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se_79832098 | stackoverflow | DATA_ENGINEERING | How can I set up an ETL process for DataFrames (dbt or alternative tools)? | How can I set up an ETL process for DataFrames (dbt or alternative tools)?
Question: I'm currently working on a dashboard prototype and storing data from a 22-page PDF document as 22 separate DataFrames. These DataFrames should undergo an ETL process (especially data type conversions) on every import before being writ... | https://stackoverflow.com/questions/79832098/how-can-i-set-up-an-etl-process-for-dataframes-dbt-or-alternative-tools | python, sqlite, etl, transformation, dbt | 1,764,279,451 |
se_54658542 | stackoverflow | DATA_ENGINEERING | SSIS custom task is not registered for use on this computer error | SSIS custom task is not registered for use on this computer error
I am setting up a new laptop (win10, old one was win7). At my shop, we use a custom task in most of our SSIS packages. When I open an existing package using this task I get an error:
TITLE: Microsoft Visual Studio
The task with the name "Log ... | https://stackoverflow.com/questions/54658542/ssis-custom-task-is-not-registered-for-use-on-this-computer-error | sql-server, ssis, sql-server-2012, task, etl | 1,550,004,811 |
se_78697587 | stackoverflow | DATA_ENGINEERING | AWS MWAA -- dags not appearing in Airflow UI | AWS MWAA -- dags not appearing in Airflow UI
I have created an AWS MWAA environment and correctly pointed it to an S3 bucket as well as an "dags" folder inside the S3 bucket.
I have created a simple dag file (python) and added it to my /dags/ directory (configured in my mwaa configurations).
However, when I open the A... | https://stackoverflow.com/questions/78697587/aws-mwaa-dags-not-appearing-in-airflow-ui | python, amazon-web-services, airflow, cloud, etl | 1,719,929,201 |
se_79855899 | stackoverflow | DATA_ENGINEERING | T-SQL ETL update evaluation recommendation: What is the most elegant & performative way to evaluate a source value to update a target value? | T-SQL ETL update evaluation recommendation: What is the most elegant & performative way to evaluate a source value to update a target value?
What recommendations might be offered for the most elegant and performative way with T-SQL to evaluate whether a source value should update a target value, as part of an ETL ... | https://stackoverflow.com/questions/79855899/t-sql-etl-update-evaluation-recommendation-what-is-the-most-elegant-performat | sql-server, t-sql, etl | 1,766,858,746 |
se_79851748 | stackoverflow | DATA_ENGINEERING | AWS Glue PySpark job taking 4 hours to process small JSON files from S3 | AWS Glue PySpark job taking 4 hours to process small JSON files from S3
I have an AWS Glue job that processes thousands of small JSON files from S3 (historical data load for Adobe Experience Platform). The job is taking approximately 4 hours to complete, which is unacceptable for our use case.
Current approach:
python... | https://stackoverflow.com/questions/79851748/aws-glue-pyspark-job-taking-4-hours-to-process-small-json-files-from-s3 | amazon-s3, pyspark, boto3, etl, aws-glue | 1,766,232,492 |
se_73215831 | stackoverflow | DATA_ENGINEERING | How to integrate PHP job in airflow? | How to integrate PHP job in airflow?
Can we run PHP Job with Airflow ? i try many methods and search for reference, but most of them make connection with PostgreSQL and easy to connect by setting it in airflow connection || My PHP Job have data from 2 different Docker Port database || I try to run the job in docker te... | https://stackoverflow.com/questions/73215831/how-to-integrate-php-job-in-airflow | php, docker, airflow, etl | 1,659,495,330 |
se_79754987 | stackoverflow | DATA_ENGINEERING | Power Query – Cancel last N positives based on N negatives | Power Query – Cancel last N positives based on N negatives
I have a table in Power Query like this:
PO - Purchase Order
SID - Ship ID
QTY - Quantity
PO
SID
QTY
1001
A001
2000
1001
A001
2000
1001
A001
-2000 (This line cancel the previous one)
1002
A002
3000
1002
A002
-3000
1003
A003
1000
1003
A003
10... | https://stackoverflow.com/questions/79754987/power-query-cancel-last-n-positives-based-on-n-negatives | excel, powerquery, etl, m | 1,756,924,777 |
se_65150191 | stackoverflow | DATA_ENGINEERING | Installation and training IBM Data Stage by a newbie | Installation and training IBM Data Stage by a newbie
My boss wants to give me a project in IBM Data Stage to work on it. So I've started do know and understand DataStage. Which links do you recommend to download. And do you know any site that has a good free tutorial? | https://stackoverflow.com/questions/65150191/installation-and-training-ibm-data-stage-by-a-newbie | websphere, etl, datastage | 1,607,113,263 |
se_79822318 | stackoverflow | DATA_ENGINEERING | Why are my data quality validation rules not triggering for null values in my dataset? | Why are my data quality validation rules not triggering for null values in my dataset?
I’m working on a data quality workflow where I validate incoming records for null or missing values.
Even when a column clearly contains nulls, my rule doesn’t trigger and the record passes validation.
Here’s the logic I’m using:
CA... | https://stackoverflow.com/questions/79822318/why-are-my-data-quality-validation-rules-not-triggering-for-null-values-in-my-da | sql, validation, etl, data-cleaning, data-quality | 1,763,384,132 |
se_70569638 | stackoverflow | DATA_ENGINEERING | How to persist column descriptions in BigQuery tables | How to persist column descriptions in BigQuery tables
I have created models in my dbt(data build tool) where I have specified column description. In my dbt_project.yml file as shown below
models:
sakila_dbt_project:
# Applies to all files under models/example/
+persist_docs:
relation: true
... | https://stackoverflow.com/questions/70569638/how-to-persist-column-descriptions-in-bigquery-tables | google-bigquery, yaml, etl, dbt | 1,641,232,368 |
se_56664337 | stackoverflow | DATA_ENGINEERING | Is it possible to pass null value when the table is not present in the source database | Is it possible to pass null value when the table is not present in the source database
I am trying to make a Dataflow Task which can be used by various clients. Here I am using two oledb commands to fetch values from two similar tables and ingest it in one staging table. When the client has both the tables, the compon... | https://stackoverflow.com/questions/56664337/is-it-possible-to-pass-null-value-when-the-table-is-not-present-in-the-source-da | sql, sql-server, ssis, etl, msbi | 1,560,936,313 |
se_65298106 | stackoverflow | DATA_ENGINEERING | Resolve this error I am getting in this SSIS Package? | Resolve this error I am getting in this SSIS Package?
So I created an SSIS package that retrieves a dataset through a SQL query, then converts the data type, puts the data through a lookup so that only new records are inserted, and finally the lookup inserts the data into the destination database. However I am getting... | https://stackoverflow.com/questions/65298106/resolve-this-error-i-am-getting-in-this-ssis-package | sql, sql-server, ssis, etl | 1,607,989,537 |
se_79801472 | stackoverflow | DATA_ENGINEERING | DataStage XML export modified via Python — new stage not appearing after re-import | DataStage XML export modified via Python — new stage not appearing after re-import
I’m working with IBM InfoSphere DataStage 11.7.
