 13 | /questions/35359676/java-jpa-objectdb-pre-detach-loading-why-retrieval-by-navigation-and-access ... system a BooleanValue wrapper is ultimately an Element that can be referenced by ID, and meets ... boolean value is not the whole story. By JVM optimizations I meant JIT Compiler optimizations and not |
13 | and menus might look slightly different but the code would be the same). This tutorial consists of the following steps: |
13 | might look slightly different but the code would be the same). This tutorial consists of the following steps: |
13 | will be presented in the BIRT report using a chart and a table: The tutorial consists of the following steps: |
12 |
======================
Step 1: Process Mitglied ($1) instances
---------------------------------------
[Step 1a ... ($1) instances.
[Step 1b]
Evaluate fields in Mitglied ($1) instances.
Step 2: Process IndividualProfile ($3) instances
(for every result of step 1 |
9 | used, query plan:
Step 1: Process Action (a) instances
------------------------------------
[Step 1a]
Scan index com.agile.hummingbird.Action[startDate]
locating all the Action (a) instances.
[Step 1b]
Filter the results of step 1a
retaining only results that satisfy:
(a.startDate>:1 |
7 | are involved. You can improve the performance of queries by using indexes but the index step.stepNumber ... WHERE v.step.stepNumber = ? is very slow in comparing to the query:
SELECT v FROM Values v WHERE v ... , cascade = CascadeType.REMOVE)
private Values valuesRef;
}
@Index (members = {"step.stepNumber |
6 | (this) instances that satisfy:
(this.receiver==:r).
[Step 2]
Order the results of step 1 by ... 2]
Retrieve fields in NmeaBatch (this) instances.
[Step 3]
Order the results of step 2 by ... that only has a few tens of different values. When I query by just the primary key, it's (of course) extremely |
6 | and test2_ManyTransactions), mentioned in step 3, are not found in the projects. Please follow ... ;
public class TransactionsPerformance {
static int steps = 10000;
public static void main ... );
for (int m = 0; m < steps; m++) {
TypedQuery q = em.createQuery("SELECT m FROM MyEntity |
5 | , it worked. Can you tell us what we did wrong? Please provide step by step instructions on how to use ... )
at java.lang.ClassLoader.loadClass(Unknown Source)
... 78 more How to use the example step-by ... )
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
Caused by: java.lang.ClassNotFoundException |