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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

Dean_Lovelace
by New Contributor III
  • 33151 Views
  • 13 replies
  • 2 kudos

How can I deploy workflow jobs to another databricks workspace?

I have created a number of workflows in the Databricks UI. I now need to deploy them to a different workspace.How can I do that?Code can be deployed via Git, but the job definitions are stored in the workspace only.

  • 33151 Views
  • 13 replies
  • 2 kudos
Latest Reply
Walter_C
Databricks Employee
  • 2 kudos

@itacdonev great option provided, @Dean_Lovelace you can also select the option View JSON on the Workflow and move to the option create, with this code you can use the API https://docs.databricks.com/api/workspace/jobs/create and create the job in th...

  • 2 kudos
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RoelofvS
by New Contributor III
  • 1612 Views
  • 2 replies
  • 2 kudos

Resolved! "delta-lake" demo fails with"config" notebook not found when running "00-setup"

Hi all,The delta-lake demo used to run fine for us around October 2024. Reinstalling it now, it fails on initialisation.Using runtime version 15.4 on a trial Databricks installation, and executing dbdemos.install('delta-lake', overwrite=True, use_cur...

  • 1612 Views
  • 2 replies
  • 2 kudos
Latest Reply
brockb
Databricks Employee
  • 2 kudos

Hi @RoelofvS , I was able to replicate the issue and reached out to the team that maintains dbdemos, they will get this addressed. Until that is addressed, you can try manually creating that `config` notebook as follows: #Note: we do not recommend to...

  • 2 kudos
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David_Billa
by New Contributor III
  • 2211 Views
  • 2 replies
  • 1 kudos

Resolved! Explode function to flatten the JSON

I've the DDL as below. Create or replace table test ( prices ARRAY<STRUCT<Ord:STRING:,Vndr:STRING,Prc:STRING>> ) using delta location "path" Now I want to flatten the JSON and I've tried as below but it's throwing an error, "[UNRESOLVED.COLUMN.WITH_...

  • 2211 Views
  • 2 replies
  • 1 kudos
Latest Reply
hari-prasad
Valued Contributor II
  • 1 kudos

Hi @David_Billa ,You can use following from_json function in spark which can convert struct into individual column. Refer this link https://spark.apache.org/docs/3.4.0/api/python/reference/pyspark.sql/api/pyspark.sql.functions.from_json.html.Also, yo...

  • 1 kudos
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impresent
by Databricks Partner
  • 754 Views
  • 1 replies
  • 0 kudos

Managed table storage not accessible in cloud storage

Hi All,I have create a new catalog in the unity catalog which has a cloud location for managed tables. but when accessing the location in Azure portal it denies me to see the files.I want to see all my data files ( parquet / JSON) in the storage acco...

  • 754 Views
  • 1 replies
  • 0 kudos
Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

Do you have full permissions on this storage location? Also please remember the best practices for Managed tables: You should not use tools outside of Databricks to manipulate files in managed tables directly. You should only interact with data files...

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UM1
by New Contributor
  • 6841 Views
  • 4 replies
  • 1 kudos

drop or alter primary key constraint for a streaming table in delta live tables

I have a dlt streaming table with a primary key constraint defined through the schema definitions. I have redeployed the same dlt pipeline with the same target. When attempting to run the pipeline, I get the error,  ErrorClass=RESOURCE_ALREADY_EXISTS...

  • 6841 Views
  • 4 replies
  • 1 kudos
Latest Reply
Sidhant07
Databricks Employee
  • 1 kudos

The `RESOURCE_ALREADY_EXISTS` error you're encountering suggests that the primary key constraint `pk_constraint_name` already exists in the target delta table. This constraint may have been created during a previous deployment of the DLT pipeline or ...

  • 1 kudos
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manideep04d
by New Contributor
  • 5215 Views
  • 2 replies
  • 0 kudos

Creating Linked Service in ADF to link Databricks Community Edition

Using Current Community Edition I was Unable to create a linked service unable to generate/copy personal Access Token .Tried Installing ODBC but unable to set it properly. Any suggestions / Help would be highly Appreciated

  • 5215 Views
  • 2 replies
  • 0 kudos
Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

In community Edition workspaces the PAT token is not allowed, instead of this you might need to generate an Oauth token to be able to authenticate: https://docs.databricks.com/en/dev-tools/auth/oauth-u2m.htmlYou can refer to the ODBC guide in page 19...