I exported several jobs as XML files using istool export.
Then, using a Python script, I modified the XML to add another database stage in parallel to an existing one (essentially duplicat... | https://stackoverflow.com/questions/79801472/datastage-xml-export-modified-via-python-new-stage-not-appearing-after-re-impo | xml, automation, etl, datastage, ibm-infosphere | 1,761,542,389 |
se_79800253 | stackoverflow | DATA_ENGINEERING | Why aren’t my changes reflected after modifying and reimporting an IBM DataStage job XML export? | Why aren’t my changes reflected after modifying and reimporting an IBM DataStage job XML export?
I’m trying to programmatically modify IBM DataStage jobs to add a new database connector stage in parallel to an existing Database stage.
Here’s my workflow:
Export a job from DataStage Designer as an XML file.
Use a Pyth... | https://stackoverflow.com/questions/79800253/why-aren-t-my-changes-reflected-after-modifying-and-reimporting-an-ibm-datastage | xml, automation, etl, datastage, ibm-infosphere | 1,761,504,764 |
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_79799479 | stackoverflow | DATA_ENGINEERING | Using Prefect with FastAPI is still displaying old logs | Using Prefect with FastAPI is still displaying old logs
I tried using Prefect with FastAPI project. Then when I updated logs and redeployed the repo as well as Prefect deployments and flows. It runs and displays the logs (Basically , Prefect is still pointed to older snapshot of github repo. I tried implementing below... | https://stackoverflow.com/questions/79799479/using-prefect-with-fastapi-is-still-displaying-old-logs | python, git, fastapi, etl, prefect | 1,761,392,308 |
se_68931177 | stackoverflow | DATA_ENGINEERING | Pentaho PDI 9.2 will not launch | Pentaho PDI 9.2 will not launch
I have been PDI for years and I have been using PDI 9.1 since its release. I recently loaded PDI 9.2 and on launching spoon.bat, the windows dialog opens shows where context with the commands but then the application terminates. No error messages after launching, just nothing.
I have be... | https://stackoverflow.com/questions/68931177/pentaho-pdi-9-2-will-not-launch | etl, pentaho, pdi | 1,629,937,588 |
se_79776739 | stackoverflow | DATA_ENGINEERING | How to use data pre-computed in previous ETL SSIS Nodes? | How to use data pre-computed in previous ETL SSIS Nodes?
I'm building ETL packages in SSIS. My data comes from an OLE DB Source that calls a stored procedure in SQL Server. I want to add a new Lookup (or a similar transformation) that uses some of the input columns returned by the stored procedure to run additional SQ... | https://stackoverflow.com/questions/79776739/how-to-use-data-pre-computed-in-previous-etl-ssis-nodes | sql-server, ssis, etl, data-warehouse | 1,758,974,877 |
se_61083424 | stackoverflow | DATA_ENGINEERING | SSIS Catalog Package error - Version of FlatFile destination not compatible with version of DataFlow | SSIS Catalog Package error - Version of FlatFile destination not compatible with version of DataFlow
I'm getting the following error:
The version of flat file destination is not compatible with this version of the DataFlow.
when trying to execute an SSIS package from the catalog. The package executes well from Visua... | https://stackoverflow.com/questions/61083424/ssis-catalog-package-error-version-of-flatfile-destination-not-compatible-with | sql-server, visual-studio, ssis, ssms, etl | 1,586,272,665 |
se_79762095 | stackoverflow | DATA_ENGINEERING | Unable to start worker on prefect - httpx.connecterror: all connection attempts failed | Unable to start worker on prefect - httpx.connecterror: all connection attempts failed
I have started prefect server on Remote Desktop using
prefect server start —-host 0.0.0.0 —-port 8080
After this I am able to access the UI from different computers present on this network. I create a default worker pool from the UI... | https://stackoverflow.com/questions/79762095/unable-to-start-worker-on-prefect-httpx-connecterror-all-connection-attempts | python, etl, prefect | 1,757,603,351 |
se_65636527 | stackoverflow | DATA_ENGINEERING | SSIS DT_STR to DT_DBDATE using Derived column | SSIS DT_STR to DT_DBDATE using Derived column
I have a fixed format .txt file which has a date field. This field may have a date or be blank. I have wracked my brains to get this field to convert from DT_STR to DT_DBDATE in the Derived Column transformation. I have tried multiple scenarios:
[CHNG_DT] == "" ? ISNULL((... | https://stackoverflow.com/questions/65636527/ssis-dt-str-to-dt-dbdate-using-derived-column | sql-server, date, ssis, etl, derived-column | 1,610,140,564 |
se_77091944 | stackoverflow | DATA_ENGINEERING | Polars - Flatten rows into columns, aggregating by column values | Polars - Flatten rows into columns, aggregating by column values
I'm trying to write a script in Polars that would flatten a list of prices per date and minute. The catch is I want to incrementally aggregate into columns and zero out values in the future. For example. Idea is to make this solution vectorized if possib... | https://stackoverflow.com/questions/77091944/polars-flatten-rows-into-columns-aggregating-by-column-values | python, dataframe, etl, python-polars | 1,694,544,819 |
se_79749305 | stackoverflow | DATA_ENGINEERING | Can't connect to Ollama hosted locally from python script | Can't connect to Ollama hosted locally from python script
I am building ETL using LLM to extract some information.
I have ollama installed locally. I am on Macbook M4 Max.
I don't understand why I have this error from my worker.
ads-worker-1 | 2025-08-28 15:05:54,983 - INFO - Got the db connection: <connection ob... | https://stackoverflow.com/questions/79749305/cant-connect-to-ollama-hosted-locally-from-python-script | docker, docker-compose, etl, large-language-model, ollama | 1,756,394,656 |
se_79747261 | stackoverflow | DATA_ENGINEERING | Apache Flink FileSink compaction extremely slow with many hot buckets/paths | Apache Flink FileSink compaction extremely slow with many hot buckets/paths
I have a Flink ETL job that reads from ~13 Kafka topics and writes data into HDFS using a FileSink with compaction enabled.
