13.7.5.11 SHOW CREATE TRIGGER 语句

SHOW CREATE TRIGGER trigger_name

该语句显示创建命名触发器的CREATE TRIGGER语句。该语句要求与触发器关联的 table 具有TRIGGER特权。

mysql> SHOW CREATE TRIGGER ins_sum\G
*************************** 1. row ***************************
               Trigger: ins_sum
              sql_mode: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,
                        NO_ZERO_IN_DATE,NO_ZERO_DATE,
                        ERROR_FOR_DIVISION_BY_ZERO,
                        NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
SQL Original Statement: CREATE DEFINER=`me`@`localhost` TRIGGER ins_sum
                        BEFORE INSERT ON account
                        FOR EACH ROW SET @sum = @sum + NEW.amount
  character_set_client: utf8
  collation_connection: utf8_general_ci
    Database Collation: latin1_swedish_ci
               Created: 2018-08-08 10:10:07.90

显示创建触发器输出包含以下列:

INFORMATION_SCHEMA TRIGGERStable 中也提供了触发信息。参见第 24.29 节“ INFORMATION_SCHEMA TRIGGERStable”

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