> Hi Thomas - Here's the problem code. The plain select works fine,
> but asking for the count causes an error to be thrown if I use the
> non-hack method.
I think I have found and fixed the problem. If you want you can try the
current trunk.
Thanks for reporting the error !
Thomas
>
> /**
> * Get a List of the dogs that earned all of a list of titles in
> a given year
> * @param titles array of titles to be searched.
> * @param year four digit year to be searched
> * @return a List of dogs that earned the titles
> * @throws TorqueException if something goes wrong
> */
> public static List<Dog> doFindDogsWithAllTitles( String[] titles,
> String year ) throws TorqueException {
> Criteria crit = getCriteriaDogsWithAllTitles( titles, year );
> crit.addAscendingOrderByColumn( REG_NAME );
>
> return doSelect( crit );
> }
>
> /**
> * Get a count of the dogs that earned all of a list of titles in
> a given year
> * @param titles array of titles to be searched.
> * @param year four digit year to be searched
> * @return number of dogs that earned the titles
> * @throws TorqueException if something goes wrong
> */
> public static int doFindCountWithAllTitles( String[] titles,
> String year ) throws TorqueException {
> //TODO: Remove Hack once issue fixed
> Criteria crit = getCriteriaDogsWithAllTitlesHack( titles, year );
>
> SummaryHelper summary = new SummaryHelper();
>
> summary.addAggregate( "count", new Count( DogPeer.DOG_ID ) );
> List<ListOrderedMapCI> results = summary.summarize( crit );
> return Integer.parseInt( results.get( 0 ).get( "count" ).toString
() );
> }
>
> /**
> * Create a criteria to search for the dogs that earned all of an
> array of titles in a given year
> * @param titles array of titles to be searched.
> * @param year four digit year to be searched
> * @return the Criteria to be used for the request
> */
> private static Criteria getCriteriaDogsWithAllTitles( String[]
> titles, String year ) {
> String startDate = null, endDate = null;
> try{
> int yr = Integer.parseInt( year )+1;
> //They year is valid if we get here.
> startDate = year+"-01-01";
> endDate = Integer.toString( yr ) + "-01-01";
> } catch( NumberFormatException nfe ) {
> //ignore
> }
>
> Criteria crit = new Criteria();
> int idx = 1;
> for( String str : titles ) {
> String alias = "t"+Integer.toString( idx );
> crit.addAlias( alias, "title" );
> crit.addJoin( DogPeer.DOG_ID, new ColumnImpl( alias + "." +
> TitlePeer.DOG_ID.getColumnName() ) );
> crit.where( new ColumnImpl( alias + "." +
> TitlePeer.TITLE.getColumnName() ), str );
> if( startDate != null ) {
> Column aliasDate = new ColumnImpl( alias + "." +
> TitlePeer.TITLE_DATE.getColumnName() );
> crit.where( aliasDate, startDate, Criteria.GREATER_EQUAL );
> crit.where( aliasDate, endDate, Criteria.LESS_THAN );
> }
> ++idx;
> }
> return crit;
> }
>
> /**
> * forces a non-prepared statement to get around SummaryHelper bug
> * @param titles array of titles that the dog must have
> * @param year year to be searched
> * @return a Criteria object with the appropriate query
> */
> private static Criteria getCriteriaDogsWithAllTitlesHack( String
> [] titles, String year ) {
> String startDate = null, endDate = null;
> try{
> int yr = Integer.parseInt( year )+1;
> //They year is valid if we get here.
> startDate = year+"-01-01";
> endDate = Integer.toString( yr ) + "-01-01";
> } catch( NumberFormatException nfe ) {
> //ignore
> }
>
> Criteria crit = new Criteria();
> int idx = 1;
> for( String str : titles ) {
> String alias = "t"+Integer.toString( idx );
> crit.addAlias( alias, "title" );
> crit.addJoin( DogPeer.DOG_ID, new ColumnImpl( alias + "." +
> TitlePeer.DOG_ID.getColumnName() ) );
> crit.whereVerbatimSql( alias + "." +
> TitlePeer.TITLE.getColumnName() + "='" + str + "'", null );
> if( startDate != null ) {
> Column aliasDate = new ColumnImpl( alias + "." +
> TitlePeer.TITLE_DATE.getColumnName() );
> crit.whereVerbatimSql( alias + "." +
> TitlePeer.TITLE_DATE.getColumnName() + ">='" + startDate + "'", null );
> crit.whereVerbatimSql( alias + "." +
> TitlePeer.TITLE_DATE.getColumnName() + "<'" + endDate + "'", null );
> }
> ++idx;
> }
> return crit;
> }
>
>
> On Jun 12, 2013, at 12:59 AM, Thomas Fox <thomas....@seitenbau.net>
wrote:
>
> >
>
|---------------------------------------------------------------------------------------------------------------------------------------------------->
> > |Jay Bourland wrote:
|
> >
>
|---------------------------------------------------------------------------------------------------------------------------------------------------->
> >> ---------------------------|
> > | An: |
> >> ---------------------------|
> >
> >
> >
> >> I'm trying to convert an old Torque site to version 4. I'm running
> >> into a problem with using a count() function. The code looks like
this:
> >>
> >> Criteria crit = getCriteriaDogsWithAllTitles( titles, year );
> >>
> >> SummaryHelper summary = new SummaryHelper();
> >>
> >> summary.addAggregate( "count", new Count( DogPeer.DOG_ID ) );
> >> List<ListOrderedMapCI> results = summary.summarize( crit );
> >>
> >> When summarize() is executed, I get a
> >> "jdbc4.MySQLSyntaxErrorException: You have an error in your SQL
> >> syntax" exception. The Criteria is good and works fine with a
> >> doSelect(). It appears that the summarize converts the Criteria to a
> >> string without adding in the replacements for the parameters in the
> >> prepared statement.
> >
> > Can you please provide an example how you construct a crit which
fails ?
> >
> >> Also, if I take the string from the
> >> queryStatement and replace the '?' with values, the statement runs
> >> fine from an interactive MySQL session. When I compare the code in
> >> SummaryHelper.summarize() to BasePeerImpl.doSelect() the code to set
> >> the replacements is present in doSelect but not in summarize.
> >>
> >> What's the best way to report this?
> >
> > Please file a jira issue at
> >
> > https://issues.apache.org/jira/browse/TORQUE/
> >
> > As a workaround, you can try
> > crit.addSelectColumn(new org.apache.torque.util.functions.Count
> > ("*"));
> > int count = SomePeer.doSelectSingleRecord(crit, new
> > org.apache.torque.om.mapper.IntegerMapper());
> >
> > instead of
> > summary.addAggregate( "count", new Count( DogPeer.DOG_ID ) );
> > List<ListOrderedMapCI> results = summary.summarize( crit );
> >
> > Thomas
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: torque-user-unsubscr...@db.apache.org
> > For additional commands, e-mail: torque-user-h...@db.apache.org
> >
>
>
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