Right now, we have around 40 different output paths (buckets), and roughly 30+ of them are hot (receiving data constant... | https://stackoverflow.com/questions/79747261/apache-flink-filesink-compaction-extremely-slow-with-many-hot-buckets-paths | java, apache-kafka, hdfs, apache-flink, etl | 1,756,237,276 |
se_79737601 | stackoverflow | DATA_ENGINEERING | Error loading data: 'Engine' object has no attribute 'cursor': chan="stdout": source="task" | Error loading data: 'Engine' object has no attribute 'cursor': chan="stdout": source="task"
I am trying to run a batch process using Apache Airflow. The Extract and Transform stages work very fine but the load stages is giving an error. Here is my code:
from airflow.decorators impor... | https://stackoverflow.com/questions/79737601/error-loading-data-engine-object-has-no-attribute-cursor-chan-stdout-so | sqlalchemy, airflow, etl | 1,755,396,385 |
se_54142089 | stackoverflow | DATA_ENGINEERING | MySQL Pentaho communication link error ETL | MySQL Pentaho communication link error ETL
When trying to load one month data from a data warehouse by the last day of the month or second last day of the month, while loading the data, a communication link error occurs, and it stops the running job. Due to this, the last few set of data is not loading.
About the tran... | https://stackoverflow.com/questions/54142089/mysql-pentaho-communication-link-error-etl | mysql, etl, pentaho, pentaho-spoon, pentaho-data-integration | 1,547,191,757 |
se_48237922 | stackoverflow | DATA_ENGINEERING | SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E4D | SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E4D
I am facing the below error while executing an SSIS package on a remote server. I am using Windows authentication in my local environment and it's working fine without any issues. I maintain a package.config file for my variables to... | https://stackoverflow.com/questions/48237922/ssis-error-code-dts-e-oledberror-an-ole-db-error-has-occurred-error-code-0x80 | sql-server, ssis, oledb, etl | 1,515,829,424 |
se_20948819 | stackoverflow | DATA_ENGINEERING | Error 0xc0202049: Data Flow Task 1: Failure inserting into the read-only column | Error 0xc0202049: Data Flow Task 1: Failure inserting into the read-only column
I am using SQL Server 2008 import and export wizard. I need to import a database. I opened the SQL server import/export wizard and I went through the following actions:-
for the destination I chose "SQL server native client 10".
then I s... | https://stackoverflow.com/questions/20948819/error-0xc0202049-data-flow-task-1-failure-inserting-into-the-read-only-column | sql-server, sql-server-2008, ssis, etl | 1,389,006,872 |
se_79689492 | stackoverflow | DATA_ENGINEERING | How to control execution order inside a single SSIS Data Flow Task? | How to control execution order inside a single SSIS Data Flow Task?
I'm working on a project where I need to extract data from an EDI file and load it into a database. I'm using Cozyroc’s “EDI Source” component for this.
The EDI Source produces three data outputs, and I insert each output into a different table. Addit... | https://stackoverflow.com/questions/79689492/how-to-control-execution-order-inside-a-single-ssis-data-flow-task | sql-server, ssis, etl, cozyroc | 1,751,579,863 |
se_79682530 | stackoverflow | DATA_ENGINEERING | ADO.NET failure to acquire connection in an SQL Server to PostgreSQL ETL (DTS) | ADO.NET failure to acquire connection in an SQL Server to PostgreSQL ETL (DTS)
I'm creating in VisualStudio for Application 2022 an ETL that is migrating data from a MS-SQL Server table to another in PostgreSQL DataBase. I create the ADO.NET Destination connection (server IP, user, pass) to PostgreSQL using "Npgsql Po... | https://stackoverflow.com/questions/79682530/ado-net-failure-to-acquire-connection-in-an-sql-server-to-postgresql-etl-dts | sql-server, postgresql, etl, npgsql | 1,751,061,964 |
se_15508594 | stackoverflow | DATA_ENGINEERING | SSIS Data Flow Task hangs on excecution of Pre-excecute phase | SSIS Data Flow Task hangs on excecution of Pre-excecute phase
I have a Data Flow Task that is hanging on excecution.
The flow is simple, makes two queries to different tables (Both with a couple of joins), then sorts and merges the otuputs through a common id, adds a static column to all the records, saves the row co... | https://stackoverflow.com/questions/15508594/ssis-data-flow-task-hangs-on-excecution-of-pre-excecute-phase | sql-server, ssis, etl | 1,363,720,933 |
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_79643386 | stackoverflow | DATA_ENGINEERING | ETL script integration with apache airflow problem | ETL script integration with apache airflow problem
I am facing a problem with scheduling airflow with my etl script that loads data in mysql db here i am using airflow 3.1 and i am facing problem with connection.
Log message source details: sources=["Could not read served logs: Invalid URL 'http://:8793/log/dag_id=etl... | https://stackoverflow.com/questions/79643386/etl-script-integration-with-apache-airflow-problem | airflow, etl | 1,748,499,287 |
se_54028900 | stackoverflow | DATA_ENGINEERING | How to run a SSIS Package from Visual Studio Environment? | How to run a SSIS Package from Visual Studio Environment?
I am running SSIS Package (SSDT) from Visual Studio 2017 Environment, I am getting the error as follows :
Error: at Data Flow Task, SQL Server Destination [48]: Unable to bulk copy data. You may need to run this package as an administrator.
Error: at Dat... | https://stackoverflow.com/questions/54028900/how-to-run-a-ssis-package-from-visual-studio-environment | sql-server, visual-studio, ssis, etl | 1,546,545,069 |
se_79636274 | stackoverflow | DATA_ENGINEERING | Docker based local postgres database gives disk space error during data population, however there appears to be plenty of space | Docker based local postgres database gives disk space error during data population, however there appears to be plenty of space
I'm at a bit of a loss here.
I'm running a PostgreSQL Database on Docker on my Mac.
df -h shows that my root volume has 236 GB available.
docker system df shows that only a few gigs are being... | https://stackoverflow.com/questions/79636274/docker-based-local-postgres-database-gives-disk-space-error-during-data-populati | postgresql, docker, resources, virtual-machine, etl | 1,748,040,289 |
se_79633459 | stackoverflow | DATA_ENGINEERING | ClickHouse: read a parquet file that contains columns with None or NaN | ClickHouse: read a parquet file that contains columns with None or NaN
I observe that I cannot open a parquet file with ClickHouse if it contains a column that contains only None or NaNs.
My goal is to dump my raw files in my data warehouse, without having to define data types for each column (I want to do ELT transfo... | https://stackoverflow.com/questions/79633459/clickhouse-read-a-parquet-file-that-contains-columns-with-none-or-nan | pandas, etl, parquet, clickhouse, sqldatatypes | 1,747,906,313 |
se_79624680 | stackoverflow | DATA_ENGINEERING | SYNC and continue Worflows with different runtimes | SYNC and continue Worflows with different runtimes
I need to copy different database table from one SQL database to another.
The tables have very different counts of records and because of that different runtimes.
The copy workflows are running fine.
When all tables have been copied I need to trigger a stored procedur... | https://stackoverflow.com/questions/79624680/sync-and-continue-worflows-with-different-runtimes | sql-server, etl, apache-nifi | 1,747,380,240 |
se_79620195 | stackoverflow | DATA_ENGINEERING | Move files based on size in Pentaho | Move files based on size in Pentaho
Within Pentaho, how do I move files from a particular local directory that are 1 KB in size to another folder? Ideally, I'd like to move all 1 KB files at once and not go one by one (we're talking hundreds of files that will need to be moved daily).
