# \#help-wanted

**URL:** https://discourse.greatexpectations.io/tag/help-wanted/3.md

[Latest](https://discourse.greatexpectations.io/latest.md) · [Categories](https://discourse.greatexpectations.io/categories.md) · [Tags](https://discourse.greatexpectations.io/tags.md)

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## [BuildBatchRequestError when running a checkpoint (reading data from "dataframe")](https://discourse.greatexpectations.io/t/buildbatchrequesterror-when-running-a-checkpoint-reading-data-from-dataframe/2397)

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**Author:** [@KK1259](https://discourse.greatexpectations.io/u/KK1259)\
**Replies:** 2\
**Last updated:** [September 29, 2026, 12:19am UTC](https://discourse.greatexpectations.io/t/buildbatchrequesterror-when-running-a-checkpoint-reading-data-from-dataframe/2397 "2026-09-29T00:19:33Z")

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My GX version = 1.23.2. In my script, I am reading data from Pandas Dataframe (df\_bug, df\_us & df\_tc). Created the data\_source using data\_source = context.data\_sources.add\_pandas(name=data\_source\_name) The assets also…

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## [Datetime column validation](https://discourse.greatexpectations.io/t/datetime-column-validation/2396)

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**Author:** [@KK1259](https://discourse.greatexpectations.io/u/KK1259)\
**Replies:** 2\
**Last updated:** [September 27, 2026, 7:25pm UTC](https://discourse.greatexpectations.io/t/datetime-column-validation/2396 "2026-09-27T19:25:20Z")

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Hi, I have a column = created\_date which has datetime in this format = ‘2/09/2026 11:49’. Now this column is type = object. How to validate this without converting to datetime type. I found a legacy expectation = \<expec…

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## [UnexpectedRowsExpectation unexpected\_rows limit](https://discourse.greatexpectations.io/t/unexpectedrowsexpectation-unexpected-rows-limit/2026)

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**Author:** [@victor.clearpeaks](https://discourse.greatexpectations.io/u/victor.clearpeaks)\
**Replies:** 3\
**Last updated:** [February 24, 2026, 10:47am UTC](https://discourse.greatexpectations.io/t/unexpectedrowsexpectation-unexpected-rows-limit/2026 "2026-02-24T10:47:54Z")

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Hi! I’m using this UnexpectedRowsExpectation expectation and I need to retrieve ALL the rows that has failed the condition but, unexpected\_rows only has a sample of 200 rows. Is any configuration to allow this expectatio…

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## [Unable to Apply Multiple Conditions in row\_condition with SQLAlchemy (Snowflake) – acryl-datahub-gx-plugin 1.3.1](https://discourse.greatexpectations.io/t/unable-to-apply-multiple-conditions-in-row-condition-with-sqlalchemy-snowflake-acryl-datahub-gx-plugin-1-3-1/2333)

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**Author:** [@prasath](https://discourse.greatexpectations.io/u/prasath)\
**Replies:** 0\
**Last updated:** [February 13, 2026, 2:23pm UTC](https://discourse.greatexpectations.io/t/unable-to-apply-multiple-conditions-in-row-condition-with-sqlalchemy-snowflake-acryl-datahub-gx-plugin-1-3-1/2333 "2026-02-13T14:23:45Z")

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Hi, I’m using acryl-datahub-gx-plugin==1.3.1 for Great Expectations validation and pushing the results/metadata to DataHub. As per the documentation here, I’m defining the row\_condition like this (using SQLAlchemy with…

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## [Unable to validate column expectation on trino query asset](https://discourse.greatexpectations.io/t/unable-to-validate-column-expectation-on-trino-query-asset/2326)

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**Author:** [@jessvm](https://discourse.greatexpectations.io/u/jessvm)\
**Replies:** 0\
**Last updated:** [January 29, 2026, 9:42am UTC](https://discourse.greatexpectations.io/t/unable-to-validate-column-expectation-on-trino-query-asset/2326 "2026-01-29T09:42:04Z")

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Hello, I am trying to validate a column expectation (ExpectColumnValuesToNotBeNull) on a query asset with a Trino connector. The column I am testing is not recognized and the validation returns the following error mess…

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## [ExpectTableRowCountToBeBetween seems to ignore row\_condition](https://discourse.greatexpectations.io/t/expecttablerowcounttobebetween-seems-to-ignore-row-condition/2275)

