Pyspark typeerror - TypeError: field Customer: Can not merge type <class 'pyspark.sql.types.StringType'> and <class 'pyspark.sql.types.DoubleType'> 0 PySpark MapType from column values to array of column name

 
You could also try: import pyspark from pyspark.sql import SparkSession sc = pyspark.SparkContext ('local [*]') spark = SparkSession.builder.getOrCreate () . . . spDF.createOrReplaceTempView ("space") spark.sql ("SELECT name FROM space").show () The top two lines are optional to someone to try this snippet in local machine. Share.. Sph

Dec 10, 2021 · *PySpark* TypeError: int() argument must be a string or a number, not 'Column' Hot Network Questions TypeError: StructType can not accept object '_id' in type <class 'str'> and this is how I resolved it. I am working with heavily nested json file for scheduling , json file is composed of list of dictionary of list etc.class PySparkValueError (PySparkException, ValueError): """ Wrapper class for ValueError to support error classes. """ class PySparkTypeError (PySparkException, TypeError): """ Wrapper class for TypeError to support error classes. """ class PySparkAttributeError (PySparkException, AttributeError): """ Wrapper class for AttributeError to support ... May 16, 2020 · unexpected type: <class 'pyspark.sql.types.DataTypeSingleton'> when casting to Int on a ApacheSpark Dataframe 4 PySpark: TypeError: StructType can not accept object 0.10000000000000001 in type <type 'numpy.float64'> The psdf.show() does not work although DataFrame looks to be created. I wonder what is the cause of this. The environment is Pyspark:3.2.1-hadoop3.2 Hadoop:3.2.1 JDK: 18.0.1.1 local The code is theTypeError: StructType can not accept object '' in type <class 'int'> pyspark schema Hot Network Questions add_post_meta when jQuery button is clickedAug 27, 2018 · The answer of @Tshilidzi Madau is correct - what you need to do is to add mleap-spark jar into your spark classpath. One option in pyspark is to set the spark.jars.packages config while creating the SparkSession: from pyspark.sql import SparkSession spark = SparkSession.builder \ .config ('spark.jars.packages', 'ml.combust.mleap:mleap-spark_2 ... Mar 13, 2020 · TypeError: StructType can not accept object '' in type <class 'int'> pyspark schema Hot Network Questions add_post_meta when jQuery button is clicked Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsAug 29, 2019 · from pyspark.sql.functions import col, trim, lower Alternatively, double-check whether the code really stops in the line you said, or check whether col, trim, lower are what you expect them to be by calling them like this: col should return. function pyspark.sql.functions._create_function.._(col) This question already has answers here : How to fix 'TypeError: an integer is required (got type bytes)' error when trying to run pyspark after installing spark 2.4.4 (8 answers) Closed 2 years ago. Created a conda environment: conda create -y -n py38 python=3.8 conda activate py38. Installed Spark from Pip: Edit: RESOLVED I think the problem is with the multi-dimensional arrays generated from Elmo inference. I averaged all the vectors and then used the final average vector for all words in the sentenc...Pyspark - TypeError: 'float' object is not subscriptable when calculating mean using reduceByKey. Ask Question Asked 5 years, 6 months ago. Modified 5 years, 6 months ...If you are using the RDD[Row].toDF() monkey-patched method you can increase the sample ratio to check more than 100 records when inferring types: # Set sampleRatio smaller as the data size increases my_df = my_rdd.toDF(sampleRatio=0.01) my_df.show()Jun 19, 2022 · When running PySpark 2.4.8 script in Python 3.8 environment with Anaconda, the following issue occurs: TypeError: an integer is required (got type bytes). The environment is created using the following code: Oct 9, 2020 · PySpark: TypeError: 'str' object is not callable in dataframe operations. 3. cannot resolve column due to data type mismatch PySpark. 