Package javax.persistence

Examples of javax.persistence.Query.executeUpdate()

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  EntityManager em;
 
    public void deleteAll() {
        try {             
          Query q=em.createNamedQuery("removeAllOrders");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllInventory");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllIdGenerator");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllCustomers");
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    public void deleteAll() {
        try {             
          Query q=em.createNamedQuery("removeAllOrders");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllInventory");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllIdGenerator");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllCustomers");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllOrderItem");
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          Query q=em.createNamedQuery("removeAllOrders");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllInventory");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllIdGenerator");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllCustomers");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllOrderItem");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllBackOrder");
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          q=em.createNamedQuery("removeAllInventory");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllIdGenerator");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllCustomers");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllOrderItem");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllBackOrder");
          q.executeUpdate();             
          q=em.createNamedQuery("removeAllSupplier");
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          q=em.createNamedQuery("removeAllIdGenerator");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllCustomers");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllOrderItem");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllBackOrder");
          q.executeUpdate();             
          q=em.createNamedQuery("removeAllSupplier");
          q.executeUpdate();
            em.flush();
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          q=em.createNamedQuery("removeAllCustomers");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllOrderItem");
          q.executeUpdate();
          q=em.createNamedQuery("removeAllBackOrder");
          q.executeUpdate();             
          q=em.createNamedQuery("removeAllSupplier");
          q.executeUpdate();
            em.flush();
        } catch (Exception e) {
            Util.debug("ResetDB(deleteAll) -- Error deleting data from the database: "+e);
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               /* We have to close the stream before executing further request */
               results.close();
               results = null;
               String metadataTable = emStream.getMetamodel().entity(MetadataEntity.class).getName();
               Query clearMetadata = emStream.createQuery("DELETE FROM " + metadataTable);
               clearMetadata.executeUpdate();
            }
            txStream.commit();
         } finally {
            removeBatch(batch);
            if (results != null) {
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               /* We have to close the stream before executing further request */
               results.close();
               results = null;
               String metadataTable = emStream.getMetamodel().entity(MetadataEntity.class).getName();
               Query clearMetadata = emStream.createQuery("DELETE FROM " + metadataTable);
               clearMetadata.executeUpdate();
            }
            txStream.commit();
         } finally {
            removeBatch(batch);
            if (results != null) {
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    public void deleteAllMessages() throws IOException {
        EntityManager manager = beginEntityManager(null);
        try {
            Query query = manager.createQuery("delete from StoredMessage m");
            query.executeUpdate();
            query = manager.createQuery("delete from StoredSubscription ss");
            query.executeUpdate();
        } catch (Throwable e) {
            rollbackEntityManager(null, manager);
            throw IOExceptionSupport.create(e);
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        EntityManager manager = beginEntityManager(null);
        try {
            Query query = manager.createQuery("delete from StoredMessage m");
            query.executeUpdate();
            query = manager.createQuery("delete from StoredSubscription ss");
            query.executeUpdate();
        } catch (Throwable e) {
            rollbackEntityManager(null, manager);
            throw IOExceptionSupport.create(e);
        }
        commitEntityManager(null, manager);
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