- 1077 Views
- 1 replies
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Resolved! read_files vs. cloud_file
I was wondering what is the difference between read_files and cloud_file.I can't find explicit explanation or comparison in Databriks Documentation.Best Regards Ivaylo
- 1077 Views
- 1 replies
- 1 kudos
- 1 kudos
## Key Differences Between `read_files` and `cloud_files`### **`read_files` Function**`read_files` is a table-valued function that reads files under a provided location and returns the data in tabular form. It supports reading JSON, CSV, XML, TEXT, B...
- 1 kudos
- 1485 Views
- 1 replies
- 4 kudos
Resolved! Recommended approach for handling deletes in a Delta table
What is the recommended approach for handling deletes in a Delta table?I have a table in MySQL (no soft delete flag) that I read and write into Azure as a Delta table. My current flow is:- If an ID exists in both MySQL and the Delta table → update th...
- 1485 Views
- 1 replies
- 4 kudos
- 4 kudos
The recommended way of handling CDC in Databricks is by using the merge command.https://docs.databricks.com/aws/en/sql/language-manual/delta-merge-intoIf you using SQL.-- Delete all target rows that have a match in the source table.> MERGE INTO targe...
- 4 kudos
- 17364 Views
- 5 replies
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Is there a way to programatically retrieve a workspace name ?
Is there a spark command in databricks that will tell me what databricks workspace I am using? I’d like to parameterise my code so that I can update delta lake file paths automatically depending on the workspace (i.e. it picks up the dev workspace na...
- 17364 Views
- 5 replies
- 0 kudos
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To programmatically retrieve the Databricks workspace name from within a notebook, you can use Spark configuration or the notebook context. One method is to read the workspace URL using spark.conf.get("spark.databricks.workspaceUrl") and then extract...
- 0 kudos
- 4965 Views
- 6 replies
- 1 kudos
Monitoring structure streaming in externar sink
Hi! Today working trying to collect some metrics to create a splot in my spark structure streaming. It is configured with a trigger(processingTime="30 seconds") and I am trying to collect data with the following Listener Class (just an example). # D...
- 4965 Views
- 6 replies
- 1 kudos
- 1 kudos
Hi everyone,I recently worked on a similar requirement and would like to share a structured approach to monitoring Structured Streaming when writing to external sinks.1. Use a Unique Query NameAlways assign a clear and meaningful name to each streami...
- 1 kudos
- 1290 Views
- 3 replies
- 1 kudos
Help required for executing geospetial query
we have requirement to find a specific distance based on longitude and latitude. Can you please help me with the details step how we can achieve this using pyspark? Thank you.
- 1290 Views
- 3 replies
- 1 kudos
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Hi @dholea ,Databricks Runtime 17.1 Beta added native support for Spatial SQL. So for example it let's you calculate distance between coordinates.I think you can try with ST_Distance() function.
- 1 kudos
- 668 Views
- 2 replies
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Cannot use join with Enzyme
I suppose I can use incrementalization on pipelines. Supported operators are listed in here: https://docs.databricks.com/aws/en/optimizations/incremental-refresh#support-for-materialized-view-incremental-refreshHowever, when I run the pipeline, it do...
- 668 Views
- 2 replies
- 0 kudos
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Thank you for your reply. Even though we only do one join, we keep getting this error.
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- 946 Views
- 2 replies
- 1 kudos
Resolved! Managing values that change between development and production
Hi all, when moving from development to testing a production one often needs to handle change values like the blob store or database server being differentI have seen that using widgets can be a useful way to have updateable values for Notebooks and ...
- 946 Views
- 2 replies
- 1 kudos
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Great, thanks. Speed in this case isn't critical as it's not processing massive amounts of data, well I hope not massive amounts at this time. It'll be some batch processes that can't use dlt.
- 1 kudos
- 4055 Views
- 2 replies
- 1 kudos
Odoo ERP customization Odoo is one of the most popular ERP software. It is widely use by companies. Odoo customization mainly includes changing the sy...