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Rjdudley
by Honored Contributor
  • 2449 Views
  • 3 replies
  • 0 kudos

Resolved! Deploying Data Source API code

This might be a stupid question but there's just no mention of what to do here.  I'm looking at the blog (https://www.databricks.com/blog/simplify-data-ingestion-new-python-data-source-api) and documentation (https://learn.microsoft.com/en-us/azure/d...

  • 2449 Views
  • 3 replies
  • 0 kudos
Latest Reply
Alberto_Umana
Databricks Employee
  • 0 kudos

You're very welcome!

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Rajeshwar_Reddy
by New Contributor II
  • 5410 Views
  • 2 replies
  • 0 kudos

Resolved! ODBC connection issue Simba 64 bit driver

Hello AllAm getting the below error when trying to create ODBC DSN Simba 64 in local system to connect Databricks Server using the token and enabled SSL System trust store & Thrift Transport: HTTP. Thanks,[Simba][ThriftExtension] (14) Unexpected resp...

  • 5410 Views
  • 2 replies
  • 0 kudos
Latest Reply
Rajeshwar_Reddy
New Contributor II
  • 0 kudos

Yes its the same question 

  • 0 kudos
1 More Replies
Phuonganh
by Databricks Partner
  • 4594 Views
  • 3 replies
  • 4 kudos

Databricks SDK for Python: Errors with parameters for Statement Execution

Hi team,Im using Databricks SDK for python to run SQL queries. I created a variable as below:param = [{'name' : 'a', 'value' :x'}, {'name' : 'b', 'value' : 'y'}]and passed it the statement as below_ = w.statement_execution.execute_statement( warehous...

  • 4594 Views
  • 3 replies
  • 4 kudos
Latest Reply
vfrcode
New Contributor II
  • 4 kudos

The following works: response = w.statement_execution.execute_statement( statement='ALTER TABLE users ALTER COLUMN :col_name SET NOT NULL', warehouse_id='<warehouseID>', parameters=[sql.StatementParameterListItem(name='col_name' value='u...

  • 4 kudos
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Henry
by New Contributor II
  • 5495 Views
  • 7 replies
  • 0 kudos

Cannot login Databricks Community Edition with new account

It seems it is not allowing me to log into databricks community edition. I have recently created a new account and had the account verified. However, whenever I try to log in, I am redirected to the same page without throwing any errors. When I do en...

  • 5495 Views
  • 7 replies
  • 0 kudos
Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

Please check steps provided in https://community.databricks.com/t5/support-faqs/databricks-community-sso-august-3rd-2024/ta-p/78459If issue persist please reach out to databricks-community@databricks.com

  • 0 kudos
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lauraxyz
by Contributor
  • 1678 Views
  • 2 replies
  • 0 kudos

dbutils.notebook API: pass data back to caller notebook

Hi all, according to this doc, we can pass data back through temp views, DBFS, or JSON data.However, in my case, i need to pass both a temp view, as well as some metadata in JSON.  is there a way to exit with BOTH a view AND json, something likedbuti...

  • 1678 Views
  • 2 replies
  • 0 kudos
Latest Reply
lauraxyz
Contributor
  • 0 kudos

I can have a try and see if it's the same like exit(view_name) in that the view is created in global_temp_db and that the lifecycle is with the job compute.

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dixonantony
by New Contributor III
  • 2632 Views
  • 8 replies
  • 0 kudos

Not able create table form external spark

py4j.protocol.Py4JJavaError: An error occurred while calling o123.sql.: io.unitycatalog.client.ApiException: generateTemporaryPathCredentials call failed with: 401 - {"error_code":"UNAUTHENTICATED","message":"Request to generate access credential for...

  • 2632 Views
  • 8 replies
  • 0 kudos
Latest Reply
NandiniN
Databricks Employee
  • 0 kudos

You need the generateTemporaryPathCredentials API as you are trying to create external tables 

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jeremy98
by Honored Contributor
  • 11527 Views
  • 3 replies
  • 0 kudos

Resolved! token share

Hello community,I want to have a new token, to be available to our users to interact with staging workspace. Is it possible to generate a token to be used for triggering only workflow in staging workspace databricks with databricks api?

  • 11527 Views
  • 3 replies
  • 0 kudos
Latest Reply
Walter_C
Databricks Employee
  • 0 kudos

you will need to have your own personal token to create one for your SP, in the UI you need to go to Settings > Under User > Developer > Personal Access Token.Once you have your own token you can run the API I mentioned on my previous post and you ne...

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