fix: pop logs in log segment

crates/core/src/kernel/snapshot/log_segment.rs

@@ -70,9 +70,9 @@ impl PathExt for Path {
 }
 
 #[derive(Debug, Clone, PartialEq)]
-pub(super) struct LogSegment {
+pub struct LogSegment {
     pub(super) version: i64,
-    pub(super) commit_files: VecDeque<ObjectMeta>,
+    pub commit_files: VecDeque<ObjectMeta>,
     pub(super) checkpoint_files: Vec<ObjectMeta>,
 }
 

crates/core/src/kernel/snapshot/mod.rs

@@ -15,7 +15,7 @@
 //!
 //!
 
-use std::collections::{HashMap, HashSet};
+use std::collections::{HashMap, HashSet, VecDeque};
 use std::io::{BufRead, BufReader, Cursor};
 use std::sync::Arc;
 
@@ -34,10 +34,12 @@ use super::{
     Action, Add, AddCDCFile, CommitInfo, DataType, Metadata, Protocol, Remove, StructField,
     Transaction,
 };
+use crate::checkpoints::cleanup_expired_logs_for;
 use crate::kernel::parse::read_cdf_adds;
 use crate::kernel::{ActionType, StructType};
 use crate::logstore::LogStore;
 use crate::operations::transaction::CommitData;
+use crate::protocol::ProtocolError;
 use crate::table::config::TableConfig;
 use crate::{DeltaResult, DeltaTableConfig, DeltaTableError};
 
@@ -53,7 +55,7 @@ mod visitors;
 /// A snapshot of a Delta table
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
 pub struct Snapshot {
-    log_segment: LogSegment,
+    pub log_segment: LogSegment,
     config: DeltaTableConfig,
     protocol: Protocol,
     metadata: Metadata,
@@ -567,6 +569,44 @@ impl EagerSnapshot {
             ))
     }
 
+    pub async fn clean_up_logs(
+        &mut self,
+        until_version: i64,
+        log_store: &dyn LogStore,
+        cutoff_timestamp: i64,
+    ) -> Result<usize, ProtocolError> {
+        let mut deleted =
+            cleanup_expired_logs_for(until_version, log_store, cutoff_timestamp).await?;
+        let mut survived_files = VecDeque::new();
+
+        while !deleted.is_empty() {
+            if deleted.is_empty() {
+                break
+            }
+            if self.snapshot.log_segment.commit_files.is_empty() {
+                break
+            }
+
+            match self.snapshot.log_segment.commit_files.pop_back() {
+                Some(end) => {
+                    if let Ok(idx) = deleted.binary_search(&end.location) {
+                        deleted.remove(idx);
+                    } else {
+                        survived_files.push_front(end.clone());
+                    }
+                }
+                None => (),
+            }
+        }
+
+        self.snapshot
+            .log_segment
+            .commit_files
+            .append(&mut survived_files);
+
+        Ok(deleted.len())
+    }
+
     /// Advance the snapshot based on the given commit actions
     pub fn advance<'a>(
         &mut self,

crates/core/src/operations/transaction/mod.rs

@@ -85,7 +85,7 @@ use serde_json::Value;
 use tracing::warn;
 
 use self::conflict_checker::{TransactionInfo, WinningCommitSummary};
-use crate::checkpoints::{cleanup_expired_logs_for, create_checkpoint_for};
+use crate::checkpoints::create_checkpoint_for;
 use crate::errors::DeltaTableError;
 use crate::kernel::{
     Action, CommitInfo, EagerSnapshot, Metadata, Protocol, ReaderFeatures, Transaction,
@@ -664,7 +664,7 @@ impl PostCommit<'_> {
             } else {
                 snapshot.advance(vec![&self.data])?;
             }
-            let state = DeltaTableState { snapshot };
+            let mut state = DeltaTableState { snapshot };
             // Execute each hook
             if self.create_checkpoint {
                 self.create_checkpoint(&state, &self.log_store, self.version)
@@ -677,13 +677,15 @@ impl PostCommit<'_> {
             };
 
