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core: Switch to parking_lot::Mutex

Browse Source 
It's faster and we eliminate bunch of unwrap() calls.
This commit is contained in:
Pekka Enberg
2025-11-20 09:51:01 +02:00
parent 9a3cc2ac40
commit d808db6af9
25 changed files with 81 additions and 93 deletions
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7
core/ext/mod.rs
View File

@@ -15,9 +15,10 @@ use crate::{vtab::VirtualTable, SymbolTable};
use crate::{LimboError, IO};
#[cfg(feature = "fs")]
pub use dynamic::{add_builtin_vfs_extensions, add_vfs_module, list_vfs_modules, VfsMod};
use parking_lot::Mutex;
use std::{
ffi::{c_char, c_void, CStr, CString},
sync::{Arc, Mutex},
sync::Arc,
};
use turso_ext::{
ExtensionApi, InitAggFunction, ResultCode, ScalarFunction, VTabKind, VTabModuleImpl,
@@ -65,9 +66,7 @@ pub(crate) unsafe extern "C" fn register_vtab_module(
// Use the schema handler to insert the table
let table = Arc::new(Table::Virtual(vtab));
let mutex = &*(ext_ctx.schema as *mut Mutex<Arc<Schema>>);
let Ok(guard) = mutex.lock() else {
return ResultCode::Error;
};
let guard = mutex.lock();
let schema_ptr = Arc::as_ptr(&*guard) as *mut Schema;
(*schema_ptr).tables.insert(name_str, table);
} else {

5
core/incremental/aggregate_operator.rs
View File

@@ -10,9 +10,10 @@ use crate::incremental::persistence::{ReadRecord, WriteRow};
use crate::storage::btree::CursorTrait;
use crate::types::{IOResult, ImmutableRecord, SeekKey, SeekOp, SeekResult, ValueRef};
use crate::{return_and_restore_if_io, return_if_io, LimboError, Result, Value};
use parking_lot::Mutex;
use std::collections::{BTreeMap, HashMap, HashSet};
use std::fmt::{self, Display};
use std::sync::{Arc, Mutex};
use std::sync::Arc;
// Architecture of the Aggregate Operator
// ========================================
@@ -1492,7 +1493,7 @@ impl AggregateOperator {
// Process each change in the delta
for (row, weight) in delta.changes.iter() {
if let Some(tracker) = &self.tracker {
tracker.lock().unwrap().record_aggregation();
tracker.lock().record_aggregation();
}
// Extract group key

7
core/incremental/cursor.rs
View File

@@ -9,7 +9,8 @@ use crate::{
types::{IOResult, SeekKey, SeekOp, SeekResult, Value},
LimboError, Pager, Result,
};
use std::sync::{Arc, Mutex};
use parking_lot::Mutex;
use std::sync::Arc;
/// State machine for seek operations
#[derive(Debug)]
@@ -89,7 +90,7 @@ impl MaterializedViewCursor {
}
// Get the view and the current transaction state
let mut view_guard = self.view.lock().unwrap();
let mut view_guard = self.view.lock();
let table_deltas = self.tx_state.get_table_deltas();
// Process the deltas through the circuit to get materialized changes
@@ -350,7 +351,7 @@ mod tests {
))?;
// Get the view's root page
let view = view_mutex.lock().unwrap();
let view = view_mutex.lock();
let root_page = view.get_root_page();
if root_page == 0 {
return Err(crate::LimboError::InternalError(

7
core/incremental/filter_operator.rs
View File

@@ -8,7 +8,8 @@ use crate::incremental::operator::{
};
use crate::types::IOResult;
use crate::{Result, Value};
use std::sync::{Arc, Mutex};
use parking_lot::Mutex;
use std::sync::Arc;
/// Filter predicate for filtering rows
#[derive(Debug, Clone)]
@@ -260,7 +261,7 @@ impl IncrementalOperator for FilterOperator {
// Process the delta through the filter
for (row, weight) in delta.changes {
if let Some(tracker) = &self.tracker {
tracker.lock().unwrap().record_filter();
tracker.lock().record_filter();
}
// Only pass through rows that satisfy the filter predicate
@@ -292,7 +293,7 @@ impl IncrementalOperator for FilterOperator {
// Only pass through and track rows that satisfy the filter predicate
for (row, weight) in deltas.left.changes {
if let Some(tracker) = &self.tracker {
tracker.lock().unwrap().record_filter();
tracker.lock().record_filter();
}
// Only track and output rows that pass the filter

