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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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Forum Posts

andre_rizzatti
by New Contributor II
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  • 3 replies
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Ingest __databricks_internal catalog - PERMISSION DENIED

Good morning, I have a DLT process with CDC incremental load and I need to ingest the history as CDC transactions are only recent. To do this I need to ingest data in the __databricks_internal catalog. In my case, as I am full admin, I can do it, how...

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Latest Reply
andre_rizzatti
New Contributor II
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The tables do not have specific configuration, and the user who is receiving the error is in a group that has full permission in the INTERNAL catalog

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amde99
by New Contributor
  • 1301 Views
  • 2 replies
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How can I throw an exception when a .json.gz file has multiple roots?

I have a situation where source files in .json.gz sometimes arrive with invalid syntax containing multiple roots separated by empty braces []. How can I detect this and thrown an exception? Currently the code runs and picks up only record set 1, and ...

  • 1301 Views
  • 2 replies
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Lakshay
Databricks Employee
  • 0 kudos

Schema validation should help here.

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HaripriyaP
by New Contributor II
  • 1177 Views
  • 1 replies
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Multiple Tables Migration from one workspace to another.

Hi all!I need to copy multiple tables from one workspace to another with metadata information. Is there any way to do it?Please reply as soon as possible.

  • 1177 Views
  • 1 replies
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Latest Reply
shan_chandra
Databricks Employee
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@HaripriyaP - Depends on your use case, Either of the below approach can be chosen. 1)  DELTA CLONE(DEEP CLONE) to clone them to the new workspace. 2) Have the same cluster policy/Instance profile of the old workspace to access them in the new worksp...

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bozhu
by Contributor
  • 2435 Views
  • 3 replies
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Delta Live Tables Materialised View Column Comment Error

While materialised view doc says MVs support columns comments, this does not seem like the case for MVs created by DLT. For example, when trying to add a comment to a MV created by DLT, it errors:Any ideas on when this will be fixed/supported?

bozhu_0-1692702233893.png
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bozhu
Contributor
  • 0 kudos

Just to close the loop here that it seems DLT generated MVs now support column comments.

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toolhater
by New Contributor II
  • 931 Views
  • 1 replies
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Installing dlt causing error

I'm trying to use the example in big book of engineering 2nd edition-final.pdf and I had an issue with the statementimport dltSo I created another cell and installed it and I noticed I was getting this error:"dataclass_transform() got an unexpected k...

  • 931 Views
  • 1 replies
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jose_gonzalez
Databricks Employee
  • 0 kudos

could you get the full error stack trace please

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carlosancassani
by New Contributor III
  • 2405 Views
  • 1 replies
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Update DeltaTable on column type ArrayType(): add element to array

Hi all,I need to perform an Update on a Delta Table adding elements to a column of ArrayType(StringType()) which is initialized empty.Before UpdateCol_1 StringType()Col_2 StringType()Col_3 ArrayType()ValVal[ ]After UpdateCol_1 StringType()Col_2 Strin...

Data Engineering
deltatable
Update
  • 2405 Views
  • 1 replies
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yogu
by Honored Contributor III
  • 4921 Views
  • 8 replies
  • 73 kudos

Trying to claim reward points but its not reflecting my points

Hi Team,Can anyone help me why my reward point still showing 0 balance. My databricks community points is not reflecting on reward claim portal.i was login first time . Also I was wait for 3 business days but its still not reflecting

image
  • 4921 Views
  • 8 replies
  • 73 kudos
Latest Reply
Kaizen
Valued Contributor
  • 73 kudos

Can you also share the link for the reward points redemption?

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7 More Replies
cszczotka
by New Contributor III
  • 1434 Views
  • 0 replies
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Ephemeral storage how to create/mount.

Hi,I'm looking for information how to create/mount ephemeral storage to Databricks driver node in Azure Cloud.  Does anyone have any experience working with ephemeral storage?Thanks,

  • 1434 Views
  • 0 replies
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174817
by New Contributor III
  • 2150 Views
  • 2 replies
  • 3 kudos

DataBricks Rust client and/or OpenAPI spec

Hi,I'm looking for a DataBricks client for Rust.  I could only find these SDK implementations.Alternatively, I would be very happy with the OpenAPI spec.  Clearly one exists: the Go SDK implementation contains code to generate itself from such a spec...

Data Engineering
openapi
rust
sdk
unity
  • 2150 Views
  • 2 replies
  • 3 kudos
Latest Reply
feiyun0112
Honored Contributor
  • 3 kudos

Databricks REST API referenceThis reference contains information about the Databricks application programming interfaces (APIs). Each API reference page is presented primarily from a representational state transfer (REST) perspective. Databricks REST...

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1 More Replies
RiyazAli
by Valued Contributor III
  • 1462 Views
  • 1 replies
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Unable to create a record_id column via DLT - Autoloader

Hi Community,I'm trying to load data from the landing zone to the bronze layer via DLT- Autoloader, I want to add a column record_id to the bronze table while I fetch my data. I'm also using file arrival trigger in the workflow to update my table inc...

  • 1462 Views
  • 1 replies
  • 0 kudos
Latest Reply
RiyazAli
Valued Contributor III
  • 0 kudos

Hey @Retired_mod  - could you or any body from the community team help me here, please? I've been stuck since quite some time now.

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Aidonis
by New Contributor III
  • 21061 Views
  • 3 replies
  • 2 kudos

Resolved! Flatten Deep Nested Struct

Hi All,I have a deeply nested spark dataframe struct something similar to below |-- id: integer (nullable = true) |-- lower: struct (nullable = true) | |-- field_a: integer (nullable = true) | |-- upper: struct (containsNull = true) | | ...

  • 21061 Views
  • 3 replies
  • 2 kudos
Latest Reply
Praveen-bpk21
New Contributor II
  • 2 kudos

@Aidonis You can try this as well:flatten-spark-dataframe · PyPIThis also allows for specific level of flattening.

  • 2 kudos
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SPres
by New Contributor
  • 1398 Views
  • 1 replies
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Passing Parameters from Azure Synapse

Hey Community!Just curious if anyone has tried using Azure Synapse for orchestration and passing parameters from Synapse to a Databricks Notebook. My team is testing out Databricks, and I'm replacing Synapse Notebooks with Databricks Notebooks, but I...

  • 1398 Views
  • 1 replies
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Latest Reply
Ajay-Pandey
Esteemed Contributor III
  • 0 kudos

Hi @SPres You can definitely pass these parameters to databricks notebook also.Please refer below docs - Run a Databricks Notebook with the activity - Azure Data Factory | Microsoft Learn

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Chengzhu
by New Contributor
  • 840 Views
  • 0 replies
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Databricks Model Registry Notification

Hi community,Currently, I am training models on databricks cluster and use mlflow to log and register models. My goal is to send notification to me when a new version of registered model happens (if the new run achieves some model performance baselin...

Screenshot 2024-04-17 at 1.14.11 PM.png Screenshot 2024-04-17 at 1.13.14 PM.png
  • 840 Views
  • 0 replies
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dilkushpatel
by New Contributor II
  • 2174 Views
  • 2 replies
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Databricks connecting SQL Azure DW - Confused between Polybase and Copy Into

I see two articles on databricks documentationshttps://docs.databricks.com/en/archive/azure/synapse-polybase.html#language-pythonhttps://docs.databricks.com/en/connect/external-systems/synapse-analytics.html#service-principal Polybase one is legacy o...

Data Engineering
azure
Copy
help
Polybase
Synapse
  • 2174 Views
  • 2 replies
  • 0 kudos

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