liukun4515 commented on code in PR #4261:
URL: https://github.com/apache/arrow-datafusion/pull/4261#discussion_r1025953414
##########
datafusion/common/src/cast.rs:
##########
@@ -116,3 +116,36 @@ pub fn as_string_array(array: &dyn Array) ->
Result<&StringArray, DataFusionErro
))
})
}
+
+// Downcast ArrayRef to UInt32Array
+pub fn as_uint32_array(array: &dyn Array) -> Result<&UInt32Array,
DataFusionError> {
+ array.as_any().downcast_ref::<UInt32Array>().ok_or_else(|| {
+ DataFusionError::Internal(format!(
+ "Expected a UInt32Array, got: {}",
+ array.data_type()
+ ))
+ })
+}
+
+// Downcast ArrayRef to UInt64Array
+pub fn as_uint64_array(array: &dyn Array) -> Result<&UInt64Array,
DataFusionError> {
+ array.as_any().downcast_ref::<UInt64Array>().ok_or_else(|| {
+ DataFusionError::Internal(format!(
+ "Expected a UInt64Array, got: {}",
+ array.data_type()
+ ))
+ })
+}
+
+// Downcast ArrayRef to BooleanArray
+pub fn as_boolean_array(array: &dyn Array) -> Result<&BooleanArray,
DataFusionError> {
+ array
+ .as_any()
+ .downcast_ref::<BooleanArray>()
+ .ok_or_else(|| {
+ DataFusionError::Internal(format!(
+ "Expected a BooleanArray, got: {}",
+ array.data_type()
+ ))
+ })
+}
Review Comment:
maybe we should revert all pr from this issue
https://github.com/apache/arrow-datafusion/issues/3152?
cc @alamb @andygrove
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