public abstract class AggregateSegment<S extends AggregateSegment<S,Q,R>,Q extends IQuery<?,Q>,R> extends BaseSegment<R,Q>
| 限定符和类型 | 字段和说明 |
|---|---|
protected IAggregate |
aggregate |
S |
and |
S |
avg |
S |
count |
S |
group_concat |
S |
max |
S |
min |
S |
sum |
currField, wrapper| 限定符 | 构造器和说明 |
|---|---|
protected |
AggregateSegment(Q query) |
protected |
AggregateSegment(S segment,
IAggregate aggregate) |
public final S extends AggregateSegment<S,Q,R> and
protected final IAggregate aggregate
public S extends AggregateSegment<S,Q,R> max
public S extends AggregateSegment<S,Q,R> min
public S extends AggregateSegment<S,Q,R> sum
public S extends AggregateSegment<S,Q,R> avg
public S extends AggregateSegment<S,Q,R> count
public S extends AggregateSegment<S,Q,R> group_concat
protected AggregateSegment(Q query)
protected AggregateSegment(S segment, IAggregate aggregate)
protected abstract S aggregateSegment(IAggregate aggregate)
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