*: upgrade drain_filter

See rust-lang/rust/pull/104455

Signed-off-by: Neil Shen <overvenus@gmail.com>

Author: overvenus

components/engine_traits/src/flush.rs

@@ -119,7 +119,7 @@ impl SstApplyState {
         for sst in ssts {
             let cf_index = data_cf_offset(sst.get_cf_name());
             if let Some(metas) = sst_list.get_mut(cf_index) {
-                metas.drain_filter(|entry| entry.sst.get_uuid() == sst.get_uuid());
+                metas.retain(|entry| entry.sst.get_uuid() != sst.get_uuid());
             }
         }
     }

components/engine_traits/src/lib.rs

@@ -254,7 +254,6 @@
 #![feature(linked_list_cursors)]
 #![feature(let_chains)]
 #![feature(str_split_as_str)]
-#![feature(drain_filter)]
 
 #[macro_use(fail_point)]
 extern crate fail;

components/raftstore/src/lib.rs

@@ -5,7 +5,7 @@
 #![feature(div_duration)]
 #![feature(min_specialization)]
 #![feature(box_patterns)]
-#![feature(hash_drain_filter)]
+#![feature(hash_extract_if)]
 #![feature(let_chains)]
 #![feature(assert_matches)]
 #![feature(type_alias_impl_trait)]

components/raftstore/src/store/snap.rs

@@ -2174,7 +2174,7 @@ impl TabletSnapManager {
             .stats
             .lock()
             .unwrap()
-            .drain_filter(|_, (_, stat)| stat.get_region_id() > 0)
+            .extract_if(|_, (_, stat)| stat.get_region_id() > 0)
             .map(|(_, (_, stat))| stat)
             .filter(|stat| stat.get_total_duration_sec() > 1)
             .collect();

components/raftstore/src/store/txn_ext.rs

@@ -84,7 +84,7 @@ pub struct PeerPessimisticLocks {
     ///   likely to be proposed successfully, while the leader will need at
     ///   least another round to receive the transfer leader message from the
     ///   transferee.
-    ///  
+    ///
     /// - Split region The lock with the deleted mark SHOULD be moved to new
     ///   regions on region split. Considering the following cases with
     ///   different orders: 1. Propose write -> propose split -> apply write ->
@@ -244,7 +244,7 @@ impl PeerPessimisticLocks {
         // Locks that are marked deleted still need to be moved to the new regions,
         // and the deleted mark should also be cleared.
         // Refer to the comment in `PeerPessimisticLocks` for details.
-        let removed_locks = self.map.drain_filter(|key, _| {
+        let removed_locks = self.map.extract_if(|key, _| {
             let key = &**key.as_encoded();
             let (start_key, end_key) = (derived.get_start_key(), derived.get_end_key());
             key < start_key || (!end_key.is_empty() && key >= end_key)

components/resource_metering/src/lib.rs

@@ -2,7 +2,7 @@
 
 // TODO(mornyx): crate doc.
 
-#![feature(hash_drain_filter)]
+#![feature(hash_extract_if)]
 #![feature(core_intrinsics)]
 
 use std::{

components/resource_metering/src/model.rs

@@ -87,7 +87,7 @@ impl RawRecords {
         pdqselect::select_by(&mut buf, k, |a, b| b.cmp(a));
         let kth = buf[k];
         // Evict records with cpu time less or equal than `kth`
-        let evicted_records = self.records.drain_filter(|_, r| r.cpu_time <= kth);
+        let evicted_records = self.records.extract_if(|_, r| r.cpu_time <= kth);
         // Record evicted into others
         for (_, record) in evicted_records {
             others.merge(&record);

src/config/mod.rs

@@ -2064,7 +2064,7 @@ impl<T: ConfigurableDb + Send + Sync> ConfigManager for DbConfigManger<T> {
         self.cfg.update(change.clone())?;
         let change_str = format!("{:?}", change);
         let mut change: Vec<(String, ConfigValue)> = change.into_iter().collect();
-        let cf_config = change.drain_filter(|(name, _)| name.ends_with("cf"));
+        let cf_config = change.extract_if(|(name, _)| name.ends_with("cf"));
         for (cf_name, cf_change) in cf_config {
             if let ConfigValue::Module(mut cf_change) = cf_change {
                 // defaultcf -> default
@@ -2098,7 +2098,7 @@ impl<T: ConfigurableDb + Send + Sync> ConfigManager for DbConfigManger<T> {
         }
 
         if let Some(rate_bytes_config) = change
-            .drain_filter(|(name, _)| name == "rate_bytes_per_sec")
+            .extract_if(|(name, _)| name == "rate_bytes_per_sec")
             .next()
         {
             let rate_bytes_per_sec: ReadableSize = rate_bytes_config.1.into();
@@ -2107,7 +2107,7 @@ impl<T: ConfigurableDb + Send + Sync> ConfigManager for DbConfigManger<T> {
         }
 
         if let Some(rate_bytes_config) = change
-            .drain_filter(|(name, _)| name == "rate_limiter_auto_tuned")
+            .extract_if(|(name, _)| name == "rate_limiter_auto_tuned")
             .next()
         {
             let rate_limiter_auto_tuned: bool = rate_bytes_config.1.into();
@@ -2116,30 +2116,30 @@ impl<T: ConfigurableDb + Send + Sync> ConfigManager for DbConfigManger<T> {
         }
 
         if let Some(size) = change
-            .drain_filter(|(name, _)| name == "write_buffer_limit")
+            .extract_if(|(name, _)| name == "write_buffer_limit")
             .next()
         {
             let size: ReadableSize = size.1.into();
             self.db.set_flush_size(size.0 as usize)?;
         }
 
         if let Some(f) = change
-            .drain_filter(|(name, _)| name == "write_buffer_flush_oldest_first")
+            .extract_if(|(name, _)| name == "write_buffer_flush_oldest_first")
             .next()
         {
             self.db.set_flush_oldest_first(f.1.into())?;
         }
 
         if let Some(background_jobs_config) = change
-            .drain_filter(|(name, _)| name == "max_background_jobs")
+            .extract_if(|(name, _)| name == "max_background_jobs")
             .next()
         {
             let max_background_jobs: i32 = background_jobs_config.1.into();
             self.update_background_cfg(max_background_jobs, self.cfg.max_background_flushes)?;
         }
 
         if let Some(background_subcompactions_config) = change
-            .drain_filter(|(name, _)| name == "max_sub_compactions")
+            .extract_if(|(name, _)| name == "max_sub_compactions")
             .next()
         {
             let max_subcompactions: u32 = background_subcompactions_config.1.into();
@@ -2148,7 +2148,7 @@ impl<T: ConfigurableDb + Send + Sync> ConfigManager for DbConfigManger<T> {
         }
 
         if let Some(background_flushes_config) = change
-            .drain_filter(|(name, _)| name == "max_background_flushes")
+            .extract_if(|(name, _)| name == "max_background_flushes")
             .next()
         {
             let max_background_flushes: i32 = background_flushes_config.1.into();

src/lib.rs

@@ -23,7 +23,7 @@
 #![feature(proc_macro_hygiene)]
 #![feature(min_specialization)]
 #![feature(box_patterns)]
-#![feature(drain_filter)]
+#![feature(extract_if)]
 #![feature(deadline_api)]
 #![feature(let_chains)]
 #![feature(read_buf)]