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Author SHA1 Message Date
김선우
8fbcd10e0e Add support for ifnull scalar function 2024-08-16 09:25:04 +09:00
Pekka Enberg
39e77bac9f Merge 'Implement scala function substring(...) ' from Kim Seon Woo 
Implement scala function `substring(x, y, z)` and `substring(x, y)`

### EXPLAIN SELECT substring('limbo', 3);
![image](https://github.com/user-attachments/assets/0138d802-c40e-4990-8657-05a0d54ee00f)

### EXPLAIN SELECT substring('limbo', 1, 2);
![image](https://github.com/user-attachments/assets/1babeb1b-f5ca-4b8f-ae19-c4f06b51d4b6)

### Related issue
https://github.com/penberg/limbo/issues/144

Closes #286
 2024-08-15 19:45:22 +03:00
Pekka Enberg
a57870ed03 Merge 'Fix typo ' from Kim Seon Woo 
Closes #287
 2024-08-15 19:43:13 +03:00
Pekka Enberg
e30b5f1082 Commit updated Cargo.lock and sqlite3.h 
Turns out the new cbindgen version generates slightly different
sqlite3.h so commit that to the tree. The version in Cargo.lock also
changed so let's check in that too.
 2024-08-15 19:42:10 +03:00
김선우
ac440495bd Nit 2024-08-15 18:59:46 +09:00
김선우
28bd0275c0 Run cargo fmt, clippy 2024-08-15 18:56:02 +09:00
김선우
aff13de125 Nit 2024-08-15 18:50:40 +09:00
김선우
dc48c2e71d Add substring scala function with 2 arg 2024-08-15 18:47:32 +09:00
김선우
3fa3c5c002 Add substr scala function 2024-08-15 18:27:18 +09:00
Pekka Enberg
08c1e13679 Merge 'Handle count(*)' from Vegard Stikbakke 
This PR adds support for `count(*)`. I did not find any other functions than `count` which expect a `*` argument yet, but I'm sure there are some?

Surprisingly (to me) I did not need to make any changes to `translate_expr`, only to `analyze_expr`.

```
limbo> SELECT count(id) FROM users;
2
limbo> SELECT count(*) FROM users;
2
limbo> SELECT count(*) FROM users where id = 1;
1
limbo> SELECT count(id) FROM users where id = 1;
1
```

Other aggregation functions such as sum fail, since they expect a specific column:
```
limbo> select sum(*) from users;
Parse error: sum bad number of arguments
```

Closes #285
 2024-08-11 16:57:18 +03:00
Vegard Stikbakke
e54fd83f49 Handle FunctionCallStar in analyze_expr 2024-08-11 13:59:49 +02:00
Pekka Enberg
f75b43f28e Merge 'Add to sqlite3 static lib to cargo dist bundle' from Pekka Enberg 
Closes #222
 2024-08-11 12:22:28 +03:00
Pekka Enberg
f633fc91cf sqlite3: Add to cargo dist bundle 2024-08-11 12:14:43 +03:00
Pekka Enberg
3f96b1d798 Merge 'Initial pass on Python API' from Jean Arhancet 
This pull request introduces the initial setup for the Python bindings
(#248).

- Setup Configuration: Added the Python binding stack, including the
  `pyo3 `crates, `pyproject.toml`, `build.rs`, and other necessary
  files.

- Database Class: Implemented the Database class with a constructor to
  establish a connection and a query function to execute SQL queries.

- Testing: Created `database.db` with a sample users table and two
  entries, as outlined in README.md, and added three pytest functions to
  validate the Python output.

Closes #276
 2024-08-11 12:09:27 +03:00
JeanArhancet
7c362b129f feat: impl python binding 
refactor: pep-0249

refactor: rust comment and requirements-dev.txt

fix: name conflict
 2024-08-11 08:58:18 +02:00
Pekka Enberg
fc1f61acf9 Merge 'Use limbo instead of cargo run in command in README' from Vegard Stikbakke 
Use `limbo` instead of `cargo run` in the example command in the README
since we've already installed the program and have it on our path.

Closes #284
 2024-08-10 21:34:20 +03:00
Vegard Stikbakke
16f1e9c40b Use limbo instead of cargo run in command in README 
Use `limbo` instead of `cargo run` in the example command in the README since we've already installed the program and have it on our path.
 2024-08-10 20:24:02 +02:00
Pekka Enberg
5083ba8ae9 Merge 'Update cbindgen dependency' from Pekka Enberg 
Fixes #63

Closes #282
 2024-08-10 14:53:07 +03:00
Pekka Enberg
5219fc7258 Update cbindgen dependency 
Fixes #63
 2024-08-10 14:29:20 +03:00
Pekka Enberg
896651229a Merge 'github: Cache Rust build dependencies' from Pekka Enberg 
Let's use a Github action to cache build dependencies in hopes to reduce
disk utilization.

Closes #280
 2024-08-10 08:40:49 +03:00
Pekka Enberg
f3fc55eb8d github: Cache Rust build dependencies 
Let's use a Github action to cache build dependencies in hopes to reduce
disk utilization.
 2024-08-10 08:34:11 +03:00
Pekka Enberg
6b78573f79 Merge 'Implement NewRowid' from GV 
Fixes https://github.com/penberg/limbo/issues/275

Closes #278
 2024-08-09 21:18:10 +03:00
gandeevanr
23a7d389b1 added unit tests for NewRowid 2024-08-08 19:04:10 -07:00
gandeevanr
a9cb8157b5 initial pass at implementing NewRowId 2024-08-07 09:04:09 -07:00
Pekka Enberg
0cb45d4ebb Merge 'core: add datetime modifiers helpers.' from Sonny 
Adding the foundational helpers for integrating with supporting datetime Functions modifiers later.
part of https://github.com/penberg/limbo/issues/158.

