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438 Commits

Author SHA1 Message Date
Harin
da53cc3821 Added Concat Opcode 2025-01-21 00:29:23 +05:30
Jussi Saurio
2cd9118be6 Fix jump_if_true to be a bool literal in places where it was used as a register number 2025-01-20 17:13:34 +02:00
Jussi Saurio
f88a4d6ac6 Add jump_if_null to cmp insns to account for either operand being NULL 2025-01-20 16:54:39 +02:00
Pekka Enberg
9369f06699 Merge 'Initial support for wal_checkpoint pragma' from Sonny 
Wire pragma wal_checkpoint to checkpoint infra
- add basic support for parsing and instruction emitting `pragma
wal_checkpoint;`
- checkpoint opcode for instruction
- checkpoint execution in `virtual machine`
- cli test
Part of #696.
Before
```
limbo> pragma wal_checkpoint;

  × Parse error: Not a valid pragma name
```
After
```
Enter ".help" for usage hints.
limbo> pragma wal_checkpoint;
0|0|0
```
```

Closes #694
 2025-01-20 09:57:58 +02:00
Pekka Enberg
bda1e4e6ab Merge 'Add support for json_object function' from Jorge Hermo 
Relates to #127.  This PR is still in draft and I have a few left things
to do (tests, improve implementation), just opening it so anyone can
track this work meanwhile.

Closes #664
 2025-01-20 09:36:56 +02:00
Pekka Enberg
a338a19130 Merge 'Make clippy happy' from Sonny 
Closes #751
 2025-01-20 09:18:19 +02:00
Pekka Enberg
c25d9a1824 Merge 'Implement Not' from Vrishabh 
This PR adds support for Not operator and Opcode.

Reviewed-by: Jussi Saurio <jussi.saurio@gmail.com>

Closes #748
 2025-01-20 09:17:45 +02:00
sonhmai
75f0cf9e20 chore: make clippy happy 2025-01-20 13:29:23 +07:00
ben594
28ce68091f Modified changes and total_changes scalarfuncs to be more like sqlite 
Fmt and clippy

Remove print
 2025-01-19 20:51:13 -05:00
sonhmai
e45a807f0e core: allocate 2 registers for checkpoint opcode execution 2025-01-20 08:34:13 +07:00
sonhmai
cb631dafdc feat: wire checkpoint to bytecode execution 2025-01-20 08:34:13 +07:00
sonhmai
66d6291f32 add scaffolding for supporting wal checkpoint 2025-01-20 08:34:13 +07:00
psvri
e616bd5361 Implement Not 2025-01-20 00:21:23 +05:30
Pekka Enberg
f5e5428d45 Merge 'Syntactic improvements' from Jorge López Tello 
This is a purely syntactic PR. It doesn't change behavior, just rewrites
some loops and removes unneeded parts, like lifetime annotations and
references. Mainly because the Clippy and IDE warnings get annoying.
Don't worry about the number of commits, I just separated based on type
of change.

Closes #732
 2025-01-19 12:17:28 +02:00
Pekka Enberg
3e28541b53 Merge 'Fix null compare operations not giving null' from Vrishabh 
In limbo when we do any compare operations like `Eq, gt, lt, gte, lte`
with nulls , we were actually giving the result as true where as sqlite3
gives null. This is because if we had a null, we were incorrectly going
to conditional branch and not increment program by 1. Also the sqlite
generates `ZeroOrNull` op in these cases
(https://github.com/sqlite/sqlite/blob/version-3.45.3/src/expr.c#L4644)
but we were generating a Integer instruction. The below outputs can give
a clearer picture.
This PR aims to fix this.
sqlite3 output
```
SQLite version 3.48.0
Enter ".help" for usage hints.
Connected to a transient in-memory database.