Thanks for any help! | https://stackoverflow.com/questions/79620195/move-files-based-on-size-in-pentaho | javascript, etl, pentaho, pentaho-data-integration | 1,747,159,190 |
se_79609326 | stackoverflow | DATA_ENGINEERING | AWS Glue 3.0 pythonshell Incompatable versions error | AWS Glue 3.0 pythonshell Incompatable versions error
I am programming a data lake with ETL and analytics project and I am using AWS S3 for storage, Glue to create and run the job, and Crawler and athena to create the tables. I am struggling with this error, as reported in the error logs in CloudWatch:
scipy 1.8.0 requ... | https://stackoverflow.com/questions/79609326/aws-glue-3-0-pythonshell-incompatable-versions-error | python, amazon-web-services, amazon-s3, etl, aws-glue | 1,746,557,887 |
se_79601564 | stackoverflow | DATA_ENGINEERING | How to do transaction control transformation without the static target file? | How to do transaction control transformation without the static target file?
I just developed my ETL using informatica powercenter and I used transaction control transformation to have dynamic output files and it works successfully.
This is the mapping logic
My problem is that the ETL by default produces an empty stat... | https://stackoverflow.com/questions/79601564/how-to-do-transaction-control-transformation-without-the-static-target-file | etl, informatica, informatica-powercenter | 1,746,087,292 |
se_79598586 | stackoverflow | DATA_ENGINEERING | Comparing two dates using SSIS conditional split component | Comparing two dates using SSIS conditional split component
CONTEXT
We retrieve data from a local Gas Station where the company's vehicles go to refuel their tanks in a CSV file.
So we save this data: VOLUME, TOTAL_AMOUNT($), PRODUCT (gas, premium, diesel), etc.
Since we already have data, what I had in mind was to use... | https://stackoverflow.com/questions/79598586/comparing-two-dates-using-ssis-conditional-split-component | sql-server, csv, ssis, etl | 1,745,936,005 |
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_56688139 | stackoverflow | DATA_ENGINEERING | How to parse a string as JSON when inserting data from a table into a flex table | How to parse a string as JSON when inserting data from a table into a flex table
I use Vertica 9.2.1 in EON-mode.I have a fact table with a column that holds JSON strings. I want to load this data together with some identifiers from the fact table into a flex table. So that we can run analysis on that data. What I wan... | https://stackoverflow.com/questions/56688139/how-to-parse-a-string-as-json-when-inserting-data-from-a-table-into-a-flex-table | etl, vertica, vertica-flextable | 1,561,040,675 |
se_79566235 | stackoverflow | DATA_ENGINEERING | How to handle evolving Parquet schemas from GCS when loading into BigQuery? | How to handle evolving Parquet schemas from GCS when loading into BigQuery?
We are designing a data ingestion pipeline where Parquet files are delivered weekly into a GCS bucket.
The bucket structure is:
gs://my-bucket/YYYY/MM/DD/<instance-version>/<instance-id>/<entity>.parq
Each <instance-version> guarantees a stab... | https://stackoverflow.com/questions/79566235/how-to-handle-evolving-parquet-schemas-from-gcs-when-loading-into-bigquery | google-bigquery, google-cloud-storage, etl | 1,744,277,028 |
se_79587427 | stackoverflow | DATA_ENGINEERING | Can I use custom ordering on GetMetadata activity in Azure Data Factory? | Can I use custom ordering on GetMetadata activity in Azure Data Factory?
I am trying to set up metadata driven ETL to load incoming text files to my warehouse. The issue that I am running into is that the files represent fact and dimension tables that have foreign key constraints on them. Because of this I need to l... | https://stackoverflow.com/questions/79587427/can-i-use-custom-ordering-on-getmetadata-activity-in-azure-data-factory | azure-data-factory, etl | 1,745,355,304 |
se_79563423 | stackoverflow | DATA_ENGINEERING | ETL from excel file to oracle database with same defined table | ETL from excel file to oracle database with same defined table
I’m working on a project where I need to automatically extract data from an Excel file and load it into an Oracle database. I’m using Python, TOAD, Oracle Client, and VS Code. The goal is to trigger the upload as soon as a new Excel file is added to a spec... | https://stackoverflow.com/questions/79563423/etl-from-excel-file-to-oracle-database-with-same-defined-table | python, python-3.x, oracle-database, etl, python-oracledb | 1,744,170,534 |
se_79562823 | stackoverflow | DATA_ENGINEERING | following warning: APT_CombinedOperatorController,0: Conversion error while calling the date_from_ustring conversion routine. Data may have been lost | following warning: APT_CombinedOperatorController,0: Conversion error while calling the date_from_ustring conversion routine. Data may have been lost
Good morning everyone, I'm currently receiving the following warning in IBM Datastage:
APT_CombinedOperatorController,0: Conversion error while calling the date_from_ust... | https://stackoverflow.com/questions/79562823/following-warning-apt-combinedoperatorcontroller-0-conversion-error-while-call | java, sql, postgresql, etl | 1,744,137,665 |
se_63041916 | stackoverflow | DATA_ENGINEERING | nanodbc/nanodbc.cpp:1617: 00000: [Snowflake][Support] (40465) String data truncated while performing conversion | nanodbc/nanodbc.cpp:1617: 00000: [Snowflake][Support] (40465) String data truncated while performing conversion
I am trying to insert a dataframe into a table in snowflake database, using DBI:: dbAppendTable() via R studio. The number of rows in datafarme are 5000. I get above error only when I am loading all 5000 row... | https://stackoverflow.com/questions/63041916/nanodbc-nanodbc-cpp1617-00000-snowflakesupport-40465-string-data-trunca | r, etl, snowflake-cloud-data-platform, dbi | 1,595,446,544 |
se_79554692 | stackoverflow | DATA_ENGINEERING | How to efficiently divide a big Cassandra table for ETL migration | How to efficiently divide a big Cassandra table for ETL migration
I have a big Cassandra table, which has about 10TB of total size and contains user transactional data.
Table schema is basically 1 primary (partition key) as tx_id and 1 clustering key as tx_time, and other columns.
tx_id: UUID,
tx_time: timestamp,
...(... | https://stackoverflow.com/questions/79554692/how-to-efficiently-divide-a-big-cassandra-table-for-etl-migration | apache-spark, cassandra, etl, data-migration | 1,743,751,285 |
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_79537094 | stackoverflow | DATA_ENGINEERING | Failure to authenticate a SharePoint connection with AuthenticationContext | Failure to authenticate a SharePoint connection with AuthenticationContext
I have the following python code in my Matillion PythonScript component:
from office365.sharepoint.client_context import ClientContext
from office365.runtime.auth.authentication_context import AuthenticationContext
authority_url = “https://logi... | https://stackoverflow.com/questions/79537094/failure-to-authenticate-a-sharepoint-connection-with-authenticationcontext | python, sharepoint, office365, etl, matillion | 1,743,017,201 |
se_79296919 | stackoverflow | DATA_ENGINEERING | The AWS Timestream Batch Upload can't reuse Timestream UNLOAD | The AWS Timestream Batch Upload can't reuse Timestream UNLOAD
I have a very annoying problem with AWS Timestream UNLOAD and then Batch Upload functionality.