Odoo ERP customizationOdoo is one of the most popular ERP software. It is widely use by companies. Odoo customization mainly includes changing the system by including new features and functionalities in accordance with the business needs of the clien...
- 4055 Views
- 2 replies
- 1 kudos
- 1 kudos
Odoo ERP customization is process to customize module, CRM, website, POS, report and more to meet the specific business requirement.
- 1 kudos
- 3849 Views
- 4 replies
- 2 kudos
Resolved! Data Transfer using Unity Catalog full implementation
I have to share data between Azure A and Azure B . using unity catalog and delta sharing.Every Time Data comes to Azure A, The same Data can be read by AzureB.How to handle Incremental Load. for change records I think I need to use Merge Statement....
- 3849 Views
- 4 replies
- 2 kudos
- 2 kudos
This works well when set up, If you're securely set up in Azure you will need to grant a privatelink to the underlying storage for their service to read data. For enhanced security I'd recommend your catalog for the other party then be in external st...
- 2 kudos
- 586 Views
- 1 replies
- 0 kudos
How can we Implement Conditional Logic on SQL Query Output in Job Workflow
I'm trying to create a job where I define a get data task that executes a SQL query. After that, I want to apply conditional logic using an if-else task based on the query output. Specifically, I want to check each row individually—if a condition is ...
- 586 Views
- 1 replies
- 0 kudos
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Hello, I believe the the fixed parameter option is exists and introduced recently in lake flow declarative pipeline where you need to navigate to the configuration section and add parameters.
- 0 kudos
- 3185 Views
- 2 replies
- 0 kudos
Merge using DLT
I have a requirement where i need only 24 hours data from my delta tablelets call this as latest tablethis latest table should be in sync with sourceso, it should handle all updates and inserts along with delete (if something gets deleted at source, ...
- 3185 Views
- 2 replies
- 0 kudos
- 0 kudos
from pyspark.sql.functions import col, lit, expr, when, to_timestamp, current_timestampfrom pyspark.sql.functions import max as max_import dltfrom pyspark.sql.types import StructType, StructField, StringTypefrom pyspark.sql.utils import AnalysisExcep...
- 0 kudos
- 14294 Views
- 7 replies
- 4 kudos
Resolved! Databricks Autoloader Checkpoint
Hello Databricks Community,I'm encountering an issue with the Databricks Autoloader where, after running successfully for a period of time, it suddenly stops detecting new files in the source directory. This issue only gets resolved when I reset the ...
- 14294 Views
- 7 replies
- 4 kudos
- 4 kudos
I have found that reducing the number of objects in the landing path (via an archive/cleanup process) is the most reliable fix. Auto Loader's file discovery can bog down in big/"long-lived" landing folders—especially in directory-listing mode—so clea...
- 4 kudos
- 7502 Views
- 7 replies
- 8 kudos
- 7502 Views
- 7 replies
- 8 kudos
- 41453 Views
- 8 replies
- 12 kudos
Resolved! Table write command stuck "Filtering files for query."
Hello all,Background:I am having an issue today with databricks using pyspark-sql and writing a delta table. The dataframe is made by doing an inner join between two tables and that is the table which I am trying to write to a delta table. The table ...
- 41453 Views
- 8 replies
- 12 kudos
- 12 kudos
@timo199 , @boskicl I had similar issue and job was getting stuck at Filtering Files for Query indefinitely. I checked SPARK logs and based on that figured out that we had enabled PHOTON acceleration on our cluster for job and datatype of our columns...
- 12 kudos
- 929 Views
- 3 replies
- 0 kudos
Spark Memory Configuration– Request for Clarification
Hi Team,I have noticed the following Spark configuration is being applied, though it's not defined in our repo or anywhere in the policies:spark.memory.offHeap.enabled = true spark.memory.offHeap.size = Around 3/4 of the node instance memory (i.e 1-...
- 929 Views
- 3 replies
- 0 kudos
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Now I understand how it's automatically configured in our cluster along with the rationale behind this off-heap memory approach.However, I have some concerns about this configuration:General applicability: Most jobs don't actually require 70% off-hea...
- 0 kudos
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