Databricks

noname123 · 03-14-2024

I do:df.write.format("delta").mode("append").partitionBy("timestamp").option("mergeSchema", "true").save(destination)If table doesn't exist, it creates new table with "minReaderVersion":3,"minWriterVersion":7.Yesterday it was creating table with "min...

noname123 · 03-25-2024

This is completely wrong. Answer looks like chat gpt generated. Chat gpt always provide answers with jdbc connector type. Author is asking about PostgreSQL connector which is better than jdbc.uuid(id) function don't accept arguments. You can do uuid(...

noname123 · 03-25-2024

Had same problem. You need to add option "stringtype": "unspecified".Example:df.write.format("postgresql").mode("overwrite").option("truncate", "true").option("stringtype", "unspecified").option("dbtable", table).option("host", host).option("database...

noname123 · 03-15-2024

Thanks for help.Issue was caused by "Auto-Enable Deletion Vectors" setting.

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Delta table version protocol

Re: column "id" is of type uuid but expression is of type character varying.

Re: column "id" is of type uuid but expression is of type character varying.

Re: Delta table version protocol