Use ".open FILENAME" to reopen on a persistent database.
sqlite> select 8 = null;

sqlite> select 8 > null;

sqlite> explain select 8 > null;
addr  opcode         p1    p2    p3    p4             p5  comment
----  -------------  ----  ----  ----  -------------  --  -------------
0     Init           0     6     0                    0
1     Integer        1     1     0                    0
2     Gt             3     4     2                    64
3     ZeroOrNull     2     1     3                    0
4     ResultRow      1     1     0                    0
5     Halt           0     0     0                    0
6     Integer        8     2     0                    0
7     Null           0     3     0                    0
8     Goto           0     1     0                    0
sqlite> explain select 8 = null;
addr  opcode         p1    p2    p3    p4             p5  comment
----  -------------  ----  ----  ----  -------------  --  -------------
0     Init           0     6     0                    0
1     Integer        1     1     0                    0
2     Eq             3     4     2                    64
3     ZeroOrNull     2     1     3                    0
4     ResultRow      1     1     0                    0
5     Halt           0     0     0                    0
6     Integer        8     2     0                    0
7     Null           0     3     0                    0
8     Goto           0     1     0                    0
```
Limbo Output
```
Limbo v0.0.12
Enter ".help" for usage hints.
Connected to a transient in-memory database.
Use ".open FILENAME" to reopen on a persistent database
limbo> select 8 = null;
1
limbo> select 8 > null;
1
limbo> explain select 8 > null;
addr  opcode             p1    p2    p3    p4             p5  comment
----  -----------------  ----  ----  ----  -------------  --  -------
0     Init               0     8     0                    0   Start at 8
1     Integer            8     2     0                    0   r[2]=8
2     Null               0     3     0                    0   r[3]=NULL
3     Integer            1     1     0                    0   r[1]=1
4     Gt                 2     3     6                    0   if r[2]>r[3] goto 6
5     Integer            0     1     0                    0   r[1]=0
6     ResultRow          1     1     0                    0   output=r[1]
7     Halt               0     0     0                    0
8     Transaction        0     0     0                    0
9     Goto               0     1     0                    0
limbo> explain select 8 = null;
addr  opcode             p1    p2    p3    p4             p5  comment
----  -----------------  ----  ----  ----  -------------  --  -------
0     Init               0     8     0                    0   Start at 8
1     Integer            8     2     0                    0   r[2]=8
2     Null               0     3     0                    0   r[3]=NULL
3     Integer            1     1     0                    0   r[1]=1
4     Eq                 2     3     6                    0   if r[2]==r[3] goto 6
5     Integer            0     1     0                    0   r[1]=0
6     ResultRow          1     1     0                    0   output=r[1]
7     Halt               0     0     0                    0
8     Transaction        0     0     0                    0
9     Goto               0     1     0                    0
limbo>
```
Limbo Output with this PR
```
Limbo v0.0.12
Enter ".help" for usage hints.
Connected to a transient in-memory database.
Use ".open FILENAME" to reopen on a persistent database
limbo> select 8 = null;

limbo> select 8 > null;

limbo> explain select 8 > null;
addr  opcode             p1    p2    p3    p4             p5  comment
----  -----------------  ----  ----  ----  -------------  --  -------
0     Init               0     8     0                    0   Start at 8
1     Integer            8     2     0                    0   r[2]=8
2     Null               0     3     0                    0   r[3]=NULL
3     Integer            1     1     0                    0   r[1]=1
4     Gt                 2     3     6                    0   if r[2]>r[3] goto 6
