sql: null array element in cast is null #28860
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Prior,
ARRAY[NULL]::STRING[]
would beARRAY['NULL']
, rather thanARRAY[NULL]
. This was because the evaluation of a CastExpr prior wouldhandle nulls by itself and so the extra case in the switch statement
went unnoticed.
Release note (bug fix): Casting arrays now correctly preserves NULL
values.