CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 2)
  ExpressionList (children 4)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration col_str (children 1)
    DataType String
   ColumnDeclaration message (children 1)
    DataType String
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
  ExpressionList (children 1)
   Index (children 2)
    Identifier message
    Function text (children 1)
     ExpressionList (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier tokenizer
        Literal \'splitByNonAlpha\'
 Storage definition (children 2)
  Function MergeTree
  Identifier id
