Las consultas avanzadas de esta página se aplican a los datos de exportación de eventos de BigQuery para Google Analytics. Para ver ejemplos más sencillos, consulta la página Consultas básicas.
Productos comprados por clientes que compraron un producto determinado
En la siguiente consulta, se muestra qué otros productos compraron los clientes que compraron un producto específico. En este ejemplo, no se supone que los productos se compraron en el mismo pedido.
El ejemplo optimizado se basa en las funciones de secuencias de comandos de BigQuery para definir una variable que declara los elementos que se deben filtrar. Si bien esto no mejora el rendimiento, es un enfoque más legible para definir variables en comparación con la creación de una tabla de un solo valor con una cláusula WITH. La consulta simplificada usa este último enfoque con la cláusula WITH.
La consulta simplificada crea una lista separada de "compradores del producto A" y realiza una unión con esos datos. En cambio, la consulta optimizada crea una lista de todos los elementos que compró un usuario en los pedidos con la función ARRAY_AGG. Luego, con la cláusula WHERE externa, la consulta filtra las listas de compras de todos los usuarios para el target_item y solo se muestran los elementos relevantes.
Simplificado
-- Example: Products purchased by customers who purchased a specific product.
--
-- `Params` is used to hold the value of the selected product and is referenced
-- throughout the query.
WITH
Params AS (
-- Replace with selected item_name or item_id.
SELECT 'Google Navy Speckled Tee' AS selected_product
),
PurchaseEvents AS (
SELECT
user_pseudo_id,
items
FROM
-- Replace table name.
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`
WHERE
-- Replace date range.
_TABLE_SUFFIX BETWEEN '20201101' AND '20210131'
AND event_name = 'purchase'
),
ProductABuyers AS (
SELECT DISTINCT
user_pseudo_id
FROM
Params,
PurchaseEvents,
UNNEST(items) AS items
WHERE
-- item.item_id can be used instead of items.item_name.
items.item_name = selected_product
)
SELECT
items.item_name AS item_name,
SUM(items.quantity) AS item_quantity
FROM
Params,
PurchaseEvents,
UNNEST(items) AS items
WHERE
user_pseudo_id IN (SELECT user_pseudo_id FROM ProductABuyers)
-- item.item_id can be used instead of items.item_name
AND items.item_name != selected_product
GROUP BY 1
ORDER BY item_quantity DESC;
Optimizado
-- Optimized Example: Products purchased by customers who purchased a specific product.
-- Replace item name
DECLARE target_item STRING DEFAULT 'Google Navy Speckled Tee';
SELECT
IL.item_name AS item_name,
SUM(IL.quantity) AS quantity
FROM
(
SELECT
user_pseudo_id,
ARRAY_AGG(STRUCT(item_name, quantity)) AS item_list
FROM
-- Replace table
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`, UNNEST(items)
WHERE
-- Replace date range
_TABLE_SUFFIX BETWEEN '20201201' AND '20201210'
AND event_name = 'purchase'
GROUP BY
1
),
UNNEST(item_list) AS IL
WHERE
target_item IN (SELECT item_name FROM UNNEST(item_list))
-- Remove the following line if you want the target_item to appear in the results
AND target_item != IL.item_name
GROUP BY
item_name
ORDER BY
quantity DESC;
Gasto promedio por sesión de compra
En las siguientes consultas, se calcula el importe promedio de dinero gastado por sesión, teniendo en cuenta solo las sesiones en las que un usuario realizó una compra. Ambas consultas usan una expresión de tabla común (CTE) para calcular primero el gasto total de cada sesión de compra única.
1. Importe promedio gastado por sesión de compra POR USUARIO:
En esta consulta, se muestra el gasto promedio por sesión de cada usuario individual:
-- Calculates the average session spend per user.
WITH
session_spend AS (
SELECT
user_pseudo_id,
(SELECT value.int_value FROM UNNEST(event_params) WHERE key = 'ga_session_id') AS session_id,
SUM(
COALESCE(
(SELECT value.int_value FROM UNNEST(event_params) WHERE key = 'value'),
(SELECT value.float_value FROM UNNEST(event_params) WHERE key = 'value'),
(SELECT value.double_value FROM UNNEST(event_params) WHERE key = 'value'),
0.0)
) AS total_session_spend
FROM
-- Replace table name.
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`
WHERE
event_name = 'purchase'
-- Replace date range.
AND _TABLE_SUFFIX BETWEEN '20201101' AND '20210131'
AND EXISTS(SELECT 1 FROM UNNEST(event_params) WHERE key = 'ga_session_id' AND value.int_value IS NOT NULL)
GROUP BY
user_pseudo_id, session_id
)
SELECT
user_pseudo_id,
COUNT(session_id) AS number_of_purchase_sessions,
AVG(total_session_spend) AS avg_spend_per_session_by_user
FROM
session_spend
GROUP BY
user_pseudo_id
ORDER BY
avg_spend_per_session_by_user DESC;
2. Importe promedio gastado EN TODAS las sesiones de compra:
Esta consulta calcula el gasto promedio general de cada sesión de compra única de todos los usuarios:
-- Calculates the overall average session spend across all users and sessions.
