CreateQuery test1 (children 3)
 Identifier test1
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration id (children 1)
    DataType String
   ColumnDeclaration time (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_9
   ColumnDeclaration key (children 1)
    DataType Int64
   ColumnDeclaration value (children 1)
    DataType Bool
 Storage definition (children 3)
  Function MergeTree
  Function toYYYYMM (children 1)
   ExpressionList (children 1)
    Identifier time
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier key
    Identifier id
    Identifier time
