CreateQuery uuid (children 3)
 Identifier uuid
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration created_at (children 1)
    DataType DateTime
   ColumnDeclaration id0 (children 1)
    DataType String
   ColumnDeclaration id1 (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_36
 Storage definition (children 3)
  Function MergeTree
  Function toDate (children 1)
   ExpressionList (children 1)
    Identifier created_at
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier created_at
    Identifier id0
    Identifier id1