3
core/incremental/input_operator.rs
View File

@@ -7,7 +7,8 @@ use crate::incremental::operator::{
};
use crate::types::IOResult;
use crate::Result;
use std::sync::{Arc, Mutex};
use parking_lot::Mutex;
use std::sync::Arc;
/// Input operator - source of data for the circuit
/// Represents base relations/tables that receive external updates

5
core/incremental/join_operator.rs
View File

@@ -9,7 +9,8 @@ use crate::incremental::persistence::WriteRow;
use crate::storage::btree::CursorTrait;
use crate::types::{IOResult, ImmutableRecord, SeekKey, SeekOp, SeekResult};
use crate::{return_and_restore_if_io, return_if_io, Result, Value};
use std::sync::{Arc, Mutex};
use parking_lot::Mutex;
use std::sync::Arc;
#[derive(Debug, Clone, PartialEq)]
pub enum JoinType {
@@ -499,7 +500,7 @@ impl JoinOperator {
if Self::sql_keys_equal(&left_key, &right_key) {
if let Some(tracker) = &self.tracker {
tracker.lock().unwrap().record_join_lookup();
tracker.lock().record_join_lookup();
}
// Combine the rows

3
core/incremental/merge_operator.rs
View File

@@ -7,10 +7,11 @@ use crate::incremental::operator::{
};
use crate::types::IOResult;
use crate::Result;
use parking_lot::Mutex;
use std::collections::{hash_map::DefaultHasher, HashMap};
use std::fmt::{self, Display};
use std::hash::{Hash, Hasher};
use std::sync::{Arc, Mutex};
use std::sync::Arc;
/// How the merge operator should handle rowids when combining deltas
#[derive(Debug, Clone)]

16
core/incremental/operator.rs
View File

@@ -15,8 +15,9 @@ use crate::schema::{Index, IndexColumn};
use crate::storage::btree::BTreeCursor;
use crate::types::IOResult;
use crate::Result;
use parking_lot::Mutex;
use std::fmt::Debug;
use std::sync::{Arc, Mutex};
use std::sync::Arc;
/// Struct to hold both table and index cursors for DBSP state operations
pub struct DbspStateCursors {
@@ -263,7 +264,8 @@ mod tests {
use crate::util::IOExt;
use crate::Value;
use crate::{Database, MemoryIO, IO};
use std::sync::{Arc, Mutex};
use parking_lot::Mutex;
use std::sync::Arc;
/// Create a test pager for operator tests with both table and index
fn create_test_pager() -> (std::sync::Arc<crate::Pager>, i64, i64) {
@@ -702,7 +704,7 @@ mod tests {
.unwrap();
// Reset tracker for delta processing
tracker.lock().unwrap().aggregation_updates = 0;
tracker.lock().aggregation_updates = 0;
// Add one item to category 'cat_0'
let mut delta = Delta::new();
@@ -720,7 +722,7 @@ mod tests {
.block(|| agg.commit((&delta).into(), &mut cursors))
.unwrap();
assert_eq!(tracker.lock().unwrap().aggregation_updates, 1);
assert_eq!(tracker.lock().aggregation_updates, 1);
// Check the final state - cat_0 should now have count 11
let final_state = get_current_state_from_btree(&agg, &pager, &mut cursors);
@@ -732,7 +734,7 @@ mod tests {
assert_eq!(cat_0.0.values[1], Value::Integer(11));
// Verify incremental behavior - we process the delta twice (eval + commit)
let t = tracker.lock().unwrap();
let t = tracker.lock();
assert_incremental(&t, 2, 101);
}
@@ -804,7 +806,7 @@ mod tests {
assert_eq!(widget_sum.values[1], Value::Integer(250));
// Reset tracker
tracker.lock().unwrap().aggregation_updates = 0;
tracker.lock().aggregation_updates = 0;
// Add sale of 50 for Widget
let mut delta = Delta::new();
@@ -822,7 +824,7 @@ mod tests {
.block(|| agg.commit((&delta).into(), &mut cursors))
.unwrap();
assert_eq!(tracker.lock().unwrap().aggregation_updates, 1);
assert_eq!(tracker.lock().aggregation_updates, 1);
// Check final state - Widget should now be 300 (250 + 50)
let final_state = get_current_state_from_btree(&agg, &pager, &mut cursors);