             if cleanup_logs {
-                cleanup_expired_logs_for(
-                    self.version,
-                    self.log_store.as_ref(),
-                    Utc::now().timestamp_millis()
-                        - state.table_config().log_retention_duration().as_millis() as i64,
-                )
-                .await?;
+                state
+                    .snapshot
+                    .clean_up_logs(
+                        self.version,
+                        self.log_store.as_ref(),
+                        Utc::now().timestamp_millis()
+                            - state.table_config().log_retention_duration().as_millis() as i64,
+                    )
+                    .await?;
             }
             Ok(state)
         } else {

crates/core/src/operations/vacuum.rs

@@ -202,6 +202,7 @@ impl VacuumBuilder {
             self.log_store.object_store().clone(),
         )
         .await?;
+
         let valid_files = self.snapshot.file_paths_iter().collect::<HashSet<Path>>();
 
         let mut files_to_delete = vec![];

crates/core/src/protocol/checkpoints.rs

@@ -10,6 +10,7 @@ use chrono::{Datelike, NaiveDate, NaiveDateTime, Utc};
 use futures::{StreamExt, TryStreamExt};
 use itertools::Itertools;
 use lazy_static::lazy_static;
+use object_store::path::Path;
 use object_store::{Error, ObjectStore};
 use parquet::arrow::ArrowWriter;
 use parquet::basic::Compression;
@@ -27,7 +28,7 @@ use crate::kernel::{
 use crate::logstore::LogStore;
 use crate::table::state::DeltaTableState;
 use crate::table::{get_partition_col_data_types, CheckPoint, CheckPointBuilder};
-use crate::{open_table_with_version, DeltaTable};
+use crate::{open_table_with_version, DeltaTable, DeltaTableError};
 
 type SchemaPath = Vec<String>;
 
@@ -96,22 +97,25 @@ pub async fn create_checkpoint(table: &DeltaTable) -> Result<(), ProtocolError>
     Ok(())
 }
 
-/// Delete expires log files before given version from table. The table log retention is based on
-/// the `logRetentionDuration` property of the Delta Table, 30 days by default.
-pub async fn cleanup_metadata(table: &DeltaTable) -> Result<usize, ProtocolError> {
+// / Delete expires log files before given version from table. The table log retention is based on
+// / the `logRetentionDuration` property of the Delta Table, 30 days by default.
+pub async fn cleanup_metadata(table: &DeltaTable) -> Result<(Option<DeltaTableState>, usize), ProtocolError> {
     let log_retention_timestamp = Utc::now().timestamp_millis()
         - table
             .snapshot()
             .map_err(|_| ProtocolError::NoMetaData)?
             .table_config()
             .log_retention_duration()
             .as_millis() as i64;
-    cleanup_expired_logs_for(
-        table.version(),
-        table.log_store.as_ref(),
-        log_retention_timestamp,
-    )
-    .await
+    let version = table.version();
+
+    let mut state: Option<DeltaTableState> = table.state.clone();
+    let size = state.as_mut()
+        .ok_or(ProtocolError::NoMetaData)?
+        .snapshot
+        .clean_up_logs(version, table.log_store.as_ref(), log_retention_timestamp)
+        .await?;
+    Ok((state, size))
 }
 
 /// Loads table from given `table_uri` at given `version` and creates checkpoint for it.
@@ -132,7 +136,7 @@ pub async fn create_checkpoint_from_table_uri_and_cleanup(
         cleanup.unwrap_or_else(|| snapshot.table_config().enable_expired_log_cleanup());
 
     if table.version() >= 0 && enable_expired_log_cleanup {
-        let deleted_log_num = cleanup_metadata(&table).await?;
+        let (_,deleted_log_num) = cleanup_metadata(&table).await?;
         debug!("Deleted {:?} log files.", deleted_log_num);
     }
 
