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Changelog

0.1.1 -- 2025-06-30

Fixed

  • JavaScript packaging (Pekka Enberg)

Updated

  • simulator: FsyncNoWait + Faulty Query (Pedro Muniz)

0.1.0 -- 2025-06-30

Added

  • bindings/rust: Add feature flag to enable indexes (Pekka Enberg)
  • core: Add Antithesis-aware turso_assert (Pekka Enberg)
  • Fix database header contents on initialization (Pere Diaz Bou)
  • Support insersect operator for compound select (meteorgan)
  • Simulator: add latency to File IO (Pedro Muniz)
  • write page1 on database initialization (Pere Diaz Bou)
  • Rollback simple support (Pere Diaz Bou)
  • core/db&pager: fix locking for initializing empty database (Jussi Saurio)
  • sim: add Fault::ReopenDatabase (Jussi Saurio)
  • Fix database header initialization (Diego Reis)
  • Add Pedro to email recipients for antithesis (Pedro Muniz)
  • bindings/rust: Implement Debug for Connection (Charlie)
  • Fix: add uv sync to all packages for pytest github action (Pedro Muniz)
  • Implement RowData opcode (meteorgan)
  • Support indent for Goto opcode when executing explain (meteorgan)

Updated

  • core: Disable ROLLBACK statement (Pekka Enberg)
  • WAL record db_size frame on commit last frame (Pere Diaz Bou)
  • Eliminate core extension dependencies (Pekka Enberg)
  • Move completion extension dependency to CLI (Pekka Enberg)
  • Rename limbo crate to turso (Pekka Enberg)
  • Rename limbo_sqlite3_parser crate to turso_sqlite3_parser (Pekka Enberg)
  • Rename limbo_ext crate to turso_ext (Pekka Enberg)
  • Rename limbo_macros to turso_macros (Pekka Enberg)
  • stress: Log reopen and reconnect (Pekka Enberg)
  • Rename limbo_core crate to turso_core (Pekka Enberg)
  • github: Run simulator on pull requests (Pekka Enberg)
  • bindings/rust: Named params (Andika Tanuwijaya)
  • Rename Limbo to Turso in the README and other files (Glauber Costa)
  • Remove dependency on test extension pkg (Preston Thorpe)
  • Cache reserved_space and page_size values at Pager init to prevent doing redundant IO (Krishna Vishal)
  • cli: Rename CLI to Turso (Pekka Enberg)
  • bindings/javascript: Rename package to @tursodatabase/turso (Pekka Enberg)
  • bindings/python: Rename package to pyturso (Pekka Enberg)
  • Rename Limbo to Turso Database (Pekka Enberg)
  • Bring back TPC-H benchmarks (Pekka Enberg)
  • Switch to runtime flag for enabling indexes (Pekka Enberg)
  • stress: reopen db / reconnect to db every now and then (Jussi Saurio)
  • Bring back some merge conflicts code (Pedro Muniz)
  • simulator: integrity check per query (Pedro Muniz)
  • stress: Improve progress reporting (Pekka Enberg)
  • Improve extension compatibility testing (Piotr Rżysko)
  • Ephemeral Table in Update (Pedro Muniz)
  • Use UV more in python related scripts and actions (Pedro Muniz)
  • Copy instrumented image and symbols in Dockerfile.antithesis (eric-dinh-antithesis)
  • op_transaction end_read_tx in case of begin_write_tx is busy (Pere Diaz Bou)
  • antithesis-tests: Make test drivers robust when database is locked (Pekka Enberg)

Fixed

  • tests/integration: Fix write path test on Windows (Pekka Enberg)
  • Fix deleting previous rowid when rowid is in the Set Clause (Pedro Muniz)
  • Fix executing multiple statements (Pere Diaz Bou)
  • Fix evaluation of ISNULL/NOTNULL in OR expressions (Piotr Rżysko)
  • bindings/javascript: Fix StepResult:IO handling (Pekka Enberg)
  • fix: use uv run instead of uvx for Pytest (Pedro Muniz)
  • sim: when loading bug, dont panic if there are no runs (Jussi Saurio)
  • sim: fix singlequote escaping and unescaping (Jussi Saurio)
  • Fix btree balance and seek after overwritten cell overflows (Jussi Saurio)
  • chore: fix clippy warnings (Nils Koch)
  • Fix CI errors (Piotr Rżysko)
  • Fix infinite aggregation loop when sorting is not required (Piotr Rżysko)
  • Fix DELETE not emitting constant WhereTerms (Pedro Muniz)
  • Fix handling of non-aggregate expressions (Piotr Rżysko)
  • Fix fuzz issue #1763 by using the log2 & log10 functions where applicable (Luca Muscat)

0.0.22 -- 2025-06-19

Added

  • Implement pragma wal_checkpoint() (Pedro Muniz)
  • Add abbreviated alias for .quit and .exit (Krishna Vishal)
  • Add manual WAL sync before checkpoint in con.close, fix async bug in checkpoint (Preston Thorpe)
  • Complete ALTER TABLE implementation (Levy A.)
  • Add affinity-based type coercion for seek and comparison operation (Krishna Vishal)
  • bindings/javascript: Add pragma() support (Anton Harniakou)
  • Add sleep between write tests to avoid database locking issues (Pedro Muniz)
  • bindings/java: Implement JDBC4DatabaseMetadata getTables (Kim Seon Woo)
  • bindings/javascript: Add source property to Statement (Anton Harniakou)
  • Support sqlite_master schema table name alias (Anton Harniakou)
  • js-bindings/implement .name property (Anton Harniakou)
  • bindings/java: Add support for Linux build (Diego Reis)
  • bindings/javascript: Add database property to Statement (Anton Harniakou)
  • simulator: add CREATE INDEX to interactions (Jussi Saurio)
  • Add support for pragma table-valued functions (Piotr Rżysko)
  • bindings/javascript: Add proper exec() method and raw() mode (Diego Reis)
  • Add simulator-docker-runner for running limbo-sim in a loop on AWS (Jussi Saurio)
  • simulator: add option to disable BugBase (Jussi Saurio)
  • simulator: switch to tracing, run io.run_once and add update queries (Pere Diaz Bou)
  • Fix: aggregate regs must be initialized as NULL at the start (Jussi Saurio)
  • add stress test with 1 thread 10k iterations to ci (Pere Diaz Bou)

