public void testCoalesceLong_OM() throws Exception { String viewExpr = "select coalesce(longBoxed, intBoxed, shortBoxed) as result" + " from " + SupportBean.class.getName() + ".win:length(1000)"; EPStatementObjectModel model = new EPStatementObjectModel(); model.setSelectClause( SelectClause.create() .add(Expressions.coalesce("longBoxed", "intBoxed", "shortBoxed"), "result")); model.setFromClause( FromClause.create( FilterStream.create(SupportBean.class.getName()) .addView("win", "length", Expressions.constant(1000)))); model = (EPStatementObjectModel) SerializableObjectCopier.copy(model); assertEquals(viewExpr, model.toEPL()); epService.initialize(); selectTestView = epService.getEPAdministrator().create(model); selectTestView.addListener(testListener); assertEquals(Long.class, selectTestView.getEventType().getPropertyType("result")); runCoalesceLong(); }
public void testUnfilteredStreamPrior_OM() throws Exception { EPStatementObjectModel subquery = new EPStatementObjectModel(); subquery.setSelectClause(SelectClause.create().add(Expressions.prior(0, "id"))); subquery.setFromClause( FromClause.create( FilterStream.create("S1").addView("win", "length", Expressions.constant(1000)))); EPStatementObjectModel model = new EPStatementObjectModel(); model.setSelectClause(SelectClause.create().add(Expressions.subquery(subquery), "idS1")); model.setFromClause(FromClause.create(FilterStream.create("S0"))); model = (EPStatementObjectModel) SerializableObjectCopier.copy(model); String stmtText = "select (select prior(0, id) from S1.win:length(1000)) as idS1 from S0"; assertEquals(stmtText, model.toEPL()); EPStatement stmt = epService.getEPAdministrator().create(model); runUnfilteredStreamPrior(stmt); }
public void testVariantOneOMToStmt() throws Exception { EPStatementObjectModel model = new EPStatementObjectModel(); model.setInsertInto(InsertIntoClause.create("Event_1", "delta", "product")); model.setSelectClause( SelectClause.create() .add(Expressions.minus("intPrimitive", "intBoxed"), "deltaTag") .add(Expressions.multiply("intPrimitive", "intBoxed"), "productTag")); model.setFromClause( FromClause.create( FilterStream.create(SupportBean.class.getName()) .addView(View.create("win", "length", Expressions.constant(100))))); model = (EPStatementObjectModel) SerializableObjectCopier.copy(model); EPStatement stmt = runAsserts(null, model); String epl = "insert into Event_1(delta, product) " + "select intPrimitive - intBoxed as deltaTag, intPrimitive * intBoxed as productTag " + "from " + SupportBean.class.getName() + ".win:length(100)"; assertEquals(epl, model.toEPL()); assertEquals(epl, stmt.getText()); }
public void testMinMaxWindowStats_OM() throws Exception { String viewExpr = "select max(longBoxed, intBoxed) as myMax, " + "max(longBoxed, intBoxed, shortBoxed) as myMaxEx, " + "min(longBoxed, intBoxed) as myMin, " + "min(longBoxed, intBoxed, shortBoxed) as myMinEx" + " from " + SupportBean.class.getName() + ".win:length(3)"; EPStatementObjectModel model = new EPStatementObjectModel(); model.setSelectClause( SelectClause.create() .add(Expressions.max("longBoxed", "intBoxed"), "myMax") .add( Expressions.max( Expressions.property("longBoxed"), Expressions.property("intBoxed"), Expressions.property("shortBoxed")), "myMaxEx") .add(Expressions.min("longBoxed", "intBoxed"), "myMin") .add( Expressions.min( Expressions.property("longBoxed"), Expressions.property("intBoxed"), Expressions.property("shortBoxed")), "myMinEx")); model.setFromClause( FromClause.create( FilterStream.create(SupportBean.class.getName()) .addView("win", "length", Expressions.constant(3)))); model = (EPStatementObjectModel) SerializableObjectCopier.copy(model); assertEquals(viewExpr, model.toEPL()); selectTestView = epService.getEPAdministrator().create(model); selectTestView.addListener(testListener); testListener.reset(); runMinMaxWindowStats(); }