Examples with Limit io.shardingjdbc.core.parsing.parser.context.limit.Limit used on opensource projects

Example 16 with Limit

use of io.shardingjdbc.core.parsing.parser.context.limit.Limit in project sharding-jdbc by shardingjdbc.

the class DQLMergeEngineTest method assertBuildOrderByStreamMergedResultWithMySQLLimit.

@Test
public void assertBuildOrderByStreamMergedResultWithMySQLLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.MySQL));
    selectStatement.getOrderByItems().add(new OrderItem(1, OrderDirection.DESC, OrderDirection.ASC));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(LimitDecoratorMergedResult.class));
    assertThat(((LimitDecoratorMergedResult) actual).getMergedResult(), instanceOf(OrderByStreamMergedResult.class));
}

Example 17 with Limit

use of io.shardingjdbc.core.parsing.parser.context.limit.Limit in project sharding-jdbc by shardingjdbc.

the class DQLMergeEngineTest method assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithSQLServerLimit.

@Test
public void assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithSQLServerLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.SQLServer));
    selectStatement.getItems().add(new AggregationSelectItem(AggregationType.COUNT, "(*)", Optional.<String>absent()));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(TopAndRowNumberDecoratorMergedResult.class));
    assertThat(((TopAndRowNumberDecoratorMergedResult) actual).getMergedResult(), instanceOf(GroupByMemoryMergedResult.class));
}

Example 18 with Limit

use of io.shardingjdbc.core.parsing.parser.context.limit.Limit in project sharding-jdbc by shardingjdbc.

the class DQLMergeEngineTest method assertBuildGroupByStreamMergedResultWithSQLServerLimit.

@Test
public void assertBuildGroupByStreamMergedResultWithSQLServerLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.SQLServer));
    selectStatement.getGroupByItems().add(new OrderItem(1, OrderDirection.DESC, OrderDirection.ASC));
    selectStatement.getOrderByItems().add(new OrderItem(1, OrderDirection.DESC, OrderDirection.ASC));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(TopAndRowNumberDecoratorMergedResult.class));
    assertThat(((TopAndRowNumberDecoratorMergedResult) actual).getMergedResult(), instanceOf(GroupByStreamMergedResult.class));
}

Example 19 with Limit

use of io.shardingjdbc.core.parsing.parser.context.limit.Limit in project sharding-jdbc by shardingjdbc.

the class DQLMergeEngineTest method assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithMySQLLimit.

@Test
public void assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithMySQLLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.MySQL));
    selectStatement.getItems().add(new AggregationSelectItem(AggregationType.COUNT, "(*)", Optional.<String>absent()));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(LimitDecoratorMergedResult.class));
    assertThat(((LimitDecoratorMergedResult) actual).getMergedResult(), instanceOf(GroupByMemoryMergedResult.class));
}

Example 20 with Limit

use of io.shardingjdbc.core.parsing.parser.context.limit.Limit in project sharding-jdbc by shardingjdbc.

the class DQLMergeEngineTest method assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithOracleLimit.

@Test
public void assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithOracleLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.Oracle));
    selectStatement.getItems().add(new AggregationSelectItem(AggregationType.COUNT, "(*)", Optional.<String>absent()));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(RowNumberDecoratorMergedResult.class));
    assertThat(((RowNumberDecoratorMergedResult) actual).getMergedResult(), instanceOf(GroupByMemoryMergedResult.class));
}