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52 Commits

Author SHA1 Message Date
Pekka Enberg
a4d9f70ef8 Merge 'Strict table support' from Ihor Andrianov 
Closes #884
Support for
```CREATE TABLE test(id INTEGER) STRICT;```

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

Closes #1268
 2025-04-09 16:45:56 +03:00
PThorpe92
224f913ae7 Handle composite key indexes on insert 2025-04-08 08:55:14 -04:00
PThorpe92
1f29307fe8 Support proper index handling when doing insertions 2025-04-08 08:55:14 -04:00
Ihor Andrianov
4a08b98bab implemented strict table 2025-04-07 20:01:39 +03:00
Pekka Enberg
2d3fd01f91 Merge 'Support Create Index' from Preston Thorpe 
Closes #1193
```console
│limbo> explain create index idxp on products(price);
│addr  opcode             p1    p2    p3    p4             p5  comment
│----  -----------------  ----  ----  ----  -------------  --  -------
│0     Init               0     39    0                    0   Start at 39
│1     CreateBtree        0     1     2                    0   r[1]=root iDb=0 flags=2
│2     OpenWriteAsync     0     1     0                    0
│3     OpenWriteAwait     0     0     0                    0
│4     NewRowId           0     2     0                    0
│5     String8            0     3     0     index          0   r[3]='index'
│6     String8            0     4     0     idxp           0   r[4]='idxp'
│7     String8            0     5     0     products       0   r[5]='products'
│8     Copy               1     6     1                    0   r[6]=r[1]
│9     String8            0     7     0     CREATE INDEX idxp ON products (price)  0   r[7]='CREATE INDEX idxp ON products (price)'
│10    MakeRecord         3     5     8                    0   r[8]=mkrec(r[3..7])
│11    InsertAsync        0     8     2                    0
│12    InsertAwait        0     0     0                    0
│13    SorterOpen         3     1     0     k(1,B)         0   cursor=3
│14    OpenPseudo         4     9     2                    0   2 columns in r[9]
│15    OpenReadAsync      2     273   0                    0   table=products, root=273
│16    OpenReadAwait      0     0     0                    0
│17    RewindAsync        2     0     0                    0
│18    RewindAwait        2     25    0                    0   Rewind table products
│19      Column           2     2     10                   0   r[10]=products.price
│20      RowId            2     11    0                    0   r[11]=products.rowid
│21      MakeRecord       10    2     12                   0   r[12]=mkrec(r[10..11])
│22      SorterInsert     3     12    0     0              0   key=r[12]
│23    NextAsync          2     0     0                    0
│24    NextAwait          2     19    0                    0
│25    OpenWriteAsync     1     1     0                    0
│26    OpenWriteAwait     0     0     0                    0
│27    SorterSort         3     33    0                    0
│28      SorterData       3     13    4                    0   r[13]=data
│29      SeekEnd          1     0     0                    0
│30      IdxInsertAsync   1     13    0                    0   key=r[13]
│31      IdxInsertAwait   1     0     0                    0
│32    SorterNext         3     28    0                    0
│33    Close              3     0     0                    0
│34    Close              2     0     0                    0
│35    Close              1     0     0                    0
│36    ParseSchema        0     0     0     name = 'idxp' AND type = 'index'  0   name = 'idxp' AND type = 'index'
│37    Close              0     0     0                    0
│38    Halt               0     0     0                    0
│39    Transaction        0     1     0                    0   write=true
│40    Goto               0     1     0                    0
```
This will create the initial index btree and insert whatever relevant
records that need to be inserted, it doesn't handle the case of
inserting new index keys when normal records are created afterwards.
That will prob be added in next PR to keep this one concise.
