Examples with WithinExpression io.confluent.ksql.parser.tree.WithinExpression used on opensource projects

Example 11 with WithinExpression

use of io.confluent.ksql.parser.tree.WithinExpression in project ksql by confluentinc.

the class SqlFormatterTest method shouldFormatMultipleLeftJoinWithWithin.

@Test
public void shouldFormatMultipleLeftJoinWithWithin() {
    final List<JoinedSource> rights = ImmutableList.of(new JoinedSource(Optional.empty(), rightAlias, JoinedSource.Type.LEFT, criteria, Optional.of(new WithinExpression(10, TimeUnit.SECONDS))), new JoinedSource(Optional.empty(), right2Alias, JoinedSource.Type.LEFT, criteria2, Optional.of(new WithinExpression(10, TimeUnit.SECONDS))));
    final Join join = new Join(leftAlias, rights);
    final String expected = "`left` L" + "\nLEFT OUTER JOIN `right` R WITHIN 10 SECONDS ON (('left.col0' = 'right.col0'))" + "\nLEFT OUTER JOIN `right2` R2 WITHIN 10 SECONDS ON (('left.col0' = 'right2.col0'))";
    assertEquals(expected, SqlFormatter.formatSql(join));
}

Example 12 with WithinExpression

use of io.confluent.ksql.parser.tree.WithinExpression in project ksql by confluentinc.

the class KsqlParserTest method shouldSetWithinExpressionWithBeforeAndAfterAndGracePeriod.

@Test
public void shouldSetWithinExpressionWithBeforeAndAfterAndGracePeriod() {
    final String statementString = "CREATE STREAM foobar as SELECT * from TEST1 JOIN ORDERS " + "WITHIN (10 seconds, 20 minutes) GRACE PERIOD 10 minutes " + "ON TEST1.col1 = ORDERS.ORDERID ;";
    final Statement statement = KsqlParserTestUtil.buildSingleAst(statementString, metaStore).getStatement();
    assertThat(statement, instanceOf(CreateStreamAsSelect.class));
    final CreateStreamAsSelect createStreamAsSelect = (CreateStreamAsSelect) statement;
    final Query query = createStreamAsSelect.getQuery();
    assertThat(query.getFrom(), instanceOf(Join.class));
    final JoinedSource join = Iterables.getOnlyElement(((Join) query.getFrom()).getRights());
    assertTrue(join.getWithinExpression().isPresent());
    final WithinExpression withinExpression = join.getWithinExpression().get();
    assertThat(withinExpression.getBefore(), is(10L));
    assertThat(withinExpression.getAfter(), is(20L));
    assertThat(withinExpression.getBeforeTimeUnit(), is(TimeUnit.SECONDS));
    assertThat(withinExpression.getAfterTimeUnit(), is(TimeUnit.MINUTES));
    assertThat(withinExpression.getGrace(), is(Optional.of(new WindowTimeClause(10, TimeUnit.MINUTES))));
    assertThat(join.getType(), is(JoinedSource.Type.INNER));
}

Example 13 with WithinExpression

use of io.confluent.ksql.parser.tree.WithinExpression in project ksql by confluentinc.

the class JoinNodeTest method shouldNotPerformTableToTableJoinIfJoinWindowIsSpecified.

@Test
public void shouldNotPerformTableToTableJoinIfJoinWindowIsSpecified() {
    // Given:
    when(left.getNodeOutputType()).thenReturn(DataSourceType.KTABLE);
    when(right.getNodeOutputType()).thenReturn(DataSourceType.KTABLE);
    final WithinExpression withinExpression = new WithinExpression(10, TimeUnit.SECONDS);
    final JoinNode joinNode = new JoinNode(nodeId, OUTER, joinKey, true, left, right, Optional.of(withinExpression), "KAFKA");
    // When:
    final Exception e = assertThrows(KsqlException.class, () -> joinNode.buildStream(planBuildContext));
    // Then:
    assertThat(e.getMessage(), containsString("A window definition was provided for a Table-Table join."));
}