class DeltaLake::TableAlterer

def add_columns(fields)
  if fields.is_a?(DeltaLake::Field)
    fields = [fields]
  end
  @table._table.add_columns(
    fields
  )
end

def add_constraint(constraints)
  if constraints.length > 1
    raise ArgumentError,
      "add_constraints is limited to a single constraint addition at once for now."
  end
  @table._table.add_constraints(
    constraints
  )
end

def add_feature(
  feature,
  allow_protocol_versions_increase: false
)
  if !feature.is_a?(Array)
    feature = [feature]
  end
  @table._table.add_feature(
    feature,
    allow_protocol_versions_increase
  )
end

def drop_constraint(name, raise_if_not_exists: true)
  @table._table.drop_constraints(
    name,
    raise_if_not_exists
  )
end

def initialize(table)
  @table = table
end

def set_table_properties(
  properties,
  raise_if_not_exists: true
)
  @table._table.set_table_properties(
    properties,
    raise_if_not_exists
  )
end