CreateQuery users2 (children 3)
 Identifier users2
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration uid (children 1)
    DataType Int16
   ColumnDeclaration name (children 1)
    DataType String
   ColumnDeclaration age2 (children 1)
    DataType Int16
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier uid
    Identifier name
