root page is u32

src/record.rs

@@ -62,12 +62,13 @@ impl<'a> ColumnValue<'a> {
         }
     }
 
-    pub fn read_u8(&self) -> u8 {
-        if let ColumnValue::U8(v) = self {
-            *v
-        } else {
-            println!("{:?}", self);
-            unreachable!()
+    pub fn read_u32(&self) -> u32 {
+        match self {
+            ColumnValue::U8(v) => *v as u32,
+            ColumnValue::U16(v) => *v as u32,
+            ColumnValue::U24(v) => *v as u32,
+            ColumnValue::U32(v) => *v as u32,
+            _ => unreachable!(),
         }
     }
 

src/schema.rs

@@ -5,7 +5,7 @@ pub struct Schema {
     pub kind: String,
     pub name: String,
     pub table_name: String,
-    pub root_page: u8,
+    pub root_page: u32,
     pub sql: String,
 }
 
@@ -16,7 +16,7 @@ impl Schema {
         let kind = items.next()?.to_string();
         let name = items.next()?.to_string();
         let table_name = items.next()?.to_string();
-        let root_page = items.next()?.read_u8();
+        let root_page = items.next()?.read_u32();
         let sql = items.next()?.to_string();
 
         let schema = Self {