class Sequel::SQLite::Dataset

    # File lib/sequel/adapters/sqlite.rb
385 def complex_expression_sql_append(sql, op, args)
386   case op
387   when :~, :'!~', :'~*', :'!~*'
388     return super unless supports_regexp?
389 
390     case_insensitive = [:'~*', :'!~*'].include?(op)
391     sql << 'NOT ' if [:'!~', :'!~*'].include?(op)
392     sql << '('
393     sql << 'LOWER(' if case_insensitive
394     literal_append(sql, args[0])
395     sql << ')' if case_insensitive
396     sql << ' REGEXP '
397     sql << 'LOWER(' if case_insensitive
398     literal_append(sql, args[1])
399     sql << ')' if case_insensitive
400     sql << ')'
401   else
402     super
403   end
404 end

    # File lib/sequel/adapters/sqlite.rb
406 def fetch_rows(sql)
407   execute(sql) do |result|
408     cps = db.conversion_procs
409     type_procs = result.types.map{|t| cps[base_type_name(t)]}
410     j = -1
411     cols = result.columns.map{|c| [output_identifier(c), type_procs[(j+=1)]]}
412     self.columns = cols.map(&:first)
413     max = cols.length
414     result.each do |values|
415       row = {}
416       i = -1
417       while (i += 1) < max
418         name, type_proc = cols[i]
419         v = values[i]
420         if type_proc && v
421           v = type_proc.call(v)
422         end
423         row[name] = v
424       end
425       yield row
426     end
427   end
428 end

    # File lib/sequel/adapters/sqlite.rb
431 def supports_regexp?
432   db.allow_regexp?
433 end