Throw an error when an invalid expression is used with aux iterators #6258
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Backport of #6255 to 0.12. |
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The following query was fixed previously:
SELECT 'value' FROM cpu
This ended up hitting the `buildExprIterator()` code path and was
handled properly. But this query:
SELECT 'value', value FROM cpu
This took a different code path that would trigger a panic because it
triggered a panic instead of an error condition. This code path has now
been modified to trigger an error instead of a panic.
Fixes #6248.
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The following query was fixed previously:
This ended up hitting the
buildExprIterator()code path and washandled properly. But this query:
This took a different code path that would trigger a panic because it
triggered a panic instead of an error condition. This code path has now
been modified to trigger an error instead of a panic.
Fixes #6248.