ref: fb9eb058f1c9b7cb26f33bbe679a85f530566641
dir: /commitquery/queries_acquire.go/
package commitquery
func (queries *Queries) acquire() *query {
queries.mu.Lock()
defer queries.mu.Unlock()
count := len(queries.idle)
if count == 0 {
return newQuery(queries.store, queries.graph)
}
q := queries.idle[count-1]
queries.idle = queries.idle[:count-1]
return q
}