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feat: add loaders and dbt models for Toronto housing data

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Sprint 4 implementation:

Loaders:
- base.py: Session management, bulk insert, upsert utilities
- dimensions.py: Load time, district, zone, neighbourhood, policy dimensions
- trreb.py: Load TRREB purchase data to fact_purchases
- cmhc.py: Load CMHC rental data to fact_rentals

dbt Project:
- Project configuration (dbt_project.yml, packages.yml)
- Staging models for all fact and dimension tables
- Intermediate models with dimension enrichment
- Marts: purchase analysis, rental analysis, market summary

Closes #16

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Leo Miranda
2026-01-11 16:07:30 -05:00
parent 88e23674a8
commit 457bb49395
22 changed files with 1320 additions and 0 deletions
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dbt/packages.yml Normal file
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@@ -0,0 +1,5 @@
packages:
- package: dbt-labs/dbt_utils
version: ">=1.0.0"
- package: calogica/dbt_expectations
version: ">=0.10.0"