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**Author:** [@mike\_f50](https://discourse.greatexpectations.io/u/mike_f50)\
**Replies:** 3\
**Last updated:** [October 31, 2025, 11:59am UTC](https://discourse.greatexpectations.io/t/expecttablerowcounttobebetween-seems-to-ignore-row-condition/2275 "2025-10-31T11:59:40Z")

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In GX 1.5.7, my ExpectTableRowCountToBeBetween expectations seem to be ignoring their row\_conditions. Inspecting the results, the observed\_value in each case is the entire table row count, not just the rows satisfying t…

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## [Implementing GX Core to process multiple files/tables](https://discourse.greatexpectations.io/t/implementing-gx-core-to-process-multiple-files-tables/2306)

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**Author:** [@mara557](https://discourse.greatexpectations.io/u/mara557)\
**Replies:** 0\
**Last updated:** [October 25, 2025, 1:53pm UTC](https://discourse.greatexpectations.io/t/implementing-gx-core-to-process-multiple-files-tables/2306 "2025-10-25T13:53:27Z")

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Hello everyone, I’m new to this and would like to ask whether it’s possible to implement the GX Core library so that it can run across multiple, unrelated files. We handle several projects where we may ingest dozens of…

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## [Columns are missing in BatchData with Trino datasource](https://discourse.greatexpectations.io/t/columns-are-missing-in-batchdata-with-trino-datasource/2299)

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**Author:** [@Jace](https://discourse.greatexpectations.io/u/Jace)\
**Replies:** 2\
**Last updated:** [October 22, 2025, 8:57am UTC](https://discourse.greatexpectations.io/t/columns-are-missing-in-batchdata-with-trino-datasource/2299 "2025-10-22T08:57:49Z")

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Hi everyone, Here im trying to do validation with Trino connection. However it seems that GX are not recognizing or missing the columns information from table, because column type expectations are returning: “exception…

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## [Group By Expectations. 1.6.4](https://discourse.greatexpectations.io/t/group-by-expectations-1-6-4/2300)

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**Author:** [@filiphjartstrom](https://discourse.greatexpectations.io/u/filiphjartstrom)\
**Replies:** 0\
**Last updated:** [October 7, 2025, 8:28am UTC](https://discourse.greatexpectations.io/t/group-by-expectations-1-6-4/2300 "2025-10-07T08:28:20Z")

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Hello! I have searched the docs and git and cannot figure something out: Lets say i want to use the ExpectColumnSumToBeBetween expectation. How can I group by another column? For example: Group purchases by country and…

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## [Problem with data\_source.add\_query\_asset](https://discourse.greatexpectations.io/t/problem-with-data-source-add-query-asset/2290)

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**Author:** [@StacyStacy](https://discourse.greatexpectations.io/u/StacyStacy)\
**Replies:** 1\
**Last updated:** [September 1, 2025, 6:49pm UTC](https://discourse.greatexpectations.io/t/problem-with-data-source-add-query-asset/2290 "2025-09-01T18:49:04Z")

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Not work standart expectations connection\_string = f"trino://{user}:{password}@{host}:{port}/{catalog}/{schema}?verify=false&http\_scheme=https" query\_asset = data\_source.add\_query\_asset( name=asset\_name, query=”sele…

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## [Having Trouble with specifying context file with UNC path](https://discourse.greatexpectations.io/t/having-trouble-with-specifying-context-file-with-unc-path/2288)

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**Author:** [@Laxmi884](https://discourse.greatexpectations.io/u/Laxmi884)\
**Replies:** 0\
**Last updated:** [August 25, 2025, 11:02pm UTC](https://discourse.greatexpectations.io/t/having-trouble-with-specifying-context-file-with-unc-path/2288 "2025-08-25T23:02:35Z")

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I’m encountering an issue when specifying the context file path for checkpoints. When I use a mapped network drive (e.g., L:/My\_Folder), everything works fine. However, when I switch to using the UNC path (e.g., \\\\shared…

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## [Connect to trino with special symbol](https://discourse.greatexpectations.io/t/connect-to-trino-with-special-symbol/2287)

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**Author:** [@StacyStacy](https://discourse.greatexpectations.io/u/StacyStacy)\
**Replies:** 0\
**Last updated:** [August 21, 2025, 10:07am UTC](https://discourse.greatexpectations.io/t/connect-to-trino-with-special-symbol/2287 "2025-08-21T10:07:06Z")

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Hello I’m trying connect to trino, but my password have special symbols(quote and quote\_plus not working in string conectation in SQLAlchemy (trino) context = gx.get\_context(mode="file") conn\_str = f"trino://{user}@{h…

