Oliver Lee created CALCITE-5557:
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Summary: Add SAFE_CAST (big BigQuery compatibility)
Key: CALCITE-5557
URL: https://issues.apache.org/jira/browse/CALCITE-5557
Project: Calcite
Issue Type: New Feature
Reporter: Oliver Lee
Implement SAFE_CAST per BigQuery specifications
https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators#safe_casting
Equivalent to CAST(), except it will return {{null}} instead of throwing an
exception if the casting fails.
SAFE_CAST("1" as INT64) -> 1
SAFE_CAST("a" as INT64) -> null
SAFE_CAST("2022-12-12" as DATE) -> DATE('2022-12-12')
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