id stringlengths 7 11 | source stringclasses 1
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values | title stringlengths 15 214 | text stringlengths 70 30.5k | url stringlengths 57 160 | tags stringlengths 3 113 | created_at int64 1.22B 1.79B |
|---|---|---|---|---|---|---|---|
se_79995138 | stackoverflow | DATA_ENGINEERING | Architecture for scaling Playwright social scraping: Alternatives to brute-forcing search keywords? | Architecture for scaling Playwright social scraping: Alternatives to brute-forcing search keywords?
I am building a data ingestion pipeline (Phase 1 of a Machine Learning project) to scrape public Facebook posts about specific niche topics (e.g., vintage mechanical keyboard trading, local hobbyist meetups).
I have suc... | https://stackoverflow.com/questions/79995138/architecture-for-scaling-playwright-social-scraping-alternatives-to-brute-forci | web-scraping, facebook-graph-api, architecture, playwright-python, data-engineering | 1,786,723,657 |
se_79972032 | stackoverflow | DATA_ENGINEERING | What do you think of this? | What do you think of this?
I'm an aspiring Data Engineer/scientist, and I'm currently building a three-part end-to-end data engineering project. Before I continue with Parts 2 and 3, I'd really appreciate feedback from professionals working in the industry or anyone involved in hiring Data Engineers.
Part 1 – Local De... | https://stackoverflow.com/questions/79972032/what-do-you-think-of-this | amazon-web-services, apache-spark, data-engineering | 1,782,894,374 |
se_79962793 | stackoverflow | DATA_ENGINEERING | How to stream and convert 50GB+ Zip of CSVs to Parquet in S3/MinIO without local disk? | How to stream and convert 50GB+ Zip of CSVs to Parquet in S3/MinIO without local disk?
I'm writing a Python script as a component of data pipeline that takes a zipped archive of CSV files from the landing bucket, extracts the files, converts them to Parquet, and puts them back into another Minio bucket. Later, Spark t... | https://stackoverflow.com/questions/79962793/how-to-stream-and-convert-50gb-zip-of-csvs-to-parquet-in-s3-minio-without-local | python, amazon-s3, minio, data-engineering | 1,781,805,444 |
se_79942520 | stackoverflow | DATA_ENGINEERING | Medallion Architecture in the ELT approach | Medallion Architecture in the ELT approach
I'm building an ELT pipeline that extracts data from different sources and load data into S3 buckets. I have three buckets: bronze, silver and gold. Once the data arrives, should I upload it directly to the Bronze bucket in original formats, or should I immediately read it us... | https://stackoverflow.com/questions/79942520/medallion-architecture-in-the-elt-approach | amazon-s3, data-engineering | 1,779,031,826 |
se_79936223 | stackoverflow | DATA_ENGINEERING | How to group connected materials and aggregate stocks in PySpark/SQL on Databricks | How to group connected materials and aggregate stocks in PySpark/SQL on Databricks
How can I solve my current issue I'll give you some sample raw data and expected data below. The process can use SQL and Python, currently using a Databricks notebook.
As you can see in the data, I don't have a direct link between all o... | https://stackoverflow.com/questions/79936223/how-to-group-connected-materials-and-aggregate-stocks-in-pyspark-sql-on-databric | python, pyspark, databricks, data-engineering | 1,777,959,827 |
se_79930362 | stackoverflow | DATA_ENGINEERING | Using a date parameter to control data volume across DEV/UAT/PROD — is this a recognised pattern? | Using a date parameter to control data volume across DEV/UAT/PROD — is this a recognised pattern?
I've read about environment strategies for data pipelines. The common answers are UAT gets a prod backup restored periodically and DEV gets synthetic data or a manual subset. But nobody addresses how to control volume pr... | https://stackoverflow.com/questions/79930362/using-a-date-parameter-to-control-data-volume-across-dev-uat-prod-is-this-a-re | sql, sql-server, continuous-integration, data-engineering | 1,776,894,058 |
se_79924453 | stackoverflow | DATA_ENGINEERING | Redis Streams as ingestion buffer vs. dual async writes to db and redis at 50k msg/sec | Redis Streams as ingestion buffer vs. dual async writes to db and redis at 50k msg/sec
Building a python pipeline ingesting ~50k WebSocket messages/sec. Each message needs to hit PostgreSQL and a live frontend. Two options:
Option A — write both in the handler at the same time
WS handler → async PostgreSQL write
... | https://stackoverflow.com/questions/79924453/redis-streams-as-ingestion-buffer-vs-dual-async-writes-to-db-and-redis-at-50k-m | python, database, websocket, redis, data-engineering | 1,776,017,656 |
se_79894773 | stackoverflow | DATA_ENGINEERING | Data Engineering Internship | Data Engineering Internship
Nowadays The Job Market is completely changes And AI bring changes in Every Field
I want my Career in Data Engineering
How should I prepare to be Job ready for atleast entry roles
which Tool is evergreen for Data Engineers and
Any new tool should I focus more | https://stackoverflow.com/questions/79894773/data-engineering-internship | data-engineering | 1,771,863,612 |
se_79878399 | stackoverflow | DATA_ENGINEERING | How to model and track monthly snapshot data in PostgreSQL when no natural key exists? | How to model and track monthly snapshot data in PostgreSQL when no natural key exists?
Problem
I’m loading a monthly snapshot dataset into PostgreSQL where the source does not provide a stable natural key for one of the entities.
The dataset is similar to the Brazilian CNPJ sócios (partners) table:
Each month is a fu... | https://stackoverflow.com/questions/79878399/how-to-model-and-track-monthly-snapshot-data-in-postgresql-when-no-natural-key-e | postgresql, etl, data-modeling, data-engineering | 1,769,654,967 |
se_79873385 | stackoverflow | DATA_ENGINEERING | Ignore merging republished data to final table while using DLT | Ignore merging republished data to final table while using DLT
I am new to DLT and trying to implement a use case where a republished record should not get merged into my curate layer as the record is already present with me in its latest form. I tried reading the curate table in my DLT and apply filtering on raw data... | https://stackoverflow.com/questions/79873385/ignore-merging-republished-data-to-final-table-while-using-dlt | databricks, delta-live-tables, data-engineering, dlt | 1,769,057,147 |
se_79847589 | stackoverflow | DATA_ENGINEERING | When should data go to Archive vs Reject in Bronze layer (Medallion Architecture)? | When should data go to Archive vs Reject in Bronze layer (Medallion Architecture)?
Can anybody help with understanding the Archive and Reject folders in bronze layer at Medallion Architecture. Let say i have 4 folders in Bronze namely Raw, Stage, Archive and Reject. At what extent a data can be pushed to Reject folder... | https://stackoverflow.com/questions/79847589/when-should-data-go-to-archive-vs-reject-in-bronze-layer-medallion-architecture | databricks, azure-databricks, data-analysis, data-ingestion, data-engineering | 1,765,795,456 |
se_79847627 | stackoverflow | DATA_ENGINEERING | what are validation checks that are made inorder to push a data to reject folder in medallion architecture? | what are validation checks that are made inorder to push a data to reject folder in medallion architecture?
In my dataset, I noticed that the actual data type of a column differs from the expected data type.In this situation, should the data be type-cast during processing, or should such records be moved to a Reject f... | https://stackoverflow.com/questions/79847627/what-are-validation-checks-that-are-made-inorder-to-push-a-data-to-reject-folder | data-science, databricks, azure-databricks, data-ingestion, data-engineering | 1,765,797,960 |
se_79810904 | stackoverflow | DATA_ENGINEERING | How to obtain BigQuery Dataform metadata for dependencies/dependents info? | How to obtain BigQuery Dataform metadata for dependencies/dependents info?