Updated

  • antithesis: Build Python package from sources (Pekka Enberg)
  • overwrite sqlite3 in install_sqlite (Pere Diaz Bou)
  • stress: Run integrity check for every iteration (Pekka Enberg)
  • core: Clean up integrity_check() (Pekka Enberg)
  • Simple integrity check on btree (Pere Diaz Bou)
  • Make SQLite bindings thread-safe (Pekka Enberg)
  • Switch Connection to use Arc instead of Rc (Pekka Enberg)
  • Drop unused code in op_column (meteorgan)
  • NOT NULL constraint (Anton Harniakou)
  • Simulator Ast Generation + Simulator Unary Operator + Refactor to use limbo_core::Value in Simulator for massive code reuse (Pedro Muniz)
  • Refactor compound select (meteorgan)
  • Disable index usage in DELETE because it does not work safely (Jussi Saurio)
  • Simulator: Better Shrinking (Pedro Muniz)
  • Simulator integrity_check (Pedro Muniz)
  • Remove leftover info trace (Jussi Saurio)
  • Namespace functions that operate on Value (Pedro Muniz)
  • Remove plan.to_sql_string() from optimize_plan() as it panics on TODOs (Jussi Saurio)
  • Minor: use use_eq_ignore_ascii_case in some places (Anton Harniakou)
  • Remove the FromValue trait (Anton Harniakou)
  • bindings/javascript: Refactor presentation mode and enhance test suite (Diego Reis)
  • Beginnings of AUTOVACUUM (Zaid Humayun)
  • Reverse Parse Limbo ast and Plans (Pedro Muniz)
  • simulator: log the interaction about to be executed with INFO (Jussi Saurio)
  • stress: Use temporary file unless one explicitly specified (Jussi Saurio)
  • Write database header via normal pager route (meteorgan)
  • simulator: options to disable certain query types (Pedro Muniz)
  • Make cursor seek reentrant (Pedro Muniz)
  • Pass input string to translate function (Pedro Muniz)
  • Small tracing enhancement (Pedro Muniz)
  • Adjust write cursors for delete to avoid opening more than once. (Pedro Muniz)
  • Convert u64 rowid to i64 (Pere Diaz Bou)
  • Use tempfile in constraint test (Jussi Saurio)
  • Remove frame id from key (Pere Diaz Bou)
  • clear page cache on transaction failure (Pere Diaz Bou)

Fixed

  • Fix incorrect lossy conversion of Value::Blob to a utf-8 String (Luca Muscat)
  • Fix update queries to set n_changes (Kim Seon Woo)
  • bindings/rust: Fix Rows::next() I/O dispatcher handling (Pekka Enberg)
  • cli: fix panic of queries with less than 7 chars (Nils Koch)
  • Return parse error instead of corrupt error for no such table (Pedro Muniz)
  • simulator: disable all ansi encodings for debug print log file (Pedro Muniz)
  • Fix large inserts to unique indexes hanging (Jussi Saurio)
  • betters instrumentation for btree related operations + cleaner debug for RefValue (Pedro Muniz)
  • sim/aws: fix vibecoding errors in logic (Jussi Saurio)
  • Fix incorrect handling of OR clauses in HAVING (Jussi Saurio)
  • fix: Incorrect placeholder label in where clause translation (Pedro Muniz)
  • Fix rowid to_sql_string (Pedro Muniz)
  • Fix incorrect usage of indexes with non-contiguous columns (Jussi Saurio)
  • BTree traversal refactor and bugfixes (Pere Diaz Bou)
  • LimboRwLock write and read lock fixes (Pere Diaz Bou)
  • fix: make keyword_token safe by validating UTF-8 input (ankit)
  • Fix UPDATE straight up not working on non-unique indexes (Jussi Saurio)
  • Fix: ensure PRAGMA cache_size changes persist only for current session (meteorgan)
  • sim/aws: fix sim timeout handling (Jussi Saurio)
  • Fix WAL frame checksum mismatch (Diego Reis)
  • Set maximum open simulator-created issues (Jussi Saurio)
  • Fix cursors not being opened for indexes in DELETE (Jussi Saurio)
  • Fix: allow DeferredSeek on more than one cursor per program (Jussi Saurio)
  • Fix stress test to ignore unique constraint violation (krishna sindhur)
  • Fix ProgramBuilder::cursor_ref not having unique keys (Jussi Saurio)
  • Fix serialize() unreachable panic (Krishna Vishal)
  • Btree: fix cursor record state not being updated in insert_into_page() (Jussi Saurio)