I'm using only one custom dimension, let's call it: module.
I want to migrate all of the contents of that table to another table in another account. I have su... | https://stackoverflow.com/questions/79296919/the-aws-timestream-batch-upload-cant-reuse-timestream-unload | amazon-web-services, etl, amazon-timestream | 1,734,690,840 |
se_54190635 | stackoverflow | DATA_ENGINEERING | SSIS Data Conversion Error despite using Data Conversion and accurate destination Datatype | SSIS Data Conversion Error despite using Data Conversion and accurate destination Datatype
I'm getting the following error when I run my package:
[Data Conversion [2]] Error: Data conversion failed while converting column "FieldName" (373) to column "Copy of FieldName" (110).
The conversion returned status value 2 an... | https://stackoverflow.com/questions/54190635/ssis-data-conversion-error-despite-using-data-conversion-and-accurate-destinatio | sql-server, excel, ssis, etl, sql-server-data-tools | 1,547,508,110 |
se_79534389 | stackoverflow | DATA_ENGINEERING | Snowflake Service Account can't connect with Task Scheduler using Pentaho Job | Snowflake Service Account can't connect with Task Scheduler using Pentaho Job
I have a service account user set up in Snowflake. I have an ETL process set up in Pentaho that is using this service account to connect to Snowflake. I am connecting to Snowflake from Pentaho using a JDBC connection using key-pair authe... | https://stackoverflow.com/questions/79534389/snowflake-service-account-cant-connect-with-task-scheduler-using-pentaho-job | jdbc, snowflake-cloud-data-platform, etl, pentaho, key-pair | 1,742,922,678 |
se_79135647 | stackoverflow | DATA_ENGINEERING | pip install snowflake-connector-python fails building wheels | pip install snowflake-connector-python fails building wheels
building 'snowflake.connector.nanoarrow_arrow_iterator' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
[end of output]
note: This error or... | https://stackoverflow.com/questions/79135647/pip-install-snowflake-connector-python-fails-building-wheels | python, pip, snowflake-cloud-data-platform, etl | 1,730,167,985 |
se_60338859 | stackoverflow | DATA_ENGINEERING | Making Glue delete source data after a job | Making Glue delete source data after a job
AWS Glue is great for transforming data from a raw form into whichever format you need, and keeping the source and destination data sets synchronized.
However, I have a scenario where data lands in a 'landing area' bucket from untrusted external sources, and the first ETL st... | https://stackoverflow.com/questions/60338859/making-glue-delete-source-data-after-a-job | bigdata, etl, aws-glue | 1,582,288,783 |
se_46220327 | stackoverflow | DATA_ENGINEERING | Automate import of CSV files in SQL Server | Automate import of CSV files in SQL Server
I'm currently using SSIS to import a whole slew of CSV files into our system on a regular basis. These import processes are scheduled using the SQL Server Agent - which should have a happy ending. However, one of our vendors from which we're receiving data likes to change up ... | https://stackoverflow.com/questions/46220327/automate-import-of-csv-files-in-sql-server | sql-server, csv, ssis, etl | 1,505,395,260 |
se_79501214 | stackoverflow | DATA_ENGINEERING | DBT Test Failures Not Storing in Snowflake Despite store_failures=True | DBT Test Failures Not Storing in Snowflake Despite store_failures=True
I am running a DBT test that detects around 1250 failing rows, but the failure table in Snowflake remains empty.
The DBT pipeline runs successfully every day at 06:00, and I manually ran dbt test -s test_unit4_missing_time --store-failures as well.... | https://stackoverflow.com/questions/79501214/dbt-test-failures-not-storing-in-snowflake-despite-store-failures-true | snowflake-cloud-data-platform, etl, data-warehouse, dbt | 1,741,705,315 |
se_79487086 | stackoverflow | DATA_ENGINEERING | Where can I see AWS Glue ETL job print statements? | Where can I see AWS Glue ETL job print statements?
Problem
Where do you find print statements from your Glue ETL jobs? You guys, this is killing me. Why is this not the easiest thing to find?
Situation
I am trying to look at properties of my tables and do some general debugging in the console for an AWS Glue ETL job.... | https://stackoverflow.com/questions/79487086/where-can-i-see-aws-glue-etl-job-print-statements | etl, aws-glue, amazon-cloudwatch, aws-console | 1,741,191,975 |
se_79485250 | stackoverflow | DATA_ENGINEERING | Run a single DELETE FROM SQL command based on a RecordSet of multiple rows | Run a single DELETE FROM SQL command based on a RecordSet of multiple rows
I have a CSV file with a single column, id, and 3 rows: 10, 20, 30. What I want to do is simply delete the rows from a table in a database where the table's id col contains any of the three values. How do I do this with one DELETE FROM command ... | https://stackoverflow.com/questions/79485250/run-a-single-delete-from-sql-command-based-on-a-recordset-of-multiple-rows | sql, sql-server, ssis, etl | 1,741,138,147 |
se_35498218 | stackoverflow | DATA_ENGINEERING | How to create a Talend job that uses dynamic schema for each run | How to create a Talend job that uses dynamic schema for each run
I am developing a migration tool and using the Talend ETL tool (Free edition). I want to create a Talend job that uses dynamic schema every time it runs, i.e. no hard-coded mappings in tMap component.
I want the user to give an input CSV/Excel file, and ... | https://stackoverflow.com/questions/35498218/how-to-create-a-talend-job-that-uses-dynamic-schema-for-each-run | migration, database-migration, etl, talend | 1,455,861,036 |
se_71937674 | stackoverflow | DATA_ENGINEERING | Snowflake insert_query procedure | Snowflake insert_query procedure
I need to insert columns of one table into another table as a record.
The structure will be like this:
table_name Column_name Distinct_Count
Here is the code but I am not able to insert data:
create or replace procedure get_table_name(t string)
returns string not null
lang... | https://stackoverflow.com/questions/71937674/snowflake-insert-query-procedure | azure, snowflake-cloud-data-platform, etl, procedure | 1,650,448,752 |
se_78888734 | stackoverflow | DATA_ENGINEERING | Get more than 1000 records from Matillion Task History API | Get more than 1000 records from Matillion Task History API
I am using Matillion Task History API to fetch the history of tasks that have been running in the Matillion ETL instance. Task history results are subject to a limit of 1,000 records for a single task run. I was looking if there is pagination support for this ... | https://stackoverflow.com/questions/78888734/get-more-than-1000-records-from-matillion-task-history-api | python, etl, monitoring, matillion | 1,724,081,988 |
se_61938170 | stackoverflow | DATA_ENGINEERING | I am not able to see ODBC 64-bit drivers in SSIS connection manager drop down list? | I am not able to see ODBC 64-bit drivers in SSIS connection manager drop down list?