WITH
session_spend AS (
SELECT
user_pseudo_id,
(SELECT value.int_value FROM UNNEST(event_params) WHERE key = 'ga_session_id') AS session_id,
SUM(
COALESCE(
(SELECT value.int_value FROM UNNEST(event_params) WHERE key = 'value'),
(SELECT value.float_value FROM UNNEST(event_params) WHERE key = 'value'),
(SELECT value.double_value FROM UNNEST(event_params) WHERE key = 'value'),
0.0)
) AS total_session_spend
FROM
-- Replace table name.
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`
WHERE
event_name = 'purchase'
-- Replace date range.
AND _TABLE_SUFFIX BETWEEN '20201101' AND '20210131'
AND EXISTS(SELECT 1 FROM UNNEST(event_params) WHERE key = 'ga_session_id' AND value.int_value IS NOT NULL)
GROUP BY
user_pseudo_id, session_id
)
SELECT
COUNT(session_id) AS total_purchase_sessions,
AVG(total_session_spend) AS overall_avg_spend_per_session
FROM
session_spend;
ID y número de sesión más recientes de los usuarios
En la siguiente consulta, se proporciona la lista de los ga_session_id y ga_session_number más recientes de los últimos 4 días para una lista de usuarios. Puedes proporcionar una lista user_pseudo_id o una lista user_id.
user_pseudo_id
-- Get the latest ga_session_id and ga_session_number for specific users during last 4 days.
-- Replace timezone. List at https://en.wikipedia.org/wiki/List_of_tz_database_time_zones.
DECLARE REPORTING_TIMEZONE STRING DEFAULT 'America/Los_Angeles';
-- Replace list of user_pseudo_id's with ones you want to query.
DECLARE USER_PSEUDO_ID_LIST ARRAY<STRING> DEFAULT
[
'1005355938.1632145814', '979622592.1632496588', '1101478530.1632831095'];
CREATE TEMP FUNCTION GetParamValue(params ANY TYPE, target_key STRING)
AS (
(SELECT `value` FROM UNNEST(params) WHERE key = target_key LIMIT 1)
);
CREATE TEMP FUNCTION GetDateSuffix(date_shift INT64, timezone STRING)
AS (
(SELECT FORMAT_DATE('%Y%m%d', DATE_ADD(CURRENT_DATE(timezone), INTERVAL date_shift DAY)))
);
SELECT DISTINCT
user_pseudo_id,
FIRST_VALUE(GetParamValue(event_params, 'ga_session_id').int_value)
OVER (UserWindow) AS ga_session_id,
FIRST_VALUE(GetParamValue(event_params, 'ga_session_number').int_value)
OVER (UserWindow) AS ga_session_number
FROM
-- Replace table name.
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`
WHERE
user_pseudo_id IN UNNEST(USER_PSEUDO_ID_LIST)
AND RIGHT(_TABLE_SUFFIX, 8)
BETWEEN GetDateSuffix(-3, REPORTING_TIMEZONE)
AND GetDateSuffix(0, REPORTING_TIMEZONE)
WINDOW UserWindow AS (PARTITION BY user_pseudo_id ORDER BY event_timestamp DESC);
user_id
-- Get the latest ga_session_id and ga_session_number for specific users during last 4 days.
-- Replace timezone. List at https://en.wikipedia.org/wiki/List_of_tz_database_time_zones.
DECLARE REPORTING_TIMEZONE STRING DEFAULT 'America/Los_Angeles';
-- Replace list of user_id's with ones you want to query.
DECLARE USER_ID_LIST ARRAY<STRING> DEFAULT ['<user_id_1>', '<user_id_2>', '<user_id_n>'];
CREATE TEMP FUNCTION GetParamValue(params ANY TYPE, target_key STRING)
AS (
(SELECT `value` FROM UNNEST(params) WHERE key = target_key LIMIT 1)
);
CREATE TEMP FUNCTION GetDateSuffix(date_shift INT64, timezone STRING)
AS (
(SELECT FORMAT_DATE('%Y%m%d', DATE_ADD(CURRENT_DATE(timezone), INTERVAL date_shift DAY)))
);
SELECT DISTINCT
user_pseudo_id,
FIRST_VALUE(GetParamValue(event_params, 'ga_session_id').int_value)
OVER (UserWindow) AS ga_session_id,
FIRST_VALUE(GetParamValue(event_params, 'ga_session_number').int_value)
OVER (UserWindow) AS ga_session_number
FROM
-- Replace table name.
`bigquery-public-data.ga4_obfuscated_sample_ecommerce.events_*`
WHERE
user_id IN UNNEST(USER_ID_LIST)
AND RIGHT(_TABLE_SUFFIX, 8)
BETWEEN GetDateSuffix(-3, REPORTING_TIMEZONE)
AND GetDateSuffix(0, REPORTING_TIMEZONE)
WINDOW UserWindow AS (PARTITION BY user_pseudo_id ORDER BY event_timestamp DESC);