Struct SqliteHeader 

pub struct SqliteHeader {
    pub page_size: u32,
    pub db_size_pages: u32,
    pub first_freelist_page: u32,
    pub freelist_page_count: u32,
    pub schema_version: u32,
    pub schema_format: u8,
    pub default_cache_size: i32,
    pub text_encoding: TextEncoding,
    pub user_version: u32,
    pub application_id: u32,
}

Parsed 100-byte SQLite file header.

Fields

page_size: u32

Actual page size in bytes (raw value 1 maps to 65536).

db_size_pages: u32

Database size in pages (may be 0 for older files; use SqliteReader::page_count).

first_freelist_page: u32

Page number of the first trunk page of the freelist (0 if no freelist).

freelist_page_count: u32

Total number of free pages in the freelist.

schema_version: u32

Schema cookie (incremented on each schema change).

schema_format: u8

Schema format number (1–4).

default_cache_size: i32

Suggested default cache size in pages (signed).

text_encoding: TextEncoding

Text encoding used by the database.

user_version: u32

User-defined version number (offset 60).

application_id: u32

Application ID written by PRAGMA application_id (offset 68). Value 0x47504B47 (“GPKG”) identifies a GeoPackage file.

Implementations

impl SqliteHeader

pub fn is_geopackage(&self) -> bool

Returns true if the application_id marks this as a GeoPackage.

Trait Implementations

impl Clone for SqliteHeader

fn clone(&self) -> SqliteHeader

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SqliteHeader

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.