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## [Expectations Suite: Expectations with same type only the last one is evaluated and results provided](https://discourse.greatexpectations.io/t/expectations-suite-expectations-with-same-type-only-the-last-one-is-evaluated-and-results-provided/2274)

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**Author:** [@caudex](https://discourse.greatexpectations.io/u/caudex)\
**Replies:** 1\
**Last updated:** [August 5, 2025, 11:17am UTC](https://discourse.greatexpectations.io/t/expectations-suite-expectations-with-same-type-only-the-last-one-is-evaluated-and-results-provided/2274 "2025-08-05T11:17:12Z")

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The problem i am having is where i have a validator and expectation suite with multiple of the same expectation types and only executes the last one in the list. I’ve added 3 expectations (2 with same type and 1 differe…

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## [ERROR: Could not create .gitignore in Read-only file system](https://discourse.greatexpectations.io/t/error-could-not-create-gitignore-in-read-only-file-system/2255)

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**Author:** [@Jimmy\_Jing](https://discourse.greatexpectations.io/u/Jimmy_Jing)\
**Replies:** 3\
**Last updated:** [August 4, 2025, 2:00pm UTC](https://discourse.greatexpectations.io/t/error-could-not-create-gitignore-in-read-only-file-system/2255 "2025-08-04T14:00:19Z")

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Dear team, We are currently using Great Expectations (GX) version 1.4.6 in our firm. During initialization, a .gitignore file is created in the gx folder. This file is included in our code repository and pushed through …

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## [SUMMARY validation in SparkExecutionEngine triggers excessive collect() calls](https://discourse.greatexpectations.io/t/summary-validation-in-sparkexecutionengine-triggers-excessive-collect-calls/2269)

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**Author:** [@Alvaro](https://discourse.greatexpectations.io/u/Alvaro)\
**Replies:** 0\
**Last updated:** [July 29, 2025, 10:43am UTC](https://discourse.greatexpectations.io/t/summary-validation-in-sparkexecutionengine-triggers-excessive-collect-calls/2269 "2025-07-29T10:43:32Z")

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Hi everyone, I’ve been experimenting with Great Expectations on Spark, and I’ve noticed some unexpected behavior when switching from a “BASIC” validation to a “SUMMARY” validation that returns unexpected rows. I’m work…

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## [GE run fails on AWS Airflow with File System \[Errno 30\] Read-only file system: '/usr/local/airflow/dags/data-quality/gx'; 3080](https://discourse.greatexpectations.io/t/ge-run-fails-on-aws-airflow-with-file-system-errno-30-read-only-file-system-usr-local-airflow-dags-data-quality-gx-3080/1704)

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**Author:** [@zfromsyd](https://discourse.greatexpectations.io/u/zfromsyd)\
**Replies:** 6\
**Last updated:** [July 16, 2025, 5:20pm UTC](https://discourse.greatexpectations.io/t/ge-run-fails-on-aws-airflow-with-file-system-errno-30-read-only-file-system-usr-local-airflow-dags-data-quality-gx-3080/1704 "2025-07-16T17:20:58Z")

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Hi, We are upgrading Great Expectations to 0.18.10. We are currently experiencing a blocker issue from one of the packages that throws a read-only file system error. great-expectations version 0.18.10 airflow-provider…

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## [Unable to load context](https://discourse.greatexpectations.io/t/unable-to-load-context/2239)

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**Author:** [@Bhavana](https://discourse.greatexpectations.io/u/Bhavana)\
**Replies:** 0\
**Last updated:** [July 1, 2025, 12:14pm UTC](https://discourse.greatexpectations.io/t/unable-to-load-context/2239 "2025-07-01T12:14:47Z")

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i have a data context created at a custom location using get\_context(mode = ‘file’, context\_root\_dir=path) function. after couple of days, when i try to load the existing context using get\_context(mode = ‘file’, context…

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## [Get GX to output SQL and wait for a response](https://discourse.greatexpectations.io/t/get-gx-to-output-sql-and-wait-for-a-response/2228)

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**Author:** [@lcoogan](https://discourse.greatexpectations.io/u/lcoogan)\
**Replies:** 2\
**Last updated:** [June 23, 2025, 9:49am UTC](https://discourse.greatexpectations.io/t/get-gx-to-output-sql-and-wait-for-a-response/2228 "2025-06-23T09:49:33Z")

