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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Minor
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Resolution: Fixed
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Affects Version/s: 10.0.3, 5.5.31, 5.1.67, 5.2.14, 5.3.12
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Component/s: Optimizer
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Labels:
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Environment:Debian GNU/Linux 7.1 (wheezy)
Every query using a GROUP_CONCAT is showing an empty resultset with no NULL values on the column it should concatenate.
A simple "select studentId, group_concat(grades) from studentGrades where sutdentId=1" is giving a wrong output with the above description.