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Author SHA1 Message Date
Daniel Boll
c2a2dfa67b Remove unused imports and handle WAL header read error 
Refactor random number generation for WAL header salts
 2025-03-26 11:31:29 -03:00
Daniel Boll
4ea3faf0f0 Remove unnecessary TODO comment in wal.rs 2025-03-25 21:46:17 -03:00
Daniel Boll
6d42d6d485 Remove commented-out code and update min_frame assignment 2025-03-25 21:44:18 -03:00
Daniel Boll
5fc9ccdc8c Update checkpoint result initialization and WAL frame handling 
- Use `CheckpointResult::default()` instead of `CheckpointResult::new()`
- Correct WAL frame header salt and checksum handling
- Ensure frame ID is 1-based and adjust frame offset calculation
- Add `Default` implementation for `CheckpointResult`
- Use random values for WAL header salts
 2025-03-25 21:38:12 -03:00
Pekka Enberg
79620946c1 Merge 'JSON cache' from Ihor Andrianov 
SQLite uses a similar approach for operations where up to 4 JSON objects
are accessed multiple times in a single query.
`SELECT json_extact(a, 'some_path'), json_remove(a, 'some_path')
json_set(a, 'some_path', 'some_value') from t;`

Closes #1163
 2025-03-25 18:11:33 +02:00
Pekka Enberg
920b2efe31 Merge 'Bump rusqlite to 0.34' from Pere Diaz Bou 
Closes #1175
 2025-03-25 18:09:18 +02:00
Pere Diaz Bou
004dc374b2 bump rusqlite to 0.34 2025-03-25 14:17:31 +01:00
Pekka Enberg
28919038f1 Merge 'core: Rename FileStorage to DatabaseFile' from Pekka Enberg 
Reviewed-by: Pere Diaz Bou <pere-altea@homail.com>

Closes #1174
 2025-03-25 11:35:00 +02:00
Pekka Enberg
df6af6ed79 core: Rename FileStorage to DatabaseFile 2025-03-25 11:15:16 +02:00
Pekka Enberg
1f29e1fe08 Add PyPI link to README 2025-03-25 09:49:44 +02:00
Pekka Enberg
b507ac401d Merge 'Fix a typo in README.md' from Tshepang Mbambo 
Closes #1173
 2025-03-25 09:31:05 +02:00
Pekka Enberg
93c0a29611 Merge 'Fix platform specific FFI C pointer type casts' from Preston Thorpe 
Fixes #1159

Closes #1170
 2025-03-25 09:10:16 +02:00
Pekka Enberg
731c3f037a Merge 'Improve Python bindings' from Diego Reis 
Yet another PR to close #494.
While testing the code provided in the issue I noticed that it wasn't
closing the connection as it should, leading to lifetime issues like:
`Connection is unsendable, but is being dropped on another thread`. The
following code works fine:
```python
import limbo

def main():
    con = limbo.connect("test.db")
    cur = con.cursor()

    try:
        cur.execute("""
            CREATE TABLE IF NOT EXISTS users (
                id INTEGER PRIMARY KEY AUTOINCREMENT,
                username TEXT NOT NULL,
                email TEXT NOT NULL,
                role TEXT NOT NULL,
                created_at DATETIME NOT NULL DEFAULT (datetime('now'))
            )
        """)

        # Insert some sample data
        sample_users = [
            ("alice", "alice@example.com", "admin"),
            ("bob", "bob@example.com", "user"),
            ("charlie", "charlie@example.com", "moderator"),
            ("diana", "diana@example.com", "user")
        ]

        for username, email, role in sample_users:
            cur.execute("""
                INSERT INTO users (username, email, role)
                VALUES (?, ?, ?)
            """, (username, email, role))

        con.commit()

        # Query the table
        res = cur.execute("SELECT * FROM users")
        record = res.fetchone()
        print(record)

    finally:
        # Ensure connection is closed on the same thread <----
        con.close()
        pass

main()
```
You can test it [here](https://colab.research.google.com/drive/1NJau6Y9H
TRJrnYK_xp2AzwP_qEH8VsQx?usp=sharing)
To address these issues, this PR:
- Adds support for `with statement` a common resource management pattern
in Python;
- Close connection if it is dropped

