feat: support table ttl (#1052)

* feat: purge expired sst on compaction

* chore: add more log

* fix: clippy

* fix: mark expired ssts as compacting before picking candidates

* fix: some CR comments

* fix: remove useless result

* fix: cr comments

src/cmd/src/standalone.rs

@@ -17,7 +17,9 @@ use std::sync::Arc;
 use clap::Parser;
 use common_base::Plugins;
 use common_telemetry::info;
-use datanode::datanode::{Datanode, DatanodeOptions, ObjectStoreConfig, WalConfig};
+use datanode::datanode::{
+    CompactionConfig, Datanode, DatanodeOptions, ObjectStoreConfig, WalConfig,
+};
 use datanode::instance::InstanceRef;
 use frontend::frontend::{Frontend, FrontendOptions};
 use frontend::grpc::GrpcOptions;
@@ -77,6 +79,7 @@ pub struct StandaloneOptions {
     pub mode: Mode,
     pub wal: WalConfig,
     pub storage: ObjectStoreConfig,
+    pub compaction: CompactionConfig,
     pub enable_memory_catalog: bool,
 }
 
@@ -94,6 +97,7 @@ impl Default for StandaloneOptions {
             mode: Mode::Standalone,
             wal: WalConfig::default(),
             storage: ObjectStoreConfig::default(),
+            compaction: CompactionConfig::default(),
             enable_memory_catalog: false,
         }
     }
@@ -120,6 +124,7 @@ impl StandaloneOptions {
             wal: self.wal,
             storage: self.storage,
             enable_memory_catalog: self.enable_memory_catalog,
+            compaction: self.compaction,
             ..Default::default()
         }
     }

src/common/time/src/error.rs

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 use std::any::Any;
+use std::num::TryFromIntError;
 
 use chrono::ParseError;
 use common_error::ext::ErrorExt;
@@ -24,8 +25,18 @@ use snafu::{Backtrace, ErrorCompat, Snafu};
 pub enum Error {
     #[snafu(display("Failed to parse string to date, raw: {}, source: {}", raw, source))]
     ParseDateStr { raw: String, source: ParseError },
+
     #[snafu(display("Failed to parse a string into Timestamp, raw string: {}", raw))]
     ParseTimestamp { raw: String, backtrace: Backtrace },
+
+    #[snafu(display("Current timestamp overflow, source: {}", source))]
+    TimestampOverflow {
+        source: TryFromIntError,
+        backtrace: Backtrace,
+    },
+
+    #[snafu(display("Timestamp arithmetic overflow, msg: {}", msg))]
+    ArithmeticOverflow { msg: String, backtrace: Backtrace },
 }
 
 impl ErrorExt for Error {
@@ -34,6 +45,8 @@ impl ErrorExt for Error {
             Error::ParseDateStr { .. } | Error::ParseTimestamp { .. } => {
                 StatusCode::InvalidArguments
             }
+            Error::TimestampOverflow { .. } => StatusCode::Internal,
+            Error::ArithmeticOverflow { .. } => StatusCode::InvalidArguments,
         }
     }
 

src/common/time/src/timestamp.rs

@@ -17,12 +17,15 @@ use std::cmp::Ordering;
 use std::fmt::{Display, Formatter};
 use std::hash::{Hash, Hasher};
 use std::str::FromStr;
+use std::time::Duration;
 
 use chrono::offset::Local;
 use chrono::{DateTime, LocalResult, NaiveDateTime, TimeZone, Utc};
 use serde::{Deserialize, Serialize};
+use snafu::{OptionExt, ResultExt};
 
-use crate::error::{Error, ParseTimestampSnafu};
+use crate::error;
+use crate::error::{ArithmeticOverflowSnafu, Error, ParseTimestampSnafu, TimestampOverflowSnafu};
 
