Using eval of a block is the recommendation in the DBI documentation:

The recommended way to implement robust transactions in Perl applications is to use RaiseError and eval { ... } (which is very fast, unlike eval "...").

In reply to Re^3: Problem of scope : $SIG{__WARN__} in a module... by astroboy
in thread Problem of scope : $SIG{__WARN__} in a module... by wazoox

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