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feat: add coalesce function #301

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Sep 2, 2022
Merged

feat: add coalesce function #301

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12 changes: 12 additions & 0 deletions extensions/functions_comparison.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -133,4 +133,16 @@ scalar_functions:
- value: any1
- value: any1
return: any1
-
name: "coalesce"
description: >-
Evaluate arguments from left to right and return the first argument that is not null. Once
a non-null argument is found, the remaining arguments are not evaluated.

If all arguments are null, return null.
impls:
- args:
- value: any1
variadic:
min: 2
return: any1