类的使用
org.apache.flink.table.runtime.functions.aggregate.BuiltInAggregateFunction

使用BuiltInAggregateFunction的程序包

程序包	说明
org.apache.flink.table.runtime.functions.aggregate

org.apache.flink.table.runtime.functions.aggregate中BuiltInAggregateFunction的使用

org.apache.flink.table.runtime.functions.aggregate中BuiltInAggregateFunction的子类

限定符和类型	类和说明
class	CollectAggFunction<T> Built-in COLLECT aggregate function.
class	FirstValueAggFunction<T> Built-in FIRST_VALUE aggregate function.
class	FirstValueWithRetractAggFunction<T> Built-in FIRST_VALUE with retraction aggregate function.
class	JsonArrayAggFunction Implementation for BuiltInFunctionDefinitions.JSON_ARRAYAGG_ABSENT_ON_NULL / BuiltInFunctionDefinitions.JSON_ARRAYAGG_NULL_ON_NULL.
class	JsonObjectAggFunction Implementation for BuiltInFunctionDefinitions.JSON_OBJECTAGG_NULL_ON_NULL / BuiltInFunctionDefinitions.JSON_OBJECTAGG_ABSENT_ON_NULL.
class	LagAggFunction<T> Lag AggregateFunction.
class	LastValueAggFunction<T> Built-in LAST_VALUE aggregate function.
class	LastValueWithRetractAggFunction<T> Built-in LAST_VALUE with retraction aggregate function.
class	ListAggWithRetractAggFunction Built-in LISTAGG with retraction aggregate function.
class	ListAggWsWithRetractAggFunction Built-in LISTAGGWS with retraction aggregate function.
class	MaxWithRetractAggFunction<T extends Comparable<T>> Built-in MAX with retraction aggregate function.
class	MinWithRetractAggFunction<T extends Comparable<T>> Built-in MIN with retraction aggregate function.