why do U execute this operation: 'A as B'?
"select A as B from table" can get A
"select A as B from table" can get A
解决方案 »
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here's my code;Query q = new String("select namea as nameb from table;");
ResultSet resultSet = statement.excuteQuery(q);
ResultSetMetaData rsmd = resultSet.getMeta();
System.out.println( rsmd.getColumnName(1) );
the output is:nameb
what i want to obtain is the original column name "namea".
it seems that it's impossible to obtain the original column name.:(
i'm considering making some changes in my design.
U can use "select namea as nameb from table;" to get a resultset, but when you want to get your original column name, try to get it in the table of database, do not get it in the resultset.
Good Luck!!!