CreateQuery bf_ngram_array_test (children 3)
 Identifier bf_ngram_array_test
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration row_id (children 1)
    DataType UInt32
   ColumnDeclaration array (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration array_fixed (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType FixedString (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
  ExpressionList (children 2)
   Index (children 2)
    Identifier array
    Function ngrambf_v1 (children 1)
     ExpressionList (children 4)
      Literal UInt64_4
      Literal UInt64_256
      Literal UInt64_2
      Literal UInt64_0
   Index (children 2)
    Identifier array_fixed
    Function ngrambf_v1 (children 1)
     ExpressionList (children 4)
      Literal UInt64_4
      Literal UInt64_256
      Literal UInt64_2
      Literal UInt64_0
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier row_id
  Set
