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20 lines
490 B
SQL
20 lines
490 B
SQL
WITH ranked_dsl AS (
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SELECT
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dsl.*,
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product.name AS product_name,
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ROW_NUMBER() OVER (PARTITION BY product.name, dsl.code ORDER BY dsl.event_time) AS row_num
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FROM
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"device-status-log" AS dsl
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LEFT JOIN device ON device.uuid = dsl.device_id
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LEFT JOIN product ON product.uuid = device.product_device_uuid
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)
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SELECT
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product_name,
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ranked_dsl.*
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FROM
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ranked_dsl
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WHERE ranked_dsl.row_num = 1;
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SELECT * FROM SPACE LIMIT 100
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--test test |