setMaxResults(10); here denotes how may rows you would like to handle at a
time. Usually this is harcoded, got nothing to do with number of rows in table
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ok i get the part of perhaps saying:
for (int i = 0; i < maxSize; i = i+ 10){
|
|q.setFirstResult(i);
|q.setMaxResults(10);
| }
but how do i find out the max rows ? do i need to do a count statement before
that ?
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Yours is a typical use-case for paging:
http://java.sun.com/javaee/5/docs/api/javax/persistence/Query.html
setFirstResults:
http://java.sun.com/javaee/5/docs/api/javax/persistence/Query.html#setFirstResult(int)
setMaxResults:
http://java.sun.com/javaee/5/docs/api/javax/persistence/Query.html#s
