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I'm trying to merge two billing export tables in GCP BigQuery into a single table. Each table is partitioned by _PARTITIONTIME.

I attempted to perform a bulk data load from one table into the other using an LOAD query, but after a few minutes, the data disappears without any error or log indication.

Is there a reliable way to transfer data from the old table to the new one without the risk of it being deleted or overwritten? Ideally, I want to preserve both the existing data in the new table and the partitions from the old table.

I don't want to use 'UNION ALL'.

Any advice or best practices would be greatly appreciated!

I attempted to perform a bulk data load from one table into the other using an LOAD query, but after a few minutes, the data disappears without any error or log indication.

I expect to see the data inside the new table, and not be deleted after several min.

I'm trying to merge two billing export tables in GCP BigQuery into a single table. Each table is partitioned by _PARTITIONTIME.

I attempted to perform a bulk data load from one table into the other using an LOAD query, but after a few minutes, the data disappears without any error or log indication.

Is there a reliable way to transfer data from the old table to the new one without the risk of it being deleted or overwritten? Ideally, I want to preserve both the existing data in the new table and the partitions from the old table.

I don't want to use 'UNION ALL'.

Any advice or best practices would be greatly appreciated!

I attempted to perform a bulk data load from one table into the other using an LOAD query, but after a few minutes, the data disappears without any error or log indication.

I expect to see the data inside the new table, and not be deleted after several min.

Share Improve this question asked Nov 21, 2024 at 8:40 Ori Av-sapirOri Av-sapir 11 bronze badge 2
  • Why do you want to duplicate the data? Which advantage? – guillaume blaquiere Commented Nov 21, 2024 at 9:45
  • Hey, yes. I want to duplicate the data. The company created one more billing account. I have many Looker Studio dashboards, and the old large table is connected to several third-party services. So yes, I need to copy all the data to the third-party services and set up a scheduled query to transfer the data from each day. – Ori Av-sapir Commented Nov 21, 2024 at 10:07
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Unfortunately, based on the official documentation, this is not possible. Thank you, everyone, for your input!

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