Get certified for free when you join Fabric Data Days 2026 and dive into Fabric, Power BI, SQL, AI, and other essential data skills.
Join nowTry your skills in the Power BI Dataviz World Championship! Round one ends June 26. Join now
Hi everyone,
We are working on Fabric Preview and today we are trying to import data from DataFrame in NoteBook (PySpark) into a Table in Lakehouse.
Here is the code we have used:
table_name = "dds_estimated"
spark_df.write.mode("overwrite").format("delta").option("mergeSchema", "true").save(f"Tables/{table_name}")
print(f"Done loading {table_name}")
Then we encountered a problem in the table format and were asked to use the following command to edit the table properties:
spark.sql(f'''
ALTER TABLE dds_estimated SET TBLPROPERTIES (
'delta.columnMapping.mode' = 'name',
'delta.minReaderVersion' = '2',
'delta.minWriterVersion' = '5'
)
''')
Overall, we can run the notebook done but nothing import to our table, it's still blank and have a notice:
Table uses column mapping which is not supported.
What should we do to import DataFrame to Table in Lakehouse?
Don't miss out on Data Days, June 15 through August 7. Learn Fabric, Power BI, SQL, AI and more.
Check out the May 2026 Power BI update to learn about new features.
| User | Count |
|---|---|
| 17 | |
| 11 | |
| 11 | |
| 8 | |
| 7 |
| User | Count |
|---|---|
| 40 | |
| 36 | |
| 35 | |
| 35 | |
| 20 |