Fix capabilities reported by UnnestStorageAdapter. #16551
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UnnestStorageAdapter and its cursors did not return capabilities correctly for the output column. This patch fixes two problems: 1) UnnestStorageAdapter returned the capabilities of the unnest virtual column prior to unnesting. It should return the post-unnest capabilities. 2) UnnestColumnValueSelectorCursor passed through isDictionaryEncoded from the unnest virtual column. This is incorrect, because the dimension selector created by this class never has a dictionary. This is the cause of apache#16543.
clintropolis
approved these changes
Jun 5, 2024
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UnnestStorageAdapter and its cursors did not return capabilities correctly for the output column. This patch fixes two problems:
UnnestStorageAdapter returned the capabilities of the unnest virtual
column prior to unnesting. It should return the post-unnest capabilities.
UnnestColumnValueSelectorCursor passed through isDictionaryEncoded from
the unnest virtual column. This is incorrect, because the dimension selector
created by this class never has a dictionary.
Fixes #16543.