Java Code Examples for io.siddhi.query.api.execution.query.Query#updateBy()

The following examples show how to use io.siddhi.query.api.execution.query.Query#updateBy() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TableQueryTestCase.java    From siddhi with Apache License 2.0 6 votes vote down vote up
@Test
public void testCreatingUpdateByQuery() {
    Query query = Query.query();
    query.from(
            InputStream.stream("cseEventStream").
                    filter(Expression.and(Expression.compare(Expression.add(Expression.value(7), Expression.value
                                    (9.5)),
                            Compare.Operator.GREATER_THAN,
                            Expression.variable("price")),
                            Expression.compare(Expression.value(100),
                                    Compare.Operator.GREATER_THAN_EQUAL,
                                    Expression.variable("volume")
                            )
                            )
                    ).window("lengthBatch", Expression.value(50))
    );
    query.select(
            Selector.selector().
                    select("symbol", Expression.variable("symbol")).
                    select("price", Expression.variable("price"))
    );
    query.updateBy("StockQuote", Expression.compare(
            Expression.variable("symbol"),
            Compare.Operator.EQUAL,
            Expression.variable("symbol").ofStream("StockQuote")));
}
 
Example 2
Source File: SimpleQueryTestCase.java    From siddhi with Apache License 2.0 5 votes vote down vote up
@Test
public void test15() {
    Query queryString = SiddhiCompiler.parseQuery("" +
            "from  StockStream[7+9.5 > price and 100 >= volume]#window.length(50) " +
            " " +
            "select symbol as symbol, price as price, volume as volume  " +
            "update StockQuote \n " +
            " on symbol==StockQuote.symbol ;"
    );
    AssertJUnit.assertNotNull(queryString);

    Query query = Query.query();
    query.from(
            InputStream.stream("StockStream").
                    filter(Expression.and(Expression.compare(Expression.add(Expression.value(7), Expression.value
                                    (9.5)),
                            Compare.Operator.GREATER_THAN,
                            Expression.variable("price")),
                            Expression.compare(Expression.value(100),
                                    Compare.Operator.GREATER_THAN_EQUAL,
                                    Expression.variable("volume")
                            )
                            )
                    ).window("length", Expression.value(50))
    );
    query.select(
            Selector.selector().
                    select("symbol", Expression.variable("symbol")).
                    select("price", Expression.variable("price")).
                    select("volume", Expression.variable("volume"))
    );
    query.updateBy("StockQuote", OutputStream.OutputEventType.CURRENT_EVENTS,
            Expression.compare(
                    Expression.variable("symbol"),
                    Compare.Operator.EQUAL,
                    Expression.variable("symbol").ofStream("StockQuote")));

    AssertJUnit.assertEquals(query, queryString);
}
 
Example 3
Source File: TableQueryTestCase.java    From siddhi with Apache License 2.0 5 votes vote down vote up
@Test
public void testCreatingUpdateByTypeQuery() {
    Query query = Query.query();
    query.from(
            InputStream.stream("cseEventStream").
                    filter(Expression.and(Expression.compare(Expression.add(Expression.value(7), Expression.value
                                    (9.5)),
                            Compare.Operator.GREATER_THAN,
                            Expression.variable("price")),
                            Expression.compare(Expression.value(100),
                                    Compare.Operator.GREATER_THAN_EQUAL,
                                    Expression.variable("volume")
                            )
                            )
                    ).window("lengthBatch", Expression.value(50))
    );
    query.select(
            Selector.selector().
                    select("symbol", Expression.variable("symbol")).
                    select("price", Expression.variable("price")).
                    select("volume", Expression.variable("volume"))
    );
    query.updateBy("StockQuote", OutputStream.OutputEventType.ALL_EVENTS,
            UpdateStream.updateSet().
                    set(
                            Expression.variable("price").ofStream("StockQuote"),
                            Expression.variable("price")).
                    set(
                            Expression.variable("volume").ofStream("StockQuote"),
                            Expression.variable("volume")),
            Expression.compare(
                    Expression.variable("symbol"),
                    Compare.Operator.EQUAL,
                    Expression.variable("symbol").ofStream("StockQuote")));