7
core/incremental/project_operator.rs
View File

@@ -8,7 +8,8 @@ use crate::incremental::operator::{
};
use crate::types::IOResult;
use crate::{Connection, Database, Result, Value};
use std::sync::{atomic::Ordering, Arc, Mutex};
use parking_lot::Mutex;
use std::sync::{atomic::Ordering, Arc};
#[derive(Debug, Clone)]
pub struct ProjectColumn {
@@ -124,7 +125,7 @@ impl IncrementalOperator for ProjectOperator {
for (row, weight) in delta.changes {
if let Some(tracker) = &self.tracker {
tracker.lock().unwrap().record_project();
tracker.lock().record_project();
}
let projected = self.project_values(&row.values);
@@ -152,7 +153,7 @@ impl IncrementalOperator for ProjectOperator {
// Commit the delta to our internal state and build output
for (row, weight) in &deltas.left.changes {
if let Some(tracker) = &self.tracker {
tracker.lock().unwrap().record_project();
tracker.lock().record_project();
}
let projected = self.project_values(&row.values);
let projected_row = HashableRow::new(row.rowid, projected);

3
core/incremental/view.rs
View File

@@ -7,11 +7,12 @@ use crate::translate::logical::LogicalPlanBuilder;
use crate::types::{IOResult, Value};
use crate::util::{extract_view_columns, ViewColumnSchema};
use crate::{return_if_io, LimboError, Pager, Result, Statement};
use parking_lot::Mutex;
use std::cell::RefCell;
use std::collections::{HashMap, HashSet};
use std::fmt;
use std::rc::Rc;
use std::sync::{Arc, Mutex};
use std::sync::Arc;
use turso_parser::ast;
use turso_parser::{
ast::{Cmd, Stmt},

7
core/io/memory.rs
View File

@@ -3,10 +3,11 @@ use crate::turso_assert;
use crate::{io::clock::DefaultClock, Result};
use crate::io::clock::Instant;
use parking_lot::Mutex;
use std::{
cell::{Cell, UnsafeCell},
collections::{BTreeMap, HashMap},
sync::{Arc, Mutex},
sync::Arc,
};
use tracing::debug;
@@ -42,7 +43,7 @@ impl Clock for MemoryIO {
impl IO for MemoryIO {
fn open_file(&self, path: &str, flags: OpenFlags, _direct: bool) -> Result<Arc<dyn File>> {
let mut files = self.files.lock().unwrap();
let mut files = self.files.lock();
if !files.contains_key(path) && !flags.contains(OpenFlags::Create) {
return Err(
crate::error::CompletionError::IOError(std::io::ErrorKind::NotFound).into(),
@@ -61,7 +62,7 @@ impl IO for MemoryIO {
Ok(files.get(path).unwrap().clone())
}
fn remove_file(&self, path: &str) -> Result<()> {
let mut files = self.files.lock().unwrap();
let mut files = self.files.lock();
files.remove(path);
Ok(())
}

