use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.OrderByColumn in project sharding-jdbc by dangdangdotcom.
the class ParseContext method addOrderByColumn.
/**
* 将排序列加入解析上下文.
*
* @param owner 列拥有者
* @param name 列名称
* @param orderByType 排序类型
*/
public void addOrderByColumn(final Optional<String> owner, final String name, final OrderByType orderByType) {
String rawName = SQLUtil.getExactlyValue(name);
parsedResult.getMergeContext().getOrderByColumns().add(new OrderByColumn(owner, rawName, getAlias(rawName), orderByType));
}
use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.OrderByColumn in project sharding-jdbc by dangdangdotcom.
the class AbstractBaseParseTest method getDataParameter.
private static Object[] getDataParameter(final Assert assertObj) {
Object[] result = new Object[6];
result[0] = assertObj.getId();
result[1] = assertObj.getSql();
result[2] = assertObj.getExpectedSQL();
result[3] = Lists.transform(assertObj.getTables(), new Function<com.dangdang.ddframe.rdb.sharding.parser.jaxb.Table, Table>() {
@Override
public Table apply(final com.dangdang.ddframe.rdb.sharding.parser.jaxb.Table input) {
return new Table(input.getName(), input.getAlias());
}
});
if (null == assertObj.getConditionContexts()) {
result[4] = Collections.<ConditionContext>emptyList();
} else {
result[4] = Lists.transform(assertObj.getConditionContexts(), new Function<com.dangdang.ddframe.rdb.sharding.parser.jaxb.ConditionContext, ConditionContext>() {
@Override
public ConditionContext apply(final com.dangdang.ddframe.rdb.sharding.parser.jaxb.ConditionContext input) {
ConditionContext result = new ConditionContext();
if (null == input.getConditions()) {
return result;
}
for (com.dangdang.ddframe.rdb.sharding.parser.jaxb.Condition each : input.getConditions()) {
Condition condition = new Condition(new Column(each.getColumnName(), each.getTableName()), BinaryOperator.valueOf(each.getOperator().toUpperCase()));
condition.getValues().addAll(Lists.transform(each.getValues(), new Function<Value, Comparable<?>>() {
@Override
public Comparable<?> apply(final Value input) {
return input.getValueWithType();
}
}));
if (null != each.getValueIndices()) {
condition.getValueIndices().addAll(each.getValueIndices());
}
result.add(condition);
}
return result;
}
});
}
MergeContext mergeContext = new MergeContext();
if (null != assertObj.getOrderByColumns()) {
mergeContext.getOrderByColumns().addAll(Lists.transform(assertObj.getOrderByColumns(), new Function<com.dangdang.ddframe.rdb.sharding.parser.jaxb.OrderByColumn, OrderByColumn>() {
@Override
public OrderByColumn apply(final com.dangdang.ddframe.rdb.sharding.parser.jaxb.OrderByColumn input) {
return Strings.isNullOrEmpty(input.getName()) ? new OrderByColumn(input.getIndex(), OrderByType.valueOf(input.getOrderByType().toUpperCase())) : new OrderByColumn(Optional.fromNullable(input.getOwner()), input.getName(), Optional.fromNullable(input.getAlias()), OrderByType.valueOf(input.getOrderByType().toUpperCase()));
}
}));
}
if (null != assertObj.getGroupByColumns()) {
mergeContext.getGroupByColumns().addAll(Lists.transform(assertObj.getGroupByColumns(), new Function<com.dangdang.ddframe.rdb.sharding.parser.jaxb.GroupByColumn, GroupByColumn>() {
@Override
public GroupByColumn apply(final com.dangdang.ddframe.rdb.sharding.parser.jaxb.GroupByColumn input) {
return new GroupByColumn(Optional.fromNullable(input.getOwner()), input.getName(), Optional.fromNullable(input.getAlias()), OrderByType.valueOf(input.getOrderByType().toUpperCase()));
}
}));
}
if (null != assertObj.getAggregationColumns()) {
mergeContext.getAggregationColumns().addAll(Lists.transform(assertObj.getAggregationColumns(), new Function<com.dangdang.ddframe.rdb.sharding.parser.jaxb.AggregationColumn, AggregationColumn>() {
@Override
public AggregationColumn apply(final com.dangdang.ddframe.rdb.sharding.parser.jaxb.AggregationColumn input) {
AggregationColumn result = new AggregationColumn(input.getExpression(), AggregationType.valueOf(input.getAggregationType().toUpperCase()), Optional.fromNullable(input.getAlias()), Optional.fromNullable(input.getOption()));
if (null != input.getIndex()) {
result.setColumnIndex(input.getIndex());
}
for (com.dangdang.ddframe.rdb.sharding.parser.jaxb.AggregationColumn each : input.getDerivedColumns()) {
result.getDerivedColumns().add(new AggregationColumn(each.getExpression(), AggregationType.valueOf(each.getAggregationType().toUpperCase()), Optional.fromNullable(each.getAlias()), Optional.fromNullable(each.getOption())));
}
return result;
}
}));
}
if (null != assertObj.getLimit()) {
mergeContext.setLimit(new Limit(assertObj.getLimit().getOffset(), assertObj.getLimit().getRowCount(), assertObj.getLimit().getOffsetParameterIndex(), assertObj.getLimit().getRowCountParameterIndex()));
}
result[5] = mergeContext;
return result;
}
use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.OrderByColumn in project sharding-jdbc by dangdangdotcom.
the class AbstractBaseParseTest method assertMergeContext.
private void assertMergeContext(final SQLParsedResult actual) {
for (OrderByColumn each : actual.getMergeContext().getOrderByColumns()) {
assertThat(each, new ReflectionEquals(orderByColumns.next()));
}
assertFalse(orderByColumns.hasNext());
for (GroupByColumn each : actual.getMergeContext().getGroupByColumns()) {
assertThat(each, new ReflectionEquals(groupByColumns.next()));
}
assertFalse(groupByColumns.hasNext());
for (AggregationColumn each : actual.getMergeContext().getAggregationColumns()) {
AggregationColumn expected = aggregationColumns.next();
assertThat(each, new ReflectionEquals(expected, "derivedColumns"));
for (int i = 0; i < each.getDerivedColumns().size(); i++) {
assertThat(each.getDerivedColumns().get(i), new ReflectionEquals(expected.getDerivedColumns().get(i)));
}
}
assertFalse(aggregationColumns.hasNext());
assertThat(actual.getMergeContext().getLimit(), new ReflectionEquals(limit));
}
use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.OrderByColumn in project sharding-jdbc by dangdangdotcom.
the class SQLParsedResultTest method generateMergeContext.
private void generateMergeContext(final MergeContext mergeContext) {
mergeContext.getAggregationColumns().add(new AggregationColumn("COUNT(id)", AggregationType.COUNT, Optional.of("c"), Optional.<String>absent()));
mergeContext.getOrderByColumns().add(new OrderByColumn(Optional.<String>absent(), "id", Optional.of("a"), OrderByType.DESC));
mergeContext.getGroupByColumns().add(new GroupByColumn(Optional.<String>absent(), "id", Optional.of("d"), OrderByType.ASC));
mergeContext.setLimit(new Limit(0, 10, -1, -1));
}
use of com.dangdang.ddframe.rdb.sharding.parser.result.merger.OrderByColumn in project sharding-jdbc by dangdangdotcom.
the class ResultSetMergeContextTest method assertIsNeedMemorySortForGroupByWithGroupByAndOrderBySame.
@Test
public void assertIsNeedMemorySortForGroupByWithGroupByAndOrderBySame() 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.isNeedMemorySortForGroupBy());
}
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