5     ZeroOrNull         2     1     3                    0   ((r[2]=NULL)|(r[3]=NULL)) ? r[1]=NULL : r[1]=0
6     ResultRow          1     1     0                    0   output=r[1]
7     Halt               0     0     0                    0
8     Transaction        0     0     0                    0
9     Goto               0     1     0                    0
limbo>  explain select 8 = null;
addr  opcode             p1    p2    p3    p4             p5  comment
----  -----------------  ----  ----  ----  -------------  --  -------
0     Init               0     8     0                    0   Start at 8
1     Integer            8     2     0                    0   r[2]=8
2     Null               0     3     0                    0   r[3]=NULL
3     Integer            1     1     0                    0   r[1]=1
4     Eq                 2     3     6                    0   if r[2]==r[3] goto 6
5     ZeroOrNull         2     1     3                    0   ((r[2]=NULL)|(r[3]=NULL)) ? r[1]=NULL : r[1]=0
6     ResultRow          1     1     0                    0   output=r[1]
7     Halt               0     0     0                    0
8     Transaction        0     0     0                    0
9     Goto               0     1     0                    0
```

Closes #733
 2025-01-19 09:09:12 +02:00
Pekka Enberg
cdcc98540a cargo fmt 2025-01-19 08:52:01 +02:00
Krishna Vishal
5cf78b7d54 chore: clippy remove unused imports 2025-01-19 07:18:31 +05:30
Krishna Vishal
acad562c07 Remove unnecessary Result 2025-01-19 06:50:00 +05:30
Krishna Vishal
fa0503f0ce 1. Changes to extension.py 
2. chore: cargo fmt
 2025-01-19 04:58:05 +05:30
Krishna Vishal
6173aeeb3b 1. Fix merge conflicts 
2. change tests for extensions to return error instead of null (Preston)
 2025-01-19 04:39:25 +05:30
Krishna Vishal
ca097b1972 Remove unused import 2025-01-19 04:35:21 +05:30
Krishna Vishal
027803aabf Refactor code 2025-01-19 04:35:21 +05:30
Krishna Vishal
68553904c7 Converted the unconditional unwrap to a match which handles the case when the function is COUNT and args are None and replaces the args. Solves https://github.com/tursodatabase/limbo/issues/725 2025-01-19 04:35:21 +05:30
psvri
e16b3491c4 Fix null compares giving incorrect results 2025-01-19 00:44:38 +05:30
Jorge López
50852f36f8 syntactic changes: semantics, call is_empty instead of manually checking the size 2025-01-18 19:20:12 +01:00
Jorge López
3da813b260 syntactic changes: use if let .. else instead of checking for is_none() and calling unwrap() 2025-01-18 19:20:12 +01:00
Jorge López
218a2e6dda syntactic changes: remove unneeded mut, lifetimes,references that get instantaneously dereferenced and casts 2025-01-18 18:43:47 +01:00
Jorge López
2cc8cb9ad8 syntactic changes: use assert_eq!() instead of assert!() for equality comparisons 2025-01-18 18:37:50 +01:00
Jorge López
f160206cdd syntactic changes: replace unwrap() with ? in functions that return Result<...> 2025-01-18 18:33:43 +01:00
Jorge López
86a4714711 syntactic changes: remove unneeded paths when the type is already imported 2025-01-18 18:29:12 +01:00
psvri
b966351e1f Implement IsNot operator 2025-01-18 22:49:09 +05:30
psvri
5a13f0790f Implement is operator 2025-01-18 15:57:26 +05:30
PThorpe92
fc82461eff Complete percentile extension, enable col+delimeter args 2025-01-17 21:15:09 -05:00
PThorpe92
0c737d88f7 Support aggregate functions in Extensions 2025-01-17 14:13:57 -05:00
psvri
3e9f3ae652 Fix all args not being passed to external functions 2025-01-16 23:15:01 +05:30
Jorge Hermo
fa8eb9549a Merge with main 2025-01-15 22:10:35 +01:00
Levy A.
9b8722f38e refactor: more well rounded implementation 
`?0` parameters are now handled by the parser.
 2025-01-15 16:53:26 -03:00
Levy A.
5de2694834 feat: more parameter support 
add `Statement::{parameter_index, parameter_name, parameter_count,
bind_at}`. some refactoring is still needed, this is quite a rough
iteration
 2025-01-15 16:51:04 -03:00
Levy A.
08c8c655e9 feat: initial implementation of Statement::bind 2025-01-15 16:51:04 -03:00
Pekka Enberg
bdc06f2d66 Merge 'Implement ShiftRight' from Vrishabh 
This PR adds support for ShiftRight operator and Opcode.