28
core/lib.rs
View File

@@ -67,7 +67,7 @@ pub use io::{
Buffer, Completion, CompletionType, File, GroupCompletion, MemoryIO, OpenFlags, PlatformIO,
SyscallIO, WriteCompletion, IO,
};
use parking_lot::RwLock;
use parking_lot::{Mutex, RwLock};
use rustc_hash::FxHashMap;
use schema::Schema;
use std::collections::HashSet;
@@ -82,7 +82,7 @@ use std::{
rc::Rc,
sync::{
atomic::{AtomicBool, AtomicI32, AtomicI64, AtomicIsize, AtomicU16, AtomicUsize, Ordering},
Arc, LazyLock, Mutex, Weak,
Arc, LazyLock, Weak,
},
time::Duration,
};
@@ -276,7 +276,7 @@ impl fmt::Debug for Database {
};
debug_struct.field("mv_store", &mv_store_status);
let init_lock_status = if self.init_lock.try_lock().is_ok() {
let init_lock_status = if self.init_lock.try_lock().is_some() {
"unlocked"
} else {
"locked"
@@ -380,7 +380,7 @@ impl Database {
);
}
let mut registry = DATABASE_MANAGER.lock().unwrap();
let mut registry = DATABASE_MANAGER.lock();
let canonical_path = std::fs::canonicalize(path)
.ok()
@@ -623,7 +623,7 @@ impl Database {
let conn = Arc::new(Connection {
db: self.clone(),
pager: ArcSwap::new(pager),
schema: RwLock::new(self.schema.lock().unwrap().clone()),
schema: RwLock::new(self.schema.lock().clone()),
database_schemas: RwLock::new(FxHashMap::default()),
auto_commit: AtomicBool::new(true),
transaction_state: AtomicTransactionState::new(TransactionState::None),
@@ -900,17 +900,17 @@ impl Database {
#[inline]
pub(crate) fn with_schema_mut<T>(&self, f: impl FnOnce(&mut Schema) -> Result<T>) -> Result<T> {
let mut schema_ref = self.schema.lock().unwrap();
let mut schema_ref = self.schema.lock();
let schema = Arc::make_mut(&mut *schema_ref);
f(schema)
}
pub(crate) fn clone_schema(&self) -> Arc<Schema> {
let schema = self.schema.lock().unwrap();
let schema = self.schema.lock();
schema.clone()
}
pub(crate) fn update_schema_if_newer(&self, another: Arc<Schema>) {
let mut schema = self.schema.lock().unwrap();
let mut schema = self.schema.lock();
if schema.schema_version < another.schema_version {
tracing::debug!(
"DB schema is outdated: {} < {}",
@@ -1352,7 +1352,7 @@ impl Connection {
};
pager.end_read_tx();
let db_schema_version = self.db.schema.lock().unwrap().schema_version;
let db_schema_version = self.db.schema.lock().schema_version;
tracing::debug!(
"path: {}, db_schema_version={} vs on_disk_schema_version={}",
self.db.path,
@@ -1676,7 +1676,7 @@ impl Connection {
pub fn maybe_update_schema(&self) {
let current_schema_version = self.schema.read().schema_version;
let schema = self.db.schema.lock().unwrap();
let schema = self.db.schema.lock();
if matches!(self.get_tx_state(), TransactionState::None)
&& current_schema_version != schema.schema_version
{
@@ -2199,7 +2199,7 @@ impl Connection {
)));
}
let use_indexes = self.db.schema.lock().unwrap().indexes_enabled();
let use_indexes = self.db.schema.lock().indexes_enabled();
let use_mvcc = self.db.mv_store.is_some();
let use_views = self.db.experimental_views_enabled();
let use_strict = self.db.experimental_strict_enabled();
@@ -2316,11 +2316,7 @@ impl Connection {
.get(&database_id)
.expect("Database ID should be valid after resolve_database_id");
let schema = db
.schema
.lock()
.expect("Schema lock should not fail")
.clone();
let schema = db.schema.lock().clone();
// Cache the schema for future use
schemas.insert(database_id, schema.clone());

10
core/mvcc/database/checkpoint_state_machine.rs
View File

@@ -541,14 +541,8 @@ impl<Clock: LogicalClock> CheckpointStateMachine<Clock> {
.io
.block(|| {
self.pager.with_header_mut(|header| {
header.schema_cookie = self
.connection
.db
.schema
.lock()
.unwrap()
.schema_version
.into();
header.schema_cookie =
self.connection.db.schema.lock().schema_version.into();
*header
})
})

6
core/mvcc/database/mod.rs
View File

@@ -1057,7 +1057,7 @@ impl<Clock: LogicalClock> MvStore<Clock> {
// Make sure we capture all the schema changes that were deserialized from the logical log.
bootstrap_conn.promote_to_regular_connection();
bootstrap_conn.reparse_schema()?;
*bootstrap_conn.db.schema.lock().unwrap() = bootstrap_conn.schema.read().clone();
*bootstrap_conn.db.schema.lock() = bootstrap_conn.schema.read().clone();
Ok(())
}
@@ -1644,9 +1644,7 @@ impl<Clock: LogicalClock> MvStore<Clock> {
}
}
if connection.schema.read().schema_version
> connection.db.schema.lock().unwrap().schema_version
{
if connection.schema.read().schema_version > connection.db.schema.lock().schema_version {
// Connection made schema changes during tx and rolled back -> revert connection-local schema.
*connection.schema.write() = connection.db.clone_schema();
}

2
core/mvcc/database/tests.rs
View File

@@ -74,7 +74,7 @@ impl MvccTestDbNoConn {
// First let's clear any entries in database manager in order to force restart.
// If not, we will load the same database instance again.
{
let mut manager = DATABASE_MANAGER.lock().unwrap();
let mut manager = DATABASE_MANAGER.lock();
manager.clear();
}

