Fix copy constructor in SetVariableStatement #18101
Merged
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This change fixes the copy constructor of the
SetVariableStatement
by adding there a call to the superclass copy constructor. Previously this constructor was using non-copy constructor of the superclass and thus was failing to copynamed_param_map
field (and some other fields).When the
postgres_scanner
extension is loaded the result of thePrepare()
call for queries likeSET VARIABLE v = ?
was gettng an emptynamed_param_map
field and the execution of this statement was failing with:Testing: new test is added that uses
CanRequestRebind()
API to check the code path on whichSQLStatement
's copy constructor is invoked.Fixes: duckdb/duckdb-java#294