0.0.21 - 2025-05-28

Added

  • Add Schema reference to Resolver - needed for adhoc subquery planning (Jussi Saurio)
  • Use the SetCookie opcode to implement user_version pragma (meteorgan)
  • Add libsql_wal_get_frame() API (Pekka Enberg)
  • Fix bug: op_vopen should replace cursor slot, not add new one (Jussi Saurio)
  • bind/js: Add support for bind() method and reduce boilerplate (Diego Reis)
  • Add PThorpe92 to codeowners file for extensions + go bindings (Preston Thorpe)
  • Refactor: add stable internal_id property to TableReference (Jussi Saurio)
  • refactor: introduce walk_expr() and walk_expr_mut() to reduce repetitive pattern matching (Jussi Saurio)
  • Add some comments for values statement (meteorgan)
  • fix bindings/wasm wal file creation by implementing generate_random_number (오웬)
  • core/pragma: Add support for update user_version (Diego Reis)
  • Support values statement and values in select (meteorgan)
  • Initial Support for Nested Translation (Pedro Muniz)
  • bindings/rust: Add pragma methods (Diego Reis)
  • Add collation column to Index struct (Jussi Saurio)
  • Add support for DISTINCT aggregate functions (Jussi Saurio)
  • bindings/javascript: Add Statement.iterate() method (Diego Reis)
  • (btree): Implement support for handling offset-based payload access with overflow support (Krishna Vishal)
  • Add labeler workflow and reorganize macros (Preston Thorpe)
  • Update Nyrkiö change detection to newest version (Henrik Ingo)
  • perf/ci: add basic tpc-h benchmark (Jussi Saurio)
  • Add libsql_wal_frame_count() API (Pekka Enberg)
  • Restructure optimizer to support join reordering (Jussi Saurio)
  • Add rustfmt to rust-toolchain.toml (Pekka Enberg)

Updated

  • Make WhereTerm::consumed a Cell (Jussi Saurio)
  • Use lifetimes in walk_expr() to guarantee that child expr has same lifetime as parent expr (Jussi Saurio)
  • Small VDBE insn tweaks (Jussi Saurio)
  • Reset idx delete state after successful finish (Pere Diaz Bou)
  • feature: INSERT INTO <table> SELECT (Pedro Muniz)
  • Small cleanups to pager/wal/vdbe - mostly naming (Jussi Saurio)
  • bindings/javascript: API enhancements (Diego Reis)
  • github: Migrate workflows to Blacksmith runners (blacksmith-sh[bot])
  • UNION (Jussi Saurio)
  • xConnect for virtual tables to query core db connection (Preston Thorpe)
  • Reconstruct WAL frame cache when WAL is opened (Jussi Saurio)
  • set non-shared cache by default (Pere Diaz Bou)
  • TPC-H with criterion and nyrkio (Pedro Muniz)
  • UNION ALL (Jussi Saurio)
  • Drop Table OpCodes Use Ephemeral Table As Scratch Table (Zaid Humayun)
  • sqlite3-parser: Remove scanner trace-logging (Pekka Enberg)
  • sqlite3: Switch to tracing logger (Pekka Enberg)
  • CSV virtual table extension (Piotr Rżysko)
  • remove detection of comments in the middle of query in cli (Pedro Muniz)
  • btree: Remove assumption that all btrees have a rowid (Jussi Saurio)
  • Output rust backtrace in python tests (Preston Thorpe)
  • Optimization: lift common subexpressions from OR terms (Jussi Saurio)
  • refactor: replace Operation::Subquery with Table::FromClauseSubquery (Jussi Saurio)
  • Feature: Collate (Pedro Muniz)
  • Update README.md (Yusheng Guo)
  • Mark WHERE terms as consumed instead of deleting them (Jussi Saurio)
  • Cli config 2 (Pedro Muniz)
  • pager: bump default page cache size from 10 to 2000 pages (Jussi Saurio)
  • long fuzz tests ci on btree changes (Pere Diaz Bou)
  • Document how to run cargo test on Ubuntu (Zaid Humayun)
  • test page_free_array (Pere Diaz Bou)
  • Rename OwnedValue -> Value (Pekka Enberg)
  • Improve SQLite3 C API tests (Pekka Enberg)
  • github: Disable setup-node yarn cache (Pekka Enberg)
  • Update Unique constraint for Primary Keys and Indexes (Pedro Muniz)

Fixed

  • Fix LIMIT handling (Jussi Saurio)
  • Fix off-by-one error in max_frame after WAL load (Jussi Saurio)
  • btree: fix infinite looping in backwards iteration of btree table (Jussi Saurio)
  • Fix labeler labeling everything as Extensions-Other (Jussi Saurio)
  • Fix bug in op_decr_jump_zero() (Jussi Saurio)
  • Page cache fixes (Pere Diaz Bou)
  • cli/fix: Apply default config for app (Diego Reis)
  • Fix labeler (Jussi Saurio)
  • Improve debug build validation speed (Pere Diaz Bou)
  • optimizer: fix order by removal logic (Jussi Saurio)
  • Fix updating single value (Pedro Muniz)
  • Autoindex fix (Pedro Muniz)
  • use temporary db in sqlite3 wal tests to fix later tests failing (Preston Thorpe)
  • fix labeler correct file name extension use .yml instead of .yaml (Mohamed A. Salah)
  • Fix autoindex of primary key marked as unique (Pere Diaz Bou)
  • Fix: unique contraint in auto index creation (Pedro Muniz)

