Shopify-Produktsynchronisierung

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-- -----------------------------------------------------------------------------
-- When the metafield is stored as a JSON array in catalog field_value (for example,
-- '["winter","summer"]' or a list-type Shopify metafield serialized to JSON),
-- use ARRAY_CONTAINS like product_tags. Cast the element you search for to
-- VARIANT so types match the parsed array elements.
-- -----------------------------------------------------------------------------

-- Description:
-- Fetches users who triggered the ecommerce event with a product whose
-- metafield array contains a specific value (for example, segment on "seasonal").
-- For a date range, add events.time >= $start_date AND events.time <= $end_date.
-- For first/last triggered, reuse the CTE pattern from Template 3 with this
-- ARRAY_CONTAINS predicate instead of items.field_value = '<metafield_value>'.
SELECT
    DISTINCT(events.user_id)
FROM
    USERS_BEHAVIORS_CUSTOMEVENT_SHARED AS events,
    LATERAL FLATTEN(input => GET_PATH(TRY_PARSE_JSON(events.properties), 'products'), outer => false) AS event_item
    JOIN CATALOGS_ITEMS_SHARED AS items ON (
        (
            items.field_name = 'id'
            AND items.field_value = GET_PATH(event_item.value, 'variant_id')::STRING
        )
        OR
        items.item_id = GET_PATH(event_item.value, 'variant_id')::STRING
    )
WHERE
    events.name = 'ecommerce.order_placed'
    AND events.app_group_id = '<app_group_id>'
    AND items.catalog_id = '<catalog_id>'
    AND items.field_name = '<metafield_name>'
    AND ARRAY_CONTAINS('<array_element_value>'::VARIANT, TRY_PARSE_JSON(items.field_value));

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-- =============================================================================
-- Segment Extension: Metafields × Ecommerce Events — Example SQL Templates
-- =============================================================================
-- Metafield column names in CATALOGS_ITEMS_SHARED follow:
--   field_name = 'metafield_<namespace>_<key>'
-- Replace placeholders: app_group_id, catalog_id, event name, and the metafield
-- field_name + value. For array-type metafield values, use ARRAY_CONTAINS
-- with TRY_PARSE_JSON(items.field_value) similar to the product_tags example.
-- =============================================================================

-- -----------------------------------------------------------------------------
-- Template 1: Map metafields to event triggers (all time)
-- -----------------------------------------------------------------------------
-- Users who have ever triggered the ecommerce event with a product that has
-- the given metafield value. Event-agnostic: change events.name for the
-- desired event (e.g. ecommerce.order_placed, ecommerce.product_viewed).
-- -----------------------------------------------------------------------------

-- Description:
-- Fetches users who have engaged with catalog items that have a specific
-- product metafield. Joins the catalog to custom events by matching
-- events.properties.products (e.g. variant_id) to catalog items.
SELECT
    DISTINCT(events.user_id)
FROM
    USERS_BEHAVIORS_CUSTOMEVENT_SHARED AS events,
    LATERAL FLATTEN(input => GET_PATH(TRY_PARSE_JSON(events.properties), 'products'), outer => false) AS event_item
    JOIN CATALOGS_ITEMS_SHARED AS items ON (
        (
            items.field_name = 'id'
            AND items.field_value = GET_PATH(event_item.value, 'variant_id')::STRING
        )
        OR
        items.item_id = GET_PATH(event_item.value, 'variant_id')::STRING
    )
WHERE
    events.name = 'ecommerce.order_placed'
    AND events.app_group_id = '<app_group_id>'
    AND items.catalog_id = '<catalog_id>'
    AND items.field_name = '<metafield_name>'
    AND items.field_value = '<metafield_value>';


-- -----------------------------------------------------------------------------
-- Template 2: Map metafields to event triggers (for a specific period)
-- -----------------------------------------------------------------------------
-- Same as Template 1, restricted to events within a time window. Use
-- $start_date and $end_date (Segment Extension parameters) or literal
-- Unix timestamps.
-- -----------------------------------------------------------------------------

-- Description:
-- Fetches users who triggered the ecommerce event with a product that has
-- the given metafield value within the specified time range.
SELECT
    DISTINCT(events.user_id)
FROM
    USERS_BEHAVIORS_CUSTOMEVENT_SHARED AS events,
    LATERAL FLATTEN(input => GET_PATH(TRY_PARSE_JSON(events.properties), 'products'), outer => false) AS event_item
    JOIN CATALOGS_ITEMS_SHARED AS items ON (
        (
            items.field_name = 'id'
            AND items.field_value = GET_PATH(event_item.value, 'variant_id')::STRING
        )
        OR
        items.item_id = GET_PATH(event_item.value, 'variant_id')::STRING
    )
WHERE
    events.name = 'ecommerce.order_placed'
    AND events.app_group_id = '<app_group_id>'
    AND events.time >= $start_date
    AND events.time <= $end_date
    AND items.catalog_id = '<catalog_id>'
    AND items.field_name = '<metafield_name>'
    AND items.field_value = '<metafield_value>';


-- -----------------------------------------------------------------------------
-- Template 3: Map metafields — first or last triggered an event
-- -----------------------------------------------------------------------------
-- Users for whom the *first* (earliest) or *last* (most recent) matching
-- event (by time) involved a product with the given metafield. Switch
-- ORDER BY to time ASC for first, time DESC for last.
-- -----------------------------------------------------------------------------

-- Description:
-- Fetches users whose first (or last) occurrence of the ecommerce event
-- involved a catalog item with the specified metafield value.
WITH events_with_catalog_metafield AS (
    SELECT
        events.user_id,
        events.time,
        events.id AS event_id,
        ROW_NUMBER() OVER (
            PARTITION BY events.user_id
            ORDER BY events.time ASC   -- use DESC for "last triggered"
        ) AS rn
    FROM
        USERS_BEHAVIORS_CUSTOMEVENT_SHARED AS events,
        LATERAL FLATTEN(input => GET_PATH(TRY_PARSE_JSON(events.properties), 'products'), outer => false) AS event_item
        JOIN CATALOGS_ITEMS_SHARED AS items ON (
            (
                items.field_name = 'id'
                AND items.field_value = GET_PATH(event_item.value, 'variant_id')::STRING
            )
            OR
            items.item_id = GET_PATH(event_item.value, 'variant_id')::STRING
        )
    WHERE
        events.name = 'ecommerce.order_placed'
        AND events.app_group_id = '<app_group_id>'
        AND items.catalog_id = '<catalog_id>'
        AND items.field_name = '<metafield_name>'
        AND items.field_value = '<metafield_value>'
)
SELECT
    user_id
FROM
    events_with_catalog_metafield
WHERE
    rn = 1;