The given code had limit of 10,000.?
var query = xtk.queryDef.create(
<queryDef schema="xtk:workflow" operation="select">
<select>
<node expr="@internalName"/>
</select>
</queryDef>
)
var res = query.ExecuteQuery()
for each (var w in res.workflow)
{
logInfo(w.@internalName)
}