Posted in Query

Creating Structured Views Over Semi-Structured Data

   November 25, 2023

A view allows the result of a query to be accessed as if it were a table. Views serve a variety of purposes, including combining, segregating, and protecting data.

CREATE OR REPLACE VIEW frostbyte_tasty_bytes.harmonized.menu_v
    AS
SELECT 
    m.menu_id,
    m.menu_type_id,
    m.menu_type,
    m.truck_brand_name,
    m.menu_item_health_metrics_obj:menu_item_id::integer AS menu_item_id,
    m.menu_item_name,
    m.item_category,
    m.item_subcategory,
    m.cost_of_goods_usd,
    m.sale_price_usd,
    obj.value:"ingredients"::VARIANT AS ingredients,
    obj.value:"is_healthy_flag"::VARCHAR(1) AS is_healthy_flag,
    obj.value:"is_gluten_free_flag"::VARCHAR(1) AS is_gluten_free_flag,
    obj.value:"is_dairy_free_flag"::VARCHAR(1) AS is_dairy_free_flag,
    obj.value:"is_nut_free_flag"::VARCHAR(1) AS is_nut_free_flag
FROM frostbyte_tasty_bytes.raw_pos.menu m,
    LATERAL FLATTEN (input => m.menu_item_health_metrics_obj:menu_item_health_metrics) obj;