Resultset findcolumn. java:2591) A ResultSet is automatically closed by the Statement that generated it when that Statement is closed, re-executed, or is used to retrieve the next result from a sequence of multiple results. ResultSet #findColumn () . ResultSet interface. PSQLException: The column name "Id" was not found in this ResultSet. PgResultSet. getString(" Information about the columns in a ResultSet is available by calling the method ResultSet. findColumn() to find a column within a ResultSet. at org. findColumn(String). 3k次，点赞10次，收藏14次。ResultSet接口是Java JDBC API中的一个核心接口，用于表示从数据库查询返回的结果集。它允许用户遍历查询结果，并从中提取数据。ResultSet接口代表从数据库查询返回的结果集，它提供了以下功能：遍历结果集：允许用户向前或向后移动指针，以便访问结果集中 Feb 15, 2017 · Caused by: org. gbozw roze qjifus yark ymkma qrp jlr shdn bygzhv ytozt