Module tikv::storage::txn[−][src]

Storage Transactions

Re-exports

pub use self::commands::Command;

pub use self::scheduler::Scheduler;

actions	This file contains the “actions” we perform on a `crate::storage::mvcc::MvccTxn` and related tests. “Actions” here means a group of more basic operations, eg. `crate::storage::mvcc::MvccReader::load_lock`, `crate::storage::mvcc::MvccTxn::put_write`, which are methods on `crate::storage::mvcc::MvccTxn`, for archiving a certain target.
commands	Commands used in the transaction system
latch
sched_pool
scheduler	Scheduler which schedules the execution of `storage::Command`s.
store
tests

EntryBatch	A batch of transaction entries.
Error
FixtureStore	A Store that reads on fixtures.
FixtureStoreScanner	A Scanner that scans on fixtures.
Latches	Latches which are used for concurrency control in the scheduler.
Lock	Lock required for a command.
SnapshotStore
TransactionProperties

CommitKind
ErrorInner
ProcessResult	Process result of a command.
TransactionKind
TxnEntry	A transaction entry in underlying storage.

Scanner	`Scanner`s allow retrieving items or batches from a scan result.
Store
TxnEntryScanner	`TxnEntryScanner` allows retrieving items or batches from a scan result.
TxnEntryStore

acquire_pessimistic_lock
cleanup	Cleanup the lock if it’s TTL has expired, comparing with `current_ts`. If `current_ts` is 0, cleanup the lock without checking TTL. If the lock is the primary lock of a pessimistic transaction, the rollback record is protected from being collapsed.
commit
gc
prewrite	Prewrite a single mutation by creating and storing a lock and value.