Limbo will properly use the index in a subsequent query:
![image](https://github.com/user-
attachments/assets/eb41e985-4a70-49a5-8218-62c25e4d16c5)
Creating a unique index on a column that has 2 existing identical rows:
![image](https://github.com/user-
attachments/assets/ea46c720-5235-4451-81f0-25497ed9ee92)

Reviewed-by: Pere Diaz Bou <pere-altea@homail.com>
Reviewed-by: Jussi Saurio <jussi.saurio@gmail.com>

Closes #1199
 2025-04-06 19:32:36 +03:00
PThorpe92
c9edf71fb8 Support insert default values syntax 2025-04-05 21:27:21 -04:00
PThorpe92
e020ba3dfe Add enum for interpreting a value as a register or literal for insns 2025-04-05 11:19:07 -04:00
PThorpe92
b0016a0ee2 Support create index with SeekEnd and IdxCreate opcode functionality 2025-04-05 11:15:36 -04:00
Diego Reis
43daba9942 core/translate: Add support for default values in INSERT statements 2025-04-04 01:32:13 -03:00
PThorpe92
38e54ca85e Update schema dot command to show virtual tables 2025-02-17 20:44:45 -05:00
PThorpe92
8b5772fe1c Implement VUpdate (insert/delete for virtual tables 2025-02-17 20:44:44 -05:00
PThorpe92
9c8083231c Implement create virtual table and VUpdate opcode 2025-02-17 20:44:44 -05:00
Pekka Enberg
ac54c35f92 Switch to workspace dependencies 
...makes it easier to specify a version, which is needed for `cargo publish`.
 2025-02-12 17:28:04 +02:00
Pekka Enberg
6ea7fa06d2 Merge 'prepare perf: make ProgramBuilder aware of plan to count/estimate required memory' from Jussi Saurio 
Use knowledge of query plan to inform how much memory to initially
allocate for `ProgramBuilder` vectors
Some of them are exact, some are semi-random estimates
```sql
Prepare `SELECT 1`/Limbo/SELECT 1
                        time:   [756.93 ns 758.11 ns 759.59 ns]
                        change: [-4.5974% -4.3153% -4.0393%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
  2 (2.00%) low severe
  1 (1.00%) low mild
  3 (3.00%) high mild
  1 (1.00%) high severe

Prepare `SELECT * FROM users LIMIT 1`/Limbo/SELECT * FROM users LIMIT 1
                        time:   [1.4739 µs 1.4769 µs 1.4800 µs]
                        change: [-7.9364% -7.7171% -7.4979%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 1 outliers among 100 measurements (1.00%)
  1 (1.00%) high mild

Prepare `SELECT first_name, count(1) FROM users GROUP BY first_name HAVING count(1) > 1 ORDER BY cou...`
                        time:   [3.7440 µs 3.7520 µs 3.7596 µs]
                        change: [-5.4627% -5.1578% -4.8445%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 1 outliers among 100 measurements (1.00%)
  1 (1.00%) high severe
```

Closes #899
 2025-02-05 18:24:16 +02:00
Jussi Saurio
795576b2ec dont eagerly allocate result column name strings 2025-02-05 17:53:23 +02:00
Jussi Saurio
f599b5a752 Make programbuilder aware of plan to count/estimate required memory 2025-02-05 14:22:42 +02:00
Jorge López
2cc8cb9ad8 syntactic changes: use assert_eq!() instead of assert!() for equality comparisons 2025-01-18 18:37:50 +01:00
Levy A.
2f2c96fa2c chore: cargo fmt 2025-01-13 21:31:33 -03:00
Levy A.
eff5de50c5 refactor: make translate_* functions accept ProgramBuilder 
simplifies function signatures and allows attaching more context to
ProgramStatus on `translate::translate`, useful for query parameters.
