CreateQuery t_02709__fuzz_23 (children 3)
 Identifier t_02709__fuzz_23
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration key (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration sign (children 1)
    DataType Int8
   ColumnDeclaration date (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_3
 Storage definition (children 4)
  Function CollapsingMergeTree (children 1)
   ExpressionList (children 1)
    Identifier sign
  Identifier date
  Identifier key
  Set
