Module: MigrationComments::ActiveRecord::SchemaDumper
- Includes:
- SchemaFormatter
- Defined in:
- lib/migration_comments/active_record/schema_dumper.rb
Instance Method Summary
collapse
#render_comment, #render_kv_pair, #render_value
Instance Method Details
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# File 'lib/migration_comments/active_record/schema_dumper.rb', line 15
def (table, stream)
table_name = table.inspect.gsub('"', '')
= @connection.(table_name)
column_comments = @connection.retrieve_column_comments(table_name)
= StringIO.new
lines = []
table_line = 0
col_names = {}
error = false
while (stream_line = stream.gets)
content = stream_line.chomp
if content =~ /^# Could not dump table "#{table_name}"/
error = true
elsif content =~ /create_table\s/
table_line = lines.size
elsif content =~ /t\.\w+\s+"(\w+)"/
col_names[lines.size] = $1.to_sym
end
lines << content
end
len = col_names.keys.map{|index| lines[index]}.map(&:length).max + 2 unless col_names.empty?
lines.each_with_index do |line, index|
if error
elsif table_line == index && .present?
block_init = " do |t|"
line.chomp!(block_init) << ", " << () << block_init
elsif col_names[index] && ::ActiveRecord::VERSION::MAJOR < 5
= column_comments[col_names[index]]
line << ',' << ' ' * (len - line.length) << () unless .blank?
end
.puts line
end
.rewind
end
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#table(table, stream) ⇒ Object
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# File 'lib/migration_comments/active_record/schema_dumper.rb', line 5
def table(table, stream)
return super if ::ActiveRecord::VERSION::MAJOR >= 5 && @connection.class.name !~ /SQLite/
tbl_stream = StringIO.new
super(table, tbl_stream)
tbl_stream.rewind
= (table, tbl_stream)
tbl_stream.close
stream.print .read
end
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