Integrating with date time functions in `vdbe` `Program.step` will come in other PRs later.
reference to sqlite eaa560f3fc/src/date.c (L723)

Closes #277
 2024-08-07 16:20:53 +03:00
sonhmai
c104e50a66 core: add datetime modifiers helpers. 
Building the helpers for integrating with supporting datetime Functions modifiers later.
 2024-08-07 13:43:51 +07:00
Pekka Enberg
d4d7042373 Merge 'Use the correct integer PK column idx as the row-id alias' from GV 
This pull request addresses [issue #256](https://github.com/penberg/limbo/issues/256).

However, it currently breaks insertions into tables that lack a row-id
alias due to the NewRowId not being implemented yet. I have created an
[issue](https://github.com/penberg/limbo/issues/275) to track this
problem and will submit a separate pull request to resolve it soon.

Closes #274
 2024-08-06 08:11:10 +03:00
Pekka Enberg
7b06150df6 Update CHANGELOG.md and COMPAT.md 2024-08-06 08:06:43 +03:00
Pekka Enberg
5b7d112e74 Merge 'implementation of json function json(X)' from Jean Arhancet 
Add the `json` function `json(X)` (related to the issue https://github.com/penberg/limbo/issues/127)

Closes #230
 2024-08-06 08:05:33 +03:00
JeanArhancet
15ab7955d3 add licences 2024-08-05 21:34:30 +02:00
gandeevanr
2b86f89d8d use the correct integer PK column idx as the row-id alias 2024-08-04 18:53:54 -07:00
JeanArhancet
4050a3ebe2 refactor: impl json5 direclty 2024-08-04 12:47:08 +02:00
JeanArhancet
4d0a25c1b4 test: add json tcl test 2024-08-04 10:56:52 +02:00
JeanArhancet
8dbced6a39 refactor: delete Insn Json 2024-08-04 10:56:51 +02:00
JeanArhancet
552090cb29 feat: add json support 2024-08-04 10:54:27 +02:00
Pekka Enberg
a765828206 Merge 'First pass on WebAssembly I/O' from Pekka Enberg 
Just some basic plumbing to call Node filesystem API from Rust.

Closes #270
 2024-08-04 11:45:19 +03:00
Pekka Enberg
933bf89bb9 wasm: VFS interface to use Node filesystem API 
This adds a basic VFS interface to use Node filesystem API from Rust
code. Not a lot, but parses the SQLite database file header and
completes database open without errors.
 2024-08-04 11:12:21 +03:00
Pekka Enberg
7df979cd3a wasm: Enable console.error() panic hook 
Makes debugging a little bit easier...
 2024-08-04 09:45:27 +03:00
Pekka Enberg
e5034acb9e Merge 'fix: ctrl-c stop current query execution' from Jean Arhancet 
Fix #260 by ensuring `Ctrl-C` interrupts the query without terminating
the process. Implement the SQLite strategy where pressing `Ctrl-C` twice
exits the shell.

Closes #269
 2024-08-04 08:13:39 +03:00
JeanArhancet
38a1b85094 fix: ctrl-c stop current query execution 2024-08-03 22:58:52 +02:00
Pekka Enberg
31308f3699 core: Switch SQLite to use locking_mode EXCLUSIVE 
Let's switch the SQLite benchmarks to use similar file locking protocol
as we do. Improves SQLite's performance by 2x, but Limbo is still
faster.

Before:

rusqlite/Prepare statement: 'SELECT * FROM users LIMIT 1'
                        time:   [2.1027 µs 2.1239 µs 2.1563 µs]
                        thrpt:  [463.75 Kelem/s 470.83 Kelem/s 475.57 Kelem/s]

After:

rusqlite/Execute prepared statement: 'SELECT * FROM users LIMIT 1'
                        time:   [940.07 ns 944.16 ns 949.39 ns]
                        thrpt:  [1.0533 Melem/s 1.0591 Melem/s 1.0638 Melem/s]
 2024-08-03 21:13:50 +03:00
Pekka Enberg
89079d1ccd Merge 'core: fix clippy' from Sonny 
Closes #268
 2024-08-03 17:53:51 +03:00
sonhmai
0e7bd95e4e core: fix clippy 2024-08-03 20:14:26 +07:00
Pekka Enberg
e890a1d64f Merge 'More WAL work' from Pekka Enberg 
Turn the WAL into a trait and open + parse WAL header.

Closes #267
 2024-08-03 14:10:36 +03:00
Pekka Enberg
a290b2f102 core: Open WAL file and parse header 2024-08-03 12:48:16 +03:00
Pekka Enberg
ed4116e7c2 core: Introduce Wal trait 
We're going to need it for WebAssembly anyway, which does not have
standard filesystem support.
 2024-08-03 12:34:10 +03:00
Pekka Enberg
d9b1cac27b testing: Add test database + WAL file 2024-08-03 12:16:34 +03:00
Pekka Enberg
7937c165fe Merge 'Storage layer cleanups' from Pekka Enberg 
Closes #265
 2024-08-03 11:00:33 +03:00
Pekka Enberg
18883b5a7e core: Document top-level storage module 2024-08-03 10:44:19 +03:00
Pekka Enberg
090a577dd5 core: Move DatabaseStorage to storage/database.rs 2024-08-03 10:41:10 +03:00