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feat(dimensional): add semester + passing_grade to dim_course_run from MicroMasters exam runs #2319

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feat(dimensional): add semester + passing_grade to dim_course_run from MicroMasters exam runs #2319

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d5e4681
feat(dimensional): add semester and passing_grade to dim_course_run; …
quazi-h Jun 17, 2026
28cd53f
fix: restore original formatting, fix SCD2 sentinel, add YAML docs
quazi-h Jun 23, 2026
7a96fb5
fix: remove dim_course_run join from mart to fix build failure
quazi-h Jun 24, 2026
92d69c0
revert: restore marts__micromasters_dedp_exam_grades to main (no func…
quazi-h Jun 24, 2026
96ee431
fix(dim_course_run): dedup micromasters_examruns CTE; fix semester do…
quazi-h Jun 30, 2026
39dec9a
fix(dim_course_run): replace QUALIFY with ROW_NUMBER subquery for Tri…
quazi-h Jul 1, 2026
fe7303d
fix: add deterministic tie-breaker to micromasters_examruns dedup
quazi-h Jul 1, 2026
6dfc8dd
style: split else branch onto separate line for consistency
quazi-h Jul 1, 2026
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15 changes: 15 additions & 0 deletions src/ol_dbt/models/dimensional/_dim_course_run.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,21 @@ models:
description: >
Timestamp when the course run was created in the source system. Populated for
mitxonline, mitxpro, and residential platforms. Null for edxorg and bootcamps.
- name: semester
description: >
Academic term identifier for a MicroMasters proctored exam run (e.g. "2T2022").
Populated only for MITxOnline course runs that correspond to a MicroMasters
exam
run. Null for all other platforms and non-exam MITxOnline course runs.
- name: passing_grade
description: >
Passing score threshold (0.0–1.0) set per MicroMasters proctored exam run.
Populated only for MITxOnline course runs that correspond to a MicroMasters
exam
run. Null for all other platforms and non-exam MITxOnline course runs. Note:
a
stored value of null and an actual passing grade of 0.0 are distinct; -1.0 is
used as the SCD2 change-detection sentinel to distinguish them.
- name: effective_date
description: >
Timestamp (UTC) when this SCD Type 2 version became effective. Always set for
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