使用ResultSet对象的getMetaData()方法获取ResultSetMetaData对象,然后通过该对象的getColumnName(int column)方法获取每个字段的名称。 检查指定字段名是否在字段名列表中: 遍历所有字段名,检查是否存在指定的字段名。 根据检查结果返回字段名是否存在: 如果在字段名列表中找到指定字段名,则返回true;否则返回false。 以下是...
private static void checkIfTableIsEmpty(ResultSet resultSet) { int columnId = 1; try { if (!resultSet.next() || !checkIfTableIsEmpty(resultSet, columnId)) { throw new RuntimeException("Table is not empty. Aborting COPY with disposition EMPTY"); } } catch (SQLException e) { throw ...
publicclassDefaultResultSetHandlerimplementsResultSetHandler{privatevoidhandleResultSet(ResultSetWrapperrsw,ResultMapresultMap,List<Object>multipleResults,ResultMappingparentMapping)throwsSQLException{try{if(parentMapping!=null){handleRowValues(rsw,resultMap,null,RowBounds.DEFAULT,parentMapping);}else{if(resultHandle...
首先是获取 UnMappedColumnAutoMapping 集合,然后遍历该集合,并通过 TypeHandler 从结果集中获取数据,最后再将获取到的数据设置到实体类对象中。UnMappedColumnAutoMapping 用于记录未配置在 <resultMap> 节点中的映射关系。它的代码如下:private static class UnMappedColumnAutoMapping { private final String column; ...
}finally{this.stmt.executeUpdate("DROP TABLE IF EXISTS StreamingClobber"); } } 开发者ID:JuanJoseFJ,项目名称:ProyectoPacientes,代码行数:46,代码来源:ResultSetRegressionTest.java 注:本文中的java.sql.ResultSet.next方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程...
}ps.close(); } wasNull()doesn't mention any requirement to throw an exception if not currently in a row: Reports whether the last column read had a value of SQLNULL. Note that you must first call one of the getter methods on a column to try to read its value and then call the me...
AlterTableAlterColumnStatement AlterTableAlterIndexStatement AlterTableAlterPartitionStatement AlterTableChangeTrackingModificationStatement AlterTableConstraintModificationStatement AlterTableDropTableElement AlterTableDropTableElementStatement AlterTableFileTableNamespaceStatement AlterTableRebuildStatement ...
assertFalse(stmt.execute("DROP TABLE IF EXISTS "+ tableName));finalString sql ="CREATE TABLE "+ tableName +"("+ columnName +" integer)"; assertFalse(stmt.execute(sql));finalResultSet results = stmt.executeQuery("SELECT * FROM "+ tableName); ...
segmentColumn(), segment); resultSet.insertRow(); return token; } 代码示例来源:origin: AxonFramework/AxonFramework /** * If the given {@code resultSet} has no items this method should insert a new token entry. If a token already * exists it should be attempted to replace the token in...
SERVER_STATUS_CURSOR_EXISTS) != 0; } if (usingCursor) { RowData rows = new RowDataCursor( this, prepStmt, fields); ResultSetImpl rs = buildResultSetWithRows( callingStatement, catalog, fields, rows, resultSetType, resultSetConcurrency, isBinaryEncoded); ...