org.jnosql.query

Interface SelectQuery

All Superinterfaces:

Query

public interface SelectQuery
extends Query

The select statement reads one or more fields for one or more entities. It returns a result-set of the entities matching the request, where each entity contains the fields for corresponding to the query.

Method Summary

Modifier and Type	Method and Description
String	getEntity() The entity name
List<String>	getFields() The fields that will retrieve in this query, if this fields is empty, this query will retrieve the whole entity.
long	getLimit() Statement limits the number of rows returned by a query,
List<Sort>	getOrderBy() The list of orders, it is used to sort the result-set in ascending or descending order.
long	getSkip() Statement defines where the query should start
Optional<Where>	getWhere() The condition at this SelectQuery, if the Where is empty that means may retrieve the whole entities.

Method Detail

getFields

List<String> getFields()

The fields that will retrieve in this query, if this fields is empty, this query will retrieve the whole entity.

Returns:

the fields list

getEntity

String getEntity()

The entity name

Returns:

the entity name

getWhere

Optional<Where> getWhere()

The condition at this SelectQuery, if the Where is empty that means may retrieve the whole entities.

Returns:

the Where entity otherwise Optional.empty()

getSkip

long getSkip()

Statement defines where the query should start

Returns:

the number to skip, otherwise either negative value or zero

getLimit

long getLimit()

Statement limits the number of rows returned by a query,

Returns:

the maximum of result, otherwise either negative value or zero

getOrderBy

List<Sort> getOrderBy()

The list of orders, it is used to sort the result-set in ascending or descending order.

Returns:

the order list