reduce visibility more

Author: EmilyMatt

native/core/src/execution/shuffle/spark_unsafe/list.rs

@@ -70,7 +70,7 @@ impl SparkUnsafeArray {
         }
     }
 
-    pub fn get_num_elements(&self) -> usize {
+    pub(crate) fn get_num_elements(&self) -> usize {
         self.num_elements
     }
 
@@ -82,7 +82,7 @@ impl SparkUnsafeArray {
 
     /// Returns true if the null bit at the given index of the array is set.
     #[inline]
-    pub fn is_null_at(&self, index: usize) -> bool {
+    pub(crate) fn is_null_at(&self, index: usize) -> bool {
         unsafe {
             let mask: i64 = 1i64 << (index & 0x3f);
             let word_offset = (self.row_addr + 8 + (((index >> 6) as i64) << 3)) as *const i64;

native/core/src/execution/shuffle/spark_unsafe/map.rs

@@ -23,13 +23,13 @@ use arrow::array::builder::{ArrayBuilder, MapBuilder, MapFieldNames};
 use arrow::datatypes::{DataType, FieldRef};
 
 pub struct SparkUnsafeMap {
-    pub keys: SparkUnsafeArray,
-    pub values: SparkUnsafeArray,
+    pub(crate) keys: SparkUnsafeArray,
+    pub(crate) values: SparkUnsafeArray,
 }
 
 impl SparkUnsafeMap {
     /// Creates a `SparkUnsafeMap` which points to the given address and size in bytes.
-    pub fn new(addr: i64, size: i32) -> Self {
+    pub(crate) fn new(addr: i64, size: i32) -> Self {
         // Read the number of bytes of key array from the first 8 bytes.
         let slice: &[u8] = unsafe { std::slice::from_raw_parts(addr as *const u8, 8) };
         let key_array_size = i64::from_le_bytes(slice.try_into().unwrap());

native/core/src/execution/shuffle/spark_unsafe/row.rs

@@ -256,7 +256,7 @@ impl SparkUnsafeRow {
 
     /// Returns true if the null bit at the given index of the row is set.
     #[inline]
-    pub fn is_null_at(&self, index: usize) -> bool {
+    pub(crate) fn is_null_at(&self, index: usize) -> bool {
         unsafe {
             let mask: i64 = 1i64 << (index & 0x3f);
             let word_offset = (self.row_addr + (((index >> 6) as i64) << 3)) as *const i64;