Hello everyone, I am trying to setup GX on a table that we have stored in an S3 Storage. The connection should be done with Trino. I am running on Python 3.11 with GX 0.17.14 in a Jupyter Notebook. I tried to follow the getting started guide in the documentation. Here is my code so far: import g…

just fyi: don’t be surprised, that the returned data frame in validator.output has only a single row - our test environment sometimes has some very sparse tables :upside_down_face:

Hm… @allekai that does sound very strange. Overall your code looks good, no steps forgotten. It maybe the case that your sparse tables are causing some issues that’s making it difficult for our validator to track. Please let me know if this is causing issues repeatedly. You’re also welcome to try wi…

Hi, thanks for your Feedback - I also tried with a different table, that has at least a few hundred rows. I get the same behavior with that table :confused: Here is a count(*) grouped by tenant for the table: [test] So the size should probably not be a problem. I also oserve the following warnin…

Here is my stacktrace when running validator.expect_column_values_to_not_be_null(column="my_column"): Somewhere in the MetricsCalculator part are lost? I am new to GX, still trying to wrap my head around the concepts :sweat_smile: InvalidMetricAccessorDomainKwargsKeyError Traceback (most recent ca…

I will try it again with an older version of GX - I hope I can find time today

Unfortunately, I still get an error even with the downgraded Version 0.16.16 @HaebichanGX should I open an GitHub issue for this? Or how can we proceed here?

Hey @allekai pardon the late response. I don’t seem to get notified well on these. Yes please create a Github issue for these.

Hi @Freya we’re on our way to release GX 1.0, our biggest overhaul for the OSS version, so there unfortunately won’t be much development in our existing versions. Let me take a look at this issue in case there are additional information on this. Also in your situation, can you please try add_table_…

Validator.columns() returns empty list - validator.head() shows data though

GX Core Support

Freya January 22, 2024, 1:12am 9

hey @HaebichanGX is this issue solved? seems I faced same problem The column "xxx" in BatchData does not exist for query asset batch request

Topic		Replies	Views
Unable to validate column expectation on trino query asset GX Core Support help-wanted	0	16	January 29, 2026
The column "xxx" in BatchData does not exist for query asset batch request GX Core Support help-wanted	3	603	January 26, 2024
Columns are missing in BatchData with Trino datasource GX Core Support help-wanted	2	108	October 22, 2025
Cannot use QueryAsset with Microsoft SQL Server (MSSQL) GX Core Support	4	644	January 4, 2024
Columns with Dots: The column in BatchData does not exist GX Core Support help-wanted , databricks	1	93	June 13, 2025

Validator.columns() returns empty list - validator.head() shows data though

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