Statement.executeQuery() and no results
От | Sailesh Krishnamurthy |
---|---|
Тема | Statement.executeQuery() and no results |
Дата | |
Msg-id | [email protected] обсуждение исходный текст |
Ответы |
Re: Statement.executeQuery() and no results
Re: Statement.executeQuery() and no results Re: Statement.executeQuery() and no results |
Список | pgsql-jdbc |
Folks When we run a query that produces no results, executeQuery() returns an exception instead of a ResultSet object for which the first call to next() returns false. (This is with a driver for pgsql 7.3.2) Here is some code in AbstractJdbc1Statement.java /* * A Prepared SQL query is executed and its ResultSet is returned * * @return a ResultSet that contains the data produced by the * * query - never null * @exception SQLException if a database access error occurs */ public java.sql.ResultSet executeQuery() throws SQLException { this.execute(false); while (result != null && !((AbstractJdbc1ResultSet)result).reallyResultSet()) result = ((AbstractJdbc1ResultSet)result).getNext(); if (result == null) throw new PSQLException("postgresql.stat.noresult"); return result; } Is my understanding correct ? Is this working as designed ? I'm not convinced that this is as per the spec. I would rather see a ResultSet object returned instead of an exception. -- Pip-pip Sailesh http://www.cs.berkeley.edu/~sailesh
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