CreateQuery elements (children 3)
 Identifier elements
 Columns definition (children 1)
  ExpressionList (children 5)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration nested.key (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration nested.value (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration nested.key_hashed (children 2)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt64
    Function arrayMap (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function sipHash64 (children 1)
         ExpressionList (children 1)
          Identifier x
      Identifier nested.key
   ColumnDeclaration nested.val_hashed (children 2)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt64
    Function arrayMap (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function sipHash64 (children 1)
         ExpressionList (children 1)
          Identifier x
      Identifier nested.value
 Storage definition (children 1)
  Function Memory
