Update to fix precision on float32 arrays.

apache · Nov 18, 2019 · 42210fc · 42210fc
1 parent bb9f3b9
commit 42210fc
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/rust/arrow/src/datatypes.rs b/rust/arrow/src/datatypes.rs
@@ -184,7 +184,7 @@ impl ArrowNativeType for u64 {
 
 impl ArrowNativeType for f32 {
     fn into_json_value(self) -> Option<Value> {
-        Number::from_f64(self as f64).map(|num| VNumber(num))
+        Number::from_f64(f64::round(self as f64 * 1000.0) / 1000.0).map(|num| VNumber(num))
     }
 }
 

diff --git a/rust/arrow/src/util/integration_util.rs b/rust/arrow/src/util/integration_util.rs
@@ -95,7 +95,7 @@ impl ArrowJsonSchema {
 }
 
 impl ArrowJsonBatch {
-    /// Comapre the Arrow JSON record batch with a `RecordBatch`
+    /// Compare the Arrow JSON record batch with a `RecordBatch`
     fn equals_batch(&self, batch: &RecordBatch) -> bool {
         if self.count != batch.num_rows() {
             return false;