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Author SHA1 Message Date
Pekka Enberg
5e47dfabaf Drop Select::from member field 
It's not used anywhere.
 2024-07-10 15:17:04 +03:00
Pekka Enberg
a46912c355 Merge pull request #113 from penberg/kill-select-context 
Fold SelectContext to Select
 2024-07-10 15:13:37 +03:00
Pekka Enberg
0316385150 Fold SelectContext to Select 
We can use Select to keep track of loops and stuff. Having a separate
SelectContext just means we need to pass around more objects to
functions.
 2024-07-10 15:09:30 +03:00
Pekka Enberg
f2b1971def Simplify AST type paths 
The `sqlite3_parser` prefix is redundant.
 2024-07-10 11:08:07 +03:00
Pekka Enberg
5b36ca12ad Merge pull request #111 from Ramkarthik/main 2024-07-09 22:54:43 +03:00
Ramkarthik Krishnamurthy
ae68c96635 Indent EXPLAIN output like SQLite 2024-07-10 00:01:52 +05:30
Pekka Enberg
fee82542d4 Merge pull request #109 from pereman2/refactor-sqlite3WhereBegin 2024-07-09 20:16:33 +03:00
Pere Diaz Bou
e557b7b9ee core: add comment for src_tables 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:48:26 +02:00
Pere Diaz Bou
61d0f877e3 core: create list of src tables 
Instead of having divided "from table" and "join tables", we merge them
in to a list of `src_tables`.

Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:46:35 +02:00
Pere Diaz Bou
d41319a837 core: remove hash for Table 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:14:32 +02:00
Pere Diaz Bou
46592e7b34 core: fix translate_expr args from new agg functions 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:10:18 +02:00
Pere Diaz Bou
90a4fc6bb8 test: cross-join-specific-columns 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:08:16 +02:00
Pere Diaz Bou
110df3cff1 core: fix resolve table name from join 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:08:16 +02:00
Pere Diaz Bou
e0431fdde1 testing: update testing with products table and cross join test 
Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:08:16 +02:00
Pere Diaz Bou
0b0885325c core: refactor generation of table row read 
In sqlite3 generating the loop to read multiple joined tables follows
the pattern:

```c
sqlite3WhereBegin();
sqlite3WhereEnd();
```

and this generates:
```
sqlite> explain select * from users, products;
addr  opcode         p1    p2    p3    p4             p5  comment
----  -------------  ----  ----  ----  -------------  --  -------------
0     Init           0     23    0                    0   Start at 23
1     OpenRead       0     2     0     10             0   root=2 iDb=0; users
2     OpenRead       1     3     0     3              0   root=3 iDb=0; products
3     Rewind         0     22    0                    0
4       Rewind         1     22    0                    0
5         Rowid          0     1     0                    0   r[1]=users.rowid
6         Column         0     1     2                    0   r[2]= cursor 0 column 1
7         Column         0     2     3                    0   r[3]= cursor 0 column 2
8         Column         0     3     4                    0   r[4]= cursor 0 column 3
9         Column         0     4     5                    0   r[5]= cursor 0 column 4
10        Column         0     5     6                    0   r[6]= cursor 0 column 5
11        Column         0     6     7                    0   r[7]= cursor 0 column 6
12        Column         0     7     8                    0   r[8]= cursor 0 column 7
13        Column         0     8     9                    0   r[9]= cursor 0 column 8
14        Column         0     9     10                   0   r[10]= cursor 0 column 9
15        Rowid          1     11    0                    0   r[11]=products.rowid
16        Column         1     1     12                   0   r[12]= cursor 1 column 1
17        Column         1     2     13                   0   r[13]= cursor 1 column 2
18        RealAffinity   13    0     0                    0
19        ResultRow      1     13    0                    0   output=r[1..13]
20      Next           1     5     0                    1
21    Next           0     4     0                    1
22    Halt           0     0     0                    0
23    Transaction    0     0     2     0              1   usesStmtJournal=0
24    Goto           0     1     0                    0
```

`sqlite3WhereBegin()` as the name represents, mainly does stuff with
`WHERE` expressions + loop generation. This is why I decided to change
the name to `translate_tables_begin` to try improve the naming.

In our case:
```rust
    translate_table_open_cursor(program, &mut context, select.from.as_ref().unwrap());
    translate_table_open_loop(program, &mut context, loop_index);
```

translates into:
```sql
> explain select * from users, products;
addr  opcode         p1    p2    p3    p4             p5  comment
----  -------------  ----  ----  ----  -------------  --  -------
0     Init           0     28    0       0   Start at 28
1     OpenReadAsync  0     2     0       0   root=2
2     OpenReadAwait  0     0     0       0
3     OpenReadAsync  1     3     0       0   root=3
4     OpenReadAwait  0     0     0       0
5     RewindAsync    0     0     0       0
6     RewindAwait    0     27    0       0
7     RewindAsync    1     0     0       0
8     RewindAwait    1     25    0       0
9     RowId          0     0     0       0
10    Column         0     1     1       0   r[1]= cursor 0 column 1
11    Column         0     2     2       0   r[2]= cursor 0 column 2
12    Column         0     3     3       0   r[3]= cursor 0 column 3
13    Column         0     4     4       0   r[4]= cursor 0 column 4
14    Column         0     5     5       0   r[5]= cursor 0 column 5
15    Column         0     6     6       0   r[6]= cursor 0 column 6
16    Column         0     7     7       0   r[7]= cursor 0 column 7
17    Column         0     8     8       0   r[8]= cursor 0 column 8
18    Column         0     9     9       0   r[9]= cursor 0 column 9
19    RowId          1     10    0       0
20    Column         1     1     11      0   r[11]= cursor 1 column 1
21    Column         1     2     12      0   r[12]= cursor 1 column 2
22    ResultRow      0     13    0       0   output=r[0..13]
23    NextAsync      1     0     0       0
24    NextAwait      1     8     0       0
25    NextAsync      0     0     0       0
26    NextAwait      0     6     0       0
27    Halt           0     0     0       0
28    Transaction    0     0     0       0
29    Goto           0     1     0       0
```

This works on as many joined tables but... it is ready to extend for
further join operations.

