CreateQuery t_index_hint (children 3)
 Identifier t_index_hint
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration a (children 1)
    DataType UInt64
   ColumnDeclaration s (children 1)
    DataType String
   ColumnDeclaration s_tokens (children 2)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
    Function arrayDistinct (children 1)
     ExpressionList (children 1)
      Function splitByWhitespace (children 1)
       ExpressionList (children 1)
        Identifier s
  ExpressionList (children 1)
   Index (children 2)
    Identifier s_tokens
    Function bloom_filter (children 1)
     ExpressionList (children 1)
      Literal Float64_0.01
 Storage definition (children 3)
  Function MergeTree
  Identifier a
  Set
