[dagster-dbt] updates default_code_version_fn to take from dbt checksum if available
#26071
+21
−6
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OwenKephart
requested changes
Nov 22, 2024
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Hi @marijncv ! Thanks for the submission. This definitely makes sense as a feature. If we were starting from scratch, it'd probably make sense to just use the checksum for all cases, but this would be a fairly rough breaking change.
Overall, I'm in favor of this change, just had a minor comment on style
| return hashlib.sha1(code.encode("utf-8")).hexdigest() | ||
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| return ( | ||
| dbt_resource_props["checksum"]["checksum"] |
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just for style consistency, this can be return dbt_resource_props.get("checksum", {}).get("checksum")
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Summary & Motivation
This updates the
default_code_version_fnindagster-dbtto read fromdbt_resource_props["checksum"]["checksum"]if available (suggested here). This gives dbt seeds a valid model version.An alternative implementation could be to always read from the checksum field and ignore the
raw_sqlandraw_codefields. This would simplify the code version getter, but this would cause all current code versions of dbt models to be updated. Perhaps something for a breaking release?Closes #25947
How I Tested These Changes
Added test
Changelog
dagster-dbtnow gives dbt seeds a valid code version