Closes #703
 2025-01-15 18:53:23 +02:00
Pekka Enberg
7c549bc978 Merge 'Expr: fix recursive binary operation logic' from Jussi Saurio 
I believe this closes #682
```
limbo> CREATE TABLE proficient_barrett (imaginative_etrebilal BLOB,lovely_wilson BLOB);
INSERT INTO proficient_barrett VALUES (X'656E67726F7373696E675F636861636F', X'776F6E64726F75735F626F75726E65');
limbo> SELECT * FROM proficient_barrett
WHERE (
    (
        (
            (
                imaginative_etrebilal != X'6661766F7261626C655F636F726573'
                OR
                (imaginative_etrebilal > X'656E67726F7373696E675F6368616439')
            )
            AND
            (
                imaginative_etrebilal = X'656E676167696E675F6E6163696F6E616C'
                OR
                TRUE
            )
        )
        OR
        FALSE
    )
    AND
    (
        imaginative_etrebilal > X'656E67726F7373696E675F63686164F6'
        OR
        TRUE
    )
);
engrossing_chaco|wondrous_bourne
```
@PThorpe92 I don't think we need the `parent_op` machinery at all, we
just need to not jump to the `jump_target_when_true` label given by the
parent if we are evaluating the first condition of an AND.
related: https://github.com/tursodatabase/limbo/pull/633

Reviewed-by: Preston Thorpe <cory.pride83@gmail.com>

Closes #698
 2025-01-15 18:32:59 +02:00
psvri
d3f28c51f4 Implement ShiftRight 2025-01-15 21:21:51 +05:30
psvri
5b4d82abbf Implement ShiftLeft 2025-01-15 18:54:07 +05:30
Jussi Saurio
84ef8a8951 translate_condition_expr(): unify how the AND and OR cases look 2025-01-15 14:24:40 +02:00
Jussi Saurio
f8b3b06163 Expr: fix recursive binary operation logic 2025-01-15 14:12:08 +02:00
Pekka Enberg
ca2333d0c4 Merge 'Add load_extension function, resolve shared lib extensions' from Preston Thorpe 
This PR adds the `load_extension` function, and allows for platform
agnostic arguments: e.g. `select
load_extension('target/debug/liblimbo_uuid');` omitting the file
extension.

Closes #680
 2025-01-15 09:14:34 +02:00
Pekka Enberg
256c0d4604 Merge 'Add support for rowid keyword' from Kould 
https://github.com/tursodatabase/limbo/issues/241
support keyword `rowid`
check if rowid exists when creating table
```shell
explain SELECT rowid FROM users WHERE rowid = 1;

addr  opcode             p1    p2    p3    p4             p5  comment
----  -----------------  ----  ----  ----  -------------  --  -------
0     Init               0     12    0                    0   Start at 12
1     OpenReadAsync      0     2     0                    0   table=users, root=2
2     OpenReadAwait      0     0     0                    0
3     RewindAsync        0     0     0                    0
4     RewindAwait        0     11    0                    0   Rewind table users
5       RowId            0     2     0                    0   r[2]=users.rowid
6       Ne               2     3     9                    0   if r[2]!=r[3] goto 9
7       RowId            0     1     0                    0   r[1]=users.rowid
8       ResultRow        1     1     0                    0   output=r[1]
9     NextAsync          0     0     0                    0
10    NextAwait          0     5     0                    0
11    Halt               0     0     0                    0
12    Transaction        0     0     0                    0
13    Integer            1     3     0                    0   r[3]=1
14    Goto               0     1     0                    0
```

Closes #596
 2025-01-14 21:10:20 +02:00
PThorpe92
23d9d09b70 Add load_extension function, resolve shared lib extensions 2025-01-14 12:01:07 -05:00
Kould
1bf651bd37 chore: rollback using rowid(sqlite3 unsupported) 2025-01-14 22:56:49 +08:00
Kould
5305a9d0fd feat: support keyword rowid 2025-01-14 22:41:40 +08:00