Commit b75ec916 authored by David Thompson's avatar David Thompson
Browse files

BUG: Handle NULL column values.

parent 4849ca6f
......@@ -59,7 +59,7 @@ public:
// ----------------------------------------------------------------------
vtkCxxRevisionMacro(vtkMySQLQuery, "1.3");
vtkCxxRevisionMacro(vtkMySQLQuery, "1.4");
// ----------------------------------------------------------------------
......@@ -367,12 +367,16 @@ vtkMySQLQuery::DataValue(vtkIdType column)
vtkVariant result;
// Initialize base as a VTK_VOID value... only populate with
// data when a column value is non-NULL.
vtkVariant base;
if ( this->Internals->CurrentRow[column] )
base = vtkVariant( this->Internals->CurrentRow[column] );
// It would be a royal pain to try to convert the string to each
// different value in turn. Fortunately, there is already code in
// vtkVariant to do exactly that using the C++ standard library
// sstream. We'll exploit that.
vtkVariant base(this->Internals->CurrentRow[column]);
switch (this->GetFieldType(column))
case VTK_INT:
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