CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration map (children 1)
    DataType Map (children 1)
     ExpressionList (children 2)
      DataType String
      DataType String
   ColumnDeclaration map_fixed (children 1)
    DataType Map (children 1)
     ExpressionList (children 2)
      DataType FixedString (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
      DataType String
  ExpressionList (children 2)
   Index (children 2)
    Function mapKeys (children 1)
     ExpressionList (children 1)
      Identifier map
    Function text (children 1)
     ExpressionList (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier tokenizer
        Literal \'splitByNonAlpha\'
   Index (children 2)
    Function mapKeys (children 1)
     ExpressionList (children 1)
      Identifier map_fixed
    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
