CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration message (children 1)
    DataType String
  ExpressionList (children 1)
   Index (children 2)
    Identifier message
    Function text (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier tokenizer
        Identifier array
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier dictionary_block_size
        Literal UInt64_128
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Set