0. I'm encountering Pyspark ... Jun 8, 2016 · 1 Answer. Sorted by: 5. Row is a subclass of tuple and tuples in Python are immutable hence don't support item assignment. If you want to replace an item stored in a tuple you have rebuild it from scratch: ## replace "" with placeholder of your choice tuple (x if x is not None else "" for x in row) If you want to simply concatenate flat schema ... I am trying to install Pyspark in Google Colab and I got the following error: TypeError: an integer is required (got type bytes) I tried using latest spark 3.3.1 and it did not resolve the problem.Pyspark - TypeError: 'float' object is not subscriptable when calculating mean using reduceByKey. Ask Question Asked 5 years, 6 months ago. Modified 5 years, 6 months ...Feb 17, 2020 at 17:29 2 Does this answer your question? How to fix 'TypeError: an integer is required (got type bytes)' error when trying to run pyspark after installing spark 2.4.4 – blackbishop Feb 17, 2020 at 17:56 1 @blackbishop, No unfortunately it doesn't since downgrading is not an options for my use case. – Dmitry DeryabinApr 17, 2016 · TypeError: StructType can not accept object '_id' in type <class 'str'> and this is how I resolved it. I am working with heavily nested json file for scheduling , json file is composed of list of dictionary of list etc. Mar 31, 2021 · TypeError: StructType can not accept object 'string indices must be integers' in type <class 'str'> I tried many posts on Stackoverflow, like Dealing with non-uniform JSON columns in spark dataframe Non of it worked. TypeError: 'JavaPackage' object is not callable on PySpark, AWS Glue 0 sc._jvm.org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper() TypeError: 'JavaPackage' object is not callable when usingclass PySparkValueError (PySparkException, ValueError): """ Wrapper class for ValueError to support error classes. """ class PySparkTypeError (PySparkException, TypeError): """ Wrapper class for TypeError to support error classes. """ class PySparkAttributeError (PySparkException, AttributeError): """ Wrapper class for AttributeError to support ... I built a fasttext classification model in order to do sentiment analysis for facebook comments (using pyspark 2.4.1 on windows). When I use the prediction model function to predict the class of a sentence, the result is a tuple with the form below:Can you try this and let me know the output : timeFmt = "yyyy-MM-dd'T'HH:mm:ss.SSS" df \ .filter((func.unix_timestamp('date_time', format=timeFmt) >= func.unix ...The transactions_df is the DF I am running my UDF on and inside the UDF I am referencing another DF to get values from based on some conditions. def convertRate(row): completed = row[&quot;Edit: RESOLVED I think the problem is with the multi-dimensional arrays generated from Elmo inference. I averaged all the vectors and then used the final average vector for all words in the sentenc...Jul 19, 2021 · TypeError: Object of type StructField is not JSON serializable. I am trying to consume a json data stream from an Azure Event Hub to be further processed for analysis via PySpark on Databricks. I am having trouble attempting to extract the json data into data frames in a notebook. I can successfully connect to the event hub and can see the data ... class PySparkValueError (PySparkException, ValueError): """ Wrapper class for ValueError to support error classes. """ class PySparkTypeError (PySparkException, TypeError): """ Wrapper class for TypeError to support error classes. """ class PySparkAttributeError (PySparkException, AttributeError): """ Wrapper class for AttributeError to support ... class PySparkValueError(PySparkException, ValueError): """ Wrapper class for ValueError to support error classes. """ class PySparkTypeError(PySparkException, TypeError): """ Wrapper class for TypeError to support error classes. """ class PySparkAttributeError(PySparkException, AttributeError): """ Wrapper class for AttributeError to support err...PySpark: Column Is Not Iterable Hot Network Questions Prepositions in Relative Clauses: Placement Rules and Exceptions (during which)If parents is indeed an array, and you can access the element at index 0, you have to modify your comparison to something like: df_categories.parents[0] == 0 or array_contains(df_categories.parents, 0) depending on the position of the element you want to check or if you just want to know whether the value is in the arraypyspark: TypeError: IntegerType can not accept object in type <type 'unicode'> while trying to create a dataframe based on Rows and a Schema, I noticed the following: With a Row inside my rdd called rrdRows looking as follows: Row(a="1", b="2", c=3) and my dfSchema defined as:Aug 29, 2016 · TypeError: 'JavaPackage' object is not callable on PySpark, AWS Glue 0 sc._jvm.org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper() TypeError: 'JavaPackage' object is not callable when using from pyspark.sql.functions import max as spark_max linesWithSparkGDF = linesWithSparkDF.groupBy(col("id")).agg(spark_max(col("cycle"))) Solution 