Schema evolution doesn't work for the delta table format on the filesystem destination when using the merge write disposition. New columns (that emerge after initial creation of the table) are disregarded—they don't end up in the table.
The append and replace dispositions don't have this issue.
dlt version
0.5.4a0
Describe the problem
Schema evolution doesn't work for the
deltatable format on thefilesystemdestination when using themergewrite disposition. New columns (that emerge after initial creation of the table) are disregarded—they don't end up in the table.The
appendandreplacedispositions don't have this issue.Expected behavior
No response
Operating system
Windows
Runtime environment
Local
Python version
3.8
dlt data source
No response
dlt destination
Filesystem & buckets
Other deployment details
No response
Additional information
No response