 2025-01-13 20:41:56 -03:00
Jussi Saurio
9909539b9d Store cursor type (table,index,pseudo,sorter) when allocating cursor 2025-01-11 17:04:16 +02:00
Jussi Saurio
731ff1480f Simplify working with labels 
TLDR: no need to call either of:

program.emit_insn_with_label_dependency() -> just call program.emit_insn()
program.defer_label_resolution() -> just call program.resolve_label()

Changes:

- make BranchOffset an explicit enum (Label, Offset, Placeholder)
- remove program.emit_insn_with_label_dependency() - label dependency is automatically detected
- for label to offset mapping, use a hashmap from label(negative i32) to offset (positive u32)
- resolve all labels in program.build()
- remove program.defer_label_resolution() - all labels are resolved in build()
 2025-01-07 12:53:10 +02:00
Jussi Saurio
f434b24e63 Fix limbo/core to work with new boxed ast types 2025-01-05 13:51:34 +02:00
Jussi Saurio
d1f74fa3cb Emitter cleanup part 2: add Resolver 2025-01-04 12:23:19 +02:00
Pekka Enberg
33dbd6c892 core: External functions 2024-12-31 13:56:32 +02:00
Pekka Enberg
dad3a5b069 core/translate: Move translate_insert() to top 
The translate_insert() function is the entry point to translating an
INSERT statement so let's make it the first function in insert.rs.
 2024-12-31 11:33:17 +02:00
Lauri Virtanen
854005b977 Run cargo clippy --fix && cargo fmt 2024-12-29 19:22:28 +02:00
PThorpe92
f6cd707544 Add clippy CI, fix or ignore warnings where appropriate 2024-12-29 10:25:41 -05:00
jussisaurio
c4e2a344ae parse error instead of assert! for unsupported features 2024-12-25 21:14:58 +02:00
jussisaurio
050b8744ea Dont use coroutine when inserting a single row 2024-12-25 21:14:58 +02:00
jussisaurio
c78a3e952a clean up implementation 2024-12-25 21:14:58 +02:00
jussisaurio
51541dd8dc fix issues with insert 2024-12-25 21:14:08 +02:00
jussisaurio
885b6ecd76 Remove 'cursor_hint': it is never needed 2024-11-26 17:31:51 +02:00
jussisaurio
cc902ed25d GROUP BY and ORDER BY mostly work 2024-11-26 17:31:51 +02:00
jussisaurio
3f9e60633f select refactor: order by and basic agg kinda work 2024-11-26 17:31:51 +02:00
Pere Diaz Bou
c0e51c4ca6 wip wal 2024-11-05 15:29:53 +01:00
jussisaurio
f02da18acd index scan wip foo doesnt work yet 2024-10-05 18:25:04 +03:00
Pekka Enberg
b67640c437 Merge 'core: constraint check uniqueness' from Pere Diaz Bou 
```bash
limbo> insert into products values (1, 'asdf', 432);
Runtime error: UNIQUE constraint failed: products.id (19)
```

Closes #336
 2024-09-20 13:27:10 +03:00
Pere Diaz Bou
c8e5673f7a core: constraint check uniqueness 2024-09-20 11:45:55 +02:00
김선우
28884181be Fix clippy 2024-09-15 16:23:27 +09:00
jussisaurio
a108dea825 GROUP BY 2024-09-14 16:14:45 +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
gandeevanr
2b86f89d8d use the correct integer PK column idx as the row-id alias 2024-08-04 18:53:54 -07:00
sonhmai
0e7bd95e4e core: fix clippy 2024-08-03 20:14:26 +07:00
Pekka Enberg
f8a43361db core: Move pager.rs to storage module 2024-08-01 11:52:50 +03:00
Pere Diaz Bou
84bf0ea96a core: remove a bunch of warnings 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-31 17:27:02 +02:00
Pere Diaz Bou
7846a3b29c core: fix calculation of record header size varint 2024-07-31 17:27:02 +02:00
Pere Diaz Bou
e6f8b34f2b core: insert_to_page almost complete 2024-07-31 17:27:02 +02:00
Pere Diaz Bou
a09f3485f9 core: fix op generation 2024-07-31 17:27:02 +02:00
Pere Diaz Bou
6357e88b46 core: implement vdbe opcodes minus newrowid 2024-07-31 17:25:01 +02:00