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Update src/chat.rs

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Co-authored-by: Asiel Díaz Benítez <asieldbenitez@gmail.com>
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bjoern
2020-09-02 21:36:12 +02:00
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parent 8727e0acf8
commit 8d9fa233c5
1 changed files with 1 additions and 1 deletions
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src/chat.rs
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@@ -379,7 +379,7 @@ impl ChatId {
// to make this as fast as possible, esp. on older devices, we added an combined index over the rows used for querying.
// so if you alter the query here, you may want to alter the index over `(state, hidden, chat_id)` in `sql.rs`.
//
// the impact if the index is significant once the database grows:
// the impact of the index is significant once the database grows:
// - on an older android4 with 18k messages, query-time decreased from 110ms to 2ms
// - on an mid-class moto-g or iphone7 with 50k messages, query-time decreased from 26ms or 6ms to 0-1ms
// the times are average, no matter if there are fresh messages or not -