CreateQuery 01760_db example_complex_key_source (children 4)
 Identifier 01760_db
 Identifier example_complex_key_source
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration id_key (children 1)
    DataType String
   ColumnDeclaration value (children 1)
    DataType UInt64
 Storage definition (children 1)
  Function TinyLog