BryanCutler commented on issue #23575: [SPARK-26645][PYTHON] Support decimals with negative scale when parsing datatype URL: https://github.com/apache/spark/pull/23575#issuecomment-455257042 How about for `_parse_datatype_string`? It doesn't seem to work ```python In [15]: _parse_datatype_string("decimal(1, -1)") --------------------------------------------------------------------------- Py4JJavaError Traceback (most recent call last) ~/git/spark/python/pyspark/sql/utils.py in deco(*a, **kw) 62 try: ---> 63 return f(*a, **kw) 64 except py4j.protocol.Py4JJavaError as e: ~/git/spark/python/lib/py4j-0.10.8.1-src.zip/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name) 327 "An error occurred while calling {0}{1}{2}.\n". --> 328 format(target_id, ".", name), value) 329 else: Py4JJavaError: An error occurred while calling z:org.apache.spark.sql.api.python.PythonSQLUtils.parseDataType. : org.apache.spark.sql.catalyst.parser.ParseException: extraneous input '-' expecting INTEGER_VALUE(line 1, pos 11) == SQL == decimal(1, -1) -----------^^^ ```
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