0.0.20 - 2025-05-14

Added

  • Support isnull and notnull expr (meteorgan)
  • Add drop index (Anton Harniakou)
  • bindings/wasm: add types property for typescript setting (오병진)
  • Implement transaction support in Go adapter (Jonathan Ness)
  • Initial implementation of ALTER TABLE RENAME (Levy A.)
  • Add time.Time and bool data types support in Go adapter (Jonathan Ness)
  • Add tests for INSERT with specified column-name list (Anton Harniakou)
  • GROUP BY: refactor logic to support cases where no sorting is needed (Jussi Saurio)
  • Add embedded library support to Go adapter (Jonathan Ness)
  • Add time.Time support to Go driver parameter binding (Jonathan Ness)
  • Show explanation for the NewRowid opcode (Anton Harniakou)
  • Add notion of join ordering to plan (Jussi Saurio)
  • Add static feature to Cargo.toml to support extensions written inside core (Pedro Muniz)
  • implement Clone for Arc types (Pete Hayman)
  • Add PRAGMA schema_version (Anton Harniakou)
  • Support literal-value current_time, current_date and current_timestamp (meteorgan)
  • Add state machine for op_idx_delete + DeleteState simplification (Pere Diaz Bou)
  • Add the .indexes command (Anton Harniakou)
  • Optimization: only initialize Rustyline if we are in a tty (Pedro Muniz)
  • Add Antithesis Tests (eric-dinh-antithesis)
  • core/types: remove duplicate serialtype implementation (Jussi Saurio)
  • bindings/rust: Add Statement.columns() support (Timo Kösters)
  • docs: add Rust to "Getting Started" section (Timo Kösters)
  • Support xBestIndex in vtab API (Preston Thorpe)
  • Feat: add support for descending indexes (Jussi Saurio)

Updated

  • github: Ensure rustmft is installed (Pekka Enberg)
  • btree: Coalesce free blocks in page_free_array() (Mohamed Hossam)
  • Count optimization (Pedro Muniz)
  • bindings/java: Remove disabled annotation for UPDATE and DELETE (Kim Seon Woo)
  • Refactor numeric literal (meteorgan)
  • EXPLAIN should show a comment for the Insert opcode (Anton Harniakou)
  • bindings/javascript: Improve compatibility with better-sqlite (Diego Reis)
  • bindings/go: Upgrade ebitengine/purego to allow for use with go 1.23.9 (Preston Thorpe)
  • Adjust vtab schema creation to display the underlying columns (Preston Thorpe)
  • Read only mode (Pedro Muniz)
  • Test that DROP TABLE also deletes the related indices (Anton Harniakou)
  • reset statement before executing in rust binding (Pedro Muniz)
  • Bump assorted dependencies (Preston Thorpe)
  • Eliminate a superfluous read transaction when doing PRAGMA user_version (Anton Harniakou)
  • update index on updated indexed columns (Pere Diaz Bou)
  • Save history on exit (Piotr Rżysko)
  • btree/tablebtree_move_to: micro-optimizations (Jussi Saurio)
  • refactor database open_file and open (meteorgan)
  • Give name to hard-coded page_size values (Anton Harniakou)
  • Performance: hoist entire expressions out of hot loops if they are constant (Jussi Saurio)
  • Feature: Composite Primary key constraint (Pedro Muniz)
  • types: refactor serialtype again to make it faster (Jussi Saurio)
  • replace vec with array in btree balancing (Lâm Hoàng Phúc)
  • Pragma page size reading (Anton Harniakou)
  • perf/btree: use binary search for Index seek operations (Jussi Saurio)
  • expr.is_nonnull(): return true if col.primary_key || col.notnull (Jussi Saurio)
  • Numeric Types Overhaul (Levy A.)
  • Python script to compare vfs performance (Preston Thorpe)
  • Create an automatic ephemeral index when a nested table scan would otherwise be selected (Jussi Saurio)
  • Bump julian_day_converter to 0.4.5 (meteorgan)
  • btree: avoid reading entire cell when only rowid needed (Jussi Saurio)
  • btree: use binary search in seek/move_to for table btrees (Jussi Saurio)
  • Feat: Covering indexes (Jussi Saurio)
  • allow index entry delete (Pere Diaz Bou)

Fixed

  • testing/py: rename debug_print() to run_debug() (Jussi Saurio)
  • Fix handling of empty strings in prepared statements (Diego Reis)
  • CREATE VIRTUAL TABLE fixes (Piotr Rżysko)
  • Bindings/Go: Fix symbols for FFI calls (Preston Thorpe)
  • Fix bound parameters on insert statements with out of order column indexes (Preston Thorpe)
  • Fix memory leak caused by unclosed virtual table cursors (Piotr Rżysko)
  • Fix panic on async io due to reading locked page (Preston Thorpe)
  • Fix bug: we cant remove order by terms from the head of the list (Jussi Saurio)
  • Fix setting default value for primary key on UPDATE (Pere Diaz Bou)
  • Fix: allow page_size=65536 (meteorgan)
  • Fix page_count pragma (meteorgan)
  • Fix broken fuzz target due to old name (Levy A.)
  • Emit IdxDelete instruction and some fixes on seek after deletion (Pere Diaz Bou)
  • Bugfix: Explain command should display syntax errors in CLI (Anton Harniakou)
  • Fix incorrect between expression documentation (Pedro Muniz)
  • Fix bug: left join null flag not being cleared (Jussi Saurio)
  • Fix out of bounds access on parse_numeric_str (Levy A.)
  • Fix post balance validation (Pere Diaz Bou)

0.0.19 - 2025-04-16

Added

  • Add BeginSubrtn, NotFound and Affinity bytecodes (Diego Reis)
  • Add Ansi Colors to tcl test runner (Pedro Muniz)
  • support modifiers for julianday() (meteorgan)
  • Implement Once and OpenAutoindex opcodes (Jussi Saurio)
  • Add support for OpenEphemeral bytecode (Diego Reis)
  • simulator: Add Bug Database(BugBase) (Alperen Keleş)
  • feat: Add timediff data and time function (Sachin Kumar Singh)
  • core/btree: Add PageContent::new() helper (Pekka Enberg)
  • Add support to load log file with stress test (Pere Diaz Bou)
  • Support UPDATE for virtual tables (Preston Thorpe)
  • Add .timer command to print SQL execution statistics (Pere Diaz Bou)
  • Strict table support (Ihor Andrianov)
  • Support backwards index scan and seeks + utilize indexes in removing ORDER BY (Jussi Saurio)
  • Add deterministic Clock (Avinash Sajjanshetty)
  • Support offset clause in Update queries (Preston Thorpe)
  • Support Create Index (Preston Thorpe)
  • Support insert default values syntax (Preston Thorpe)
  • Add support for default values in INSERT statements (Diego Reis)

