CreateQuery test_default_delta (children 3)
 Identifier test_default_delta
 Columns definition (children 1)
  ExpressionList (children 8)
   ColumnDeclaration id (children 2)
    DataType UInt64
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta
   ColumnDeclaration data (children 2)
    DataType String
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
   ColumnDeclaration somedate (children 2)
    DataType Date
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta
   ColumnDeclaration somenum (children 2)
    DataType Float64
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta
   ColumnDeclaration somestr (children 2)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_3
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
   ColumnDeclaration othernum (children 2)
    DataType Int64
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta
   ColumnDeclaration yetothernum (children 2)
    DataType Float32
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta
   ColumnDeclaration ddd (children 2)
    DataType Nested (children 1)
     ExpressionList (children 4)
      NameTypePair age (children 1)
       DataType UInt8
      NameTypePair Name (children 1)
       DataType String
      NameTypePair OName (children 1)
       DataType String
      NameTypePair BName (children 1)
       DataType String
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function Delta (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList
