(arrow-rs) branch master updated: Expose boolean builder contents (#5760)

[tu...@apache.org]

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tustvold pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/arrow-rs.git


The following commit(s) were added to refs/heads/master by this push:
     new 78bda14f4ca Expose boolean builder contents (#5760)
78bda14f4ca is described below

commit 78bda14f4ca93e85db6a4302c1a0d265f6d5e40c
Author: Hadrien G <kn...@gmx.com>
AuthorDate: Tue May 14 10:28:01 2024 +0200

    Expose boolean builder contents (#5760)
    
    * Expose boolean builder contents
    
    * Suggest using arrow-provided utility for boolean unpacking
---
 arrow-array/src/builder/boolean_builder.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arrow-array/src/builder/boolean_builder.rs b/arrow-array/src/builder/boolean_builder.rs
index a4bda89d52e..3a2caf80cff 100644
--- a/arrow-array/src/builder/boolean_builder.rs
+++ b/arrow-array/src/builder/boolean_builder.rs
@@ -166,6 +166,14 @@ impl BooleanBuilder {
         BooleanArray::from(array_data)
     }
 
+    /// Returns the current values buffer as a slice
+    ///
+    /// Boolean values are bit-packed into bytes. To extract the i-th boolean
+    /// from the bytes, you can use `arrow_buffer::bit_util::get_bit()`.
+    pub fn values_slice(&self) -> &[u8] {
+        self.values_builder.as_slice()
+    }
+
     /// Returns the current null buffer as a slice
     pub fn validity_slice(&self) -> Option<&[u8]> {
         self.null_buffer_builder.as_slice()