Updated

  • Test: write tests for file backed db (Pedro Muniz)
  • btree: move some blocks of code to more reasonable places (Jussi Saurio)
  • Parse hex integers 2 (Anton Harniakou)
  • More index utils (Jussi Saurio)
  • Index utils (Jussi Saurio)
  • Feature: VDestroy for Dropping Virtual Tables (Pedro Muniz)
  • Feat balance shallower (Lâm Hoàng Phúc)
  • Parse hexidecimal integers (Anton Harniakou)
  • Code clean-ups (Diego Reis)
  • Return null when parameter is unbound (Levy A.)
  • Enhance robusteness of optimization for Binary expressions (Diego Reis)
  • Check that index seek key members are not null (Jussi Saurio)
  • Better diagnostics (Pedro Muniz)
  • simulator: provide high level commands on top of a single runner (Alperen Keleş)
  • build(deps-dev): bump vite from 6.0.7 to 6.2.6 in /bindings/wasm/test-limbo-pkg (dependabot[bot])
  • btree: remove IterationState (Jussi Saurio)
  • build(deps): bump pyo3 from 0.24.0 to 0.24.1 (dependabot[bot])
  • Multi column indexes + index seek refactor (Jussi Saurio)
  • Emit ANSI codes only when tracing is outputting to terminal (Preston Thorpe)
  • B-Tree code cleanups (Pekka Enberg)
  • btree index selection on rightmost pointer in balance_non_root (Pere Diaz Bou)
  • io/linux: make syscallio the default (io_uring is really slow) (Jussi Saurio)
  • Stress improvements (Pekka Enberg)
  • VDBE code cleanups (Pekka Enberg)
  • Memory tests to track large blob insertions (Pedro Muniz)
  • Setup tracing to allow output during test runs (Preston Thorpe)
  • allow insertion of multiple overflow cells (Pere Diaz Bou)
  • Properly handle insertion of indexed columns (Preston Thorpe)
  • VTabs: Proper handling of re-opened db files without the relevant extensions loaded (Preston Thorpe)
  • Account divider cell in size while distributing cells (Pere Diaz Bou)
  • Format infinite float as "Inf"/"-Inf" (jachewz)
  • update sqlite download version to 2025 + remove www. (Pere Diaz Bou)
  • Improve validation of btree balancing (Pere Diaz Bou)
  • Aggregation without group by produces incorrect results for scalars (Ihor Andrianov)
  • Dot command completion (Pedro Muniz)
  • Allow reading altered tables by defaulting to null in Column insn (Preston Thorpe)
  • docs(readme): update discord link (Jamie Barton)
  • More VDBE cleanups (Pekka Enberg)
  • Request load page on insert_into_page (Pere Diaz Bou)
  • core/vdbe: Rename execute_insn_* to op_* (Pekka Enberg)
  • Remove RWLock from Shared wal state (Pere Diaz Bou)
  • VDBE with indirect function dispatch (Pere Diaz Bou)

Fixed

  • Fix truncation of error output in tests (Pedro Muniz)
  • Fix Unary Negate Operation on Blobs (Pedro Muniz)
  • Fix incompatibility AND Operation (Pedro Muniz)
  • Fix: comment out incorrect assert in fuzz (Pedro Muniz)
  • Fix two issues with indexes (Jussi Saurio)
  • Fuzz fix some operations (Pedro Muniz)
  • simulator: updates to bug base, refactors (Alperen Keleş)
  • Fix overwrite cell with size less than cell size (Pere Diaz Bou)
  • Fix EXPLAIN to be case insensitive (Pedro Muniz)
  • core: Fix syscall VFS on Linux (Pekka Enberg)
  • Index insert fixes (Pere Diaz Bou)
  • Decrease page count on balancing fixes (Pere Diaz Bou)
  • Remainder fixes (jachewz)
  • Fix virtual table translation issues (Preston Thorpe)
  • Fix overflow position in write_page() (Lâm Hoàng Phúc)

0.0.18 - 2025-04-02

Added

  • Jsonb support update (Ihor Andrianov)
  • Add BTree balancing after delete (Krishna Vishal)
  • Introduce Register struct (Pere Diaz Bou)
  • Introduce immutable record (Pere Diaz Bou)
  • Introduce libFuzzer (Levy A.)
  • WAL frame checksum support (Daniel Boll)
  • Initial JavaScript bindings with napi-rs (Pekka Enberg)
  • Initial pass at UPDATE support (Preston Thorpe)
  • Add commit() and placeholding insert to Python binding (Diego Reis)