@@ -198,7 +202,7 @@ pub async fn cleanup_expired_logs_for(
     until_version: i64,
     log_store: &dyn LogStore,
     cutoff_timestamp: i64,
-) -> Result<usize, ProtocolError> {
+) -> Result<Vec<Path>, ProtocolError> {
     lazy_static! {
         static ref DELTA_LOG_REGEX: Regex =
             Regex::new(r"_delta_log/(\d{20})\.(json|checkpoint|json.tmp).*$").unwrap();
@@ -210,7 +214,7 @@ pub async fn cleanup_expired_logs_for(
         .await;
 
     if let Err(Error::NotFound { path: _, source: _ }) = maybe_last_checkpoint {
-        return Ok(0);
+        return Ok(vec![]);
     }
 
     let last_checkpoint = maybe_last_checkpoint?.bytes().await?;
@@ -255,7 +259,7 @@ pub async fn cleanup_expired_logs_for(
         .await?;
 
     debug!("Deleted {} expired logs", deleted.len());
-    Ok(deleted.len())
+    Ok(deleted)
 }
 
 fn parquet_bytes_from_state(
@@ -889,7 +893,8 @@ mod tests {
             log_retention_timestamp,
         )
         .await
-        .unwrap();
+        .unwrap()
+        .len();
         assert_eq!(count, 0);
         println!("{:?}", count);
 
@@ -917,7 +922,8 @@ mod tests {
             log_retention_timestamp,
         )
         .await
-        .unwrap();
+        .unwrap()
+        .len();
         assert_eq!(count, 1);
 
         let log_store = table.log_store();

python/deltalake/_internal.pyi

@@ -222,6 +222,21 @@ class RawDeltaTable:
         ending_timestamp: Optional[str] = None,
         allow_out_of_range: bool = False,
     ) -> pyarrow.RecordBatchReader: ...
+    def write(
+        self,
+        data: pyarrow.RecordBatchReader,
+        partition_by: Optional[List[str]],
+        mode: str,
+        schema_mode: Optional[str],
+        predicate: Optional[str],
+        target_file_size: Optional[int],
+        name: Optional[str],
+        description: Optional[str],
+        configuration: Optional[Mapping[str, Optional[str]]],
+        writer_properties: Optional[WriterProperties],
+        commit_properties: Optional[CommitProperties],
+        post_commithook_properties: Optional[PostCommitHookProperties],
+    ) -> None: ...
     def transaction_versions(self) -> Dict[str, Transaction]: ...
     def __datafusion_table_provider__(self) -> Any: ...
 
@@ -243,7 +258,6 @@ def write_to_deltalake(
     data: pyarrow.RecordBatchReader,
     partition_by: Optional[List[str]],
     mode: str,
-    table: Optional[RawDeltaTable],
     schema_mode: Optional[str],
     predicate: Optional[str],
     target_file_size: Optional[int],

python/deltalake/writer.py

@@ -320,25 +320,38 @@ def write_deltalake(
             conversion_mode=ArrowSchemaConversionMode.PASSTHROUGH,
         )
         data = RecordBatchReader.from_batches(schema, (batch for batch in data))
-        write_deltalake_rust(
-            table_uri=table_uri,
-            data=data,
-            partition_by=partition_by,
-            mode=mode,
-            table=table._table if table is not None else None,
-            schema_mode=schema_mode,
-            predicate=predicate,
-            target_file_size=target_file_size,
-            name=name,
-            description=description,
-            configuration=configuration,
-            storage_options=storage_options,
-            writer_properties=writer_properties,
-            commit_properties=commit_properties,
-            post_commithook_properties=post_commithook_properties,
-        )
         if table:
-            table.update_incremental()
+            table._table.write(
+                data=data,
+                partition_by=partition_by,
+                mode=mode,
+                schema_mode=schema_mode,
+                predicate=predicate,
+                target_file_size=target_file_size,
+                name=name,
+                description=description,
+                configuration=configuration,
+                writer_properties=writer_properties,
+                commit_properties=commit_properties,
+                post_commithook_properties=post_commithook_properties,
+            )
+        else:
+            write_deltalake_rust(
+                table_uri=table_uri,
+                data=data,
+                partition_by=partition_by,
+                mode=mode,
+                schema_mode=schema_mode,
+                predicate=predicate,
+                target_file_size=target_file_size,
+                name=name,
+                description=description,
+                configuration=configuration,
+                storage_options=storage_options,
+                writer_properties=writer_properties,
+                commit_properties=commit_properties,
+                post_commithook_properties=post_commithook_properties,
+            )
     elif engine == "pyarrow":
         warnings.warn(
             "pyarrow engine is deprecated and will be removed in v1.0",