Is there any solution to use Python to extract BigQuery Dataform metadata of something else to get dependencies/dependents of each action in repository? The purpose is that I want to collect the information of each table in my project; where ar... | https://stackoverflow.com/questions/79810904/how-to-obtain-bigquery-dataform-metadata-for-dependencies-dependents-info | python, google-cloud-platform, dataform, data-engineering | 1,762,410,618 |
se_79828785 | stackoverflow | DATA_ENGINEERING | Parquet VS ORC In Iceberg | Parquet VS ORC In Iceberg
Hi I have been interested lately in learning iceberg. There is something was not able to get so I thought I would ask here.
I really wanna know why is Apache parquet the native file format used when building an iceberg table?
ORC just looks better in everyway. More metadata, better compressio... | https://stackoverflow.com/questions/79828785/parquet-vs-orc-in-iceberg | parquet, file-format, orc, apache-iceberg, data-engineering | 1,763,996,420 |
se_79829167 | stackoverflow | DATA_ENGINEERING | Materialising tables for multiple end user profiles in Redshift | Materialising tables for multiple end user profiles in Redshift
Imagine there's a reporting tool for which users might have the permission 'Admin' or 'User'.
We have a dimension in our models called admin_view and if the value is true then only users with Admin permission should be able to see the existence of this el... | https://stackoverflow.com/questions/79829167/materialising-tables-for-multiple-end-user-profiles-in-redshift | amazon-redshift, data-modeling, dbt, data-engineering | 1,764,024,309 |
se_79823232 | stackoverflow | DATA_ENGINEERING | Ways to Improve Bulk-Insert Throughput in Azure SQL | Ways to Improve Bulk-Insert Throughput in Azure SQL
I’m attempting high-volume bulk inserts into Azure SQL, but the performance is lower than expected. One known factor is the Max Log Rate (MiB/s) limit, which depends on the service tier (see Microsoft’s resource-limits documentation). I’ve already scaled up to increa... | https://stackoverflow.com/questions/79823232/ways-to-improve-bulk-insert-throughput-in-azure-sql | azure-sql-database, data-engineering | 1,763,460,714 |
se_79819692 | stackoverflow | DATA_ENGINEERING | Pushing down filters in RDBMS with Java Spark | Pushing down filters in RDBMS with Java Spark
I have been working as a Data Engineer and got this issue.
I came across a use case where I have a view(lets name it as inputView) which is created by reading data from some source.
Now somewhere later in the pipeline I have to again read data from RDBMS ,create a view(tra... | https://stackoverflow.com/questions/79819692/pushing-down-filters-in-rdbms-with-java-spark | java, apache-spark, apache-spark-sql, bigdata, data-engineering | 1,763,100,806 |
se_79807254 | stackoverflow | DATA_ENGINEERING | How would one draw an ERD for this question? | How would one draw an ERD for this question?
How would this relational schema be drawn as an ERD? My attempt is shown above, though it is incorrect. I do not understand why. Here is the relational schema:
CREATE TABLE student
(
name TEXT,
login TEXT,
age INTEGER,
gpa REAL,
PRIMARY KEY(sid)
);
CREA... | https://stackoverflow.com/questions/79807254/how-would-one-draw-an-erd-for-this-question | database, database-schema, erd, data-engineering, best-practices | 1,762,101,623 |
se_79798715 | stackoverflow | DATA_ENGINEERING | Programmatically modifying IBM DataStage job XML – changes not reflected after reimport | Programmatically modifying IBM DataStage job XML – changes not reflected after reimport
I’m trying to programmatically add a new database stage in parallel to an existing DataStage job by modifying its exported XML. I export the job from DataStage Designer, modify the XML via a Python script to insert a new stage, the... | https://stackoverflow.com/questions/79798715/programmatically-modifying-ibm-datastage-job-xml-changes-not-reflected-after-r | xml, etl, datastage, data-engineering, ibm-infosphere | 1,761,305,374 |
se_79785896 | stackoverflow | DATA_ENGINEERING | Reconfigure a Pandas Dataframe | Reconfigure a Pandas Dataframe
Our old ERP system generates orphaned HTML reports with the following format which I import into Pandas
Work Order Item Type Material Labor
0 552603 Budget 71119 4567
1 552603 Actual 34745 212
2 789101 Budget 580 4522
3 789101 Act... | https://stackoverflow.com/questions/79785896/reconfigure-a-pandas-dataframe | python, pandas, dataframe, data-engineering | 1,759,962,394 |
se_79649963 | stackoverflow | DATA_ENGINEERING | dbt run with compiled models without re-compilation | dbt run with compiled models without re-compilation
In my current dbt project, each time a dbt model is run, a new container is created, and run the command dbt run --select <model name>. So, each time it runs, the whole dbt project needs to compile, which executes a lot of queries in order to compile the models. This... | https://stackoverflow.com/questions/79649963/dbt-run-with-compiled-models-without-re-compilation | dbt, trino, data-engineering | 1,748,879,720 |
se_79654507 | stackoverflow | DATA_ENGINEERING | How to Use Filter Activity Output as a Source in Copy Activity in Azure Data Factory Pipeline | How to Use Filter Activity Output as a Source in Copy Activity in Azure Data Factory Pipeline
I'm fairly new to Azure Data Factory and need help with a pipeline I'm building. My goal is to read data from a CSV file stored in an Amazon S3 bucket, filter out records where the Status column is 'active', and then copy the... | https://stackoverflow.com/questions/79654507/how-to-use-filter-activity-output-as-a-source-in-copy-activity-in-azure-data-fac | azure, azure-data-factory, etl, data-analysis, data-engineering | 1,749,128,436 |
se_79616449 | stackoverflow | DATA_ENGINEERING | How do I do a specific aggregation on a table based on row column values on another table (SQL)? | How do I do a specific aggregation on a table based on row column values on another table (SQL)?
I have loaded two fact tables CDI and Population and a couple dimension tables in DuckDB. I did joins on the CDI fact table and its respective dimension tables which yields a snippet of the table below
And below is the Po... | https://stackoverflow.com/questions/79616449/how-do-i-do-a-specific-aggregation-on-a-table-based-on-row-column-values-on-anot | python, sql, data-science, duckdb, data-engineering | 1,746,964,313 |
se_79622872 | stackoverflow | DATA_ENGINEERING | How to pass an array parameter in ADF event trigger parameter | How to pass an array parameter in ADF event trigger parameter
I have created a parameter called file_list which is of array type. Now, how can I get all the file names via event trigger parameter.
I tried below but no luck
@join(triggerBody().fileName,',')
@triggerBody().["fileName"]
array(@{join(triggerBody('fileName... | https://stackoverflow.com/questions/79622872/how-to-pass-an-array-parameter-in-adf-event-trigger-parameter | azure, azure-data-factory, databricks, data-engineering | 1,747,296,265 |
se_79618516 | stackoverflow | DATA_ENGINEERING | Formatting csv file format in pyspark | Formatting csv file format in pyspark
I have a | delimited csv file with data as shown below.
