CreateQuery unhex_in_fix_string_table (children 3)
 Identifier unhex_in_fix_string_table
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration dt (children 1)
    DataType Date
   ColumnDeclaration s1 (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_20
   ColumnDeclaration s2 (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree
  Identifier dt
  Function tuple (children 1)
   ExpressionList