 #[derive(Debug, Clone, Default, Copy, Serialize, Deserialize)]
 pub struct Timestamp {
@@ -31,6 +34,50 @@ pub struct Timestamp {
 }
 
 impl Timestamp {
+    /// Creates current timestamp in millisecond.
+    pub fn current_millis() -> Self {
+        Self {
+            value: crate::util::current_time_millis(),
+            unit: TimeUnit::Millisecond,
+        }
+    }
+
+    /// Subtracts a duration from timestamp.
+    /// # Note
+    /// The result time unit remains unchanged even if `duration` has a different unit with `self`.
+    /// For example, a timestamp with value 1 and time unit second, subtracted by 1 millisecond
+    /// and the result is still 1 second.
+    pub fn sub(&self, duration: Duration) -> error::Result<Self> {
+        let duration: i64 = match self.unit {
+            TimeUnit::Second => {
+                i64::try_from(duration.as_secs()).context(TimestampOverflowSnafu)?
+            }
+            TimeUnit::Millisecond => {
+                i64::try_from(duration.as_millis()).context(TimestampOverflowSnafu)?
+            }
+            TimeUnit::Microsecond => {
+                i64::try_from(duration.as_micros()).context(TimestampOverflowSnafu)?
+            }
+            TimeUnit::Nanosecond => {
+                i64::try_from(duration.as_nanos()).context(TimestampOverflowSnafu)?
+            }
+        };
+
+        let value = self
+            .value
+            .checked_sub(duration)
+            .with_context(|| ArithmeticOverflowSnafu {
+                msg: format!(
+                    "Try to subtract timestamp: {:?} with duration: {:?}",
+                    self, duration
+                ),
+            })?;
+        Ok(Timestamp {
+            value,
+            unit: self.unit,
+        })
+    }
+
     pub fn new(value: i64, unit: TimeUnit) -> Self {
         Self { unit, value }
     }
@@ -77,11 +124,11 @@ impl Timestamp {
     pub fn convert_to(&self, unit: TimeUnit) -> Option<Timestamp> {
         if self.unit().factor() >= unit.factor() {
             let mul = self.unit().factor() / unit.factor();
-            let value = self.value.checked_mul(mul)?;
+            let value = self.value.checked_mul(mul as i64)?;
             Some(Timestamp::new(value, unit))
         } else {
             let mul = unit.factor() / self.unit().factor();
-            Some(Timestamp::new(self.value.div_euclid(mul), unit))
+            Some(Timestamp::new(self.value.div_euclid(mul as i64), unit))
         }
     }
 
@@ -92,23 +139,25 @@ impl Timestamp {
     pub fn convert_to_ceil(&self, unit: TimeUnit) -> Option<Timestamp> {
         if self.unit().factor() >= unit.factor() {
             let mul = self.unit().factor() / unit.factor();
-            let value = self.value.checked_mul(mul)?;
+            let value = self.value.checked_mul(mul as i64)?;
             Some(Timestamp::new(value, unit))
         } else {
             let mul = unit.factor() / self.unit().factor();
-            Some(Timestamp::new(self.value.div_ceil(mul), unit))
+            Some(Timestamp::new(self.value.div_ceil(mul as i64), unit))
         }
     }
 
     /// Split a [Timestamp] into seconds part and nanoseconds part.
     /// Notice the seconds part of split result is always rounded down to floor.
-    fn split(&self) -> (i64, i64) {
-        let sec_mul = TimeUnit::Second.factor() / self.unit.factor();
-        let nsec_mul = self.unit.factor() / TimeUnit::Nanosecond.factor();
+    fn split(&self) -> (i64, u32) {
+        let sec_mul = (TimeUnit::Second.factor() / self.unit.factor()) as i64;
+        let nsec_mul = (self.unit.factor() / TimeUnit::Nanosecond.factor()) as i64;
 
         let sec_div = self.value.div_euclid(sec_mul);
         let sec_mod = self.value.rem_euclid(sec_mul);
-        (sec_div, sec_mod * nsec_mul)
+        // safety:  the max possible value of `sec_mod` is 999,999,999
+        let nsec = u32::try_from(sec_mod * nsec_mul).unwrap();
+        (sec_div, nsec)
     }
 
     /// Format timestamp to ISO8601 string. If the timestamp exceeds what chrono timestamp can
@@ -122,15 +171,8 @@ impl Timestamp {
     }
 
     pub fn to_chrono_datetime(&self) -> LocalResult<DateTime<Utc>> {
-        let nano_factor = TimeUnit::Second.factor() / TimeUnit::Nanosecond.factor();
-        let (mut secs, mut nsecs) = self.split();
-
-        if nsecs < 0 {
-            secs -= 1;
-            nsecs += nano_factor;
-        }
-
-        Utc.timestamp_opt(secs, nsecs as u32)
+        let (sec, nsec) = self.split();
+        Utc.timestamp_opt(sec, nsec)
     }
 }
 
@@ -252,7 +294,7 @@ impl Display for TimeUnit {
 }
 
 impl TimeUnit {
-    pub fn factor(&self) -> i64 {
+    pub fn factor(&self) -> u32 {
         match self {
             TimeUnit::Second => 1_000_000_000,
             TimeUnit::Millisecond => 1_000_000,
@@ -300,7 +342,7 @@ impl Hash for Timestamp {
     fn hash<H: Hasher>(&self, state: &mut H) {
         let (sec, nsec) = self.split();
         state.write_i64(sec);
-        state.write_i64(nsec);
+        state.write_u32(nsec);
     }
 }
 
@@ -789,4 +831,41 @@ mod tests {
             Timestamp::new(1, TimeUnit::Second).convert_to_ceil(TimeUnit::Millisecond)
         );
     }
+
+    #[test]
+    fn test_split_overflow() {
+        Timestamp::new(i64::MAX, TimeUnit::Second).split();
+        Timestamp::new(i64::MIN, TimeUnit::Second).split();
+        Timestamp::new(i64::MAX, TimeUnit::Millisecond).split();
+        Timestamp::new(i64::MIN, TimeUnit::Millisecond).split();
+        Timestamp::new(i64::MAX, TimeUnit::Microsecond).split();
+        Timestamp::new(i64::MIN, TimeUnit::Microsecond).split();
+        Timestamp::new(i64::MAX, TimeUnit::Nanosecond).split();
+        Timestamp::new(i64::MIN, TimeUnit::Nanosecond).split();
+        let (sec, nsec) = Timestamp::new(i64::MIN, TimeUnit::Nanosecond).split();
+        let time = NaiveDateTime::from_timestamp_opt(sec, nsec).unwrap();
+        assert_eq!(sec, time.timestamp());
+        assert_eq!(nsec, time.timestamp_subsec_nanos());
+    }
+
+    #[test]
+    fn test_timestamp_sub() {
+        let res = Timestamp::new(1, TimeUnit::Second)
+            .sub(Duration::from_secs(1))
+            .unwrap();
+        assert_eq!(0, res.value);
+        assert_eq!(TimeUnit::Second, res.unit);
+
+        let res = Timestamp::new(0, TimeUnit::Second)
+            .sub(Duration::from_secs(1))
+            .unwrap();
+        assert_eq!(-1, res.value);
+        assert_eq!(TimeUnit::Second, res.unit);
+
+        let res = Timestamp::new(1, TimeUnit::Second)
+            .sub(Duration::from_millis(1))
+            .unwrap();
+        assert_eq!(1, res.value);
+        assert_eq!(TimeUnit::Second, res.unit);
+    }
 }

src/storage/src/compaction/picker.rs

@@ -14,14 +14,20 @@
 
 use std::marker::PhantomData;
 use std::sync::Arc;
+use std::time::Duration;
 
-use common_telemetry::debug;
+use common_telemetry::{debug, error, info};
+use common_time::Timestamp;
+use snafu::ResultExt;
 use store_api::logstore::LogStore;
 
 use crate::compaction::scheduler::CompactionRequestImpl;
 use crate::compaction::strategy::{SimpleTimeWindowStrategy, StrategyRef};
 use crate::compaction::task::{CompactionTask, CompactionTaskImpl};
+use crate::error::TtlCalculationSnafu;
 use crate::scheduler::Request;
+use crate::sst::{FileHandle, Level};
+use crate::version::LevelMetasRef;
 
 /// Picker picks input SST files and builds the compaction task.
 /// Different compaction strategy may implement different pickers.
@@ -57,6 +63,24 @@ impl<S> SimplePicker<S> {
             _phantom_data: Default::default(),
         }
     }
+
+    fn get_expired_ssts(
+        &self,
+        levels: &LevelMetasRef,
+        ttl: Option<Duration>,
+    ) -> crate::error::Result<Vec<FileHandle>> {
+        let Some(ttl) = ttl else { return Ok(vec![]); };
+
+        let expire_time = Timestamp::current_millis()
+            .sub(ttl)
+            .context(TtlCalculationSnafu)?;
+
+        let mut expired_ssts = vec![];
+        for level in 0..levels.level_num() {
+            expired_ssts.extend(levels.level(level as Level).get_expired_files(&expire_time));
+        }
+        Ok(expired_ssts)
+    }
 }
 
 impl<S: LogStore> Picker for SimplePicker<S> {
@@ -69,6 +93,22 @@ impl<S: LogStore> Picker for SimplePicker<S> {
         req: &CompactionRequestImpl<S>,
     ) -> crate::error::Result<Option<CompactionTaskImpl<S>>> {
         let levels = &req.levels();
+        let expired_ssts = self
+            .get_expired_ssts(levels, req.ttl)
+            .map_err(|e| {
+                error!(e;"Failed to get region expired SST files, region: {}, ttl: {:?}", req.region_id, req.ttl);
+                e
+            })
+            .unwrap_or_default();
+
+        if !expired_ssts.is_empty() {
+            info!(
+                "Expired SSTs in region {}: {:?}",
+                req.region_id, expired_ssts
+            );
+            // here we mark expired SSTs as compacting to avoid them being picked.
+            expired_ssts.iter().for_each(|f| f.mark_compacting(true));
+        }
 
         for level_num in 0..levels.level_num() {
             let level = levels.level(level_num as u8);
@@ -91,6 +131,7 @@ impl<S: LogStore> Picker for SimplePicker<S> {
                 shared_data: req.shared.clone(),
                 wal: req.wal.clone(),
                 manifest: req.manifest.clone(),
+                expired_ssts,
             }));
         }
 

src/storage/src/compaction/scheduler.rs

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 use std::sync::Arc;
+use std::time::Duration;
 
 use common_telemetry::{debug, error, info};
 use store_api::logstore::LogStore;
@@ -48,6 +49,7 @@ pub struct CompactionRequestImpl<S: LogStore> {
     pub shared: SharedDataRef,
     pub manifest: RegionManifest,
     pub wal: Wal<S>,
+    pub ttl: Option<Duration>,
 }
 
 impl<S: LogStore> CompactionRequestImpl<S> {

src/storage/src/compaction/task.rs

@@ -42,6 +42,7 @@ pub struct CompactionTaskImpl<S: LogStore> {
     pub shared_data: SharedDataRef,
     pub wal: Wal<S>,
     pub manifest: RegionManifest,
+    pub expired_ssts: Vec<FileHandle>,
 }
 
 impl<S: LogStore> Debug for CompactionTaskImpl<S> {
@@ -60,19 +61,14 @@ impl<S: LogStore> Drop for CompactionTaskImpl<S> {
 
 impl<S: LogStore> CompactionTaskImpl<S> {
     /// Compacts inputs SSTs, returns `(output file, compacted input file)`.
-    async fn merge_ssts(&mut self) -> Result<(Vec<FileMeta>, Vec<FileMeta>)> {
+    async fn merge_ssts(&mut self) -> Result<(HashSet<FileMeta>, HashSet<FileMeta>)> {
         let mut futs = Vec::with_capacity(self.outputs.len());
         let mut compacted_inputs = HashSet::new();
         let region_id = self.shared_data.id();
         for output in self.outputs.drain(..) {
             let schema = self.schema.clone();
             let sst_layer = self.sst_layer.clone();
-            compacted_inputs.extend(output.inputs.iter().map(|f| FileMeta {
-                region_id,
-                file_name: f.file_name().to_string(),
-                time_range: *f.time_range(),
-                level: f.level(),
-            }));
+            compacted_inputs.extend(output.inputs.iter().map(FileHandle::meta));
 
             // TODO(hl): Maybe spawn to runtime to exploit in-job parallelism.
             futs.push(async move {
@@ -94,8 +90,8 @@ impl<S: LogStore> CompactionTaskImpl<S> {
     /// Writes updated SST info into manifest.
     async fn write_manifest_and_apply(
         &self,
-        output: Vec<FileMeta>,
-        input: Vec<FileMeta>,
+        output: HashSet<FileMeta>,
+        input: HashSet<FileMeta>,
     ) -> Result<()> {
         let version = &self.shared_data.version_control;
         let region_version = version.metadata().version();
@@ -103,8 +99,8 @@ impl<S: LogStore> CompactionTaskImpl<S> {
         let edit = RegionEdit {
             region_version,
             flushed_sequence: None,
-            files_to_add: output,
-            files_to_remove: input,
+            files_to_add: Vec::from_iter(output.into_iter()),
+            files_to_remove: Vec::from_iter(input.into_iter()),
         };
         info!(
             "Compacted region: {}, region edit: {:?}",
@@ -131,10 +127,11 @@ impl<S: LogStore> CompactionTask for CompactionTaskImpl<S> {
     async fn run(mut self) -> Result<()> {
         self.mark_files_compacting(true);
 
-        let (output, compacted) = self.merge_ssts().await.map_err(|e| {
+        let (output, mut compacted) = self.merge_ssts().await.map_err(|e| {
             error!(e; "Failed to compact region: {}", self.shared_data.name());
             e
         })?;
+        compacted.extend(self.expired_ssts.iter().map(FileHandle::meta));
         self.write_manifest_and_apply(output, compacted)
             .await
             .map_err(|e| {

src/storage/src/engine.rs

@@ -14,6 +14,7 @@
 
 use std::collections::HashMap;
 use std::sync::{Arc, RwLock};
+use std::time::Duration;
 
 use async_trait::async_trait;
 use common_telemetry::logging::info;
@@ -289,7 +290,8 @@ impl<S: LogStore> EngineInner<S> {
 
         let mut guard = SlotGuard::new(name, &self.regions);
 
-        let store_config = self.region_store_config(&opts.parent_dir, opts.write_buffer_size, name);
+        let store_config =
+            self.region_store_config(&opts.parent_dir, opts.write_buffer_size, name, opts.ttl);
 
         let region = match RegionImpl::open(name.to_string(), store_config, opts).await? {
             None => return Ok(None),
@@ -319,8 +321,12 @@ impl<S: LogStore> EngineInner<S> {
                 .context(error::InvalidRegionDescSnafu {
                     region: &region_name,
                 })?;
-        let store_config =
-            self.region_store_config(&opts.parent_dir, opts.write_buffer_size, &region_name);
+        let store_config = self.region_store_config(
+            &opts.parent_dir,
+            opts.write_buffer_size,
+            &region_name,
+            opts.ttl,
+        );
 
         let region = RegionImpl::create(metadata, store_config).await?;
 
@@ -341,6 +347,7 @@ impl<S: LogStore> EngineInner<S> {
         parent_dir: &str,
         write_buffer_size: Option<usize>,
         region_name: &str,
+        ttl: Option<Duration>,
     ) -> StoreConfig<S> {
         let parent_dir = util::normalize_dir(parent_dir);
 
@@ -363,6 +370,7 @@ impl<S: LogStore> EngineInner<S> {
             compaction_scheduler: self.compaction_scheduler.clone(),
             engine_config: self.config.clone(),
             file_purger: self.file_purger.clone(),
+            ttl,
         }
     }
 }

src/storage/src/error.rs

@@ -434,6 +434,12 @@ pub enum Error {
         source: object_store::Error,
         backtrace: Backtrace,
     },
+
+    #[snafu(display("Failed to calculate SST expire time, source: {}", source))]
+    TtlCalculation {
+        #[snafu(backtrace)]
+        source: common_time::error::Error,
+    },
 }
 
 pub type Result<T> = std::result::Result<T, Error>;
@@ -508,6 +514,7 @@ impl ErrorExt for Error {
             StopScheduler { .. } => StatusCode::Internal,
             DeleteSst { .. } => StatusCode::StorageUnavailable,
             IllegalSchedulerState { .. } => StatusCode::Unexpected,
+            TtlCalculation { source, .. } => source.status_code(),
         }
     }
 

src/storage/src/region.rs

@@ -19,6 +19,7 @@ mod writer;
 use std::collections::BTreeMap;
 use std::fmt;
 use std::sync::Arc;
+use std::time::Duration;
 
 use async_trait::async_trait;
 use common_telemetry::logging;
@@ -140,6 +141,7 @@ pub struct StoreConfig<S: LogStore> {
     pub compaction_scheduler: CompactionSchedulerRef<S>,
     pub engine_config: Arc<EngineConfig>,
     pub file_purger: FilePurgerRef,
+    pub ttl: Option<Duration>,
 }
 