Closes #1164
 2025-03-25 09:08:01 +02:00
Tshepang Mbambo
8b48c4b7b7 readme: typo 2025-03-25 09:06:40 +02:00
PThorpe92
e9420e7d2b Fix platform specific ffi c ptr types 2025-03-24 22:48:07 -04:00
Diego Reis
160d48d34e ext/python: Workaround to file permission error 
To get more info see:
https://github.com/tursodatabase/limbo/actions/runs/14039536389/job/39312362848
 2025-03-24 16:39:24 -03:00
Diego Reis
6edf3dd3b1 ext/python: Makes linter happy 2025-03-24 12:40:59 -03:00
Diego Reis
9a8970b6a8 ext/python: Update example 2025-03-24 12:21:30 -03:00
Diego Reis
ab8187f4e6 ext/python: Gracefully close connection by closing it at Drop 2025-03-24 12:21:15 -03:00
Diego Reis
4ca5b11bed ext/python: Add support for Context Manager 2025-03-24 12:20:13 -03:00
Ihor Andrianov
59f00ff0c3 fix not removing lock if cache did not exist 2025-03-24 15:09:18 +02:00
Ihor Andrianov
d8e070a360 moved json_cache to state 2025-03-24 14:48:40 +02:00
Ihor Andrianov
e5199b0f1a add tests 2025-03-24 13:17:59 +02:00
Ihor Andrianov
1511c9b3bf add json cache to json functions and fix tests 2025-03-24 13:17:58 +02:00
Ihor Andrianov
615de2a0d3 add json_cache struct 2025-03-24 13:17:57 +02:00
Ihor Andrianov
1daab8cd7c add bench to check json cache 2025-03-24 13:17:57 +02:00
Pekka Enberg
6798341b05 github: Don't close issues as stale so aggressively 2025-03-24 11:49:13 +02:00
Pekka Enberg
a9099cd6a5 Merge 'Schema translation cleanups' from Pekka Enberg 
Closes #1161
 2025-03-24 11:09:08 +02:00
Pekka Enberg
c5cdc859af Merge 'core: Fix Destroy opcode root page handling' from Pekka Enberg 
The `p1` register points to the root page, not to a cursor.
Fixes #1136

Closes #1162
 2025-03-24 11:09:00 +02:00
Pekka Enberg
65bf33023c core: Fix Destroy opcode root page handling 
The `p1` register points to the root page, not to a cursor.

