Add ExpressionAnalyzer for pluggable expression-level statistics estimation#21122

Open

asolimando wants to merge 8 commits intoapache:mainfrom

asolimando:asolimando/ndv-expression-analyzer

Commits on Apr 1, 2026

Add ExpressionAnalyzer for pluggable expression-level statistics
asolimando
committed
Fix CI: update config docs, sqllogictest, and doc links
asolimando
committed
Fix doc placement, import path, extract helper, defer selectivity computation
asolimando
committed

Commits on Apr 2, 2026

Snapshot column stats for analyzer to avoid ordering dependency
asolimando
committed
Use registry NDV for equality/inequality selectivity on expressions
asolimando
committed
Narrow injective arithmetic to addition and subtraction only
asolimando
committed

Commits on Apr 8, 2026