 pub type RecoverdMetadata = (SequenceNumber, (ManifestVersion, RawRegionMetadata));
@@ -198,6 +200,7 @@ impl<S: LogStore> RegionImpl<S> {
             writer: Arc::new(RegionWriter::new(
                 store_config.memtable_builder,
                 store_config.engine_config.clone(),
+                store_config.ttl,
             )),
             wal,
             flush_strategy: store_config.flush_strategy,
@@ -277,6 +280,7 @@ impl<S: LogStore> RegionImpl<S> {
         let writer = Arc::new(RegionWriter::new(
             store_config.memtable_builder,
             store_config.engine_config.clone(),
+            store_config.ttl,
         ));
         let writer_ctx = WriterContext {
             shared: &shared,

src/storage/src/region/writer.rs

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 use std::sync::Arc;
+use std::time::Duration;
 
 use common_error::prelude::BoxedError;
 use common_telemetry::tracing::log::info;
@@ -60,9 +61,13 @@ pub struct RegionWriter {
 }
 
 impl RegionWriter {
-    pub fn new(memtable_builder: MemtableBuilderRef, config: Arc<EngineConfig>) -> RegionWriter {
+    pub fn new(
+        memtable_builder: MemtableBuilderRef,
+        config: Arc<EngineConfig>,
+        ttl: Option<Duration>,
+    ) -> RegionWriter {
         RegionWriter {
-            inner: Mutex::new(WriterInner::new(memtable_builder, config)),
+            inner: Mutex::new(WriterInner::new(memtable_builder, config, ttl)),
             version_mutex: Mutex::new(()),
         }
     }
@@ -324,15 +329,21 @@ struct WriterInner {
     /// It should protected by upper mutex
     closed: bool,
     engine_config: Arc<EngineConfig>,
+    ttl: Option<Duration>,
 }
 
 impl WriterInner {
-    fn new(memtable_builder: MemtableBuilderRef, engine_config: Arc<EngineConfig>) -> WriterInner {
+    fn new(
+        memtable_builder: MemtableBuilderRef,
+        engine_config: Arc<EngineConfig>,
+        ttl: Option<Duration>,
+    ) -> WriterInner {
         WriterInner {
             memtable_builder,
             flush_handle: None,
             engine_config,
             closed: false,
+            ttl,
         }
     }
 
@@ -596,7 +607,7 @@ impl WriterInner {
             return Ok(());
         }
 
-        let cb = Self::build_flush_callback(&current_version, ctx, &self.engine_config);
+        let cb = Self::build_flush_callback(&current_version, ctx, &self.engine_config, self.ttl);
 
         let flush_req = FlushJob {
             max_memtable_id: max_memtable_id.unwrap(),
@@ -624,6 +635,7 @@ impl WriterInner {
         version: &VersionRef,
         ctx: &WriterContext<S>,
         config: &Arc<EngineConfig>,
+        ttl: Option<Duration>,
     ) -> Option<FlushCallback> {
         let region_id = version.metadata().id();
         let compaction_request = CompactionRequestImpl {
@@ -633,6 +645,7 @@ impl WriterInner {
             shared: ctx.shared.clone(),
             manifest: ctx.manifest.clone(),
             wal: ctx.wal.clone(),
+            ttl,
         };
         let compaction_scheduler = ctx.compaction_scheduler.clone();
         let shared_data = ctx.shared.clone();

src/storage/src/sst.rs

@@ -145,6 +145,21 @@ impl LevelMeta {
         self.files.len()
     }
 
+    /// Returns expired SSTs from current level.
+    pub fn get_expired_files(&self, expire_time: &Timestamp) -> Vec<FileHandle> {
+        self.files
+            .iter()
+            .filter_map(|(_, v)| {
+                let Some((_, end)) = v.time_range() else { return None; };
+                if end < expire_time {
+                    Some(v.clone())
+                } else {
+                    None
+                }
+            })
+            .collect()
+    }
+
     pub fn files(&self) -> impl Iterator<Item = &FileHandle> {
         self.files.values()
     }
@@ -212,6 +227,11 @@ impl FileHandle {
     pub fn mark_deleted(&self) {
         self.inner.deleted.store(true, Ordering::Relaxed);
     }
+
+    #[inline]
+    pub fn meta(&self) -> FileMeta {
+        self.inner.meta.clone()
+    }
 }
 
 /// Actually data of [FileHandle].

src/storage/src/test_util/config_util.rs

@@ -69,5 +69,6 @@ pub async fn new_store_config(
         compaction_scheduler,
         engine_config: Default::default(),
         file_purger,
+        ttl: None,
     }
 }