CreateQuery test_mv (children 4)
 Identifier test_mv
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Identifier id
     Identifier value
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier test
 ViewTargets (children 1)
  Storage definition (children 2)
   Function MergeTree
   Identifier id