}
 
Example 4
Source File: SimpleQueryTestCase.java    From siddhi with Apache License 2.0 4 votes vote down vote up
@Test
public void test10() {
    Query queryString = SiddhiCompiler.parseQuery("" +
            "from  StockStream[7+9.5 > price and 100 >= volume]#window.length(50) " +
            " " +
            "select symbol as symbol, price as price, volume as volume  " +
            "update StockQuote \n " +
            "   set StockQuote.price = price, \n " +
            "    StockQuote.volume = volume " +
            " on symbol==StockQuote.symbol ;"
    );
    AssertJUnit.assertNotNull(queryString);

    Query query = Query.query();
    query.from(
            InputStream.stream("StockStream").
                    filter(Expression.and(Expression.compare(Expression.add(Expression.value(7), Expression.value
                                    (9.5)),
                            Compare.Operator.GREATER_THAN,
                            Expression.variable("price")),
                            Expression.compare(Expression.value(100),
                                    Compare.Operator.GREATER_THAN_EQUAL,
                                    Expression.variable("volume")
                            )
                            )
                    ).window("length", Expression.value(50))
    );
    query.select(
            Selector.selector().
                    select("symbol", Expression.variable("symbol")).
                    select("price", Expression.variable("price")).
                    select("volume", Expression.variable("volume"))
    );
    query.updateBy("StockQuote", OutputStream.OutputEventType.CURRENT_EVENTS,
            UpdateStream.updateSet().
                    set(
                            Expression.variable("price").ofStream("StockQuote"),
                            Expression.variable("price")).
                    set(
                            Expression.variable("volume").ofStream("StockQuote"),
                            Expression.variable("volume")),
            Expression.compare(
                    Expression.variable("symbol"),
                    Compare.Operator.EQUAL,
                    Expression.variable("symbol").ofStream("StockQuote")));

    AssertJUnit.assertEquals(query, queryString);

}
 
Example 5
Source File: SimpleQueryTestCase.java    From siddhi with Apache License 2.0 4 votes vote down vote up
@Test
public void test14() {
    Query queryString = SiddhiCompiler.parseQuery("" +
            "from  StockStream[7+9.5 > price and 100 >= volume]#window.length(50) " +
            " " +
            "select symbol as symbol, price as price, volume as volume  " +
            "update StockQuote \n " +
            "   set StockQuote.price = price, \n " +
            "    StockQuote.volume = volume " +
            " on symbol==StockQuote.symbol ;"
    );
    AssertJUnit.assertNotNull(queryString);

    Query query = Query.query();
    query.from(
            InputStream.stream("StockStream").
                    filter(Expression.and(Expression.compare(Expression.add(Expression.value(7), Expression.value
                                    (9.5)),
                            Compare.Operator.GREATER_THAN,
                            Expression.variable("price")),
                            Expression.compare(Expression.value(100),
                                    Compare.Operator.GREATER_THAN_EQUAL,
                                    Expression.variable("volume")
                            )
                            )
                    ).window("length", Expression.value(50))
    );
    query.select(
            Selector.selector().
                    select("symbol", Expression.variable("symbol")).
                    select("price", Expression.variable("price")).
                    select("volume", Expression.variable("volume"))
    );
    query.updateBy("StockQuote",
            UpdateStream.updateSet().
                    set(
                            Expression.variable("price").ofStream("StockQuote"),
                            Expression.variable("price")).
                    set(
                            Expression.variable("volume").ofStream("StockQuote"),
                            Expression.variable("volume")),
            Expression.compare(
                    Expression.variable("symbol"),
                    Compare.Operator.EQUAL,
                    Expression.variable("symbol").ofStream("StockQuote")));

    AssertJUnit.assertEquals(query, queryString);
}