class Sequel::Postgres::PGRow::Splitter

This parser-like class splits the PostgreSQL row-valued/composite type output string format into an array of strings. Note this class makes no attempt to handle all input formats that PostgreSQL will accept, it only handles the output format that PostgreSQL uses.

Public Instance Methods

parse() click to toggle source

Split the stored string into an array of strings, handling the different types of quoting.

    # File lib/sequel/extensions/pg_row.rb
224 def parse
225   return @result if @result
226   values = []
227   skip(/\(/)
228   if skip(/\)/)
229     values << nil
230   else
231     until eos?
232       if skip(/"/)
233         values << scan(/(\\.|""|[^"])*/).gsub(/\\(.)|"(")/, '\1\2')
234         skip(/"[,)]/)
235       else
236         v = scan(/[^,)]*/)
237         values << (v unless v.empty?)
238         skip(/[,)]/)
239       end
240     end
241   end
242   values
243 end