version: 2

models:
  - name: stg_dimensions__time
    description: "Staged time dimension - shared across all projects"
    columns:
      - name: date_key
        description: "Primary key (YYYYMM format)"
        data_tests:
          - unique
          - not_null
      - name: full_date
        description: "First day of month"
        data_tests:
          - not_null
      - name: year
        description: "Calendar year"
        data_tests:
          - not_null
      - name: month
        description: "Month number (1-12)"
        data_tests:
          - not_null
      - name: quarter
        description: "Quarter (1-4)"
        data_tests:
          - not_null
      - name: month_name
        description: "Month name"
        data_tests:
          - not_null
      - name: is_month_start
        description: "Always true (monthly grain)"