3: use the PySpark create_map function Instead of using the map function, we can use the create_map function. The map function is a Python built-in function, not a PySpark function.You could also try: import pyspark from pyspark.sql import SparkSession sc = pyspark.SparkContext ('local [*]') spark = SparkSession.builder.getOrCreate () . . . spDF.createOrReplaceTempView ("space") spark.sql ("SELECT name FROM space").show () The top two lines are optional to someone to try this snippet in local machine. Share.Hopefully figured out the issue. There were multiple installations of python and they were scattered across the file system. Fix : 1. Removed all installations of python, java, apache-spark 2.1 Answer. You have to perform an aggregation on the GroupedData and collect the results before you can iterate over them e.g. count items per group: res = df.groupby (field).count ().collect () Thank you Bernhard for your comment. But actually I'm creating some index & returning it.TypeError: 'JavaPackage' object is not callable on PySpark, AWS Glue 0 sc._jvm.org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper() TypeError: 'JavaPackage' object is not callable when usingPySpark 2.4: TypeError: Column is not iterable (with F.col() usage) 9. PySpark error: AnalysisException: 'Cannot resolve column name. 0. I'm encountering Pyspark ...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsI am using PySpark to read a csv file. Below is my simple code. from pyspark.sql.session import SparkSession def predict_metrics(): session = SparkSession.builder.master('local').appName("The following gives me a TypeError: Column is not iterable exception: from pyspark.sql import functions as F df = spark_sesn.createDataFrame([Row(col0 = 10, c... def decorated_ (x): ... decorated = decorator (decorated_) So Pipeline.__init__ is actually a functools.wrapped wrapper which captures defined __init__ ( func argument of the keyword_only) as a part of its closure. When it is called, it uses received kwargs as a function attribute of itself.TypeError: 'JavaPackage' object is not callable | using java 11 for spark 3.3.0, sparknlp 4.0.1 and sparknlp jar from spark-nlp-m1_2.12 Ask Question Asked 1 year, 1 month agoIf you want to make it work despite that use list: df = sqlContext.createDataFrame ( [dict]) Share. Improve this answer. Follow. answered Jul 5, 2016 at 14:44. community wiki. user6022341. 1. Works with warning : UserWarning: inferring schema from dict is deprecated,please use pyspark.sql.Row instead.I am trying to filter the rows that have an specific date on a dataframe. they are in the form of month and day but I keep getting different errors. Not sure what is happening of how to solve it. T...The psdf.show() does not work although DataFrame looks to be created. I wonder what is the cause of this. The environment is Pyspark:3.2.1-hadoop3.2 Hadoop:3.2.1 JDK: 18.0.1.1 local The code is the1 Answer. In the document of createDataFrame you can see the data field must be: data: Union [pyspark.rdd.RDD [Any], Iterable [Any], ForwardRef ('PandasDataFrameLike')] Ah, I get it, to make this answer clearer. (1,) is a tuple, (1) is an integer. Hence it fulfills the iterable requirement.PySpark: Column Is Not Iterable Hot Network Questions Prepositions in Relative Clauses: Placement Rules and Exceptions (during which)Sep 6, 2022 · PySpark 2.4: TypeError: Column is not iterable (with F.col() usage) 9. PySpark error: AnalysisException: 'Cannot resolve column name. 0. I'm encountering Pyspark ... Mar 4, 2022 · PySpark error: TypeError: Invalid argument, not a string or column. Hot Network Questions Is a garlic bulb which is coloured brown on the outside safe to eat? ... May 22, 2020 · 1 Answer. Sorted by: 2. You can use sql expr using F.expr. from pyspark.sql import functions as F condition = "type_txt = 'clinic'" input_df1 = input_df.withColumn ( "prm_data_category", F.when (F.expr (condition), F.lit ("clinic")) .when (F.col ("type_txt") == 'office', F.lit ("office")) .otherwise (F.lit ("other")), ) Share. Follow. Jul 10, 2019 · I built a fasttext classification model in order to do sentiment analysis for facebook comments (using pyspark 2.4.1 on windows). When I use the prediction model function to predict the class of a sentence, the result is a tuple with the form below: Jun 29, 2021 · It returns "TypeError: StructType can not accept object 60651 in type <class 'int'>". Here you can see better: # Create a schema for the dataframe schema = StructType ( [StructField ('zipcd', IntegerType (), True)] ) # Convert list to RDD rdd = sc.parallelize (zip_cd) #solution: close within []. Another problem for the solution, if I do that ... Aug 29, 2016 · TypeError: 'JavaPackage' object is not callable on PySpark, AWS Glue 0 sc._jvm.org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper() TypeError: 'JavaPackage' object is not callable when using 1. The Possible Issues faced when running Spark on Windows is, of not giving proper Path or by using Python 3.x to run Spark. So, Do check Path Given for spark i.e /usr/local/spark Proper or Not. Do set Python Path to Python 2.x (remove Python 3.x). Share. Improve this answer. Follow. edited Aug 3, 2017 at 9:25.Sep 23, 2021 · pyspark: TypeError: IntegerType can not accept object in type <type 'unicode'> 3 Getting int() argument must be a string or a number, not 'Column'- Apache Spark The Jars for geoSpark are not correctly registered with your Spark Session. There's a few ways around this ranging from a tad inconvenient to pretty seamless. For example, if when you call spark-submit you specify: --jars jar1.jar,jar2.jar,jar3.jar. then the problem will go away, you can also provide a similar command to pyspark if that's your ...Jul 10, 2019 · I built a fasttext classification model in order to do sentiment analysis for facebook comments (using pyspark 2.4.1 on windows). When I use the prediction model function to predict the class of a sentence, the result is a tuple with the form below: TypeError: field Customer: Can not merge type <class 'pyspark.sql.types.StringType'> and <class 'pyspark.sql.types.DoubleType'> 0 PySpark MapType from column values to array of column nameIn Spark < 2.4 you can use an user defined function:. from pyspark.sql.functions import udf from pyspark.sql.types import ArrayType, DataType, StringType def transform(f, t=StringType()): if not isinstance(t, DataType): raise TypeError("Invalid type {}".format(type(t))) @udf(ArrayType(t)) def _(xs): if xs is not None: return [f(x) for x in xs] return _ foo_udf = transform(str.upper) df ... unexpected type: <class 'pyspark.sql.types.DataTypeSingleton'> when casting to Int on a ApacheSpark Dataframe 4 PySpark: TypeError: StructType can not accept object 0.10000000000000001 in type <type 'numpy.float64'>from pyspark.sql.functions import max as spark_max linesWithSparkGDF = linesWithSparkDF.groupBy(col("id")).agg(spark_max(col("cycle"))) Solution 3: use the PySpark create_map function Instead of using the map function, we can use the create_map function. The map function is a Python built-in function, not a PySpark function.If you are using the RDD[Row].toDF() monkey-patched method you can increase the sample ratio to check more than 100 records when inferring types: # Set sampleRatio smaller as the data size increases my_df = my_rdd.toDF(sampleRatio=0.01) my_df.show()In Spark < 2.4 you can use an user defined function:. from pyspark.sql.functions import udf from pyspark.sql.types import ArrayType, DataType, StringType def transform(f, t=StringType()): if not isinstance(t, DataType): raise TypeError("Invalid type {}".format(type(t))) @udf(ArrayType(t)) def _(xs): if xs is not None: return [f(x) for x in xs] return _ foo_udf = transform(str.upper) df ...Jun 6, 2022 · (a) Confuses NoneType and None (b) thinks that NameError: name 'NoneType' is not defined and TypeError: cannot concatenate 'str' and 'NoneType' objects are the same as TypeError: 'NoneType' object is not iterable (c) comparison between Python and java is "a bunch of unrelated nonsense" – PySpark error: TypeError: Invalid argument, not a string or column. 0. TypeError: udf() missing 1 required positional argument: 'f' 2. unable to call pyspark udf ...Solution for TypeError: Column is not iterable. PySpark add_months () function takes the first argument as a column and the second argument is a literal value. if you try to use Column type for the second argument you get “TypeError: Column is not iterable”. In order to fix this use expr () function as shown below.Aug 8, 2016 · So you could manually convert the numpy.float64 to float like. df = sqlContext.createDataFrame ( [ (float (tup [0]), float (tup [1]) for tup in preds_labels], ["prediction", "label"] ) Note pyspark will then take them as pyspark.sql.types.DoubleType. This is true for string as well. So if you created your list strings using numpy , try to ... Jul 10, 2019 · I built a fasttext classification model in order to do sentiment analysis for facebook comments (using pyspark 2.4.1 