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Anonymous's avatar
Anonymous
Not applicable
2 years ago
Solved

Mismatched minReaderVersion and readerFeatures

1. I used csv file to create table `bot` in lakehouse, it had 3 rows in the begining. 2. I created a notebook to get the latest id in table `bot`, the code is as below:         # Welcome to yo...
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  • govindarajan_d's avatar
    govindarajan_d
    2 years ago

    Hi Anonymous ,

    You can take a backup of the table and try to alter the property by running the SQL command below in Spark notebook:

    ALTER TABLE <table-identifier> SET TBLPROPERTIES('delta.minReaderVersion' = '1', 'delta.minWriterVersion' = '3')
    This might help to fix the issue. 
     
    But as you said, this looks like a bug since it had been working in previous executions. 
scca's avatar
scca
Icon for Advocate III rankAdvocate III
2 years ago

I'm getting the same error. Weird thing is, I'm running the same notebook concurrently going through different tables in the same manner and the rest succeeds with no issues except for one and it even occurs during manual runs...