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