Support extended stats creation on expressions#8501
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visridha wants to merge 3 commits intocitusdata:mainfrom
Open
Support extended stats creation on expressions#8501visridha wants to merge 3 commits intocitusdata:mainfrom
visridha wants to merge 3 commits intocitusdata:mainfrom
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DESCRIPTION: Support extended stats creation on expressions
CREATE STATISTICS today gets pushed to the shards only if the statistics is on a column expression. However, PG14 added support for expressions (opExpr, FuncExprs) etc. This change adds support for it under a GUC.
This reuses the same logic as CHECK constraints to parse, transform, and deparse the exprs and add it to the statistics call.