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Hi, I’m currently trying to implement Great Expectations on some infrastructure that executes SQL queries against data in a non-standard way. As a result, none of the built-in fluent data sources work with this infrastr…

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## [Data Docs in Microsoft Fabric](https://discourse.greatexpectations.io/t/data-docs-in-microsoft-fabric/2198)

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**Author:** [@chrisdiaz](https://discourse.greatexpectations.io/u/chrisdiaz)\
**Replies:** 2\
**Last updated:** [June 19, 2025, 2:47pm UTC](https://discourse.greatexpectations.io/t/data-docs-in-microsoft-fabric/2198 "2025-06-19T14:47:01Z")

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Hello, I am using GX Core in Microsoft fabric notebooks and have it mostly working other than Data Docs. Closest I have gotten is printing an empty data docs HTML page inline but never with my expectation suite in it. I …

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## [GX Core only reads last file in directory when using add\_batch\_definition\_whole\_directory()](https://discourse.greatexpectations.io/t/gx-core-only-reads-last-file-in-directory-when-using-add-batch-definition-whole-directory/2201)

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**Author:** [@lcoogan](https://discourse.greatexpectations.io/u/lcoogan)\
**Replies:** 3\
**Last updated:** [June 18, 2025, 5:10pm UTC](https://discourse.greatexpectations.io/t/gx-core-only-reads-last-file-in-directory-when-using-add-batch-definition-whole-directory/2201 "2025-06-18T17:10:43Z")

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Hello, I have an s3 prefix containing a set of .parquet files. I’m trying to use GX Core to read these files into a single batch to do some validations. I’m using add\_batch\_definition\_whole\_directory(), because the doc…

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## [Data partially read when using: add\_batch\_definition\_whole\_directory()](https://discourse.greatexpectations.io/t/data-partially-read-when-using-add-batch-definition-whole-directory/2068)

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**Author:** [@8toz](https://discourse.greatexpectations.io/u/8toz)\
**Replies:** 2\
**Last updated:** [June 18, 2025, 5:09pm UTC](https://discourse.greatexpectations.io/t/data-partially-read-when-using-add-batch-definition-whole-directory/2068 "2025-06-18T17:09:00Z")

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Hi I am trying to read a parquet file stored in azure blob with the following structure, but the batch definition only brings 16 records when running expectations (taking only one of those files as reference). I have use…

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## [Columns with Dots: The column in BatchData does not exist](https://discourse.greatexpectations.io/t/columns-with-dots-the-column-in-batchdata-does-not-exist/2189)

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**Author:** [@Anna](https://discourse.greatexpectations.io/u/Anna)\
**Replies:** 1\
**Last updated:** [June 13, 2025, 12:05pm UTC](https://discourse.greatexpectations.io/t/columns-with-dots-the-column-in-batchdata-does-not-exist/2189 "2025-06-13T12:05:24Z")

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Dear GX Community, I am using GX version 1.3.10 with spark/Databricks and when I evaluate an Expectation for a column name which include a dot, e.g. “Te.st” I get the error that GX cannot find the column. Is there any w…

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## [Issue with ExpectColumnValuesToBeOfType Expectation For Postgres Database](https://discourse.greatexpectations.io/t/issue-with-expectcolumnvaluestobeoftype-expectation-for-postgres-database/2185)

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**Author:** [@vijaykumar](https://discourse.greatexpectations.io/u/vijaykumar)\
**Replies:** 1\
**Last updated:** [April 25, 2025, 2:10pm UTC](https://discourse.greatexpectations.io/t/issue-with-expectcolumnvaluestobeoftype-expectation-for-postgres-database/2185 "2025-04-25T14:10:21Z")

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Hello Everyone, We got an Issue while performing Validation on Postgres database with below expectation expectation\_with\_condition2 = gx.expectations.ExpectColumnValuesToBeOfType(column="asset\_type\_id", type\_="INTEGER"…

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## [Unable to run 'row\_condition' with spark](https://discourse.greatexpectations.io/t/unable-to-run-row-condition-with-spark/2047)

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**Author:** [@ksenthilkumar86](https://discourse.greatexpectations.io/u/ksenthilkumar86)\
**Replies:** 8\
**Last updated:** [April 9, 2025, 5:29am UTC](https://discourse.greatexpectations.io/t/unable-to-run-row-condition-with-spark/2047 "2025-04-09T05:29:13Z")

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When I try to use the below GX code, I am getting the below error. I am using GX using pyspark and databricks. When I try to comment the row condition statements in the expectaton, then we are not seeing the error. Can y…