Signed-off-by: Pere Diaz Bou <pere-altea@hotmail.com>
 2024-07-09 18:08:16 +02:00
Pekka Enberg
c5272afdd6 Add JSON functions to sqlite-compat.md 2024-07-09 12:28:31 +03:00
Pekka Enberg
704a9c214e Update compatibility doc and changelog 2024-07-09 12:17:55 +03:00
Pekka Enberg
01ed0f8257 Merge pull request #107 from ishanjain28/iouring_direct 2024-07-09 09:19:11 +03:00
Ishan Jain
c171b63ec2 use O_DIRECT for file read operations 2024-07-09 11:41:20 +05:30
Pekka Enberg
32df171786 Merge pull request #106 from mazchew/add-min-aggregate-function 2024-07-08 22:21:20 +03:00
Pekka Enberg
3c76a68a6d Update compatibility matrix and changelog 2024-07-08 22:18:12 +03:00
mazchew
fc0c3d539a add min aggregate function 
add changes for all.test
 2024-07-09 03:14:02 +08:00
Pekka Enberg
7bc83e5a0f Merge pull request #105 from mazchew/add-max-aggregate-function 2024-07-08 21:59:59 +03:00
mazchew
3f339d07d3 add max aggregate function 2024-07-09 02:45:34 +08:00
Pekka Enberg
e5d55398db Merge pull request #104 from KunalSin9h/dot-commands 2024-07-08 20:51:50 +03:00
Kunal Singh
46cd1f067b fix: missing dot command description in unknown command message 2024-07-08 23:19:21 +05:30
Pekka Enberg
3a9a54e8d2 Merge pull request #103 from KunalSin9h/clippy 2024-07-08 20:37:33 +03:00
Kunal Singh
00c26286ce fix: lint warnings 2024-07-08 22:43:11 +05:30
Pekka Enberg
0e60f077ca Merge pull request #102 from KunalSin9h/empty-args 
fix: unhanded empty args in aggregate function
 2024-07-08 17:37:30 +03:00
Kunal Singh
fab8f1777a fix: unhandled empty args in aggregate function 2024-07-08 19:13:53 +05:30
Pekka Enberg
57cdabcc99 Merge pull request #100 from vivek378521/add-agg-fn-count 2024-07-08 11:53:30 +03:00
Vivek Khatri
fe7c1b5b1d Merge branch 'main' into add-agg-fn-count 2024-07-08 13:58:14 +05:30
Vivek
94358dc665 Add aggregate fn: count 2024-07-08 13:55:06 +05:30
Pekka Enberg
b7566ae720 Add opcodes to SQLite compatibility doc 2024-07-08 09:13:37 +03:00
Pekka Enberg
910b3bc84c Merge pull request #99 from vivek378521/improve-makefile 2024-07-08 08:58:13 +03:00
Pekka Enberg
5be71e9b9b Merge pull request #98 from haaawk/remove_copies 2024-07-07 20:07:10 +03:00
Piotr Jastrzebski
c01f39aefb Make it possible to get row values as &str 
This allows to avoid some unneeded copies and allocations.

Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 18:51:47 +02:00
Pekka Enberg
7818a97ac9 Merge pull request #97 from haaawk/primary_key 
Fix primary key handling in BTreeTable
 2024-07-07 19:14:15 +03:00
Piotr Jastrzebski
4a9e0dfc4d Add tests for primary key 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 17:55:04 +02:00
Piotr Jastrzebski
77f50e7f7c Stop ignoring test_column_is_rowid_alias_single_integer_separate_primary_key_definition 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 17:55:04 +02:00
Piotr Jastrzebski
861716f343 Use BTreeTable::primary_key_column_names in column_is_rowid_alias 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 17:55:04 +02:00
Piotr Jastrzebski
f98c62bfb7 Setup BTreeTable::primary_key_column_names correctly 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 17:54:47 +02:00
Piotr Jastrzebski
6bf9fbb0de Add primary_key_column_names to BTreeTable 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 17:20:49 +02:00
Pekka Enberg
caf888151c Merge pull request #95 from haaawk/schema 2024-07-07 16:18:21 +03:00
Piotr Jastrzebski
828c4ce459 Add tests for BTreeTable::column_is_rowid_alias 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 15:14:38 +02:00
Piotr Jastrzebski
73e037afa2 Add tests for hes_rowid field 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 14:52:20 +02:00
Piotr Jastrzebski
50ecea0c86 Use has_rowid in column_is_rowid_alias 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 14:52:20 +02:00
Piotr Jastrzebski
2aa0a92955 Setup has_rowid correctly for BTreeTable 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 14:52:00 +02:00
Piotr Jastrzebski
9ddb0befc4 Add has_rowid field to BTreeTable 
Signed-off-by: Piotr Jastrzebski <haaawk@gmail.com>
 2024-07-07 14:32:28 +02:00
Pekka Enberg
541e966834 Add SELECT ... LIMIT to changelog 2024-07-07 14:28:36 +03:00