Updated

  • Create plan for Update queries (Preston Thorpe)
  • Validate cells inside a page after each operation (Pere Diaz Bou)
  • Refactor Cli Repl Commands to use clap (Pedro Muniz)
  • Allow balance_root to balance with interior pages (Pere Diaz Bou)
  • Let remainder (%) accept textual arguments (Anton Harniakou)
  • JSON code cleanups (Pekka Enberg)
  • Allocation improvements with ImmutableRecord, OwnedRecord and read_record (Pere Diaz Bou)
  • JavaScript binding improvements (Pekka Enberg)
  • Kill test environment (Pekka Enberg)
  • Remove public unlock method from SpinLock to prevent unsafe aliasing (Krishna Vishal)
  • Handle limit zero case in query plan emitter (Preston Thorpe)
  • Reduce MVCC cursor memory consumption (Ihor Andrianov)
  • Unary + is a noop (Levy A.)
  • JSON cache (Ihor Andrianov)
  • Bump rusqlite to 0.34 (Pere Diaz Bou)
  • core: Rename FileStorage to DatabaseFile (Pekka Enberg)
  • Improve Python bindings (Diego Reis)
  • Schema translation cleanups (Pekka Enberg)
  • Various JSON improvements (Ihor Andrianov)
  • Enable pretty mode in shell by default (Pekka Enberg)
  • Improve CLI color scheme (Pekka Enberg)
  • Impl Copy on some types in the pager to prevent explicit clones (Preston Thorpe)
  • Syntax highlighting and hinting (Pedro Muniz)
  • chore: gitignore files with an extension *.db (Anton Harniakou)
  • Organize extension library and feature gate VFS (Preston Thorpe)
  • fragment bench functions (Pere Diaz Bou)

Fixed

  • Remove unnecessary balance code that crashes (Pere Diaz Bou)
  • Fix propagation of divider cell balancing interior page (Pere Diaz Bou)
  • Fuzz test btree fix seeking. (Pere Diaz Bou)
  • Fix IdxCmp insn comparisons (Jussi Saurio)
  • Fixes probably all floating point math issues and floating point display issues. (Ihor Andrianov)
  • Make BTreeCell/read_payload not allocate any data + overflow fixes (Pere Diaz Bou)
  • Fix compute_shl negate with overflow (Krishna Vishal)
  • Fix a typo in README.md (Tshepang Mbambo)
  • Fix platform specific FFI C pointer type casts (Preston Thorpe)
  • core: Fix Destroy opcode root page handling (Pekka Enberg)
  • Fix SELECT 0.0 = 0 returning false (lgualtieri75)
  • bindings/python: Fix flaky tests (Diego Reis)
  • Fix io_uring WAL write corruption by ensuring buffer lifetime (Daniel Boll)

0.0.17 - 2025-03-19

Added

  • BEGIN DEFERRED support (Diego Reis)
  • Experimental MVCC integration (Pekka Enberg)
  • DROP TABLE support (Zaid Humayun)
  • Initial pass on Virtual FileSystem extension module (Preston Thorpe)
  • JSONB support (Ihor Andrianov)
  • Shell command completion (Pedro Muniz)

Updated

Fixed

  • Fixes and improvements to Rust bindings (yirt grek and 南宫茜)
  • Transaction management fixes (Pere Diaz Bou and Diego Reis)
  • JSON function fixes (Ihor Andrianov)

0.0.16 - 2025-03-05

Added

  • Virtual table support (Preston Thorpe)
  • Improvements to Java bindings (Kim Seon Woo)
  • Improvements to Rust bindings (Pekka Enberg)
  • Add sqlean ipaddr extension (EmNudge)
  • Add "dump" and "load" to the help menu (EmNudge)
  • Initial Antithesis testing tool (Pekka Enberg)

Fixed

  • SQLite B-Tree balancing algorithm (Pere Diaz Bou)
  • B-Tree improves and fixes (Pere Diaz Bou and Perston Thorpe)
  • Display blobs as blob literals in .dump (from Mohamed Hossam)
  • Fix wrong count() result if the column specified contains a NULL (lgualtieri75)
  • Fix casting text to integer to match SQLite' (Preston Thorpe)
  • Improve SELECT 1 performance to be on par with SQLite (Pekka Enberg)
  • Fix offset_sec normalization in extensions/time (meteorgan)
  • Handle parsing URI according to SQLite specification (Preston Thorpe)
  • Escape character is ignored in LIKE function (lgualtieri75)
  • Fix cast_text_to_number compatibility (Pedro Muniz)
  • Modify the LIKE function to work with all types (Mohamed Hossam)

0.0.15 - 2025-02-18

Added

Core:

  • Initial pass on virtual tables (Preston Thorpe)
  • Import MVCC code to the source tree -- not enabled (Pekka Enberg, Piotr Sarna, Avinash Sajjanshetty)
  • Implement json_set (Marcus Nilsson)
  • Initial support for WITH clauses (common table expressions) (Jussi Saurio)
  • BEGIN IMMEDIATE + COMMIT support (Pekka Enberg)
  • BEGIN EXCLUSIVE support (Pekka Enberg)
  • Add Printf Support (Zaid Humayun)
  • Add support for delete row (Krishna Vishal)
  • Implement json_quote (Pedro Muniz)
  • Add read implementation of user_version pragma with ReadCookie opcode (Jonathan Webb)
  • Json path refine (Ihor Andrianov)
  • cli: Basic dump support (Glauber Costa)
  • Support numeric column references in GROUP BY (Jussi Saurio)
  • Implement the legacy_file_format pragma (Glauber Costa)
  • Added IdxLE and IdxLT opcodes (Omolola Olamide)

*Java bindings:

  • Improve JDBC support with, for example, prepared statements (Kim Seon Woo)
  • Rename package name tech.turso (Kim Seon Woo)

Extensions:

  • Sqlean Crypto extension (Diego Reis)
  • Sqlean Time extension (Pedro Muniz)
  • Add support for regexp_replace() (lgualtieri75)

Simulator:

  • Add NoREC testing property (Alperen Keleş)
  • Add --differential mode against SQLite (Alperen Keleş)

Fixed

Core:

