rok commented on code in PR #44070:
URL: https://github.com/apache/arrow/pull/44070#discussion_r1800156152
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python/pyarrow/types.pxi:
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@@ -1812,6 +1812,43 @@ cdef class ExtensionType(BaseExtensionType):
return ExtensionScalar
+cdef class JsonType(BaseExtensionType):
+ """
+ Concrete class for JSON extension type.
+
+ Examples
+ --------
+ Define the extension type for JSON array
+
+ >>> import pyarrow as pa
+ >>> json_type = pa.json_(pa.large_utf8())
+
+ Create an extension array
+
+ >>> arr = [None, '{ "id":30, "values":["a", "b"] }']
+ >>> storage = pa.array(arr, pa.large_utf8())
Review Comment:
That would be a nice feature. https://github.com/apache/arrow/issues/44406
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python/pyarrow/types.pxi:
##########
@@ -5296,6 +5333,45 @@ def run_end_encoded(run_end_type, value_type):
return pyarrow_wrap_data_type(ree_type)
+def json_(DataType storage_type=utf8()):
+ """
+ Create instance of JSON extension type.
+
+ Parameters
+ ----------
+ storage_type : DataType, default pyarrow.string()
+ The underlying data type. Can be on of the following types:
+ string, large_string, string_view.
+
Review Comment:
Removed.
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