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Add method that compresses the chunks with lowest uncompressed state_group ids (#72)

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Azrenbeth
2021-09-27 09:49:34 +01:00
committed by GitHub
parent 3271221311
commit a069d8765a
6 changed files with 331 additions and 9 deletions
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8
src/database.rs
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@@ -158,6 +158,7 @@ fn load_level_heads(client: &mut Client, level_info: &[Level]) -> BTreeMap<i64,
LEFT JOIN state_groups_state AS s ON (m.id = s.state_group)
LEFT JOIN state_group_edges AS e ON (m.id = e.state_group)
WHERE m.id = ANY($1)
ORDER BY m.id
"#;
// Actually do the query
@@ -301,10 +302,13 @@ fn find_max_group(
// Note a min state group is only used if groups_to_compress also is
if min_state_group.is_some() && groups_to_compress.is_some() {
params = vec![&room_id, &min_state_group, &groups_to_compress];
query_chunk_of_ids = format!(r"{} AND id > $2 LIMIT $3", query_chunk_of_ids);
query_chunk_of_ids = format!(
r"{} AND id > $2 ORDER BY id ASC LIMIT $3",
query_chunk_of_ids
);
} else if groups_to_compress.is_some() {
params = vec![&room_id, &groups_to_compress];
query_chunk_of_ids = format!(r"{} LIMIT $2", query_chunk_of_ids);
query_chunk_of_ids = format!(r"{} ORDER BY id ASC LIMIT $2", query_chunk_of_ids);
} else {
params = vec![&room_id];
}