Commit Graph

27 Commits

Author SHA1 Message Date
Pekka Enberg
0b9b6cfd29 Asynchronous I/O 2024-01-24 08:14:53 +02:00
Pekka Enberg
ae2f403838 core: Fix step() return path when page is under I/O 2024-01-12 17:35:55 +02:00
Pekka Enberg
e08d23a008 Implement LIMIT clause
Note that we handle `LIMIT 0` a bit different from SQLite, which just
detects the case and generates an unconditional jump doing nothing.

Fixes #3
2023-09-10 13:42:57 +03:00
Pekka Enberg
a2202ed31e Implement reading primary key columns 2023-09-10 13:19:17 +03:00
Pekka Enberg
e38c816ee8 Move translate() into its own file 2023-09-10 12:37:17 +03:00
Pekka Enberg
f6f1f97171 Switch cursor lookup to use BTreeMap
We're storing integers into the HashMap, BTreeMap is faster because
it avoid the hash function. Furthermore, we expect only to have very few
cursors here anyway, so BTreeMap is perfect.
2023-09-02 20:59:22 +03:00
Pekka Enberg
942239fab1 Simplify ProgramState register allocation
...it's faster this way.
2023-09-02 20:55:20 +03:00
Pekka Enberg
ef0c4f69cc Allocate vector with capacity
...reduces memory allocations.
2023-09-02 13:59:41 +03:00
Pekka Enberg
2c84aae66d Fix instruction tracing performance 2023-09-02 13:55:26 +03:00
Pekka Enberg
37baae3ed7 Benchmark 2023-09-02 13:43:07 +03:00
Pekka Enberg
ae709f04fe Make some opcodes wait for completion 2023-09-02 13:26:44 +03:00
Pekka Enberg
3ec9c0be7c Implement ResultRow opcode 2023-09-02 11:40:11 +03:00
Pekka Enberg
6e748a066e Register allocation 2023-09-02 08:52:30 +03:00
Pekka Enberg
fa51955b43 VDBE improvements 2023-09-02 08:46:01 +03:00
Pekka Enberg
4c64590a5c Decouple Program and ProgramState 2023-09-02 08:18:05 +03:00
Pekka Enberg
14fb12ecdf Translate SQL SELECT column values 2023-09-01 21:26:12 +03:00
Pekka Enberg
591e8df377 Disable tracing by default 2023-09-01 19:49:54 +03:00
Pekka Enberg
4b714311b5 Improve Column instruction 2023-08-31 22:05:05 +03:00
Pekka Enberg
b25f8c4daf Implement Cursor::next() 2023-08-31 21:45:04 +03:00
Pekka Enberg
05621e3286 Cursors 2023-08-30 20:26:15 +03:00
Pekka Enberg
7c100ea217 Query sqlite_schema table 2023-08-29 19:46:07 +03:00
Pekka Enberg
b40438f778 Make EXPLAIN output more similar to SQLite 2023-08-27 21:21:42 +03:00
Pekka Enberg
9d7286bde0 Remove unused import 2023-08-27 21:19:43 +03:00
Pekka Enberg
6f1d03d64d Look up columns from table schema 2023-08-27 21:18:17 +03:00
Pekka Enberg
3b53f48400 Look up table root page from schema 2023-08-27 21:11:49 +03:00
Pekka Enberg
2615cdce2c Schema in-memory data structures 2023-08-27 20:40:35 +03:00
Pekka Enberg
fb72f9688b Initial commit 2023-08-27 09:59:12 +03:00