Fix GH-9971: Incorrect NUMERIC value returned from PDO_Firebird #10021
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Dialect 1 databases store and transfer
NUMERIC(15,2)
values as doubles, which we need to cater to infirebird_stmt_get_col()
to avoidZEND_ASSUME(0)
to ever be triggered, since that may result in undefined behavior.Since adding a regression test would require to create a dialect 1 database, we go without it.
An alternative fix would be to drop the
EMPTY_SWITCH_DEFAULT_CASE()
altogether, and fix the unitialized var warning by initializingn
to0
instead.