# File lib/sequel/adapters/db2.rb, line 47
47:       def initialize(opts={})
48:         super
49:         @conversion_procs = DB2_TYPES.dup
50:         @conversion_procs[DB2CLI::SQL_TYPE_TIMESTAMP] = method(:to_application_timestamp_db2)
51:       end

     # File lib/sequel/adapters/db2.rb, line 87
 87:       def check_error(rc, msg)
 88:         case rc
 89:         when DB2CLI::SQL_SUCCESS, DB2CLI::SQL_SUCCESS_WITH_INFO, DB2CLI::SQL_NO_DATA_FOUND
 90:           nil
 91:         when DB2CLI::SQL_INVALID_HANDLE, DB2CLI::SQL_STILL_EXECUTING
 92:           e = DB2Error.new("#{ERROR_MAP[rc]}: #{msg}")
 93:           e.set_backtrace(caller)
 94:           raise_error(e, :disconnect=>true)
 95:         else
 96:           e = DB2Error.new("#{ERROR_MAP[rc] || "Error code #{rc}"}: #{msg}")
 97:           e.set_backtrace(caller)
 98:           raise_error(e, :disconnect=>true)
 99:         end
100:       end

     # File lib/sequel/adapters/db2.rb, line 102
102:       def checked_error(msg)
103:         rc, *ary= yield
104:         check_error(rc, msg)
105:         ary.length <= 1 ? ary.first : ary
106:       end

    # File lib/sequel/adapters/db2.rb, line 53
53:       def connect(server)
54:         opts = server_opts(server)
55:         dbc = checked_error("Could not allocate database connection"){DB2CLI.SQLAllocHandle(DB2CLI::SQL_HANDLE_DBC, NullHandle)}
56:         checked_error("Could not connect to database"){DB2CLI.SQLConnect(dbc, opts[:database], opts[:user], opts[:password])}
57:         dbc
58:       end

    # File lib/sequel/adapters/db2.rb, line 60
60:       def execute(sql, opts={}, &block)
61:         synchronize(opts[:server]){|conn| log_connection_execute(conn, sql, &block)}
62:       end

    # File lib/sequel/adapters/db2.rb, line 65
65:       def execute_insert(sql, opts={})
66:         synchronize(opts[:server]) do |conn|
67:           log_connection_execute(conn, sql)
68:           sql = "SELECT IDENTITY_VAL_LOCAL() FROM SYSIBM.SYSDUMMY1"
69:           log_connection_execute(conn, sql) do |sth|
70:             name, buflen, datatype, size, digits, nullable = checked_error("Could not describe column"){DB2CLI.SQLDescribeCol(sth, 1, 256)}
71:             if DB2CLI.SQLFetch(sth) != DB2CLI::SQL_NO_DATA_FOUND
72:               v, _ = checked_error("Could not get data"){DB2CLI.SQLGetData(sth, 1, datatype, size)}
73:               if v.is_a?(String) 
74:                 return v.to_i
75:               else
76:                 return nil
77:               end
78:             end
79:           end
80:         end
81:       end

     # File lib/sequel/adapters/db2.rb, line 108
108:       def to_application_timestamp_db2(v)
109:         to_application_timestamp(v.to_s)
110:       end