## Uses of Class
org.apache.cayenne.query.ObjectSelect

- Packages that use ObjectSelect
  Package | Description
  --- | ---
  org.apache.cayenne.query | Defines standard queries supported by Cayenne and extension mechanism to create custom queries.

- - ### Uses of ObjectSelect in org.apache.cayenne.query

    Methods in org.apache.cayenne.query that return ObjectSelect
    Modifier and Type | Method and Description
    --- | ---
    `ObjectSelect<T>` | ObjectSelect.`and(Collection<Expression> expressions)` AND's provided expressions to the existing WHERE clause expression.
    `ObjectSelect<T>` | ObjectSelect.`and(Expression... expressions)` AND's provided expressions to the existing WHERE clause expression.
    `ObjectSelect<T>` | ObjectSelect.`cacheGroup(String cacheGroup)`
    `ObjectSelect<T>` | ObjectSelect.`cacheStrategy(QueryCacheStrategy strategy)`
    `ObjectSelect<T>` | ObjectSelect.`cacheStrategy(QueryCacheStrategy strategy, String cacheGroup)`
    `static ObjectSelect<DataRow>` | ObjectSelect.`dataRowQuery(Class<?> entityType)` Creates a ObjectSelect that fetches data for an `ObjEntity` determined from a provided class.
    `static ObjectSelect<DataRow>` | ObjectSelect.`dataRowQuery(Class<?> entityType, Expression expression)` Creates a ObjectSelect that fetches data for an `ObjEntity` determined from a provided class and uses provided expression for its qualifier.
    `ObjectSelect<T>` | ObjectSelect.`dbEntityName(String dbEntityName)` Sets the `DbEntity` name to fetch without changing the return type of the query.
    `static ObjectSelect<DataRow>` | ObjectSelect.`dbQuery(String dbEntityName)` Creates a ObjectSelect that fetches DataRows for a `DbEntity` determined from provided "dbEntityName".
    `static ObjectSelect<DataRow>` | ObjectSelect.`dbQuery(String dbEntityName, Expression expression)` Creates a ObjectSelect that fetches DataRows for a `DbEntity` determined from provided "dbEntityName" and uses provided expression for its qualifier.
    `ObjectSelect<T>` | ObjectSelect.`entityName(String entityName)` Sets the `ObjEntity` name to fetch without changing the return type of the query.
    `ObjectSelect<T>` | ObjectSelect.`entityType(Class<?> entityType)` Sets the type of the entity to fetch without changing the return type of the query.
    `ObjectSelect<DataRow>` | ObjectSelect.`fetchDataRows()` Forces query to fetch DataRows.
    `ObjectSelect<T>` | ObjectSelect.`limit(int fetchLimit)` Resets query fetch limit - a parameter that defines max number of objects that should be ever be fetched from the database.
    `ObjectSelect<T>` | ObjectSelect.`localCache()` Instructs Cayenne to look for query results in the "local" cache when running the query.
    `ObjectSelect<T>` | ObjectSelect.`localCache(String cacheGroup)` Instructs Cayenne to look for query results in the "local" cache when running the query.
    `ObjectSelect<T>` | ObjectSelect.`offset(int fetchOffset)` Resets query fetch offset - a parameter that defines how many objects should be skipped when reading data from the database.
    `ObjectSelect<T>` | ObjectSelect.`or(Collection<Expression> expressions)` OR's provided expressions to the existing WHERE clause expression.
    `ObjectSelect<T>` | ObjectSelect.`or(Expression... expressions)` OR's provided expressions to the existing WHERE clause expression.
    `ObjectSelect<T>` | ObjectSelect.`orderBy(Collection<Ordering> orderings)` Adds a list of orderings to this query.
    `ObjectSelect<T>` | ObjectSelect.`orderBy(Ordering... orderings)` Add one or more orderings to this query.
    `ObjectSelect<T>` | ObjectSelect.`orderBy(String property)` Add an ascending ordering on the given property.
    `ObjectSelect<T>` | ObjectSelect.`orderBy(String property, SortOrder sortOrder)` Add an ordering on the given property.
    `ObjectSelect<T>` | ObjectSelect.`pageSize(int pageSize)` Resets query page size.
    `ObjectSelect<T>` | ObjectSelect.`prefetch(PrefetchTreeNode prefetch)` Merges prefetch into the query prefetch tree.
    `ObjectSelect<T>` | ObjectSelect.`prefetch(String path, int semantics)` Merges a prefetch path with specified semantics into the query prefetch tree.
    `static <T> ObjectSelect<T>` | ObjectSelect.`query(Class<T> entityType)` Creates a ObjectSelect that selects objects of a given persistent class.
    `static <T> ObjectSelect<T>` | ObjectSelect.`query(Class<T> entityType, Expression expression)` Creates a ObjectSelect that selects objects of a given persistent class and uses provided expression for its qualifier.
    `static <T> ObjectSelect<T>` | ObjectSelect.`query(Class<T> entityType, Expression expression, List<Ordering> orderings)` Creates a ObjectSelect that selects objects of a given persistent class and uses provided expression for its qualifier.
    `static <T> ObjectSelect<T>` | ObjectSelect.`query(Class<T> resultType, String entityName)` Creates a ObjectSelect that fetches data for `ObjEntity` determined from provided "entityName", but fetches the result of a provided type.
    `ObjectSelect<T>` | ObjectSelect.`sharedCache()` Instructs Cayenne to look for query results in the "shared" cache when running the query.
    `ObjectSelect<T>` | ObjectSelect.`sharedCache(String cacheGroup)` Instructs Cayenne to look for query results in the "shared" cache when running the query.
    `ObjectSelect<T>` | ObjectSelect.`statementFetchSize(int size)` Sets fetch size of the PreparedStatement generated for this query.
    `ObjectSelect<T>` | ObjectSelect.`where(Expression expression)` Appends a qualifier expression of this query.
    `ObjectSelect<T>` | ObjectSelect.`where(String expressionString, Object... parameters)` Appends a qualifier expression of this query, using provided expression String and an array of position parameters.

    Constructors in org.apache.cayenne.query with parameters of type ObjectSelect
    Constructor and Description
    `ColumnSelect(ObjectSelect<T> select)` Copy constructor to convert ObjectSelect to ColumnSelect

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