AccountID|BounceSubcategory|BounceTypeID|BounceType|SMTPBounceReason|SMTPMessage|SMTPCode|TriggererSendDefinitionObjectID|TriggeredSendCustomerKey|IsFalseBounce|dwHashKey
1111111111|Unknown|1|delayed|5.0.350 Remote server re... | https://stackoverflow.com/questions/79618516/formatting-csv-file-format-in-pyspark | python, pyspark, data-manipulation, data-transform, data-engineering | 1,747,077,019 |
se_79604363 | stackoverflow | DATA_ENGINEERING | Data transformation in AWS | Data transformation in AWS
I have two years of IOT telemetry data in a S3 bucket (json format). I want to transform with Glue in the as mentioned below to another S3 in the data lake.
Structure is : year, month, day, hour, product type, mac address structure. How do I do it in AWS fast and cost effective
I tried usin... | https://stackoverflow.com/questions/79604363/data-transformation-in-aws | amazon-web-services, aws-glue, data-engineering | 1,746,247,366 |
se_79597257 | stackoverflow | DATA_ENGINEERING | dlthub not creating tables in Oracle Database | dlthub not creating tables in Oracle Database
I'm having problems on running pipelines using dlthub, using a oracle database as destination.
import dlt
import requests
import sqlalchemy as sa
pipeline = dlt.pipeline(
pipeline_name="quick_start",
destination="sqlalchemy",
dataset_name="MY_DB",
)
@dlt.reso... | https://stackoverflow.com/questions/79597257/dlthub-not-creating-tables-in-oracle-database | oracle-database, sqlalchemy, etl, data-engineering, dlt | 1,745,872,583 |
se_79574520 | stackoverflow | DATA_ENGINEERING | Architecture for near real-time DWH | Architecture for near real-time DWH
I am trying to create a data flow architecture that is able to include different data sources (some of them will be real time events (insert, update, delete), some of them batch). The output should be something data warehouse-like with multiple tables representing entities that can ... | https://stackoverflow.com/questions/79574520/architecture-for-near-real-time-dwh | apache-kafka, architecture, etl, data-warehouse, data-engineering | 1,744,699,725 |
se_79568259 | stackoverflow | DATA_ENGINEERING | Feasibility of Dynamically Reusing Common user defined functions Across Multiple DLT Notebooks | Feasibility of Dynamically Reusing Common user defined functions Across Multiple DLT Notebooks
I'm exploring ways to enable dynamic reusability of common user defined functions across multiple notebooks in a DLT (Delta Live Tables) pipeline. The goal is to avoid duplicating code and maintain a centralized location for... | https://stackoverflow.com/questions/79568259/feasibility-of-dynamically-reusing-common-user-defined-functions-across-multiple | python, azure, azure-functions, data-engineering | 1,744,356,569 |
se_79570348 | stackoverflow | DATA_ENGINEERING | PyAirbyte - Collect data from a Google Sheet | PyAirbyte - Collect data from a Google Sheet
I'm using PyAirbyte and Airflow to collect data from a basic Google Sheet into a Postgres table. My code runs successfully without any errors, but the tables are always created empty.
I've already confirmed that my service account has the necessary permissions, but I might ... | https://stackoverflow.com/questions/79570348/pyairbyte-collect-data-from-a-google-sheet | python, google-sheets, data-engineering, airbyte, pyairbyte | 1,744,455,219 |
se_79565838 | stackoverflow | DATA_ENGINEERING | Generating data checksum for nested data structures | Generating data checksum for nested data structures
What would be a good approach to generate a data checksum/hash for nested data (including arrays) in Spark, using the PySpark dataframe api?
The ordering of elements in an array could be differend, but the data the same (see example below). The checksum should be the... | https://stackoverflow.com/questions/79565838/generating-data-checksum-for-nested-data-structures | apache-spark, pyspark, data-engineering | 1,744,265,386 |
se_79507475 | stackoverflow | DATA_ENGINEERING | AWS Glue Job : Convert Pyspark date decimal to date format | AWS Glue Job : Convert Pyspark date decimal to date format
I am new to data engineering.
I have a gluejob that is taking data out of SQL and putting it in an S3 bucket.
I have a reference line of SQL that says ",current_timestamp() AS load_Date "
but the return data looks like this "4.5392788585963160278968768e+25" wh... | https://stackoverflow.com/questions/79507475/aws-glue-job-convert-pyspark-date-decimal-to-date-format | sql, amazon-web-services, pyspark, aws-glue, data-engineering | 1,741,895,143 |
se_79544230 | stackoverflow | DATA_ENGINEERING | Populate data in a derived column of JSON data type | Populate data in a derived column of JSON data type
Here is the usecase we are trying to achieve.
Suppose there are a bunch of columns with TAG_ prefix and all are STRING type.
(See attached image to get an idea)
We want to populate a derived nested column say "tags_json" which is of JSON data type in the same table.... | https://stackoverflow.com/questions/79544230/populate-data-in-a-derived-column-of-json-data-type | sql, json, google-bigquery, data-engineering | 1,743,314,246 |
se_79543636 | stackoverflow | DATA_ENGINEERING | Triggering Downstream Workflow in Databricks from New Inserts in Snowflake | Triggering Downstream Workflow in Databricks from New Inserts in Snowflake
I have a table in Snowflake that tracks newly added items, and a downstream data processing workflow that needs to be triggered whenever new items are added. I'm currently using Lakehouse Federation to query the Snowflake tables in Databricks.
... | https://stackoverflow.com/questions/79543636/triggering-downstream-workflow-in-databricks-from-new-inserts-in-snowflake | snowflake-cloud-data-platform, databricks, etl, data-engineering | 1,743,269,137 |
se_79501187 | stackoverflow | DATA_ENGINEERING | Can I have DBT read from my production dataset when building dev tables? | Can I have DBT read from my production dataset when building dev tables?
Using DBT Cloud with BigQuery, I have a dataset called "production" where all the production DBT stuff goes, and another dataset called "sandbox" where DBT puts stuff that I run locally to test. It would be super convenient if I could somehow tel... | https://stackoverflow.com/questions/79501187/can-i-have-dbt-read-from-my-production-dataset-when-building-dev-tables | google-cloud-platform, google-bigquery, dbt, data-engineering, dbt-cloud | 1,741,704,729 |
se_79500128 | stackoverflow | DATA_ENGINEERING | Stored Procedure for dynamically comparing the count between the source schema tables and target schema tables in Snowflake | Stored Procedure for dynamically comparing the count between the source schema tables and target schema tables in Snowflake
I have written a stored procedure that will dynamically compare row counts between source and target tables in two different schemas and databases and iterate over all tables in a schema, compare... | https://stackoverflow.com/questions/79500128/stored-procedure-for-dynamically-comparing-the-count-between-the-source-schema-t | validation, snowflake-cloud-data-platform, data-engineering | 1,741,683,918 |
se_79467226 | stackoverflow | DATA_ENGINEERING | Is there any way to change profile.name for multiple pipelines in an automated way in Gcp DataFusion | Is there any way to change profile.name for multiple pipelines in an automated way in Gcp DataFusion
So I have to create a new profile in Data fusion on Google cloud, since we cannot edit existing profile configurations I want to point all my existing pipelines to that new profile.
I am aware how to do it manually by ... | https://stackoverflow.com/questions/79467226/is-there-any-way-to-change-profile-name-for-multiple-pipelines-in-an-automated-w | google-cloud-platform, cloud, virtual-machine, google-cloud-data-fusion, data-engineering | 1,740,500,630 |
se_79457785 | stackoverflow | DATA_ENGINEERING | Search Optimization Service Not Used With AND conjunction | Search Optimization Service Not Used With AND conjunction
I have a table in Snowflake with the following schema
{
id VARCHAR(100),
first_name VARCHAR(16777216),
last_name VARCHAR(16777216)
...
