fix: Projection stats Absent for columns referenced >1 time#22679
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asolimando
approved these changes
Jun 1, 2026
neilconway
changed the title
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Which issue does this PR close?
Absentfor columns referenced >1 time #22678.Rationale for this change
ProjectionExprs::project_statisticsusesstd::mem::taketo move an input column'sColumnStatisticsinto the output when given a direct column reference. This means if the column is referenced again (either directly or in aCASTexpression), the statistics areAbsent. The simple fix is to justcloneinstead oftake.This pattern crops up in TPC-DS q54, which includes a CTE that projects both
d_date_skandCAST(d_date_sk AS Float64), but it's a more general bug.What changes are included in this PR?
Are these changes tested?
Yes; new test added.
Are there any user-facing changes?
No.