I am not able to see ODBC 64-bit drivers in the SSIS connection manager dropdown list? only 32-bit drivers are appearing in the Visual Studio 2017 SSIS project. Any solution to see a list of available DSN 64-bit ODBC drivers? | https://stackoverflow.com/questions/61938170/i-am-not-able-to-see-odbc-64-bit-drivers-in-ssis-connection-manager-drop-down-li | sql-server, ssis, visual-studio-2017, odbc, etl | 1,590,075,335 |
se_79462067 | stackoverflow | DATA_ENGINEERING | Leaving message unacknowledged in Benthos job with gcp_pubsub input | Leaving message unacknowledged in Benthos job with gcp_pubsub input
How does Benthos handle the acknowledgement of pubsub messages? How can we manage ack/unack based on custom if-else conditions?
Here is the scenario i'm trying to achieve:
I have written a Benthos job that pulls messages from a Pub/Sub subscriber, cal... | https://stackoverflow.com/questions/79462067/leaving-message-unacknowledged-in-benthos-job-with-gcp-pubsub-input | etl, google-cloud-dataflow, google-cloud-pubsub, benthos, redpanda-connect | 1,740,348,475 |
se_79413019 | stackoverflow | DATA_ENGINEERING | Extracting data from Outlook using talend | Extracting data from Outlook using talend
I have a job in talend that dowloads some files from an FTP server. The problem is that the password changes every other week and I get the new password by email.
Is there any way to build a job that will scan my mail in Outlook for the new password, and save it in context to ... | https://stackoverflow.com/questions/79413019/extracting-data-from-outlook-using-talend | outlook, etl, talend | 1,738,702,505 |
se_79450059 | stackoverflow | DATA_ENGINEERING | DynamoDb cross-account migration using Glue Job, GSI value cannot be null | DynamoDb cross-account migration using Glue Job, GSI value cannot be null
When I'm using Glue Job for cross-account migration in DynamoDB, I need to transform the PK and GSI values by adding a fixed prefix like 'XXX'. However, if the gsi0_pk value from the source table is empty, it throws an error since GSI values can... | https://stackoverflow.com/questions/79450059/dynamodb-cross-account-migration-using-glue-job-gsi-value-cannot-be-null | amazon-dynamodb, etl, aws-glue | 1,739,932,668 |
se_68629824 | stackoverflow | DATA_ENGINEERING | Is Pentaho ETL tool dying? | Is Pentaho ETL tool dying?
I have problems finding useful pentaho ETL tool information, is this tool dying?
What are the alternative tools/platform> | https://stackoverflow.com/questions/68629824/is-pentaho-etl-tool-dying | etl, pentaho, apache-hop | 1,627,959,116 |
se_5283469 | stackoverflow | DATA_ENGINEERING | ETL architecture | ETL architecture
I've been asked to make an ETL-style application that transfers information from one data source to another. At the moment, I've decided to use a three-layer architecture but I would like to find out more about the best practices as well as the life cycle described on this wikipedia page:
http://en.wi... | https://stackoverflow.com/questions/5283469/etl-architecture | java, architecture, etl | 1,299,944,208 |
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_48388323 | stackoverflow | DATA_ENGINEERING | How to I add a current timestamp (extra column) in the glue job so that the output data has an extra column | How to I add a current timestamp (extra column) in the glue job so that the output data has an extra column
How to I add a current timestamp (extra column) in the glue job so that the output data has an extra column. In this case:
Schema Source Table:
Col1, Col2
After Glue job.
Schema of Destination:
Col1, Col2, Up... | https://stackoverflow.com/questions/48388323/how-to-i-add-a-current-timestamp-extra-column-in-the-glue-job-so-that-the-outp | amazon-web-services, pyspark, etl, aws-glue | 1,516,646,804 |
se_35837832 | stackoverflow | DATA_ENGINEERING | Difference between serial file and multi file in AB Initio | Difference between serial file and multi file in AB Initio
What are the differences between a serial file and a Multi file in Ab Initio? | https://stackoverflow.com/questions/35837832/difference-between-serial-file-and-multi-file-in-ab-initio | etl, ab-initio | 1,457,333,667 |
se_79334858 | stackoverflow | DATA_ENGINEERING | Default Extension for Sequential Files in IBM DataStage When Not Specified | Default Extension for Sequential Files in IBM DataStage When Not Specified
are there any DataStage experts here?
I don't have access to DataStage, and I am working on a migration based solely on the DataStage documentation. I came across instances in parallel jobs where the output is a sequential file, but the file pa... | https://stackoverflow.com/questions/79334858/default-extension-for-sequential-files-in-ibm-datastage-when-not-specified | etl, data-migration, datastage, data-integration, ibm-infosphere | 1,736,221,257 |
se_79400056 | stackoverflow | DATA_ENGINEERING | AWS push_down_predicate not working with DynamoDb | AWS push_down_predicate not working with DynamoDb
I'm using AWS Glue to read data from a DynamoDB table where the sort key sk (string) is a timestamp in the format 2024-04-10T00:00:00.000000+00:00. I'm trying to apply a push_down_predicate to filter records within a specific time range, but I'm getting unexpected resu... | https://stackoverflow.com/questions/79400056/aws-push-down-predicate-not-working-with-dynamodb | amazon-web-services, amazon-dynamodb, etl, aws-glue | 1,738,243,437 |
se_47578546 | stackoverflow | DATA_ENGINEERING | Cannot initialize the data source object of OLE DB provider Microsoft.ACE.OLEDB.12.0 for linked server (null) | Cannot initialize the data source object of OLE DB provider Microsoft.ACE.OLEDB.12.0 for linked server (null)
DECLARE @PATH NVARCHAR(1000) = N'\\MY-SERVER\C$\Folder\\'
DECLARE @TABLE NVARCHAR(50) = SUBSTRING(@FILENAME,0,CHARINDEX('.',@FILENAME))
DECLARE @SQL NVARCHAR(4000) =
N'IF OBJECT_ID(''dbo.' + @TABLE + ''' ... | https://stackoverflow.com/questions/47578546/cannot-initialize-the-data-source-object-of-ole-db-provider-microsoft-ace-oledb | sql-server, ssis, etl, ssis-2012, ms-jet-ace | 1,512,060,625 |
se_79388398 | stackoverflow | DATA_ENGINEERING | how to create shortcut of source using informatica powercentre | how to create shortcut of source using informatica powercentre
I want to keep my sources and targets in 1 folder and create shortcut of those in other folders and use them, how do I go about doing that?. I am using Informatica PowerCenter 10.4 version. | https://stackoverflow.com/questions/79388398/how-to-create-shortcut-of-source-using-informatica-powercentre | etl, informatica, informatica-powercenter | 1,737,889,205 |
se_79371604 | stackoverflow | DATA_ENGINEERING | Data loading and transformation from gcs to bigquery | Data loading and transformation from gcs to bigquery
I wanted to load some unstructured json files having max size 200gb to bigquery without using any etl tools, I want a simple solution to transform the data from gcs to proper structured json format and some other custom transform logics to implement before loading i... | https://stackoverflow.com/questions/79371604/data-loading-and-transformation-from-gcs-to-bigquery | database, google-cloud-platform, google-bigquery, google-cloud-storage, etl | 1,737,382,592 |
se_79355530 | stackoverflow | DATA_ENGINEERING | Retrieve ERROR LOG from my cTalendJob to my ESB Route | Retrieve ERROR LOG from my cTalendJob to my ESB Route
Here my problem:
I have a ESB route with a cTalendJob component.
