Examples with MergeContext com.dangdang.ddframe.rdb.sharding.parser.result.merger.MergeContext used on opensource projects

Example 11 with MergeContext

use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.MergeContext in project sharding-jdbc by dangdangdotcom.

the class IteratorResultSetTest method assertNext.

@Test
public void assertNext() throws SQLException {
    ResultSet resultSet = ResultSetFactory.getResultSet(Arrays.<ResultSet>asList(new MockResultSet<>(1), new MockResultSet<>(2, 4), new MockResultSet<Integer>()), new MergeContext());
    int count = 0;
    while (resultSet.next()) {
        count++;
    }
    assertThat(count, is(3));
}

Example 12 with MergeContext

use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.MergeContext in project sharding-jdbc by dangdangdotcom.

the class ResultSetMergeContextTest method assertIsNeedMemorySortForOrderByWithGroupByAndOrderBySame.

@Test
public void assertIsNeedMemorySortForOrderByWithGroupByAndOrderBySame() throws SQLException {
    MergeContext mergeContext = new MergeContext();
    mergeContext.getOrderByColumns().add(new OrderByColumn("col", OrderByColumn.OrderByType.ASC));
    mergeContext.getGroupByColumns().add(new GroupByColumn(Optional.<String>absent(), "col", Optional.<String>absent(), OrderByColumn.OrderByType.ASC));
    ResultSetMergeContext actual = new ResultSetMergeContext(new ShardingResultSets(Collections.singletonList(MergerTestUtil.mockResult(Collections.singletonList("col")))), mergeContext);
    assertFalse(actual.isNeedMemorySortForOrderBy());
}

Example 13 with MergeContext

use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.MergeContext in project sharding-jdbc by dangdangdotcom.

the class ResultSetMergeContextTest method assertIsNotNeedMemorySortForOrderByWithoutOrderBy.

@Test
public void assertIsNotNeedMemorySortForOrderByWithoutOrderBy() throws SQLException {
    ResultSetMergeContext actual = new ResultSetMergeContext(new ShardingResultSets(Collections.singletonList(MergerTestUtil.mockResult(Collections.<String>emptyList()))), new MergeContext());
    assertFalse(actual.isNeedMemorySortForOrderBy());
}

Example 14 with MergeContext

use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.MergeContext in project sharding-jdbc by dangdangdotcom.

the class ResultSetMergeContextTest method assertIsNeedMemorySortForOrderByWithGroupByAndOrderByDifferent.

@Test
public void assertIsNeedMemorySortForOrderByWithGroupByAndOrderByDifferent() throws SQLException {
    MergeContext mergeContext = new MergeContext();
    mergeContext.getOrderByColumns().add(new OrderByColumn("order_col", OrderByColumn.OrderByType.ASC));
    mergeContext.getGroupByColumns().add(new GroupByColumn(Optional.<String>absent(), "group_col", Optional.<String>absent(), OrderByColumn.OrderByType.ASC));
    ResultSetMergeContext actual = new ResultSetMergeContext(new ShardingResultSets(Collections.singletonList(MergerTestUtil.mockResult(Arrays.asList("order_col", "group_col")))), mergeContext);
    actual.setGroupByKeysToCurrentOrderByKeys();
    assertTrue(actual.isNeedMemorySortForOrderBy());
}

Example 15 with MergeContext

use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.MergeContext in project sharding-jdbc by dangdangdotcom.

the class ResultSetMergeContextTest method assertSetGroupByKeysToCurrentOrderByKeys.

@Test
public void assertSetGroupByKeysToCurrentOrderByKeys() throws SQLException {
    MergeContext mergeContext = new MergeContext();
    mergeContext.getOrderByColumns().add(new OrderByColumn("order_col", OrderByColumn.OrderByType.ASC));
    mergeContext.getGroupByColumns().add(new GroupByColumn(Optional.<String>absent(), "group_col", Optional.<String>absent(), OrderByColumn.OrderByType.ASC));
    ResultSetMergeContext actual = new ResultSetMergeContext(new ShardingResultSets(Collections.singletonList(MergerTestUtil.mockResult(Arrays.asList("order_col", "group_col")))), mergeContext);
    actual.setGroupByKeysToCurrentOrderByKeys();
    assertThat(actual.getCurrentOrderByKeys().size(), is(1));
    assertThat(actual.getCurrentOrderByKeys().get(0).getColumnName().get(), is("group_col"));
}