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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

MShee
by New Contributor II
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NandiniN
Databricks Employee
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Hello @M Shee​ ,In a drop down you can select a value from a list of provided values, not type the values in. What you might be interested in is a combobox - It is combination of text and dropdown. It allows to select a value from a provided list or ...

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Lu_Wang_SA_DBX
by Databricks Employee
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  • 1 replies
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We will host the first Databricks Bay Area User Group meeting in the Databricks Mountain View office on March 14 2:45-5:00 pm PT.We'll have Dave M...

We will host the first Databricks Bay Area User Group meeting in the Databricks Mountain View office on March 14 2:45-5:00 pm PT.We'll have Dave Mariani - CTO & Founder at AtScale, and Riley Phillips - Enterprise Solution Engineer at Matillion to sha...

David Mariana - CTO, AtScale Riley Phillips - Enterprise Solution Engineer, Matillion
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amitabharora
Databricks Employee
  • 3 kudos

Looking forward.

  • 3 kudos
Everton_Costa
by New Contributor II
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Cami
Contributor III
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I hope it helps:SELECT DATEADD(DAY, rnk - 1, '{{StartDate}}') FROM ( WITH lv0(c) AS( SELECT 1 as c UNION ALL SELECT 1 ) , lv1 AS ( Select t1.c from lv0 t1 cross JOIN lv0 t2 ) , lv2 AS ( Select t1....

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JacintoArias
by New Contributor III
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Spark predicate pushdown on parquet files when using limit

Hi,While developing an ETL for a large dataset I want to get a sample of the top rows to check that my the pipeline "just runs", so I add a limit clause when reading the dataset.I'm surprised to see that instead of creating a single task as in a sho...

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JacekLaskowski
Databricks MVP
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It's been a while since the question was asked, and in the meantime Delta Lake 2.2.0 hit the shelves with the exact feature the OP asked about, i.e. LIMIT pushdown:LIMIT pushdown into Delta scan. Improve the performance of queries containing LIMIT cl...

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rsamant07
by New Contributor III
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Serverless SQL Cluster giving error with Powerbi

Power bu Giving this error while accessing delta table using serverless sql endpoint. Error while using path /mnt/xyz/_delta_log/00000000000000000000.checkpoint for resolving path '/xyz/_delta_log/00000000000000000000.checkpoint' within mount at '/mn...

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Anonymous
Not applicable
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Hi @Rahul Samant​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedback...

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maaaxx
by New Contributor III
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A customized python library in cluster to access ADLS vis secret

Hello dear community,in our current project, we would like to develop a customized python library and deploy this library to all of the cluster to manage access control. You might ask why via a conventional way like external storage, well, we do not ...

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Anonymous
Not applicable
  • 4 kudos

Hi @Yuan Gao​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so we c...

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andrcami1990
by New Contributor II
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Resolved! Connect GraphQL to Data Bricks

Hi I am new to Databricks however I need to expose data found in the delta lake directly to GraphQL to be queried by several applications. Is there a connector or something similar to GraphQL that works with Databricks?

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Anonymous
Not applicable
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Hi @Andrew Camilleri​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feed...

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maxutil
by New Contributor II
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Resolved! SQL select string and turn it into a decimal

select col as original, col::double as val_double, col::float as val_float, col::decimal(10,4) as val_decimal, to_number(col, '99999.99999') as val_tonum from int_fx_conversion_rate;The original value of col is a string such as '1...

  • 9544 Views
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Anonymous
Not applicable
  • 3 kudos

Hi @Chris Chung​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedback ...

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JaiT
by New Contributor II
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Resolved! DataBricks Workspace Environment

Hi, I am new to DataBricks and have started learning about it. I wanted to know if I can use the DataBricks workspace without the 3 Cloud Providers, i.e. AWS, Azure and GCP.If yes, then how?

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Anonymous
Not applicable
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Hi @Jai Chitkara​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedback...

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Alyayman
by Contributor
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Anonymous
Not applicable
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Hi @Aly Ayman​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so we ...

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Manuchito
by New Contributor
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Resolved! Data Engineering with Databricks V2 not available in Partner

I cannot access the course anymore, it's shows it's under maintenance. For how long this will be? Is there any way to access it's videos for the Data Engineer Associate part?

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Anonymous
Not applicable
  • 1 kudos

Hi @Juan Manuel Moviglia​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tel...

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YSF
by New Contributor III
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Resolved! How do I use the Python Logging Module in a Repo?

I have a repo that have python files that use the built in logging module. Additionally in some of the notebooks of the repo I want to use logging.debug()/logging.info() instead of print statements everywhere. However when I use the root logger or cr...

Screenshot 2023-02-28 143417
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Anonymous
Not applicable
  • 4 kudos

Hi @Yusuf Khan​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so we...

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uzairm
by New Contributor III
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Resolved! ThreadPoolExecutor in Databricks

I am using a threadpool executor and running notebooks in parallel. However, these parallel notebooks are not using executors at all and all the load is going towards the driver node resulting in running out of memory for the driver node and eventual...

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Anonymous
Not applicable
  • 2 kudos

Hi @uzair mustafa​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedbac...

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haggholm
by New Contributor
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Resolved! Query with ORDER BY fails with HiveThriftServerError "requirement failed: Subquery … has not finished"

Using ODBC or JDBC to read from a table fails when I attempt to use an ORDER BY clause. In one sample case, I have a fairly small table (just 1946 rows).select * from some_table order by some_fieldResult:java.lang.IllegalArgumentException: requiremen...

  • 3773 Views
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Anonymous
Not applicable
  • 1 kudos

Hi @petter@hightouch.com Petter​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it doe...

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Hubert-Dudek
by Databricks MVP
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Starting from #databricks runtime 12.2 LTS, implicit lateral column aliasing is now supported. This feature enables you to reuse an expression defined...

Starting from #databricks runtime 12.2 LTS, implicit lateral column aliasing is now supported. This feature enables you to reuse an expression defined earlier in the same SELECT list, thus avoiding repetition of the same calculation.For instance, in ...

ezgif-3-d3fac0139c
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Anonymous
Not applicable
  • 5 kudos

Thanks for sharing this with the Databricks community.

  • 5 kudos
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