Fix preservesPartitionLabels for empty labels #681
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The distributing optimizer treats empty partition labels as disjoint, which I don't think is technically correct. If two engines have empty labels, they have an identical labelset and should be considered overlapping. Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com>
MichaHoffmann
approved these changes
Jan 9, 2026
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The distributing optimizer treats empty partition labels as disjoint, which I don't think is technically correct. If two engines have empty labels, they have an identical labelset and should be considered overlapping.