  • Fix 24/48 bit width serial types parsing (Nikita Sivukhin)
  • Fix substr (Nikita Sivukhin)
  • Fix math binary (Nikita Sivukhin)
  • Fix and predicate (Nikita Sivukhin)
  • Fix IdxGt, IdxGe, IdxLt, and IdxLe instructions (Jussi Saurio)
  • Fix not evaling constant conditions when no tables in query (Jussi Saurio)
  • Fix remainder panic on zero right-hand-side (Jussi Saurio)
  • Fix invalid text columns generated by dump (Kingsley Yung)
  • Fix incorrect CAST text->numeric if valid prefix is 1 char long (Jussi Saurio)
  • Improve SQL statement prepare performance (Jussi Saurio)
  • Fix VCC write conflict handling (Jussi Saurio)
  • Fix various bugs in B-Tree handling (Nikita Sivukhin)
  • Fix case and emit (Nikita Sivukhin)
  • Fix coalesce (Nikita Sivukhin)
  • Fix cast (Nikita Sivukhin)
  • Fix string funcs (Nikita Sivukhin)
  • Fix floating point truncation in JSON #877 (lgualtieri75)
  • Fix bug with SELECT referring to a mixed-case alias (Jussi Saurio)

0.0.14 - 2025-02-04

Added

Core:

  • Improve changes() and total_changes() functions and add tests (Ben Li)
  • Add support for json_object function (Jorge Hermo)
  • Implemented json_valid function (Harin)
  • Implement Not (Vrishabh)
  • Initial support for wal_checkpoint pragma (Sonny)
  • Implement Or and And bytecodes (Diego Reis)
  • Implement strftime function (Pedro Muniz)
  • implement sqlite_source_id function (Glauber Costa)
  • json_patch() function implementation (Ihor Andrianov)
  • json_remove() function implementation (Ihor Andrianov)
  • Implement isnull / not null for filter expressions (Glauber Costa)
  • Add support for offset in select queries (Ben Li)
  • Support returning column names from prepared statement (Preston Thorpe)
  • Implement Concat opcode (Harin)
  • Table info (Glauber Costa)
  • Pragma list (Glauber Costa)
  • Implement Noop bytecode (Pedro Muniz)
  • implement is and is not where constraints (Glauber Costa)
  • Pagecount (Glauber Costa)
  • Support column aliases in GROUP BY, ORDER BY and HAVING (Jussi Saurio)
  • Implement json_pretty (Pedro Muniz)

Extensions:

  • Initial pass on vector extension (Pekka Enberg)
  • Enable static linking for 'built-in' extensions (Preston Thorpe)

Go Bindings:

  • Initial support for Go database/sql driver (Preston Thorpe)
  • Avoid potentially expensive operations on prepare' (Glauber Costa)

Java Bindings:

  • Implement JDBC ResultSet (Kim Seon Woo)
  • Implement LimboConnection close() (Kim Seon Woo)
  • Implement close() for LimboStatement and LimboResultSet (Kim Seon Woo)
  • Implement methods in JDBC4ResultSet (Kim Seon Woo)
  • Load native library from Jar (Kim Seon Woo)
  • Change logger dependency (Kim Seon Woo)
  • Log driver loading error (Pekka Enberg)

Simulator:

  • Implement --load and --watch flags (Alperen Keleş)

Build system and CI:

  • Add Nyrkiö change point detection to 'cargo bench' workflow (Henrik Ingo)

Fixed

  • Fix select X'1'; causes limbo to go in infinite loop (Krishna Vishal)
  • Fix rowid search codegen (Nikita Sivukhin)
  • Fix logical codegen (Nikita Sivukhin)
  • Fix parser panic when duplicate column names are given to CREATE TABLE (Krishna Vishal)
  • Fix panic when double quoted strings are used for column names. (Krishna Vishal)
  • Fix SELECT -9223372036854775808 result differs from SQLite (Krishna Vishal)
  • Fix SELECT ABS(-9223372036854775808) causes limbo to panic. (Krishna Vishal)
  • Fix memory leaks, make extension types more efficient (Preston Thorpe)
  • Fix table with single column PRIMARY KEY to not create extra btree (Krishna Vishal)
  • Fix null cmp codegen (Nikita Sivukhin)
  • Fix null expr codegen (Nikita Sivukhin)
  • Fix rowid generation (Nikita Sivukhin)
  • Fix shr instruction (Nikita Sivukhin)
  • Fix strftime function compatibility problems (Pedro Muniz)
  • Dont fsync the WAL on read queries (Jussi Saurio)

0.0.13 - 2025-01-19

Added

  • Initial support for native Limbo extensions (Preston Thorpe)

  • npm packaging for node and web (Elijah Morgan)

  • Add support for rowid keyword' (Kould)

  • Add support for shift left, shift right, is and is not operators (Vrishabh)

  • Add regexp extension (Vrishabh)

  • Add counterexample minimization to simulator (Alperen Keleş)

  • Initial support for binding values to prepared statements (Levy A.)