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## [Issue with checkpoint.run() results when we have multiple validation definitions](https://discourse.greatexpectations.io/t/issue-with-checkpoint-run-results-when-we-have-multiple-validation-definitions/2119)

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**Author:** [@vijaykumar](https://discourse.greatexpectations.io/u/vijaykumar)\
**Replies:** 1\
**Last updated:** [April 1, 2025, 2:09pm UTC](https://discourse.greatexpectations.io/t/issue-with-checkpoint-run-results-when-we-have-multiple-validation-definitions/2119 "2025-04-01T14:09:59Z")

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Hi Everyone :slightly\_smiling\_face:, I am using checkpoint which have multiple validation definitions , each validation definitions represent one batch. when i run results= checkpoint.run() it is internally processing …

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## [Abnormal behavior on expectation expect\_column\_pair\_values\_a\_to\_be\_greater\_than\_b](https://discourse.greatexpectations.io/t/abnormal-behavior-on-expectation-expect-column-pair-values-a-to-be-greater-than-b/2120)

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**Author:** [@jose.correia](https://discourse.greatexpectations.io/u/jose.correia)\
**Replies:** 1\
**Last updated:** [March 31, 2025, 6:44pm UTC](https://discourse.greatexpectations.io/t/abnormal-behavior-on-expectation-expect-column-pair-values-a-to-be-greater-than-b/2120 "2025-03-31T18:44:19Z")

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Hi all, I have been observing an abnormal bahavior on this expectation on the GX 0.18.8 on Spark, Databricks. Basically what is happening is that it is processing around 1.6Million rows and failing only 11 records in m…

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## [Custom expectations for ExpectColumnPairValuesToBeInSet](https://discourse.greatexpectations.io/t/custom-expectations-for-expectcolumnpairvaluestobeinset/2100)

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**Author:** [@Jeyakaran](https://discourse.greatexpectations.io/u/Jeyakaran)\
**Replies:** 1\
**Last updated:** [March 31, 2025, 6:29pm UTC](https://discourse.greatexpectations.io/t/custom-expectations-for-expectcolumnpairvaluestobeinset/2100 "2025-03-31T18:29:44Z")

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Hi, I am trying to modify the above mentioned expectation for my use case, which needs to check if the values in column\_A and column\_B has the value pairs given in value\_pairs\_set, if yes pass, else fail. The behaviour…

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## [Unable to configure the GE checks to validate parquet files on s3](https://discourse.greatexpectations.io/t/unable-to-configure-the-ge-checks-to-validate-parquet-files-on-s3/2141)

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**Author:** [@sourabh.somvanshi0](https://discourse.greatexpectations.io/u/sourabh.somvanshi0)\
**Replies:** 1\
**Last updated:** [March 31, 2025, 3:44pm UTC](https://discourse.greatexpectations.io/t/unable-to-configure-the-ge-checks-to-validate-parquet-files-on-s3/2141 "2025-03-31T15:44:15Z")

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I am currently accessing parquet files from aws s3 and using AWS MWAA (Airflow) to validate input files. I am using the dataframe approach however I want to access the files directly from s3 without reading into data fra…

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## [How to delete an Expectation Suite?](https://discourse.greatexpectations.io/t/how-to-delete-an-expectation-suite/2152)

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**Author:** [@sha9189](https://discourse.greatexpectations.io/u/sha9189)\
**Replies:** 1\
**Last updated:** [March 19, 2025, 9:47am UTC](https://discourse.greatexpectations.io/t/how-to-delete-an-expectation-suite/2152 "2025-03-19T09:47:49Z")

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I’m using GX Core 1.3.10. I created an Expectation Suite by mistake. How do I delete it? I am using FileDataContext and the project root directory has information of many other Expectations, Data Sources/Assets/Batches…

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## [Great expectation is only returning 20 rows of failed records](https://discourse.greatexpectations.io/t/great-expectation-is-only-returning-20-rows-of-failed-records/1991)

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**Author:** [@zeeshan.fractal](https://discourse.greatexpectations.io/u/zeeshan.fractal)\
**Replies:** 7\
**Last updated:** [March 14, 2025, 8:41am UTC](https://discourse.greatexpectations.io/t/great-expectation-is-only-returning-20-rows-of-failed-records/1991 "2025-03-14T08:41:26Z")

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Hello Everyone, I’m currently working on a project that uses the Snowflake connector with Great Expectations (version 0.17.23). I’ve set up some validation rules, and my data is failing on several of these. However, eve…

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