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

Example 31 with Limit

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

the class DQLMergeEngineTest method assertBuildIteratorStreamMergedResultWithOracleLimit.

@Test
public void assertBuildIteratorStreamMergedResultWithOracleLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.Oracle));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(RowNumberDecoratorMergedResult.class));
    assertThat(((RowNumberDecoratorMergedResult) actual).getMergedResult(), instanceOf(IteratorStreamMergedResult.class));
}

Example 32 with Limit

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

the class DQLMergeEngineTest method assertBuildGroupByMemoryMergedResultWithSQLServerLimit.

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

Example 33 with Limit

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

the class DQLMergeEngineTest method assertBuildOrderByStreamMergedResultWithSQLServerLimit.

@Test
public void assertBuildOrderByStreamMergedResultWithSQLServerLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.SQLServer));
    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(OrderByStreamMergedResult.class));
}

Example 34 with Limit

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

the class DQLMergeEngineTest method assertBuildGroupByMemoryMergedResultWithOracleLimit.

@Test
public void assertBuildGroupByMemoryMergedResultWithOracleLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.Oracle));
    selectStatement.getGroupByItems().add(new OrderItem(1, OrderDirection.DESC, OrderDirection.ASC));
    selectStatement.getOrderByItems().add(new OrderItem(2, OrderDirection.DESC, OrderDirection.ASC));
    mergeEngine = new DQLMergeEngine(queryResults, selectStatement);
    MergedResult actual = mergeEngine.merge();
    assertThat(actual, instanceOf(RowNumberDecoratorMergedResult.class));
    assertThat(((RowNumberDecoratorMergedResult) actual).getMergedResult(), instanceOf(GroupByMemoryMergedResult.class));
}

Example 35 with Limit

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

the class DQLMergeEngineTest method assertBuildGroupByMemoryMergedResultWithMySQLLimit.

@Test
public void assertBuildGroupByMemoryMergedResultWithMySQLLimit() throws SQLException {
    selectStatement.setLimit(new Limit(DatabaseType.MySQL));
    selectStatement.getGroupByItems().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(GroupByMemoryMergedResult.class));
}