Connecting Column Based Time Partitioned BigQuery Table In Data Studio

Multi tool use


Connecting Column Based Time Partitioned BigQuery Table In Data Studio
We have a real-time streaming column based time partitioned table in the big-query (with no _partitiontime
pseudo-column) from which we wanted to build reports using Google data studio.
_partitiontime
When selecting the time-partitioned tables in the big query connector, it shows the following:
When Use _PARTITIONTIME as time dimension
is not checked:
Use _PARTITIONTIME as time dimension
The time-based query generated by data studio does a full-scan on big query table increasing our query costs.
The same query auto-generated from data studio but using partitioning field manually in the WebUI as follows:
In the big query data connector, when Use _PARTITIONTIME as time dimension
is checked
Use _PARTITIONTIME as time dimension
It returns the following error for building charts:
As of now, the reports are built using custom queries & views for limited timeframes. I understand the data-studio product & big query column based time partitioning is still in beta
What are the best practices to connect column based time partitioned big query fields in data-studio?
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