build_modify_column_nullable

Function build_modify_column_nullable 

Source
pub fn build_modify_column_nullable(
    backend: &DatabaseBackend,
    table: &str,
    column: &str,
    nullable: bool,
    fill_with: Option<&str>,
    current_schema: &[TableDef],
) -> Result<Vec<BuiltQuery>, QueryError>
Expand description

Build SQL for changing column nullability. For nullable -> non-nullable transitions, fill_with should be provided to update NULL values.