Function parse_create_trigger 

pub fn parse_create_trigger(sql: &str) -> DbxResult<Trigger>

CREATE TRIGGER 파싱

문법

CREATE TRIGGER trigger_name
{ BEFORE | AFTER } { INSERT | UPDATE | DELETE }
ON table_name
[ FOR EACH { ROW | STATEMENT } ]
[ WHEN ( condition ) ]
BEGIN
  sql_statement;
  ...
END;