feat: Make JsonbItemType public so users can compare (#94)

Signed-off-by: Xuanwo <[email protected]>

Author: Xuanwo

src/core/databend/util.rs

@@ -68,7 +68,7 @@ impl<'a> JsonbItem<'a> {
 }
 
 impl<'a> RawJsonb<'a> {
-    pub(crate) fn jsonb_item_type(&self) -> Result<JsonbItemType> {
+    pub fn jsonb_item_type(&self) -> Result<JsonbItemType> {
         let mut index = 0;
         let (header_type, header_len) = self.read_header(index)?;
         index += 4;

src/core/item.rs

@@ -23,7 +23,7 @@ use crate::RawJsonb;
 
 /// The value type of JSONB data.
 #[derive(Debug, Clone, Copy)]
-pub(crate) enum JsonbItemType {
+pub enum JsonbItemType {
     /// The Null JSONB type.
     Null,
     /// The Boolean JSONB type.