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[MySQL Compatibility 1/4][Bug] Fix bug that set sql_mode with concat() function failed - #4359
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| try { | ||
| VariableMgr.fillValue(ConnectContext.get().getSessionVariable(), (SysVariableDesc) constExpr); | ||
| return ((SysVariableDesc) constExpr).getLiteralExpr(); | ||
| } catch (AnalysisException e) { |
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Why not just throw the exception to the user?
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This method is used for constant folding rules. If it fails, it will directly return to the original expression, and other processes will handle this error.
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morningman pushed a commit
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Nov 18, 2021
…and MySQL (#7108) Introduce by pr #4359 VariableMgr.fillValue() method should not call in ExpressionFunctions.eval(), because in method analyzeImpl() of SysVariableDesc, it has been already called once. If VariableMgr.fillValue() was called twice, the type of SysVariableDesc will become BigInt, which is incorrect.
BUT still failed for this (when I use SAP DataService to connect Doris ):
the client side auto execute this when connect |
Hastyshell pushed a commit
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Sep 12, 2025
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set sql_mode = concat(@@sql_mode, "STRICT_TRANS_TABLES");Types of changes
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