2
core/schema.rs
View File

@@ -127,10 +127,10 @@ use crate::{
};
use crate::{util::normalize_ident, Result};
use core::fmt;
use parking_lot::Mutex;
use std::collections::{HashMap, HashSet, VecDeque};
use std::ops::Deref;
use std::sync::Arc;
use std::sync::Mutex;
use tracing::trace;
use turso_parser::ast::{
self, ColumnDefinition, Expr, InitDeferredPred, Literal, RefAct, SortOrder, TableOptions,

11
core/storage/btree.rs
View File

@@ -7799,14 +7799,7 @@ mod tests {
vdbe::Register,
BufferPool, Completion, Connection, IOContext, StepResult, WalFile, WalFileShared,
};
use std::{
cell::RefCell,
collections::HashSet,
mem::transmute,
ops::Deref,
rc::Rc,
sync::{Arc, Mutex},
};
use std::{cell::RefCell, collections::HashSet, mem::transmute, ops::Deref, rc::Rc, sync::Arc};
use tempfile::TempDir;
@@ -9082,7 +9075,7 @@ mod tests {
Arc::new(parking_lot::RwLock::new(PageCache::new(10))),
buffer_pool,
Arc::new(AtomicDbState::new(DbState::Uninitialized)),
Arc::new(Mutex::new(())),
Arc::new(parking_lot::Mutex::new(())),
)
.unwrap(),
);

6
core/storage/pager.rs
View File

@@ -15,7 +15,7 @@ use crate::{
IOResult, LimboError, Result, TransactionState,
};
use crate::{io_yield_one, CompletionError, IOContext, OpenFlags, IO};
use parking_lot::RwLock;
use parking_lot::{Mutex, RwLock};
use roaring::RoaringBitmap;
use std::cell::{RefCell, UnsafeCell};
use std::collections::BTreeSet;
@@ -23,7 +23,7 @@ use std::rc::Rc;
use std::sync::atomic::{
AtomicBool, AtomicU16, AtomicU32, AtomicU64, AtomicU8, AtomicUsize, Ordering,
};
use std::sync::{Arc, Mutex};
use std::sync::Arc;
use tracing::{instrument, trace, Level};
use turso_macros::AtomicEnum;
@@ -1423,7 +1423,7 @@ impl Pager {
#[instrument(skip_all, level = Level::DEBUG)]
pub fn maybe_allocate_page1(&self) -> Result<IOResult<()>> {
if !self.db_state.get().is_initialized() {
if let Ok(_lock) = self.init_lock.try_lock() {
if let Some(_lock) = self.init_lock.try_lock() {
match (self.db_state.get(), self.allocating_page1()) {
// In case of being empty or (allocating and this connection is performing allocation) then allocate the first page
(DbState::Uninitialized, false) | (DbState::Initializing, true) => {

14
core/storage/wal.rs
View File

@@ -1,10 +1,10 @@
#![allow(clippy::not_unsafe_ptr_arg_deref)]
use parking_lot::Mutex;
use rustc_hash::{FxHashMap, FxHashSet};
use std::array;
use std::borrow::Cow;
use std::collections::BTreeMap;
use std::sync::Mutex;
use strum::EnumString;
use tracing::{instrument, Level};
@@ -1254,7 +1254,7 @@ impl Wal for WalFile {
);
let page = unsafe { std::slice::from_raw_parts(page_ptr as *mut u8, page_len) };
if buf.as_slice() != page {
*conflict.lock().unwrap() = true;
*conflict.lock() = true;
}
}
});
@@ -1271,7 +1271,7 @@ impl Wal for WalFile {
&self.io_ctx.read(),
)?;
self.io.wait_for_completion(c)?;
return if *conflict.lock().unwrap() {
return if *conflict.lock() {
Err(LimboError::Conflict(format!(
"frame content differs from the WAL: frame_id={frame_id}"
)))
@@ -2516,10 +2516,10 @@ pub mod test {
CheckpointMode, CheckpointResult, Completion, Connection, Database, LimboError, PlatformIO,
StepResult, Wal, WalFile, WalFileShared, IO,
};
use parking_lot::RwLock;
use parking_lot::{Mutex, RwLock};
#[cfg(unix)]
use std::os::unix::fs::MetadataExt;
use std::sync::{atomic::Ordering, Arc, Mutex};
use std::sync::{atomic::Ordering, Arc};
#[allow(clippy::arc_with_non_send_sync)]
pub(crate) fn get_database() -> (Arc<Database>, std::path::PathBuf) {
let mut path = tempfile::tempdir().unwrap().keep();
@@ -2550,11 +2550,11 @@ pub mod test {
let _ = wal_file.truncate(
WAL_HEADER_SIZE as u64,
Completion::new_trunc(move |_| {
*_done.lock().unwrap() = true;
*_done.lock() = true;
}),
);
assert!(wal_file.size().unwrap() == WAL_HEADER_SIZE as u64);
assert!(*done.lock().unwrap());
assert!(*done.lock());
}
#[test]

