CreateQuery mv2 (children 3)
 Identifier mv2
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function sleepEachRow (alias a) (children 1)
      ExpressionList (children 1)
       Literal Float64_0.05
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier data_a_02187
 ViewTargets