}
Then I enabled the search optimization on columns 'first_name' and 'last_name', as shown below:
ALTER TABLE person_sso ADD ... | https://stackoverflow.com/questions/79457785/search-optimization-service-not-used-with-and-conjunction | snowflake-cloud-data-platform, data-engineering | 1,740,150,074 |
se_79444877 | stackoverflow | DATA_ENGINEERING | Efficiently Migrating 40TB of BLOB Data from Oracle to a Scalable System | Efficiently Migrating 40TB of BLOB Data from Oracle to a Scalable System
I have a problem: I need to migrate 40TB of data from Oracle database (in .dmp format file) to my company database . The database contains only one table with two columns—one for the ID and the other for image data stored in BLOB format.
I am wri... | https://stackoverflow.com/questions/79444877/efficiently-migrating-40tb-of-blob-data-from-oracle-to-a-scalable-system | bigdata, etl, database-migration, data-migration, data-engineering | 1,739,782,644 |
se_79408437 | stackoverflow | DATA_ENGINEERING | Snowflake TASK got stuck in STARTED state | Snowflake TASK got stuck in STARTED state
I Created TASK like below
CREATE OR REPLACE TASK test_task
WAREHOUSE = TEST_WH
SCHEDULE = '1 MINUTE'
AS
BEGIN
CALL SP_TASKEXECUTION('CREATE_TABLE_PROC_NAME');
END;
I see task created and in suspended state. Now i ran ALTER TASK test_task to RESUME the task. Now im seeing the... | https://stackoverflow.com/questions/79408437/snowflake-task-got-stuck-in-started-state | sql, snowflake-cloud-data-platform, data-engineering | 1,738,577,457 |
se_79379788 | stackoverflow | DATA_ENGINEERING | Using config block in dbt_project.yml | Using config block in dbt_project.yml
I am trying to use dbt_project.yml to convert selective warnings to errors.In my use case, I would want to convert NoNodesForSelectionCriteria and NothingToDo warning to error.
For this, I am trying to use the code:
#dbt_project.yml
config:
warn_error : true
But I am getting ... | https://stackoverflow.com/questions/79379788/using-config-block-in-dbt-project-yml | database, dbt, data-engineering | 1,737,604,303 |
se_79393016 | stackoverflow | DATA_ENGINEERING | pyspark statistical window function keeps calculating NULL values | pyspark statistical window function keeps calculating NULL values
Here is my table showing all the columns. What I want to basically happen is to be able to take the closing_price column and calculate a at least the moving standard deviation of about 7 days
+------+---------------+-------------+-------------+---------... | https://stackoverflow.com/questions/79393016/pyspark-statistical-window-function-keeps-calculating-null-values | python, sql, pyspark, airflow, data-engineering | 1,738,049,132 |
se_79379832 | stackoverflow | DATA_ENGINEERING | Azure Databricks - notebook not found exception | Azure Databricks - notebook not found exception
For data ingestion we have delta live tables which helps us update data.
A workflow that runs a delta live table job to perform data ingestion.
I am getting this error saying unable to load notebook, but I don't understand why that is the case given that the notebook is ... | https://stackoverflow.com/questions/79379832/azure-databricks-notebook-not-found-exception | databricks, azure-databricks, data-engineering | 1,737,606,108 |
se_79323043 | stackoverflow | DATA_ENGINEERING | How to save data from kafka to iceberg table into desired namespace using tabular iceberg sink connector | How to save data from kafka to iceberg table into desired namespace using tabular iceberg sink connector
I am trying to build a cdc to replicate my mysql table to an iceberg table. My setup I have spun a redpanda server where I publish the data changes from mysql using kafka mysql source connector. After that I am try... | https://stackoverflow.com/questions/79323043/how-to-save-data-from-kafka-to-iceberg-table-into-desired-namespace-using-tabula | apache-kafka, apache-iceberg, data-engineering, nessie, redpanda-connect | 1,735,803,080 |
se_79288927 | stackoverflow | DATA_ENGINEERING | How to reverse engineer dashboard in ibm cognos? | How to reverse engineer dashboard in ibm cognos?
I have a dashboard created in IBM Cognos. I want to know from where data is coming to this dashboard and the logic behind those queries. Our organization has a data warehouse and data engineers have created some measures by using that warehouse. These measures and data ... | https://stackoverflow.com/questions/79288927/how-to-reverse-engineer-dashboard-in-ibm-cognos | reverse-engineering, cognos, data-engineering | 1,734,458,260 |
se_79312121 | stackoverflow | DATA_ENGINEERING | Using upstream Parameter to determine if downstream data aware DAG should run | Using upstream Parameter to determine if downstream data aware DAG should run
I would like to have the DAG scheduled to run if both the dataset table is updated and the upstream DAG has a param called kick_off_downstream_dag set to true:
# DAG definition
@dag(
start_date=pendulum.datetime(year=2023, month=1, day=1... | https://stackoverflow.com/questions/79312121/using-upstream-parameter-to-determine-if-downstream-data-aware-dag-should-run | airflow, directed-acyclic-graphs, data-engineering | 1,735,311,607 |
se_79294109 | stackoverflow | DATA_ENGINEERING | How to write custom logs into LAW using Azure OpenTelemetry in databrick notebook | How to write custom logs into LAW using Azure OpenTelemetry in databrick notebook
I have to maintain custom logs of azure ADB into Log Analytics Workspace.
Need to write custom logic using OpenTelemetry to store custom logs into LAW. | https://stackoverflow.com/questions/79294109/how-to-write-custom-logs-into-law-using-azure-opentelemetry-in-databrick-noteboo | azure, logging, open-telemetry, data-engineering | 1,734,607,783 |
se_79297940 | stackoverflow | DATA_ENGINEERING | Using data aware scheduling to trigger downstream dags while using metadata contained in extra parameter as parameters for downstream dag | Using data aware scheduling to trigger downstream dags while using metadata contained in extra parameter as parameters for downstream dag
I currently have 2 DAGs that contain the same parameter that can be set called run_date. I want the upstream DAG to trigger the downstream DAG using inlet and outlet Datasets which ... | https://stackoverflow.com/questions/79297940/using-data-aware-scheduling-to-trigger-downstream-dags-while-using-metadata-cont | airflow, directed-acyclic-graphs, airflow-taskflow, data-engineering | 1,734,714,588 |
se_79278068 | stackoverflow | DATA_ENGINEERING | Parallelising dlthub Rest API pipeline | Parallelising dlthub Rest API pipeline
I am trying to speed up the following dlt (dlthub) pipeline via parallelisation as shown in the documentation here: https://dlthub.com/docs/reference/performance#parallelism
Here is the original (NOT parallelised) code which works
source = rest_api_source({
"client": {
... | https://stackoverflow.com/questions/79278068/parallelising-dlthub-rest-api-pipeline | python, concurrency, parallel-processing, data-engineering, dlt | 1,734,087,632 |
se_79077092 | stackoverflow | DATA_ENGINEERING | Need to fix time zone issue for my Python, Pyspark processing job | Need to fix time zone issue for my Python, Pyspark processing job
I have database column in Postgres aurora “last_updated_timestamp” which is without timezone and has value “2024-08-01 00:00:00”
I am fetching that value using pyspark df when I do df.show()
It is showing same value :
2024-08-01 00:00:00.
