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Add a method that can help while debugging freelist blocks

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krishvishal 2025-03-09 18:47:37 +05:30
parent d8210d79aa
commit a1a63f621e
1 changed files with 19 additions and 0 deletions
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19
core/storage/sqlite3_ondisk.rs
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@ -674,6 +674,25 @@ impl PageContent {
let buf = self.as_ptr();
write_header_to_buf(buf, header);
}
pub fn debug_print_freelist(&self, usable_space: u16) {
let mut pc = self.first_freeblock() as usize;
let mut block_num = 0;
println!("---- Free List Blocks ----");
println!("first freeblock pointer: {}", pc);
println!("cell content area: {}", self.cell_content_area());
println!("fragmented bytes: {}", self.num_frag_free_bytes());
while pc != 0 && pc <= usable_space as usize {
let next = self.read_u16_no_offset(pc);
let size = self.read_u16_no_offset(pc + 2);
println!("block {}: position={}, size={}, next={}", block_num, pc, size, next);
pc = next as usize;
block_num += 1;
}
println!("--------------");
}
}
pub fn begin_read_page(