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perf: separate author/delegated_by queries, minor improvement

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This commit is contained in:
Greg Heartsfield 2023-01-04 16:51:17 -06:00
parent 9a84dc19e9
commit 39a945b493
1 changed files with 32 additions and 13 deletions
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41
src/db.rs
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@ -529,22 +529,42 @@ fn query_from_filter(f: &ReqFilter) -> (String, Vec<Box<dyn ToSql>>) {
for auth in authvec {
match hex_range(auth) {
Some(HexSearch::Exact(ex)) => {
auth_searches.push("author=? OR delegated_by=?".to_owned());
params.push(Box::new(ex.clone()));
auth_searches.push("author=?".to_owned());
params.push(Box::new(ex));
}
Some(HexSearch::Range(lower, upper)) => {
auth_searches.push(
"(author>? AND author<?) OR (delegated_by>? AND delegated_by<?)".to_owned(),
"(author>? AND author<?)".to_owned(),
);
params.push(Box::new(lower.clone()));
params.push(Box::new(upper.clone()));
params.push(Box::new(lower));
params.push(Box::new(upper));
}
Some(HexSearch::LowerOnly(lower)) => {
auth_searches.push("author>? OR delegated_by>?".to_owned());
params.push(Box::new(lower.clone()));
auth_searches.push("author>?".to_owned());
params.push(Box::new(lower));
}
None => {
info!("Could not parse hex range from author {:?}", auth);
}
}
}
// take each author and convert to a hexsearch
let mut del_searches: Vec<String> = vec![];
for auth in authvec {
match hex_range(auth) {
Some(HexSearch::Exact(ex)) => {
del_searches.push("delegated_by=?".to_owned());
params.push(Box::new(ex));
}
Some(HexSearch::Range(lower, upper)) => {
del_searches.push(
"(delegated_by>? AND delegated_by<?)".to_owned(),
);
params.push(Box::new(lower));
params.push(Box::new(upper));
}
Some(HexSearch::LowerOnly(lower)) => {
del_searches.push("delegated_by>?".to_owned());
params.push(Box::new(lower));
}
None => {
@ -553,11 +573,10 @@ fn query_from_filter(f: &ReqFilter) -> (String, Vec<Box<dyn ToSql>>) {
}
}
if !authvec.is_empty() {
let authors_clause = format!("({})", auth_searches.join(" OR "));
filter_components.push(authors_clause);
// combine auth_searches and del_searches
let comb_clause = format!("({} OR {})", auth_searches.join(" OR "), del_searches.join(" OR "));
filter_components.push(comb_clause);
} else {
// if the authors list was empty, we should never return
// any results.
filter_components.push("false".to_owned());
}
}