For my use cas... | https://stackoverflow.com/questions/79077092/need-to-fix-time-zone-issue-for-my-python-pyspark-processing-job | python, pyspark, data-science, parquet, data-engineering | 1,728,629,835 |
se_79226321 | stackoverflow | DATA_ENGINEERING | Having Business Key in Kimball style fact tables | Having Business Key in Kimball style fact tables
Many Kimball style star schema articles suggest that not to have a BK in Fact tables, the grain/uniqueness of Fact tables are supposed to be maintained by the combined SKs from its Dimension tables.
Which really confuse me because in practice I saw many fact tables have... | https://stackoverflow.com/questions/79226321/having-business-key-in-kimball-style-fact-tables | data-modeling, datamodel, dimensional-modeling, data-engineering | 1,732,617,390 |
se_79216592 | stackoverflow | DATA_ENGINEERING | Azure DevOps Snowflake Automation | Azure DevOps Snowflake Automation
I want to trigger an Azure DevOps (ADO) pipeline based off of the timestamp of data in Snowflake.
If there is new data, trigger ADO pipeline, else keep monitoring until 12pm and if there is still no new data then trigger the pipeline anyways.
I have a list of dependencies (Snowflake t... | https://stackoverflow.com/questions/79216592/azure-devops-snowflake-automation | azure, azure-devops, snowflake-cloud-data-platform, data-engineering | 1,732,310,259 |
se_79201693 | stackoverflow | DATA_ENGINEERING | Copying File to Redshift from S3 Bucket | Copying File to Redshift from S3 Bucket
I am trying to move some data from a CSV in S3 to a Redshift table. The date column is giving me a hard time however.
When opened in a text editor, the date is formatted like this: "YYYY-MM-DD HH:MI:SS",
however when I open the file in excel, the formula bar lists the date as YY... | https://stackoverflow.com/questions/79201693/copying-file-to-redshift-from-s3-bucket | amazon-web-services, amazon-s3, amazon-redshift, data-integration, data-engineering | 1,731,972,350 |
se_79179293 | stackoverflow | DATA_ENGINEERING | Parallel, depth-first ops in Dagster with ops, graphs and jobs together | Parallel, depth-first ops in Dagster with ops, graphs and jobs together
(also posted on r/dagster)
Dagster N00b here.
I have a very specific use-case. My ETL executes the following steps:
Query a DB to get a list of CSV files
Go to a filesystem and for each CSV file:
load it into DuckDB
transform some columns to da... | https://stackoverflow.com/questions/79179293/parallel-depth-first-ops-in-dagster-with-ops-graphs-and-jobs-together | python, pipeline, duckdb, dagster, data-engineering | 1,731,363,202 |
se_79190072 | stackoverflow | DATA_ENGINEERING | Collecting / joining / waiting for parallel, depth-first ops in Dagster | Collecting / joining / waiting for parallel, depth-first ops in Dagster
After a much-appreciated assist from @zyd in this answer to parallel, deep-first execution in Dagster, I am now looking for a way to run an @op on the collected results of the graph run, or at least one that waits until they have all finished, sin... | https://stackoverflow.com/questions/79190072/collecting-joining-waiting-for-parallel-depth-first-ops-in-dagster | python, pipeline, duckdb, dagster, data-engineering | 1,731,609,821 |
se_79167031 | stackoverflow | DATA_ENGINEERING | Facing irregular format while extracting data from pdf invoice to transfer in excel file | Facing irregular format while extracting data from pdf invoice to transfer in excel file
I have a irregular format pdf invoice files with multiple pages. I want excel file in return with data extracted from pdf files. For this I write code with plumberpdf library in python but I am able to propely use regex to read an... | https://stackoverflow.com/questions/79167031/facing-irregular-format-while-extracting-data-from-pdf-invoice-to-transfer-in-ex | python, pandas, python-re, pdfplumber, data-engineering | 1,730,991,840 |
se_79174737 | stackoverflow | DATA_ENGINEERING | Error when Reading a large JSON file using Databricks Pyspark - how to process a large json file | Error when Reading a large JSON file using Databricks Pyspark - how to process a large json file
I am new to Databricks and would appreciate any help :)
I am using Databricks for an ELT project to read from Blob storage
transform the data to Dataframes,
and write the data to another blob storage(in essence a Lighthous... | https://stackoverflow.com/questions/79174737/error-when-reading-a-large-json-file-using-databricks-pyspark-how-to-process-a | json, databricks, azure-databricks, data-engineering | 1,731,237,132 |
se_79135993 | stackoverflow | DATA_ENGINEERING | Convert Easting Northing Coordinates to Latitude and Longitude in Scala/Spark with EPSG Coordinate Transformation | Convert Easting Northing Coordinates to Latitude and Longitude in Scala/Spark with EPSG Coordinate Transformation
I’m working on a project in Scala and Apache Spark where I need to convert coordinates from Easting/Northing (EPSG:27700) to Latitude/Longitude (EPSG:4326). I have a Python script that uses in built librar... | https://stackoverflow.com/questions/79135993/convert-easting-northing-coordinates-to-latitude-and-longitude-in-scala-spark-wi | python, scala, apache-spark, latitude-longitude, data-engineering | 1,730,181,944 |
se_79085304 | stackoverflow | DATA_ENGINEERING | incremental load from Snowflake to ADLS using ADF | incremental load from Snowflake to ADLS using ADF
I'm currently working on a project involving incremental data loading from Snowflake to Azure Data Lake Storage (ADLS) using Azure Data Factory (ADF). However, I’ve encountered some challenges that I could use your expertise on.
Approach 1:
I attempted to implement a p... | https://stackoverflow.com/questions/79085304/incremental-load-from-snowflake-to-adls-using-adf | azure, snowflake-cloud-data-platform, azure-data-factory, data-engineering | 1,728,893,859 |
se_79119369 | stackoverflow | DATA_ENGINEERING | Unable to use or list the mount points in databricks after enabling unity catalog | Unable to use or list the mount points in databricks after enabling unity catalog
I have a databricks workspace where I have mounted my azure storage containers but after enabling unity catalog I am unable to list the mount points using dbutils.fs.ls('/mnt/') unless until I have the admin access.
I have multiple scrip... | https://stackoverflow.com/questions/79119369/unable-to-use-or-list-the-mount-points-in-databricks-after-enabling-unity-catalo | azure, databricks, azure-storage, databricks-unity-catalog, data-engineering | 1,729,710,129 |
se_79112168 | stackoverflow | DATA_ENGINEERING | Append filename if already exists using ADF | Append filename if already exists using ADF
I am uploading file/s from SFTP to ADLS synapse. If the filename is already exists in adls, I want it to append or increment.
Ex.
Employee_213.parquet (in ADLS synapse)
And I am uploading with the same filename, my expected filename will be:
Employee_213_1.parquet
what i hav... | https://stackoverflow.com/questions/79112168/append-filename-if-already-exists-using-adf | azure-data-factory, sftp, data-engineering | 1,729,560,142 |
se_79091957 | stackoverflow | DATA_ENGINEERING | How to deal with special characters in a dataframe | How to deal with special characters in a dataframe
I have a csv file where I have some columns of type string where the special characters have strange crackers or letters. For example, for españa, I have espa¿a. For algodón, I have algod¿on. There is any effective ideas that I could use to fix this words with special... | https://stackoverflow.com/questions/79091957/how-to-deal-with-special-characters-in-a-dataframe | python, pyspark, data-engineering | 1,729,031,929 |
se_79089597 | stackoverflow | DATA_ENGINEERING | How to upload latest file from SFTP in azure synapse using ADF | How to upload latest file from SFTP in azure synapse using ADF
I have 2 set of pairs of xlsx and pdf files in SFTP that need to upload in azure synape using ADF. I need to upload first the latest pair of file dumped in SFTP folder then after that just rerun the pipeline to get the next pair latest file.
