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Delete unused stuff

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This commit is contained in:
Jussi Saurio
2025-06-18 09:18:25 +03:00
committed by Diego Reis
parent 6091d5abd7
commit ba3bfa058d
2 changed files with 0 additions and 55 deletions
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1
core/storage/pager.rs
View File

@@ -1,4 +1,3 @@
use crate::fast_lock::SpinLock;
use crate::result::LimboResult;
use crate::storage::btree::BTreePageInner;
use crate::storage::buffer_pool::BufferPool;

54
core/storage/sqlite3_ondisk.rs
View File

@@ -287,60 +287,6 @@ impl DatabaseHeader {
}
}
pub fn begin_read_database_header(
db_file: Arc<dyn DatabaseStorage>,
) -> Result<Arc<SpinLock<DatabaseHeader>>> {
let drop_fn = Rc::new(|_buf| {});
#[allow(clippy::arc_with_non_send_sync)]
let buf = Arc::new(RefCell::new(Buffer::allocate(512, drop_fn)));
let result = Arc::new(SpinLock::new(DatabaseHeader::default()));
let header = result.clone();
let complete = Box::new(move |buf: Arc<RefCell<Buffer>>| {
let header = header.clone();
finish_read_database_header(buf, header).unwrap();
});
let c = Completion::Read(ReadCompletion::new(buf, complete));
#[allow(clippy::arc_with_non_send_sync)]
db_file.read_page(DATABASE_HEADER_PAGE_ID, Arc::new(c))?;
Ok(result)
}
fn finish_read_database_header(
buf: Arc<RefCell<Buffer>>,
header: Arc<SpinLock<DatabaseHeader>>,
) -> Result<()> {
let buf = buf.borrow();
let buf = buf.as_slice();
let mut header = header.lock();
header.magic.copy_from_slice(&buf[0..16]);
header.page_size = u16::from_be_bytes([buf[16], buf[17]]);
header.write_version = buf[18];
header.read_version = buf[19];
header.reserved_space = buf[20];
header.max_embed_frac = buf[21];
header.min_embed_frac = buf[22];
header.min_leaf_frac = buf[23];
header.change_counter = u32::from_be_bytes([buf[24], buf[25], buf[26], buf[27]]);
header.database_size = u32::from_be_bytes([buf[28], buf[29], buf[30], buf[31]]);
header.freelist_trunk_page = u32::from_be_bytes([buf[32], buf[33], buf[34], buf[35]]);
header.freelist_pages = u32::from_be_bytes([buf[36], buf[37], buf[38], buf[39]]);
header.schema_cookie = u32::from_be_bytes([buf[40], buf[41], buf[42], buf[43]]);
header.schema_format = u32::from_be_bytes([buf[44], buf[45], buf[46], buf[47]]);
header.default_page_cache_size = i32::from_be_bytes([buf[48], buf[49], buf[50], buf[51]]);
if header.default_page_cache_size == 0 {
header.default_page_cache_size = DEFAULT_CACHE_SIZE;
}
header.vacuum_mode_largest_root_page = u32::from_be_bytes([buf[52], buf[53], buf[54], buf[55]]);
header.text_encoding = u32::from_be_bytes([buf[56], buf[57], buf[58], buf[59]]);
header.user_version = i32::from_be_bytes([buf[60], buf[61], buf[62], buf[63]]);
header.incremental_vacuum_enabled = u32::from_be_bytes([buf[64], buf[65], buf[66], buf[67]]);
header.application_id = u32::from_be_bytes([buf[68], buf[69], buf[70], buf[71]]);
header.reserved_for_expansion.copy_from_slice(&buf[72..92]);
header.version_valid_for = u32::from_be_bytes([buf[92], buf[93], buf[94], buf[95]]);
header.version_number = u32::from_be_bytes([buf[96], buf[97], buf[98], buf[99]]);
Ok(())
}
pub fn write_header_to_buf(buf: &mut [u8], header: &DatabaseHeader) {
buf[0..16].copy_from_slice(&header.magic);
buf[16..18].copy_from_slice(&header.page_size.to_be_bytes());