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Mutator Question: Is it possible to partition by ingestion time? #319

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lionkeng opened this issue Dec 4, 2022 · 1 comment
Open

Mutator Question: Is it possible to partition by ingestion time? #319

lionkeng opened this issue Dec 4, 2022 · 1 comment

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@lionkeng
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lionkeng commented Dec 4, 2022

From the changes made in #113, it looks like the column identified for partitioning that the mutator cli takes has to exist. What I'd like to do is to actually partition the table by ingestion time (https://cloud.google.com/bigquery/docs/partitioned-tables#ingestion_time). This is a pseudo column named _PARTITIONTIME. Can this be supported?
@dilyand
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dilyand commented Dec 13, 2022

Hi @lionkeng , apologies for the long silence about your question.

You can create a table by specifying the load_tstamp column as the partitioning column. This column will be automatically added to the table, ie it doesn't need to exist in advance.

Would that help?

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@lionkeng @dilyand