I receive a message from a Cfile and my Job (in my cTalendJob) works.
I want to retrieve error from my cTalendJob in my ESB route (in a cProcessor component).
step 1 : ETL job start.
step 2 : it's on ... | https://stackoverflow.com/questions/79355530/retrieve-error-log-from-my-ctalendjob-to-my-esb-route | oracle-database, logging, etl, talend, esb | 1,736,869,102 |
se_57005202 | stackoverflow | DATA_ENGINEERING | Dynamic column mapping for both Source and destination in data flow tasks from Oracle to SQL Server | Dynamic column mapping for both Source and destination in data flow tasks from Oracle to SQL Server
We have around 5000 tables in Oracle and the same 5000 tables exist in SQL server. Each table's columns vary frequently but at any point in time source and destination columns will always be the same. Creating 5000 Dat... | https://stackoverflow.com/questions/57005202/dynamic-column-mapping-for-both-source-and-destination-in-data-flow-tasks-from-o | sql-server, oracle-database, ssis, etl, data-migration | 1,562,927,598 |
se_79187502 | stackoverflow | DATA_ENGINEERING | How to transfer data using Zero-ETL to a writable DB in Redshift | How to transfer data using Zero-ETL to a writable DB in Redshift
Im using Zero-Etl to move my data from Aurora to Redshift. But this moves the data to a read-only database. How do I then move my data to a full access database?
I have tried creating a materialized view, but it needs a manual refresh every time. I need ... | https://stackoverflow.com/questions/79187502/how-to-transfer-data-using-zero-etl-to-a-writable-db-in-redshift | amazon-redshift, etl, amazon-aurora | 1,731,562,215 |
se_45509279 | stackoverflow | DATA_ENGINEERING | Aws: best approach to process data from S3 to RDS | Aws: best approach to process data from S3 to RDS
I'm trying to implement, I think, a very simple process, but I don't really know what's the best approach.
I want to read a big csv (around 30gb) file from S3, make some transformation and load it into RDS MySQL and I want this process to be replicable.
I tought that... | https://stackoverflow.com/questions/45509279/aws-best-approach-to-process-data-from-s3-to-rds | amazon-web-services, etl | 1,501,856,590 |
se_58120892 | stackoverflow | DATA_ENGINEERING | Optimizing OLE DB Destination for Fast load from Oracle to SQL Server for SSIS | Optimizing OLE DB Destination for Fast load from Oracle to SQL Server for SSIS
I'm working with a SSIS package for importing from an Oracle Table to an SQL Server Table. for this in between I had to put a data conversion.
the OLE DB Source is retrieving the complete Table, then being converted by the data conversion... | https://stackoverflow.com/questions/58120892/optimizing-ole-db-destination-for-fast-load-from-oracle-to-sql-server-for-ssis | sql-server, oracle-database, ssis, etl | 1,569,514,437 |
se_79342190 | stackoverflow | DATA_ENGINEERING | Polars runs out of memory when collecting a JSON file | Polars runs out of memory when collecting a JSON file
We want to use Polars to load a JSON file of 22GB (10M rows and 65 columns) but we're running out of memory when run collect() which is causing the program to crash. We're using pl.scan_ndjson to load the JSON file. We're only able to load JSON files of 400MB. The ... | https://stackoverflow.com/questions/79342190/polars-runs-out-of-memory-when-collecting-a-json-file | python, json, etl, python-polars, polars | 1,736,417,294 |
se_57164105 | stackoverflow | DATA_ENGINEERING | What is the best way to read multiple json files in a S3 directory and then load them to a MySQL table? | What is the best way to read multiple json files in a S3 directory and then load them to a MySQL table?
I have a S3 folder with 40k++ json file where each of the files has the following format:
[{"AAA": "XXXX", "BBB": "XXXX", "CCC": "XXXX"}]
My purpose is to read these json files (in one S3 folder), combine them int... | https://stackoverflow.com/questions/57164105/what-is-the-best-way-to-read-multiple-json-files-in-a-s3-directory-and-then-load | python, json, amazon-web-services, amazon-s3, etl | 1,563,884,452 |
se_56640161 | stackoverflow | DATA_ENGINEERING | SSISDB package errs out, says variable does not exist | SSISDB package errs out, says variable does not exist
I have an SSIS package that writes csv files from a database, copies them to a couple locations, and then emails a success message. The process is:
Retrieve public file location from database into a variable, @[User::varSQLCSVOutputFolder]
Loop through a list of ... | https://stackoverflow.com/questions/56640161/ssisdb-package-errs-out-says-variable-does-not-exist | sql-server, csv, ssis, etl, flat-file | 1,560,815,763 |
se_74629505 | stackoverflow | DATA_ENGINEERING | How do I pull the last modified file with data flow in Azure Data Factory? | How do I pull the last modified file with data flow in Azure Data Factory?
I have files that are uploaded into an on-prem folder daily, from there I have a pipeline pulling it to a blob storage container (input), from there I have another pipeline from blob (input) to blob (output), here is where the dataflow is, betw... | https://stackoverflow.com/questions/74629505/how-do-i-pull-the-last-modified-file-with-data-flow-in-azure-data-factory | azure, etl, azure-data-factory | 1,669,818,885 |
se_57963822 | stackoverflow | DATA_ENGINEERING | data conversion issue while executing a ssis package | data conversion issue while executing a ssis package
Executing my package and i am seeing below error. EMP ID from source (Flat file) is DT_STR(50) and loading it into table:
EMP_ID int not null column
Using data conversion task i am converting it in to four byte signed integer
But Job is failing.
Descriptio... | https://stackoverflow.com/questions/57963822/data-conversion-issue-while-executing-a-ssis-package | sql-server, ssis, etl, data-conversion, ssis-2012 | 1,568,664,783 |
se_1719348 | stackoverflow | DATA_ENGINEERING | ETL Tools and Build Tools | ETL Tools and Build Tools
I have familiarities with software automated build tools ( such as Automated Build Studio). Now I am looking at ETL tools.
