with a #GArrowField of another type. The unified field will be of the other type and become nullable. Nullability will be promoted to the looser option (nullable if one is not nullable).
TableConcatenateOptions.promoteNullability
bool promoteNullability() @propertyGet promoteNullability property.
Returns
If true, a #GArrowField of #GArrowNullDataType can be unified
void promoteNullability(bool propval) @propertySet promoteNullability property.
Parameters
propval | If true, a #GArrowField of #GArrowNullDataType can be unified with a #GArrowField of another type. The unified field will be of the other type and become nullable. Nullability will be promoted to the looser option (nullable if one is not nullable). |