CreateQuery max_length_alias_14053 (children 3)
 Identifier max_length_alias_14053
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration a (children 1)
    DataType Date
   ColumnDeclaration b (children 1)
    DataType UInt16
   ColumnDeclaration c.d (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Date
   ColumnDeclaration dcount (children 2)
    DataType UInt16
    Function length (children 1)
     ExpressionList (children 1)
      Identifier c.d
 Storage definition (children 4)
  Function MergeTree
  Function toMonday (children 1)
   ExpressionList (children 1)
    Identifier a
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier a
    Identifier b
  Set