executeStatement returning int|string in phpdoc but it can return only int

[jacekkarczmarczyk]

Bug Report

Q	A
Version	3.3.3

Summary

Connection::exectureStatement (https://github.com/doctrine/dbal/blob/3.3.x/src/Connection.php#L1128) declares that it can return int|string but 2 return statements (https://github.com/doctrine/dbal/blob/3.3.x/src/Connection.php#L1128 and https://github.com/doctrine/dbal/blob/3.3.x/src/Connection.php#L1160) return only int.

How to reproduce

n/a

Expected behaviour

It should return only int

[morozov]

A statement may have to return a string if its numeric value is greater than PHP_INT_MAX. All methods returning the number of affected rows should return int|string. See #5317 (comment).

[github-actions]

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