Employee_81.xs... | https://stackoverflow.com/questions/79089597/how-to-upload-latest-file-from-sftp-in-azure-synapse-using-adf | azure-data-factory, sftp, azure-synapse, data-engineering | 1,728,989,538 |
se_79055909 | stackoverflow | DATA_ENGINEERING | How to generate/find dataset of global cities in multiple languages? | How to generate/find dataset of global cities in multiple languages?
I'm trying to create a global city dataset in multiple languages. I found a few approaches, but none seem reliable enough. Looking for free/cheap solutions. Below is an ideal example of CSV data I'd like to achieve:
country_en,state_en,county_en,name... | https://stackoverflow.com/questions/79055909/how-to-generate-find-dataset-of-global-cities-in-multiple-languages | database, csv, dataset, data-engineering | 1,728,078,899 |
se_79062903 | stackoverflow | DATA_ENGINEERING | State and Timers are not working as expected in Apache Beam | State and Timers are not working as expected in Apache Beam
I have this code snippet.
class UserAccessInfo(beam.DoFn):
# State to store the access data for a user during the day
ACCESS_STATE = BagStateSpec('access_state', StrUtf8Coder())
CLEAR_TIMER = TimerSpec('clear', TimeDomain.REAL_TIME)
def proce... | https://stackoverflow.com/questions/79062903/state-and-timers-are-not-working-as-expected-in-apache-beam | python, apache-flink, apache-beam, apache-beam-io, data-engineering | 1,728,320,263 |
se_79061889 | stackoverflow | DATA_ENGINEERING | How to avoid changing date format columns from xlsx file to synapse parquet using SFTP | How to avoid changing date format columns from xlsx file to synapse parquet using SFTP
I have xlsx file with these columns:
Vendor_ID
Vendor_Name
Vendor_Birthday
SMCAI_01
Ely Cruz
08/06/1984
SMCAI_02
Luzvi Ching
11/12/1969
SMCAI_03
Lucy Ford
01/03/1991
However, after copying the file to synapse table, th... | https://stackoverflow.com/questions/79061889/how-to-avoid-changing-date-format-columns-from-xlsx-file-to-synapse-parquet-usin | pyspark, sftp, azure-databricks, data-engineering | 1,728,302,845 |
se_79048305 | stackoverflow | DATA_ENGINEERING | How can we identify which column name got renamed in a dataframe? | How can we identify which column name got renamed in a dataframe?
Suppose, I;m getting a dataframe with cols - [A,B,C] everyday. Suddenly, next day one of the column got renamed to 'D'.
How can I identify which column got renamed to D? Can we compare data and say which column got renamed?
I tried working with Fuzzy ma... | https://stackoverflow.com/questions/79048305/how-can-we-identify-which-column-name-got-renamed-in-a-dataframe | python, dataframe, pyspark, databricks, data-engineering | 1,727,899,560 |
se_79041018 | stackoverflow | DATA_ENGINEERING | Xcom in sparksubmit operator | Xcom in sparksubmit operator
Do we have the capability to push data to xcom from within a Spark application that is using sparksubmit operator?
Is this something that is available in the latest version?
Using airflow 2.5.3. Don't see the operator having any functionality as yet. Is using a custom operator by adding th... | https://stackoverflow.com/questions/79041018/xcom-in-sparksubmit-operator | apache-spark, airflow, data-engineering | 1,727,730,215 |
se_78994585 | stackoverflow | DATA_ENGINEERING | How to use Pandera to cross check if some substrings in one column are present in other column? | How to use Pandera to cross check if some substrings in one column are present in other column?
I have a Pandas DataFrameSchema like this:
Schema = DataFrameSchema(
columns={
'Complete_Name': Column(name='Complete_Name', dtype='string', nullable=True),
'Surname': Column(name='Surname', dtype='string... | https://stackoverflow.com/questions/78994585/how-to-use-pandera-to-cross-check-if-some-substrings-in-one-column-are-present-i | python, pandas, validation, pandera, data-engineering | 1,726,584,101 |
se_78985001 | stackoverflow | DATA_ENGINEERING | Executor going OOM if cardinality of .partitionBy columns is 1 in Scala-Spark Job | Executor going OOM if cardinality of .partitionBy columns is 1 in Scala-Spark Job
Problem Statement: I have an s3 path that contains json .bin.gz data in dt and hr partitioned format. For a single day it contains 2B+ records and the compressed size is around 200GB. So uncompressed it might exceed 500GB. I am reading i... | https://stackoverflow.com/questions/78985001/executor-going-oom-if-cardinality-of-partitionby-columns-is-1-in-scala-spark-jo | apache-spark, kubernetes, data-engineering | 1,726,313,492 |
se_78939686 | stackoverflow | DATA_ENGINEERING | Airflow Task is getting skipped instead of failure | Airflow Task is getting skipped instead of failure
In this code, task this_will_skip has a bash command
echo hello world; exit 99;
Which should result in the failure of task
But the task is getting skipped
& the task which should run after this_will_skip also gets skipped.
Task 'this_will_skip' should fail | https://stackoverflow.com/questions/78939686/airflow-task-is-getting-skipped-instead-of-failure | airflow, airflow-2.x, data-engineering | 1,725,268,059 |
se_78923588 | stackoverflow | DATA_ENGINEERING | Argo workflow retry a workflow using rest service | Argo workflow retry a workflow using rest service
I am trying to rerun an Argo Workflow through REST endpoint call. However it says it is Not implemented. Does anyone know how to get around this? And when would this be implemented? As per apidocs.
The below should be the endpoint.
e.g.
curl https://localhost:2746/api/... | https://stackoverflow.com/questions/78923588/argo-workflow-retry-a-workflow-using-rest-service | python, argo-workflows, argo, data-engineering | 1,724,851,501 |
se_79993870 | stackoverflow | DATA_ENGINEERING | Get value from dataframe transformation with regex | Get value from dataframe transformation with regex
I'm having difficulties to transform rows from dataframe with PHP Flow library.
Trying to combine fields with opertion to have a new entry :
field[postal_code].field[name]
But the type of the operation to get postal code is Regex and wanted just the array found.
the ... | https://stackoverflow.com/questions/79993870/get-value-from-dataframe-transformation-with-regex | php, dataframe, etl | 1,786,638,035 |
se_55052627 | stackoverflow | DATA_ENGINEERING | How to solve "Runtime error Exception has been thrown by the target of an invocation" Am I missing a DLL file? | How to solve "Runtime error Exception has been thrown by the target of an invocation" Am I missing a DLL file?
I'm doing some testing which outputs the full result set into script task (display messagebox) from Execute SQL Task using Foreach loop Container. but running into DTS Script task: runtime error.
E... | https://stackoverflow.com/questions/55052627/how-to-solve-runtime-error-exception-has-been-thrown-by-the-target-of-an-invoca | c#, sql-server, ssis, etl, script-task | 1,551,992,029 |
se_58412472 | stackoverflow | DATA_ENGINEERING | Feasibilty analysis of data transformation using any ETL tool | Feasibilty analysis of data transformation using any ETL tool
I don't have any experience on any ETL tool. However I want to know if it is possible to do the followings using any ETL tool or we need to write a java or any other batch job to do this:
Scenario 1:
The source system has different REST APIs. I need to get... | https://stackoverflow.com/questions/58412472/feasibilty-analysis-of-data-transformation-using-any-etl-tool | etl, informatica, informatica-powercenter, oracle-data-integrator, ibm-infosphere | 1,571,226,133 |
se_79963061 | stackoverflow | DATA_ENGINEERING | Set up analytic infrastructure | Set up analytic infrastructure
I'm new to ETL and BI.
