CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration c0 (children 2)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType FixedString (children 1)
       ExpressionList (children 1)
        Literal UInt64_9
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function DoubleDelta
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList
