}
boolean results = call.execute();
AkibanAppender appender = AkibanAppender.of(writer);
appender.append('{');
boolean first = true;
JDBCParameterMetaData md = (JDBCParameterMetaData)call.getParameterMetaData();
for (int i = 1; i <= md.getParameterCount(); i++) {
String name;
switch (md.getParameterMode(i)) {
case ParameterMetaData.parameterModeOut:
case ParameterMetaData.parameterModeInOut:
name = md.getParameterName(i);
if (name == null)
name = String.format("arg%d", i);
if (first)
first = false;
else