Skip to content

DBT Test: Exporter Provinces Match Reference

DBT test name: exporter_provinces_match_reference

DBT details

Description

No description

Details

Models

Macros

{{ test_reference_match(**_dbt_generic_test_kwargs) }}

    with unioned as (
        -- 2. Union distinct key combinations from both models
        -- Each row is tagged with its source ('model' or 'compare_to_model') to track its origin.

        -- Select distinct keys from the primary model
      select distinct

          EXPORTER_PROV_CODE as exporter_prov_code,

          'ID-' || prov_code::int::text as id___prov_codeinttext
        ,
        'model' as source_table
      from "trase_production"."main"."wood_pulp_ind_v3_2_0_2025_post_embedding_quant"

      where EXPORTER_PROV_CODE != 'ID-XX'


      union all

      -- Select distinct keys from the comparison model
      select distinct

          EXPORTER_PROV_CODE as exporter_prov_code,

          'ID-' || prov_code::int::text as id___prov_codeinttext
        ,
        'compare_to_model' as source_table
      from "trase_production"."main"."indonesia_kabupaten_boundaries_simplified_2023"

    ),

    grouped as (
      -- 3. Group by the key columns to find unique occurrences
      -- Keys that appear only once (`occurrences = 1`) represent a mismatch between the models.
      select

          exporter_prov_code,

          id___prov_codeinttext,

        count(*) as occurrences,
        min(source_table) as source_table -- If occurrences = 1, this reveals the single source table
      from unioned
      group by

          exporter_prov_code,

          id___prov_codeinttext

    )

    -- 4. Select and classify the discrepancies based on the join_type
    -- The test fails if this query returns any rows.
    select

        exporter_prov_code,

        id___prov_codeinttext,

      case
        when source_table = 'compare_to_model'
        then 'missing from model' -- The key was only in the reference model
        when source_table = 'model'
        then 'missing from reference' -- The key was only in the primary model
      end as error_type
    from grouped
    where occurrences = 1

        -- For a 'left' join test, we only care if rows from the main `model` are missing from `compare_to`.
        -- These are rows that appear only once and have `source_table = 'model'`.
      and source_table = 'model'