::new(name, &index))
.collect::<Result<Vec<_>, _>>()?;
let indexes: Vec<Option<IndexView>> =
index_scheduler.try_for_each_index(|uid, index| -> Result<Option<IndexView>, _> {
if !filters.is_index_authorized(uid) {
return Ok(None);
}
Ok(Some(IndexView::new(uid.to_string(), index)?))
})?;
// Won't cause to open all indexes because IndexView doesn't keep the `Index` opened.
let indexes: Vec<IndexView> = indexes.into_iter().flatten().collect();
let ret = paginate.as_pagination().auto_paginate_sized(indexes.into_iter());
debug!("returns: {:?}", ret);