feat(spanner/spansql): support CAST and SAFE_CAST #5057
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Adds support for the CAST and SAFE_CAST functions. This change also includes a small refactor of the function evaluation to allow the function evaluation to receive both parsing errors and type information for the arguments. This makes it easier to implement the SAFE versions of the functions.
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rahulredcap
approved these changes
Nov 2, 2021
rahul2393
approved these changes
Nov 2, 2021
hengfengli
approved these changes
Nov 3, 2021
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Adds support for the CAST and SAFE_CAST functions. This change also includes a small refactor of the function evaluation to allow the function evaluation to receive type information for the arguments. This makes it easier to implement conversion functions.