on windows). When I use the prediction model function to predict the class of a sentence, the result is a tuple with the form below: from pyspark.sql.functions import max as spark_max linesWithSparkGDF = linesWithSparkDF.groupBy(col("id")).agg(spark_max(col("cycle"))) Solution 3: use the PySpark create_map function Instead of using the map function, we can use the create_map function. The map function is a Python built-in function, not a PySpark function.will cause TypeError: create_properties_frame() takes 2 positional arguments but 3 were given, because the kw_gsp dictionary is treated as a positional argument instead of being unpacked into separate keyword arguments. The solution is to add ** to the argument: self.create_properties_frame(frame, **kw_gsp)Dec 9, 2022 · I am trying to install Pyspark in Google Colab and I got the following error: TypeError: an integer is required (got type bytes) I tried using latest spark 3.3.1 and it did not resolve the problem. Pyspark - How do you split a column with Struct Values of type Datetime? 1 Converting a date/time column from binary data type to the date/time data type using PySparkMay 20, 2019 · This is where I am running into TypeError: TimestampType can not accept object '2019-05-20 12:03:00' in type <class 'str'> or TypeError: TimestampType can not accept object 1558353780000000000 in type <class 'int'>. I have tried converting the column to different date formats in python, before defining the schema but can seem to get the import ... Next thing I need to do is derive the year from "REPORT_TIMESTAMP". I have tried various approaches, for instance: jsonDf.withColumn ("YEAR", datetime.fromtimestamp (to_timestamp (jsonDF.reportData.timestamp).cast ("integer")) that ended with "TypeError: an integer is required (got type Column) I also tried:I built a fasttext classification model in order to do sentiment analysis for facebook comments (using pyspark 2.4.1 on windows). When I use the prediction model function to predict the class of a sentence, the result is a tuple with the form below:1. Change DataType using PySpark withColumn () By using PySpark withColumn () on a DataFrame, we can cast or change the data type of a column. In order to change data type, you would also need to use cast () function along with withColumn (). The below statement changes the datatype from String to Integer for the salary column.1 Answer. Sorted by: 3. When you need to run functions as AGGREGATE or REDUCE (both are aliases), the first parameter is an array value and the second parameter you must define what are your default values and types. You can write 1.0 (Decimal, Double or Float), 0 (Boolean, Byte, Short, Integer or Long) but this leaves Spark the responsibility ...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams1 Answer. Sorted by: 3. When you need to run functions as AGGREGATE or REDUCE (both are aliases), the first parameter is an array value and the second parameter you must define what are your default values and types. You can write 1.0 (Decimal, Double or Float), 0 (Boolean, Byte, Short, Integer or Long) but this leaves Spark the responsibility ...The psdf.show() does not work although DataFrame looks to be created. I wonder what is the cause of this. The environment is Pyspark:3.2.1-hadoop3.2 Hadoop:3.2.1 JDK: 18.0.1.1 local The code is theMay 16, 2020 · unexpected type: <class 'pyspark.sql.types.DataTypeSingleton'> when casting to Int on a ApacheSpark Dataframe 4 PySpark: TypeError: StructType can not accept object 0.10000000000000001 in type <type 'numpy.float64'> PySpark: TypeError: 'str' object is not callable in dataframe operations. 1 *PySpark* TypeError: int() argument must be a string or a number, not 'Column' 3.PySpark error: TypeError: Invalid argument, not a string or column. 0. TypeError: udf() missing 1 required positional argument: 'f' 2. unable to call pyspark udf ...Nov 23, 2021 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Jun 8, 2016 · 1 Answer. Sorted by: 5. Row is a subclass of tuple and tuples in Python are immutable hence don't support item assignment. If you want to replace an item stored in a tuple you have rebuild it from scratch: ## replace "" with placeholder of your choice tuple (x if x is not None else "" for x in row) If you want to simply concatenate flat schema ... I am performing outlier detection in my pyspark dataframe. For that I am using an custom outlier function from here def find_outliers(df): # Identifying the numerical columns in a spark datafr...

