CreateQuery index_test (children 3)
 Identifier index_test
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
  ExpressionList (children 3)
   Index (children 2)
    Function arrayMap (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function lower (children 1)
         ExpressionList (children 1)
          Identifier x
      Identifier arr
    Function bloom_filter (children 1)
     ExpressionList (children 1)
      Literal Float64_0.01
   Index (children 2)
    Function arrayMap (children 1)
     ExpressionList (children 3)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier x
          Identifier y
        Function concat (children 1)
         ExpressionList (children 2)
          Function lower (children 1)
           ExpressionList (children 1)
            Identifier x
          Identifier y
      Identifier arr
      Identifier arr
    Function bloom_filter (children 1)
     ExpressionList (children 1)
      Literal Float64_0.01
   Index (children 2)
    Function arrayMap (children 1)
     ExpressionList (children 3)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier x
          Identifier y
        Function concat (children 1)
         ExpressionList (children 4)
          Function lower (children 1)
           ExpressionList (children 1)
            Identifier x
          Identifier y
          Literal \'_\'
          Function toString (children 1)
           ExpressionList (children 1)
            Identifier id
      Identifier arr
      Identifier arr
    Function bloom_filter (children 1)
     ExpressionList (children 1)
      Literal Float64_0.01
 Storage definition (children 3)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
  Set
