udemy-complete-dbt-bootcamp/code_thingies/dbtlearn/models/fact/fact_reviews.sql

{{
    config(
        materialized = 'incremental',
        on_schema_change = 'fail'
    )
}}
WITH src_reviews AS (
    SELECT *
    FROM
        {{ ref('src_reviews') }}
)
SELECT
    {{ dbt_utils.surrogate_key(['listing_id', 'review_date', 'reviewer_name', 'review_text']) }} as review_id,
    *
FROM
    src_reviews
WHERE
    review_text IS NOT NULL
{% if is_incremental() %}
    AND review_date > (SELECT MAX(review_date) FROM {{ this }})
{% endif %}