2
core/translate/planner.rs
View File

@@ -491,7 +491,7 @@ fn parse_table(
}
// Check if this materialized view has persistent storage
let view_guard = view.lock().unwrap();
let view_guard = view.lock();
let root_page = view_guard.get_root_page();
if root_page == 0 {

2
core/translate/pragma.rs
View File

@@ -553,7 +553,7 @@ fn query_pragma(
if let Some(table) = schema.get_table(&name) {
emit_columns_for_table_info(&mut program, table.columns(), base_reg);
} else if let Some(view_mutex) = schema.get_materialized_view(&name) {
let view = view_mutex.lock().unwrap();
let view = view_mutex.lock();
let flat_columns = view.column_schema.flat_columns();
emit_columns_for_table_info(&mut program, &flat_columns, base_reg);
} else if let Some(view) = schema.get_view(&name) {

7
core/util.rs
View File

@@ -14,12 +14,9 @@ use crate::{
LimboError, OpenFlags, Result, Statement, StepResult, SymbolTable,
};
use crate::{Connection, MvStore, IO};
use parking_lot::Mutex;
use std::sync::atomic::AtomicU8;
use std::{
collections::HashMap,
rc::Rc,
sync::{Arc, Mutex},
};
use std::{collections::HashMap, rc::Rc, sync::Arc};
use tracing::{instrument, Level};
use turso_macros::match_ignore_ascii_case;
use turso_parser::ast::{

2
core/vdbe/builder.rs
View File

@@ -143,7 +143,7 @@ pub enum CursorType {
VirtualTable(Arc<VirtualTable>),
MaterializedView(
Arc<BTreeTable>,
Arc<std::sync::Mutex<crate::incremental::view::IncrementalView>>,
Arc<parking_lot::Mutex<crate::incremental::view::IncrementalView>>,
),
}

8
core/vdbe/execute.rs
View File

@@ -47,7 +47,7 @@ use std::ops::DerefMut;
use std::{
borrow::BorrowMut,
num::NonZero,
sync::{atomic::Ordering, Arc, Mutex},
sync::{atomic::Ordering, Arc},
};
use turso_macros::match_ignore_ascii_case;
@@ -75,7 +75,7 @@ use super::{
insn::{Cookie, RegisterOrLiteral},
CommitState,
};
use parking_lot::RwLock;
use parking_lot::{Mutex, RwLock};
use turso_parser::ast::{self, ForeignKeyClause, Name, ResolveType};
use turso_parser::parser::Parser;
@@ -966,7 +966,7 @@ pub fn op_open_read(
let cursor = maybe_promote_to_mvcc_cursor(btree_cursor)?;
// Get the view name and look up or create its transaction state
let view_name = view_mutex.lock().unwrap().name().to_string();
let view_name = view_mutex.lock().name().to_string();
let tx_state = program
.connection
.view_transaction_states
@@ -7902,7 +7902,7 @@ pub fn op_populate_materialized_views(
for (view_name, _root_page, cursor_id) in view_info {
let schema = conn.schema.read();
if let Some(view) = schema.get_materialized_view(&view_name) {
let mut view = view.lock().unwrap();
let mut view = view.lock();
// Drop the schema borrow before calling populate_from_table
drop(schema);

4
core/vdbe/mod.rs
View File

@@ -960,7 +960,7 @@ impl Program {
let mut views = Vec::new();
for view_name in self.connection.view_transaction_states.get_view_names() {
if let Some(view_mutex) = schema.get_materialized_view(&view_name) {
let view = view_mutex.lock().unwrap();
let view = view_mutex.lock();
let root_page = view.get_root_page();
// Materialized views should always have storage (root_page != 0)
@@ -1002,7 +1002,7 @@ impl Program {
let schema = self.connection.schema.read();
if let Some(view_mutex) = schema.get_materialized_view(view_name) {
let mut view = view_mutex.lock().unwrap();
let mut view = view_mutex.lock();
// Create a DeltaSet from the per-table deltas
let mut delta_set = crate::incremental::compiler::DeltaSet::new();