I have several web applications with multiple databases.
I need to set up analytics dashboards for end users that will display aggregated and raw data from multiple application databases. The dashboards themselves will be simple and as static as possible, allowing ... | https://stackoverflow.com/questions/79963061/set-up-analytic-infrastructure | etl, dashboard, data-warehouse, business-intelligence | 1,781,859,208 |
se_32206780 | stackoverflow | DATA_ENGINEERING | The connection manager will not acquire a connection because the connection manager OfflineMode property is TRUE | The connection manager will not acquire a connection because the connection manager OfflineMode property is TRUE
I am trying to store connections in the configuration table, but getting the below errors. SSIS is not configured as Offline mode.
An error has occurred while connecting Oracle Server: Exception from
HRES... | https://stackoverflow.com/questions/32206780/the-connection-manager-will-not-acquire-a-connection-because-the-connection-mana | oracle-database, ssis, etl | 1,440,512,927 |
se_48389963 | stackoverflow | DATA_ENGINEERING | SSIS Package stopped working with Error code: 0x80004005 | SSIS Package stopped working with Error code: 0x80004005
I got this SSIS package working this past December. It only runs on Friday mornings. Last Friday it failed with this error message:
Package:Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is ... | https://stackoverflow.com/questions/48389963/ssis-package-stopped-working-with-error-code-0x80004005 | sql-server, excel, ssis, etl | 1,516,653,951 |
se_21684209 | stackoverflow | DATA_ENGINEERING | delete worksheet from .xlsm file | delete worksheet from .xlsm file
I am trying to delete a named Worksheet from an .xlsm file.
I followed the example posted here but it is not working for me. When I open the .xlsm file to check whether the Worksheet has been deleted, it is still there.
Here is my code:
$file2 = 'c:\file.xlsm' # destination's fullpa... | https://stackoverflow.com/questions/21684209/delete-worksheet-from-xlsm-file | excel, powershell, etl | 1,392,053,989 |
se_67219157 | stackoverflow | DATA_ENGINEERING | Talend Open Studio - an error (sun.misc.Unsafe.defineClass(java.lang.String,[B,int,int,java.lang.ClassLoader,java.security.ProtectionDomain)) | Talend Open Studio - an error (sun.misc.Unsafe.defineClass(java.lang.String,[B,int,int,java.lang.ClassLoader,java.security.ProtectionDomain))
For first launch Talend Open Studio have an error
java.lang.NoSuchMethodException: sun.misc.Unsafe.defineClass(java.lang.String,[B,int,int,java.lang.ClassLoader,java.security.Pr... | https://stackoverflow.com/questions/67219157/talend-open-studio-an-error-sun-misc-unsafe-defineclassjava-lang-string-b-i | java, etl, talend, java-11, java-16 | 1,619,117,406 |
se_78634700 | stackoverflow | DATA_ENGINEERING | Which is better approach SSIS SOURCE XML Component or SQL OPENXML? | Which is better approach SSIS SOURCE XML Component or SQL OPENXML?
I need to know which is better approach to down load nested XML into tables. Is SSIS package inbuilt XML SOURCE or OPENXML?
I have tried n=both the ways, SSIS component takes long time to downlaod date into tables where is OPENXML is vey quick. | https://stackoverflow.com/questions/78634700/which-is-better-approach-ssis-source-xml-component-or-sql-openxml | xml, ssis, components, etl, sql-openxml | 1,718,658,866 |
se_73377036 | stackoverflow | DATA_ENGINEERING | How to ETL my PostgreSQL data into a ClickHouse datawarehouse? | How to ETL my PostgreSQL data into a ClickHouse datawarehouse?
I have data stored in postgreSQL as data source and I want to load dimensions and fact tables of the clickhouse datawarehouse , I am new to clickhouse and used to use traditional integration tools like Talend and Microsoft SSIS to perform ETL
(PS i'm using... | https://stackoverflow.com/questions/73377036/how-to-etl-my-postgresql-data-into-a-clickhouse-datawarehouse | postgresql, etl, data-warehouse, business-intelligence, clickhouse | 1,660,666,102 |
se_60380425 | stackoverflow | DATA_ENGINEERING | SSIS filter ADO .NET source query based on results from another query | SSIS filter ADO .NET source query based on results from another query
A newbie to SSIS here, so if you are able to help.. please add as much detail to your answer as possible :)
My goal is to be able to parameterise my ADO.NET source based of values already in a table in my destination database.
I've managed to test t... | https://stackoverflow.com/questions/60380425/ssis-filter-ado-net-source-query-based-on-results-from-another-query | sql-server, ssis, etl, ado, ssis-2017 | 1,582,562,697 |
se_56496440 | stackoverflow | DATA_ENGINEERING | Writing a case expression in SSIS | Writing a case expression in SSIS
I'm setting up a package to import an Excel spreadsheet into a SQL database. There is a column in the spreadsheet where I would like to pick out keywords and then put them in a new column. In SQL it would be like a basic case expression
case when column_A like '%Norwich%' then 'Norwi... | https://stackoverflow.com/questions/56496440/writing-a-case-expression-in-ssis | sql, sql-server, ssis, expression, etl | 1,559,918,400 |
se_74562441 | stackoverflow | DATA_ENGINEERING | ETL Mapping LOINC vocabulary on OMOP Common Data Model | ETL Mapping LOINC vocabulary on OMOP Common Data Model
I am working on the lab test values mapping (MEASUREMENT table of the OMOP CDM).
My local mapping table (handmade) has my measurement name (in French) and the associated LOINC code.
The LOINC vocabulary has been loaded from Athena (OHDSI community tool) https://at... | https://stackoverflow.com/questions/74562441/etl-mapping-loinc-vocabulary-on-omop-common-data-model | postgresql, etl, vocabulary, ohdsi-omop | 1,669,300,733 |
se_63360087 | stackoverflow | DATA_ENGINEERING | Case expression derived column | Case expression derived column
I have an Excel source in SSIS, I need to create a case expression based on one of the columns [Teacher].
But as a derived column (as it does not work in the SQL statement)
The normal SQL would be
CASE WHEN [Teacher] LIKE '%A%' THEN [Teacher] ELSE NULL END AS [Teacher]
I have tried to l... | https://stackoverflow.com/questions/63360087/case-expression-derived-column | sql, sql-server, ssis, etl, derived-column | 1,597,155,419 |
se_48351126 | stackoverflow | DATA_ENGINEERING | OData Source Component in SSIS Not Connecting | OData Source Component in SSIS Not Connecting
This is a follow-on from a previous question: OData Source Component in SSIS Hanging
Setup
I'm using SSIS in Visual Studio 2015 (17.4) and would like to pull in the public NADAC data from this page using the OData connection: https://data.medicaid.gov/Drug-Pricing-and-Pa... | https://stackoverflow.com/questions/48351126/odata-source-component-in-ssis-not-connecting | sql-server, ssis, odata, etl | 1,516,405,710 |
se_79947133 | stackoverflow | DATA_ENGINEERING | ETL flow tool like in Databricks | ETL flow tool like in Databricks
Is there any ETL tool like ADF that can be integrated with Jupyter lab? Like we have in Databricks where we can have scheduler and other tools like we have in ADF for filter, join or condition.
