CreateQuery text_index_validation (children 3)
 Identifier text_index_validation
 Columns definition (children 2)
  ExpressionList (children 1)
   ColumnDeclaration s (children 1)
    DataType String
  ExpressionList (children 1)
   Index (children 2)
    Identifier s
    Function text (children 1)
     ExpressionList (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier tokenizer
        Function splitByString (children 1)
         ExpressionList (children 1)
          Function array (children 1)
           ExpressionList
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
