TableConcatenateOptionsGidBuilderImpl.promoteNullability

T promoteNullability(bool propval)

Set 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).

Returns

Builder instance for fluent chaining