CreateQuery dict_src_valexpr (children 3)
 Identifier dict_src_valexpr
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration s (children 1)
    DataType String
   ColumnDeclaration i32n (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int32
   ColumnDeclaration u64 (children 1)
    DataType UInt64
 Storage definition (children 1)
  Function Memory