Updated

  • Java binding improvements (Kim Seon Woo)

  • Reduce liblimbo_sqlite3.a size' (Pekka Enberg)

Fixed

  • Fix panics on invalid aggregate function arguments (Krishna Vishal)

  • Fix null compare operations not giving null (Vrishabh)

  • Run all statements from SQL argument in CLI (Vrishabh)

  • Fix MustBeInt opcode semantics (Vrishabh)

  • Fix recursive binary operation logic (Jussi Saurio)

  • Fix SQL comment parsing in Limbo shell (Diego Reis and Clyde)

0.0.12 - 2025-01-14

Added

Core:

  • Improve JSON function support (Kacper Madej, Peter Sooley)

  • Support nested parenthesized conditional expressions (Preston Thorpe)

  • Add support for changes() and total_changes() functions (Lemon-Peppermint)

  • Auto-create index in CREATE TABLE when necessary (Jussi Saurio)

  • Add partial support for datetime() function (Preston Thorpe)

  • SQL parser performance improvements (Jussi Saurio)

Shell:

  • Show pretty parse errors in the shell (Samyak Sarnayak)

  • Add CSV import support to shell (Vrishabh)

  • Selectable IO backend with --io={syscall,io-uring} argument (Jorge López Tello)

Bindings:

  • Initial version of Java bindings (Kim Seon Woo)

  • Initial version of Rust bindings (Pekka Enberg)

  • Add OPFS support to Wasm bindings (Elijah Morgan)

  • Support uncorrelated FROM clause subqueries (Jussi Saurio)

  • In-memory support to sqlite3_open() (Pekka Enberg)

Fixed

  • Make iterate() lazy in JavaScript bindings (Diego Reis)

  • Fix integer overflow output to be same as sqlite3 (Vrishabh)

  • Fix 8-bit serial type to encoding (Preston Thorpe)

  • Query plan optimizer bug fixes (Jussi Saurio)

  • B-Tree balancing fixes (Pere Diaz Bou)

  • Fix index seek wrong on SeekOp::LT`SeekOp::GT` (Kould)

  • Fix arithmetic operations for text values' from Vrishabh

  • Fix quote escape in SQL literals (Vrishabh)

0.0.11 - 2024-12-31

Added

  • Add in-memory mode to Python bindings (Jean Arhancet)

  • Add json_array_length function (Peter Sooley)

  • Add support for the UUID extension (Preston Thorpe)

Changed

  • Enable sqpoll by default in io_uring (Preston Thorpe)

  • Simulator improvements (Alperen Keleş)

Fixed

  • Fix escaping issues with like and glob functions (Vrishabh)

  • Fix sqlite_version() out of bound panics' (Diego Reis)

  • Fix on-disk file format bugs (Jussi Saurio)

0.0.10 - 2024-12-18

Added

  • In-memory mode (Preston Thorpe)

  • More CLI improvements (Preston Thorpe)

  • Add support for replace() function (Alperen Keleş)

  • Unary operator improvements (Jean Arhancet)

  • Add support for unex(x, y) function (Kacper Kołodziej)

Fixed

  • Fix primary key handling when there's rowid and PK is not alias (Jussi Saurio)

0.0.9 - 2024-12-12

Added

  • Improve CLI (Preston Thorpe)

  • Add support for iif() function (Alex Miller)

  • Add support for last_insert_rowid() function (Krishna Vishal)

  • Add support JOIN USING and NATURAL JOIN (Jussi Saurio)

  • Add support for more scalar functions (Kacper Kołodziej)

  • Add support for HAVING clause (Jussi Saurio)

  • Add get() and iterate() to JavaScript/Wasm API (Jean Arhancet)

0.0.8 - 2024-11-20

Added

  • Python package build and example usage (Pekka Enberg)

0.0.7 - 2024-11-20

Added

  • Minor improvements to JavaScript API (Pekka Enberg)
  • CAST support (Jussi Saurio)

Fixed

  • Fix issues found in-btree code with the DST (Pere Diaz Bou)

0.0.6 - 2024-11-18

Fixed

  • Fix database truncation caused by limbo-wasm opening file in wrong mode (Pere Diaz Bou)

0.0.5 - 2024-11-18

Added

  • CREATE TABLE support (Pere Diaz Bou)

  • Add Add Database.prepare() and Statement.all() to Wasm bindings (Pekka Enberg)

  • WAL improvements (Pere Diaz Bou)

  • Primary key index scans and single-column secondary index scans (Jussi Saurio)

  • GROUP BY support (Jussi Saurio)

  • Overflow page support (Pere Diaz Bou)

  • Improvements to Python bindings (Jean Arhancet and Lauri Virtanen)

  • Improve scalar function support (Lauri Virtanen)

Fixed

  • Panic in codegen with COUNT(*) (Jussi Saurio)

  • Fix LIKE to be case insensitive (RJ Barman)

0.0.4 - 2024-08-22

  • Query planner rewrite (Jussi Saurio)

  • Initial pass on Python bindings (Jean Arhancet)

  • Improve scalar function support (Kim Seon Woo and Jean Arhancet)

Added

  • Partial support for json() function (Jean Arhancet)

0.0.3 - 2024-08-01

Added

  • Initial pass on the write path. Note that the write path is not transactional yet. (Pere Diaz Bou)

  • More scalar functions: unicode() (Ethan Niser)

  • Optimize point queries with integer keys (Jussi Saurio)

Fixed

  • ORDER BY support for nullable sorting columns and qualified identifiers (Jussi Saurio)

  • Fix .schema command crash in the CLI (#212 (Jussi Saurio)

0.0.2 - 2024-07-24

Added

  • Partial LEFT JOIN support.

  • Partial ORDER BY support.

  • Partial scalar function support.

Fixed

  • Lock database file with POSIX filesystem advisory lock when database is opened to prevent concurrent processes from corrupting a file. Please note that the locking scheme differs from SQLite, which uses POSIX advisory locks for every transaction. We're defaulting to locking on open because it's faster. (Issue #94)

Changed

  • Install to ~/.limbo/ instead of CARGO_HOME.

0.0.1 - 2024-07-17

Added

  • Partial SELECT statement support, including WHERE, LIKE, LIMIT, CROSS JOIN, and INNER JOIN.

  • Aggregate function support.

  • EXPLAIN statement support.

  • Partial PRAGMA statement support, including cache_size.

  • Asynchronous I/O support with Linux io_uring using direct I/O and Darwin kqueue.

  • Initial pass on command line shell with following commands: