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SQL API - BigQuery - Cube now converts static date casts to timestamp type triggers DATE <> TIMESTAMP error #9768

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api:sqlIssues related to SQL API driver:bigqueryIssues related to the BigQuery driver
@tlangton3

Description

Error during processing PostgreSQL message: CubeError: Arrow error: Compute error: Error: No matching signature for operator = for argument types: DATE, TIMESTAMP
 Signature: T1 = T1
 Unable to find common supertype for templated argument <T1>
 Input types for <T1>: {DATE, TIMESTAMP} at [6:323]

is generated by this being sent to cube

where CAST(deliver_date AS DATE) = CAST('2025年07月09日' AS DATE)

which cube translates to

CAST(timestamp(`reporting_table`.deliver_date) AS DATE) = TIMESTAMP('2025年07月09日')

This is on version 1.3.34.

Tool
Tableau, BigQuery

Version:
v1.3.34

Additional context
I checked back to 1.3.27 and the error happens there too. Works on 1.3.12 which is the version we are currently running.

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