Snowflake Connector Column Limit?

ceedeebee
ceedeebee Member
in Connectors

We're currently testing our Snowflake-Domo (key pair) connector and running into issues when querying wide tables from our Snowflake instance.

The table in question is ~12M rows and 400+ columns. Currently we import this into Domo with the Amazon S3 connector. This works, though can be slow (2-6 hours) to complete.

We've established the Snowflake Key-Pair connector successfully, but when we query this table we get the error "Failed to execute import successfully." I've trimmed the SELECT to only include ~250 columns, but received the same error.

I was able to successfully import with 100 columns (in 18m 44s), so it would appear that the range for columns that we can import is between 100 and 250. While a large # of columns isn't ideal (and we're actively trimming them down), this is the first time we've experienced this issue.

Is there a known limit to the # of columns that can be imported via Snowflake, or is there a better solution or configuration we should attempt for wide tables?

Tagged:

Answers

  • ceedeebee
    ceedeebee Member

    Tried 150 columns and it successfully completed after 32m 18s.

    Tried 200 columns and is failed after 47m 26s.

    Sounds like the sweet spot is somewhere in between.

  • MarkSnodgrass
    MarkSnodgrass Coach

    Can you break it up into two datasets an then join it back together in Magic ETL?

    **Check out my Domo Tips & Tricks Videos

    **Make sure to <3 any users posts that helped you.
    **Please mark as accepted the ones who solved your issue.
  • ceedeebee
    ceedeebee Member

    That's an option we'd explore as a last case scenario, though I'd be worried about runtime/job success when joining 150+150+100 column tables at 12M rows a piece.

    Short-term trying to figure out a column limit and going from there. May break these into use-case specific datasets from a single source anyway.

Categories