CreateQuery table_for_ttl (children 3)
 Identifier table_for_ttl
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration d (children 1)
    DataType DateTime
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier key
  Function tuple (children 1)
   ExpressionList