Fixes #1136
 2025-03-24 10:54:49 +02:00
Pekka Enberg
0ec7dbc44e core: Move translate_create_table() to schema module 2025-03-24 10:44:41 +02:00
Pekka Enberg
0727f4aca6 core: Move temporary table handling to translate_create_table() 2025-03-24 10:38:55 +02:00
Pekka Enberg
7d4ac13926 core: Move translate_drop_table() to schema module 2025-03-24 10:37:02 +02:00
Pekka Enberg
31bbc5144a Merge 'Initial pass at UPDATE support' from Preston Thorpe 
This PR is to support `Update` queries. Follows sqlite behavior as much
as possible.
### limbo
```console
limbo> create table t (a,b,c);
limbo> explain update t set a = 1 where b = 2;
addr  opcode             p1    p2    p3    p4             p5  comment
----  -----------------  ----  ----  ----  -------------  --  -------
0     Init               0     18    0                    0   Start at 18
1     OpenWriteAsync     0     2     0                    0
2     OpenWriteAwait     0     0     0                    0
3     RewindAsync        0     0     0                    0
4     RewindAwait        0     17    0                    0   Rewind table t
5       Column           0     1     4                    0   r[4]=t.b
6       Ne               4     5     15                   0   if r[4]!=r[5] goto 15
7       RowId            0     6     0                    0   r[6]=t.rowid
8       IsNull           6     17    0                    0   if (r[6]==NULL) goto 17
9       Integer          1     1     0                    0   r[1]=1
10      Column           0     1     2                    0   r[2]=t.b
11      Column           0     2     3                    0   r[3]=t.c
12      MakeRecord       1     3     7                    0   r[7]=mkrec(r[1..3])
13      InsertAsync      0     7     6                    0
14      InsertAwait      0     0     0                    0
15    NextAsync          0     0     0                    0
16    NextAwait          0     5     0                    0
17    Halt               0     0     0                    0
18    Transaction        0     1     0                    0   write=true
19    Integer            2     5     0                    0   r[5]=2
20    Goto               0     1     0                    0
```
### sqlite
```console
sqlite> explain update t set a = 1 where b = 2;
addr  opcode         p1    p2    p3    p4             p5  comment
----  -------------  ----  ----  ----  -------------  --  -------------
0     Init           0     15    0                    0   Start at 15
1     Null           0     1     2                    0   r[1..2]=NULL
2     Noop           1     0     1                    0
3     OpenWrite      0     2     0     2              0   root=2 iDb=0; t
4     Rewind         0     14    0                    0
5       Column         0     1     5                    0   r[5]= cursor 0 column 1
6       Ne             6     13    5     BINARY-8       81  if r[5]!=r[6] goto 13
7       Rowid          0     2     0                    0   r[2]= rowid of 0
8       IsNull         2     14    0                    0   if r[2]==NULL goto 14
9       Integer        1     3     0                    0   r[3]=1
10      Column         0     1     4                    0   r[4]= cursor 0 column 1
11      MakeRecord     3     2     1                    0   r[1]=mkrec(r[3..4])
12      Insert         0     1     2     t              7   intkey=r[2] data=r[1]
13    Next           0     5     0                    1
14    Halt           0     0     0                    0
15    Transaction    0     1     1     0              1   usesStmtJournal=0
16    Integer        2     6     0                    0   r[6]=2
17    Goto           0     1     0                    0
```

Closes #1130
 2025-03-24 09:19:22 +02:00
Pekka Enberg
e8c0a6e728 Merge 'Various JSON improvements' from Ihor Andrianov 
Added jsonb_object, jsonb_array, json_insert, jsonb_insert.
MongoDB is sweating now.

Closes #1160
 2025-03-24 09:17:40 +02:00
Pekka Enberg
2bbc2b15bd Merge 'Fix SELECT 0.0 = 0 returning false' from lgualtieri75 
Fixes #1155

Closes #1158
 2025-03-24 08:49:09 +02:00
PThorpe92
a0188e5163 Use bind_col_refs to rewrite the Id expressions 2025-03-23 22:18:41 -04:00
PThorpe92
2dec7b7255 Add more test cases for update 2025-03-23 20:12:10 -04:00
PThorpe92
4067c98848 Adjust update tests, remove unsupported syntax 2025-03-23 19:20:45 -04:00
PThorpe92
1202653e76 Use normal conditional translation for update where clause 2025-03-23 19:20:14 -04:00
PThorpe92
3597b32e4b Resolve ambiguous columns in expr translator 2025-03-23 19:19:35 -04:00
PThorpe92
8455f612bd Possibly translate both sides of expr in update 2025-03-23 17:08:15 -04:00
PThorpe92
8f469f26b6 Add some additional tcl tests for update support 2025-03-23 17:08:15 -04:00
PThorpe92
a1d5797f90 Update COMPAT.md 2025-03-23 17:08:15 -04:00
PThorpe92
dbfe94d677 Add initial tests for update support 2025-03-23 17:08:15 -04:00
PThorpe92
c83cc6dff2 Small nits/clippy errors in vdbe 2025-03-23 17:08:15 -04:00
PThorpe92
676ddd4fb6 Add logic to handle overwrite cell if insert to same rowid to support update 2025-03-23 17:08:14 -04:00
PThorpe92
ef878a2e20 Begin update implementation, add translation 2025-03-23 17:08:14 -04:00
Ihor Andrianov
b7be728d64 fix copypaste typo 2025-03-23 21:15:29 +02:00
Ihor Andrianov
479dd9c35a clippy 2025-03-23 21:11:35 +02:00