I know that there a community edition of Databricks available but I already have Jupyter ins... | https://stackoverflow.com/questions/79947133/etl-flow-tool-like-in-databricks | python, azure, jupyter-notebook, databricks, etl | 1,779,858,549 |
se_56353553 | stackoverflow | DATA_ENGINEERING | Flat File Destination Failed the pre-execute phase. Cannot open the datafile | Flat File Destination Failed the pre-execute phase. Cannot open the datafile
I am executing a SSIS Package from a C# WinForm project. It executes and runs about halfway when it tries to create/write a file (An Expression in the Flat File Manager).
When I check the SSISDB Catalog on the SQL Server, I see the following... | https://stackoverflow.com/questions/56353553/flat-file-destination-failed-the-pre-execute-phase-cannot-open-the-datafile | c#, sql-server, winforms, ssis, etl | 1,559,107,144 |
se_54856162 | stackoverflow | DATA_ENGINEERING | Invalid character value for cast specification error occurred when mapping column of type DT_DBTIMESTAMP2 to datetime2 in SQL Server | Invalid character value for cast specification error occurred when mapping column of type DT_DBTIMESTAMP2 to datetime2 in SQL Server
I'm creating an SSIS package to import a CSV file into a table. Currently I'm importing a flat file, creating a derived column, performing a data conversion, and then loading that to the... | https://stackoverflow.com/questions/54856162/invalid-character-value-for-cast-specification-error-occurred-when-mapping-colum | sql-server, datetime, ssis, visual-studio-2017, etl | 1,551,039,756 |
se_50183775 | stackoverflow | DATA_ENGINEERING | How to write aws glue file output to a specific name | How to write aws glue file output to a specific name
I have an aws glue python job which joins two Aurora tables and writes/sinks output to s3 bucket as json format. The job is working fine as expected. By default the output file is written to s3 bucket in this name format/pattern "run-123456789-part-r-00000" [Behind ... | https://stackoverflow.com/questions/50183775/how-to-write-aws-glue-file-output-to-a-specific-name | python, apache-spark, pyspark, etl, aws-glue | 1,525,472,446 |
se_19776364 | stackoverflow | DATA_ENGINEERING | System.ArgumentException: Object is not an ADODB.RecordSet or an ADODB.Record | System.ArgumentException: Object is not an ADODB.RecordSet or an ADODB.Record
I used the code below to fill a data table -
OleDbDataAdapter oleDA = new OleDbDataAdapter();
DataTable dt = new DataTable();
oleDA.Fill(dt, Dts.Variables["My_Result_Set"].Value);
I get the error -
Error: System.Reflection.TargetInvo... | https://stackoverflow.com/questions/19776364/system-argumentexception-object-is-not-an-adodb-recordset-or-an-adodb-record | c#, ssis, .net-3.5, etl | 1,383,596,364 |
se_74632398 | stackoverflow | DATA_ENGINEERING | Improving insert query for SCD2 solution | Improving insert query for SCD2 solution
I have two insert statements. The first query is to insert a new row if the id doesn't exist in the target table. The second query inserts to the target table only if the joined id hash value is different (indicates that the row has been updated in the source table) and the id ... | https://stackoverflow.com/questions/74632398/improving-insert-query-for-scd2-solution | sql, sql-server, t-sql, etl, data-warehouse | 1,669,831,989 |
se_79911155 | stackoverflow | DATA_ENGINEERING | “IBM DataStage: Sequential File stage fails due to delimiter inside quoted fields | “IBM DataStage: Sequential File stage fails due to delimiter inside quoted fields
The issue is due to delimiter characters appearing within quoted fields in the source file. DataStage is interpreting those delimiters as actual column separators, causing a mismatch in column count during validation.The columns are RCP ... | https://stackoverflow.com/questions/79911155/ibm-datastage-sequential-file-stage-fails-due-to-delimiter-inside-quoted-field | oracle-database, etl, datastage | 1,773,994,452 |
se_79918572 | stackoverflow | DATA_ENGINEERING | Should I use async to ensure data is returned from db call | Should I use async to ensure data is returned from db call
I have this function called BulkCopyIntoTable which filters a datatable and based off the max integer of the table im inserting into and inserts data that is greater than that integer. I use the integer returned (number of records inserted) to send an email wi... | https://stackoverflow.com/questions/79918572/should-i-use-async-to-ensure-data-is-returned-from-db-call | c#, asynchronous, async-await, etl | 1,775,065,684 |
se_79884813 | stackoverflow | DATA_ENGINEERING | Fetching large datasets from SAP HANA using hdbcli in Python is very slow | Fetching large datasets from SAP HANA using hdbcli in Python is very slow
I am trying to fetch data from an SAP HANA database using Python. I am using the hdbcli library to connect to HANA and pandas to read the data. The main requirement of my use case is to efficiently fetch large datasets from SAP HANA using batch ... | https://stackoverflow.com/questions/79884813/fetching-large-datasets-from-sap-hana-using-hdbcli-in-python-is-very-slow | python, pandas, etl, hana | 1,770,459,341 |
se_76008180 | stackoverflow | DATA_ENGINEERING | Trying to read a large csv with polars | Trying to read a large csv with polars
I'm trying to read a large file (1,4GB pandas isn't workin) with the following code:
base = pl.read_csv(file, encoding='UTF-16BE', low_memory=False, use_pyarrow=True)
base.columns
But in the output is all messy with lots os \x00 between every lettter.
What can i do, this is kill... | https://stackoverflow.com/questions/76008180/trying-to-read-a-large-csv-with-polars | python, csv, etl, python-polars | 1,681,406,110 |
se_79861730 | stackoverflow | DATA_ENGINEERING | Teradata ETL view Migration from Hadoop | Teradata ETL view Migration from Hadoop
We have been using tdch approach for data loading from hadoop to teradata but now looking to load into a teradata view from Hadoop csv tables, I've tried batch insert using tdch but that is failing as it needs a table in td, is there any way we can achieve this not necessarily t... | https://stackoverflow.com/questions/79861730/teradata-etl-view-migration-from-hadoop | hadoop, etl, teradata | 1,767,711,500 |
se_22000249 | stackoverflow | DATA_ENGINEERING | transfer DATA between Excel worksheets without sending the actual worksheet template | transfer DATA between Excel worksheets without sending the actual worksheet template
How can I transfer DATA between Excel worksheets without sending the actual worksheet template?
The source is .xls; the desination is .xlsm.
I have a powershell script that transfers a worksheet from the source to the destination an... | https://stackoverflow.com/questions/22000249/transfer-data-between-excel-worksheets-without-sending-the-actual-worksheet-temp | excel, powershell, automation, etl | 1,393,280,056 |
se_79878399 | stackoverflow | DATA_ENGINEERING | How to model and track monthly snapshot data in PostgreSQL when no natural key exists? | How to model and track monthly snapshot data in PostgreSQL when no natural key exists?
Problem
I’m loading a monthly snapshot dataset into PostgreSQL where the source does not provide a stable natural key for one of the entities.
The dataset is similar to the Brazilian CNPJ sócios (partners) table:
Each month is a fu... | https://stackoverflow.com/questions/79878399/how-to-model-and-track-monthly-snapshot-data-in-postgresql-when-no-natural-key-e | postgresql, etl, data-modeling, data-engineering | 1,769,654,967 |
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