The one thing crosses my mind is that, I can do anything I can do in ETL tools by using a software build tool. ETL tools are tailored for data loading and manipulation ... | https://stackoverflow.com/questions/1719348/etl-tools-and-build-tools | database, etl, build-tools | 1,257,990,314 |
se_57859224 | stackoverflow | DATA_ENGINEERING | Connect to "on-premise" postgresql database with AWS glue | Connect to "on-premise" postgresql database with AWS glue
I have a PostgreSQL database which is in effect "on premise" but I have credentials and a JDBC connection string. I want to read the table on AWS glue and use it in a job as a source, and write to S3.
But it is asking for VPC? I don't understand. I c... | https://stackoverflow.com/questions/57859224/connect-to-on-premise-postgresql-database-with-aws-glue | amazon-web-services, etl, aws-glue, amazon-vpc | 1,568,052,866 |
se_79285898 | stackoverflow | DATA_ENGINEERING | Beginner is stuck with EXCEL ETL | Beginner is stuck with EXCEL ETL
I just don't know where to begin the ETL adventure. I have a multi-row header messy dataset provided by an archaic ERP software. I just need to clean it to become suitable for basic pivot/vlookups and maybe power BI.
Do you think I should go the VBA route or power query?
Any other sugg... | https://stackoverflow.com/questions/79285898/beginner-is-stuck-with-excel-etl | excel, vba, powerquery, etl | 1,734,378,263 |
se_79103196 | stackoverflow | DATA_ENGINEERING | Azure Data Factory 'Value cannot be null. Parameter name: input' | Azure Data Factory 'Value cannot be null. Parameter name: input'
I am trying to run a copy data activity from an API to an Azure SQL database. The pipeline activity is getting an error of
ErrorCode=InvalidParameter, 'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException, Message=The value of the p... | https://stackoverflow.com/questions/79103196/azure-data-factory-value-cannot-be-null-parameter-name-input | azure, http, azure-data-factory, etl | 1,729,274,293 |
se_79274155 | stackoverflow | DATA_ENGINEERING | Power Query `List.Generate` runs too slow | Power Query `List.Generate` runs too slow
TL;DR
How can I calculate running sum in Power Query faster? I used table buffering and List.Generate but it is still too slow.
Details
I have a table like this:
datetime
val
maxval
otherCols
2024-12-12 00:00:00
0
3
...
2024-12-12 00:00:01
0
3
...
2024-12-12 00:00:0... | https://stackoverflow.com/questions/79274155/power-query-list-generate-runs-too-slow | powerbi, powerquery, etl, m | 1,733,988,257 |
se_76000302 | stackoverflow | DATA_ENGINEERING | StreamQueryListener in Spark doesn't execute code from onQueryProgress() | StreamQueryListener in Spark doesn't execute code from onQueryProgress()
I'm reading data from Databricks delta table as stream and writing it to another delta table (Using console in screenshot for ease of debugging), I would like to make use of StreamingQueryListener() of spark and use onQueryProgress() to print... | https://stackoverflow.com/questions/76000302/streamquerylistener-in-spark-doesnt-execute-code-from-onqueryprogress | apache-spark, databricks, etl, spark-streaming, spark-structured-streaming | 1,681,338,661 |
se_5267231 | stackoverflow | DATA_ENGINEERING | What is the definition of realtime, near realtime and batch? Give examples of each? | What is the definition of realtime, near realtime and batch? Give examples of each?
I'm trying to get a good definition of realtime, near realtime and batch? I am not talking about sync and async although to me, they are different dimensions. Here is what I'm thinking
Realtime is sync web services or async web se... | https://stackoverflow.com/questions/5267231/what-is-the-definition-of-realtime-near-realtime-and-batch-give-examples-of-ea | web-services, real-time, etl, batch-processing | 1,299,800,011 |
se_74599499 | stackoverflow | DATA_ENGINEERING | Why does my insert not filter out null values? | Why does my insert not filter out null values?
I'm trying to implement SCD2 by using INSERT and UPDATE instead of using MERGE. I need to insert new rows from my source table into my target table if the id doesn't exist and at the same time make sure that the column row compositekey is not null without crashing the ins... | https://stackoverflow.com/questions/74599499/why-does-my-insert-not-filter-out-null-values | sql, t-sql, etl, data-warehouse | 1,669,632,743 |
se_44068912 | stackoverflow | DATA_ENGINEERING | Convert date DD.MM.YYYY hh:mm:ss to YYYY-MM-DD in SSIS | Convert date DD.MM.YYYY hh:mm:ss to YYYY-MM-DD in SSIS
I am developing an SSIS package and it reads the data from SAP. I have created ADO.Net source which reads the data from ODBC connection.
From the SAP data, there is a table which has the date column and the format of the date value is 12.03.2014 00:00:00
Now I ... | https://stackoverflow.com/questions/44068912/convert-date-dd-mm-yyyy-hhmmss-to-yyyy-mm-dd-in-ssis | sql-server, datetime, ssis, ado.net, etl | 1,495,193,396 |
se_79247607 | stackoverflow | DATA_ENGINEERING | SSIS Event Handler: Unable to Access OnError System Variables in ReadOnlyVariables | SSIS Event Handler: Unable to Access OnError System Variables in ReadOnlyVariables
I am trying to set up an "OnError" event handler for my SSIS package, but I’ve run into a problem. All the system variables related to the "OnError" event are scoped under "OnError", which means none of my components can access them.
He... | https://stackoverflow.com/questions/79247607/ssis-event-handler-unable-to-access-onerror-system-variables-in-readonlyvariabl | sql-server, ssis, etl | 1,733,228,862 |
se_79228946 | stackoverflow | DATA_ENGINEERING | How to retrieve file names of CSV files read in AWS Glue Visual ETL with a Data Catalog table and handle validation errors for individual files? | How to retrieve file names of CSV files read in AWS Glue Visual ETL with a Data Catalog table and handle validation errors for individual files?
I'm using AWS Glue Visual Studio ETL to process CSV files stored in an S3 bucket. The files are registered in the Glue Data Catalog and read as a single DynamicFrame during t... | https://stackoverflow.com/questions/79228946/how-to-retrieve-file-names-of-csv-files-read-in-aws-glue-visual-etl-with-a-data | validation, amazon-s3, etl, aws-glue | 1,732,681,957 |
se_79231120 | stackoverflow | DATA_ENGINEERING | Compare two consecutive rows in datastage and throw the rows that doesn't meet a condition | Compare two consecutive rows in datastage and throw the rows that doesn't meet a condition
I'm reading a file using a sequential file in Datastage and I'm doing some transformation in the data using a transformer, I want to compare the current row with the previous row, to check a value of a column. If the conditi... | https://stackoverflow.com/questions/79231120/compare-two-consecutive-rows-in-datastage-and-throw-the-rows-that-doesnt-meet-a | etl, transformer-model, datastage | 1,732,725,330 |
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