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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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cmilligan
by • Contributor II
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Undescriptive error when trying to insert overwrite into a table

I have a query that I'm trying to insert overwrite into a table. In an effort to try and speed up the query I added a range join hint. After adding it I started getting the error below.I can get around this though by creating a temporary view of the ...

Screenshot_20230118_104626
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jose_gonzalez
Databricks Employee
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Could you share your code and the full error stack trace please? Check the driver logs for the full stack trace.

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fuselessmatt
by • Contributor
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Omitting columns in an INSERT statement does not seem to work despite meeting the requirements

We want to use the INSERT INTO command with specific columns as specified in the official documentation. The only requirements for this are​️ Databricks SQL warehouse version 2022.35 or higher️ Databricks Runtime 11.2 and above​and the behaviour shou...

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Anonymous
Not applicable
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Hi @Fusselmanwog​ Thank you for posting your question in our community! We are happy to assist you.To help us provide you with the most accurate information, could you please take a moment to review the responses and select the one that best answers ...

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elgeo
by • Valued Contributor II
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Merge didn't fail while inserting wrong data type values

Hello. During some example cases we were running, in order to identify how Databricks treats possible wrong actions we could make, we noticed that merge doesn't fail while inserting different data type values from the ones in the corresponding table....

Target table schema merge_failure image merge_failure3
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elgeo
Valued Contributor II
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Hello. Any update on this please? Thank you in advance

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BorislavBlagoev
by • Valued Contributor III
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Resolved! Tring to create incremental pipeline but fails when I try to use outputMode "update"

def upsertToDelta(microBatchOutputDF, batchId): microBatchOutputDF.createOrReplaceTempView("updates")   microBatchOutputDF._jdf.sparkSession().sql(""" MERGE INTO old o USING updates u ON u.id = o.id WHEN MATCHED THEN UPDATE SE...

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Hubert-Dudek
Esteemed Contributor III
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Delta table/file version is too old. Please try to upgrade it as described here https://docs.microsoft.com/en-us/azure/databricks/delta/versioning​

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RobertWalsh
by • New Contributor II
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Dataframe Write Append to Parquet Table - Partition Issue

Hello, I am attempting to append new json files into an existing parquet table defined in Databricks. Using a dataset defined by this command (dataframe initially added to a temp table): val output = sql("select headers.event_name, to_date(from_unix...

0693f000007OoJYAA0 0693f000007OoJZAA0
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anil_s_langote
New Contributor II
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We came across similar situation we are using spark 1.6.1, we have a daily load process to pull data from oracle and write as parquet files, this works fine for 18 days of data (till 18th run), the problem comes after 19th run where the data frame l...

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