Class | Sequel::TinyTDS::Database |
In: |
lib/sequel/adapters/tinytds.rb
|
Parent: | Sequel::Database |
Transfer the :user option to the :username option.
# File lib/sequel/adapters/tinytds.rb, line 11 11: def connect(server) 12: opts = server_opts(server) 13: opts[:username] = opts[:user] 14: c = TinyTds::Client.new(opts) 15: c.query_options.merge!(:cache_rows=>false) 16: 17: if (ts = opts[:textsize]) 18: sql = "SET TEXTSIZE #{typecast_value_integer(ts)}" 19: log_yield(sql){c.execute(sql)} 20: end 21: 22: c 23: end
Execute the given sql on the server. If the :return option is present, its value should be a method symbol that is called on the TinyTds::Result object returned from executing the sql. The value of such a method is returned to the caller. Otherwise, if a block is given, it is yielded the result object. If no block is given and a :return is not present, nil is returned.
# File lib/sequel/adapters/tinytds.rb, line 31 31: def execute(sql, opts=OPTS) 32: synchronize(opts[:server]) do |c| 33: begin 34: m = opts[:return] 35: r = nil 36: if (args = opts[:arguments]) && !args.empty? 37: types = [] 38: values = [] 39: args.each_with_index do |(k, v), i| 40: v, type = ps_arg_type(v) 41: types << "@#{k} #{type}" 42: values << "@#{k} = #{v}" 43: end 44: case m 45: when :do 46: sql = "#{sql}; SELECT @@ROWCOUNT AS AffectedRows" 47: single_value = true 48: when :insert 49: sql = "#{sql}; SELECT CAST(SCOPE_IDENTITY() AS bigint) AS Ident" 50: single_value = true 51: end 52: sql = "EXEC sp_executesql N'#{c.escape(sql)}', N'#{c.escape(types.join(', '))}', #{values.join(', ')}" 53: log_yield(sql) do 54: r = c.execute(sql) 55: r.each{|row| return row.values.first} if single_value 56: end 57: else 58: log_yield(sql) do 59: r = c.execute(sql) 60: return r.send(m) if m 61: end 62: end 63: yield(r) if block_given? 64: rescue TinyTds::Error => e 65: raise_error(e, :disconnect=>!c.active?) 66: ensure 67: r.cancel if r && c.sqlsent? 68: end 69: end 70: end
Execute the DDL sql on the database and return nil.
# File lib/sequel/adapters/tinytds.rb, line 84 84: def execute_ddl(sql, opts=OPTS) 85: execute(sql, opts.merge(:return=>:each)) 86: nil 87: end
Return the number of rows modified by the given sql.
# File lib/sequel/adapters/tinytds.rb, line 73 73: def execute_dui(sql, opts=OPTS) 74: execute(sql, opts.merge(:return=>:do)) 75: end