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outline nvl

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This commit is contained in:
Aleksandar Fabijanic 2007-10-27 18:52:25 +00:00
parent 98191f1b2b
commit 5eb03ba814
2 changed files with 20 additions and 14 deletions
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16
Data/include/Poco/Data/RecordSet.h
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@ -179,25 +179,13 @@ public:
DynamicAny value(const std::string& name, std::size_t row) const; DynamicAny value(const std::string& name, std::size_t row) const;
/// Returns the data value at named column, row location. /// Returns the data value at named column, row location.
DynamicAny nvl(const std::string& name, const DynamicAny& deflt) const DynamicAny nvl(const std::string& name, const DynamicAny& deflt) const;
/// Returns the value in the named column of the current row /// Returns the value in the named column of the current row
/// if the value is not NULL, or deflt otherwise. /// if the value is not NULL, or deflt otherwise.
{
if (isNull(name))
return deflt;
else
return value(name, _currentRow);
}
DynamicAny nvl(std::size_t index, const DynamicAny& deflt) const DynamicAny nvl(std::size_t index, const DynamicAny& deflt) const;
/// Returns the value in the given column of the current row /// Returns the value in the given column of the current row
/// if the value is not NULL, or deflt otherwise. /// if the value is not NULL, or deflt otherwise.
{
if (isNull(index, _currentRow))
return deflt;
else
return value(index, _currentRow);
}
const RowIterator& begin(); const RowIterator& begin();
/// Moves the row cursor to the first row and returns the pointer to row. /// Moves the row cursor to the first row and returns the pointer to row.

18
Data/src/RecordSet.cpp
View File

@ -203,4 +203,22 @@ bool RecordSet::moveLast()
} }
DynamicAny RecordSet::nvl(const std::string& name, const DynamicAny& deflt) const
{
if (isNull(name))
return deflt;
else
return value(name, _currentRow);
}
DynamicAny RecordSet::nvl(std::size_t index, const DynamicAny& deflt) const
{
if (isNull(index, _currentRow))
return deflt;
else
return value(index, _currentRow);
}
} } // namespace Poco::Data } } // namespace Poco::Data