[DBAL-1028] Fix fetching NULL values via fetchColumn()#709
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Ocramius merged 2 commits intodoctrine:masterfrom Nov 5, 2014
Merged
[DBAL-1028] Fix fetching NULL values via fetchColumn()#709Ocramius merged 2 commits intodoctrine:masterfrom
Ocramius merged 2 commits intodoctrine:masterfrom
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Hello, thank you for creating this pull request. I have automatically opened an issue http://www.doctrine-project.org/jira/browse/DBAL-1028 We use Jira to track the state of pull requests and the versions they got |
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You can actually skip array_key_exists() here, as the return value will be null anyway
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[DBAL-1028] Fix fetching NULL values via fetchColumn()
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PDOdrivers returnnullwhen retrieving a SQLNULLvalue from a column viaStatement::fetchColumn().However all native driver implementations except
mysqlireturnfalsewhich according to the interface should only be returned if no more rows are available or an error occurred. So currently it is not possible to retrieve a SQLNULLvalue viaStatement::fetchColumn()with those drivers.This PR fixes this. Additionally if a non-existing column index is requested from the resultset,
PDOalso returnsnullwhereas those mentioned native drivers returnfalse. This is also fixed.