# File lib/sequel/adapters/oracle.rb, line 369 def fetch_rows(sql) execute(sql) do |cursor| cps = db.conversion_procs cols = columns = cursor.get_col_names.map{|c| output_identifier(c)} metadata = cursor.column_metadata cm = cols.zip(metadata).map{|c, m| [c, cps[m.data_type]]} self.columns = columns while r = cursor.fetch row = {} r.zip(cm).each{|v, (c, cp)| row[c] = ((v && cp) ? cp.call(v) : v)} yield row end end self end
Oracle requires type specifiers for placeholders, at least if you ever want to use a nil/NULL value as the value for the placeholder.
# File lib/sequel/adapters/oracle.rb, line 388 def requires_placeholder_type_specifiers? true end