from pyspark.sql import SparkSession spark = SparkSession.builder.getOrCreate () # ... here you get your DF # Assuming the first column of your DF is the JSON to parse my_df = spark.read.json (my_df.rdd.map (lambda x: x [0])) Note that it won't keep any other column present in your dataset.. Taliercio

pyspark typeerror

Aug 27, 2018 · The answer of @Tshilidzi Madau is correct - what you need to do is to add mleap-spark jar into your spark classpath. One option in pyspark is to set the spark.jars.packages config while creating the SparkSession: from pyspark.sql import SparkSession spark = SparkSession.builder \ .config ('spark.jars.packages', 'ml.combust.mleap:mleap-spark_2 ... TypeError: field date: DateType can not accept object '2019-12-01' in type <class 'str'> I tried to convert stringType to DateType using to_date plus some other ways but not able to do so. Please adviseTypeError: StructType can not accept object '' in type <class 'int'> pyspark schema Hot Network Questions add_post_meta when jQuery button is clickedMay 22, 2020 · 1 Answer. Sorted by: 2. You can use sql expr using F.expr. from pyspark.sql import functions as F condition = "type_txt = 'clinic'" input_df1 = input_df.withColumn ( "prm_data_category", F.when (F.expr (condition), F.lit ("clinic")) .when (F.col ("type_txt") == 'office', F.lit ("office")) .otherwise (F.lit ("other")), ) Share. Follow. Reading between the lines. You are. reading data from a CSV file. and get . TypeError: StructType can not accept object in type <type 'unicode'> This happens because you pass a string not an object compatible with struct.will cause TypeError: create_properties_frame() takes 2 positional arguments but 3 were given, because the kw_gsp dictionary is treated as a positional argument instead of being unpacked into separate keyword arguments. The solution is to add ** to the argument: self.create_properties_frame(frame, **kw_gsp) TypeError: unsupported operand type (s) for +: 'int' and 'str' Now, this does not make sense to me, since I see the types are fine for aggregation in printSchema () as you can see above. So, I tried converting it to integer just incase: mydf_converted = mydf.withColumn ("converted",mydf ["bytes_out"].cast (IntegerType ()).alias ("bytes_converted"))The Jars for geoSpark are not correctly registered with your Spark Session. There's a few ways around this ranging from a tad inconvenient to pretty seamless. For example, if when you call spark-submit you specify: --jars jar1.jar,jar2.jar,jar3.jar. then the problem will go away, you can also provide a similar command to pyspark if that's your ... I am working on this PySpark project, and when I am trying to calculate something, I get the following error: TypeError: int() argument must be a string or a number, not 'Column' I tried followin...PySpark: TypeError: 'str' object is not callable in dataframe operations. 3. cannot resolve column due to data type mismatch PySpark. 0. I'm encountering Pyspark ...PySpark 2.4: TypeError: Column is not iterable (with F.col() usage) 9. PySpark error: AnalysisException: 'Cannot resolve column name. 0. I'm encountering Pyspark ...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams from pyspark.sql.functions import max as spark_max linesWithSparkGDF = linesWithSparkDF.groupBy(col("id")).agg(spark_max(col("cycle"))) Solution 3: use the PySpark create_map function Instead of using the map function, we can use the create_map function. The map function is a Python built-in function, not a PySpark function.PySpark error: TypeError: Invalid argument, not a string or column. Hot Network Questions Is a garlic bulb which is coloured brown on the outside safe to eat? ...In Spark < 2.4 you can use an user defined function:. from pyspark.sql.functions import udf from pyspark.sql.types import ArrayType, DataType, StringType def transform(f, t=StringType()): if not isinstance(t, DataType): raise TypeError("Invalid type {}".format(type(t))) @udf(ArrayType(t)) def _(xs): if xs is not None: return [f(x) for x in xs] return _ foo_udf = transform(str.upper) df ...If a field only has None records, PySpark can not infer the type and will raise that error. Manually defining a schema will resolve the issue >>> from pyspark.sql.types import StructType, StructField, StringType >>> schema = StructType([StructField("foo", StringType(), True)]) >>> df = spark.createDataFrame([[None]], schema=schema) >>> df.show ... .

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