Module: LegacyMigrations::SourceIterators

Defined in:
lib/legacy_migrations/source_iterators.rb

Instance Method Summary collapse

Instance Method Details

#source_iterator(limit, type, &block) ⇒ Object



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
# File 'lib/legacy_migrations/source_iterators.rb', line 3

def source_iterator(limit, type, &block)
  if type == :active_record
    @from_table.all(limit)
  elsif type == :csv
    if limit[:limit]
      fewer_rows = []
      rows_processed = 0
      @from_table.each do |row|
        fewer_rows << row
        rows_processed += 1
        break if rows_processed == limit[:limit].to_i
      end
      CSV::Table.new(fewer_rows)
    else
      @from_table
    end
  end
end