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Code Issues

Make result of RDB$GET_TRANSACTION_CN nullable

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This commit is contained in:
hvlad 2018-09-25 00:29:00 +03:00
parent 09da9c995e
commit cd457adc12
1 changed files with 11 additions and 1 deletions
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12
src/jrd/SysFunction.cpp
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@ -180,6 +180,7 @@ void setParamsDateAdd(DataTypeUtilBase* dataTypeUtil, const SysFunction* functio
void setParamsDateDiff(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
void setParamsFirstLastDay(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
void setParamsGetSetContext(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
void setParamsGetTranCN(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
void setParamsOverlay(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
void setParamsPosition(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
void setParamsRoundTrunc(DataTypeUtilBase* dataTypeUtil, const SysFunction* function, int argsCount, dsc** args);
@ -579,6 +580,15 @@ void setParamsGetSetContext(DataTypeUtilBase*, const SysFunction*, int argsCount
}
void setParamsGetTranCN(DataTypeUtilBase*, const SysFunction*, int argsCount, dsc** args)
{
if (argsCount >= 1 && args[0]->isUnknown())
args[0]->makeInt64(0);
args[0]->setNullable(true);
}
void setParamsOverlay(DataTypeUtilBase*, const SysFunction*, int argsCount, dsc** args)
{
if (argsCount >= 3)
@ -4630,7 +4640,7 @@ const SysFunction SysFunction::functions[] =
{"QUANTIZE", 2, 2, setParamsDecFloat, makeDecFloatResult, evlQuantize, NULL},
{"RAND", 0, 0, NULL, makeDoubleResult, evlRand, NULL},
{RDB_GET_CONTEXT, 2, 2, setParamsGetSetContext, makeGetSetContext, evlGetContext, NULL},
{"RDB$GET_TRANSACTION_CN", 1, 1, setParamsInt64, makeInt64Result, evlGetTranCN, NULL},
{"RDB$GET_TRANSACTION_CN", 1, 1, setParamsGetTranCN, makeInt64Result, evlGetTranCN, NULL},
{"RDB$ROLE_IN_USE", 1, 1, setParamsAsciiVal, makeBooleanResult, evlRoleInUse, NULL},
{RDB_SET_CONTEXT, 3, 3, setParamsGetSetContext, makeGetSetContext, evlSetContext, NULL},
{"RDB$SYSTEM_PRIVILEGE", 1, 1, NULL, makeBooleanResult, evlSystemPrivilege, NULL},