DROP BROADCAST TABLE RULE
语法用于为指定的广播表删除广播规则。
DropBroadcastTableRule ::=
'DROP' 'BROADCAST' 'TABLE' 'RULE' ifExists? tableName (',' tableName)*
ifExists ::=
'IF' 'EXISTS'
tableName ::=
identifier
tableName
可使用已经存在的广播规则的表;ifExists
子句用于避免 Broadcast rule not exists
错误。DROP BROADCAST TABLE RULE t_province, t_city;
ifExists
子句为广播表删除广播规则DROP BROADCAST TABLE RULE IF EXISTS t_province, t_city;
DROP
、BROADCAST
、TABLE
、RULE