对DAO进行单位测试控制台报错:
org.hibernate.AssertionFailure: null id in xxx.xxx.xxx..model.MemKey entry (don't flush the Session after an exception occurs)
通过Navicat直接执行SQL语句报错,且key显示为蓝色:
INSERT INTO mem_key (prefix,site_id,user_id,suffix,key,expiration_time,create_time) VALUES(NULL,NULL,NULL,NULL,NULL,NULL,NULL); [Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key,expiration_time,create_time) VALUES(NULL,NULL,NULL,NULL,NULL,NULL,NULL)' at line 1
由此断定问题的原因是字段名和MySQL的保留字冲突了
MySQL5.5保留字见如下表格:
MySQL 5.5.44中的保留字 | ||
ACCESSIBLE | ADD | ALL |
ALTER | ANALYZE | AND |
AS | ASC | ASENSITIVE |
BEFORE | BETWEEN | BIGINT |
BINARY | BLOB | BOTH |
BY | CALL | CASCADE |
CASE | CHANGE | CHAR |
CHARACTER | CHECK | COLLATE |
COLUMN | CONDITION | CONSTRAINT |
CONTINUE | CONVERT | CREATE |
CROSS | CURRENT_DATE | CURRENT_TIME |
CURRENT_TIMESTAMP | CURRENT_USER | CURSOR |
DATABASE | DATABASES | DAY_HOUR |
DAY_MICROSECOND | DAY_MINUTE | DAY_SECOND |
DEC | DECIMAL | DECLARE |
DEFAULT | DELAYED | DELETE |
DESC | DESCRIBE | DETERMINISTIC |
DISTINCT | DISTINCTROW | DIV |
DOUBLE | DROP | DUAL |
EACH | ELSE | ELSEIF |
ENCLOSED | ESCAPED | EXISTS |
EXIT | EXPLAIN | FALSE |
FETCH | FLOAT | FLOAT4 |
FLOAT8 | FOR | FORCE |
FOREIGN | FROM | FULLTEXT |
GRANT | GROUP | HAVING |
HIGH_PRIORITY | HOUR_MICROSECOND | HOUR_MINUTE |
HOUR_SECOND | IF | IGNORE |
IN | INDEX | INFILE |
INNER | INOUT | INSENSITIVE |
INSERT | INT | INT1 |
INT2 | INT3 | INT4 |
INT8 | INTEGER | INTERVAL |
INTO | IS | ITERATE |
JOIN | KEY | KEYS |
KILL | LEADING | LEAVE |
LEFT | LIKE | LIMIT |
LINEAR | LINES | LOAD |
LOCALTIME | LOCALTIMESTAMP | LOCK |
LONG | LONGBLOB | LONGTEXT |
LOOP | LOW_PRIORITY | MASTER_SSL_VERIFY_SERVER_CERT |
MATCH | MAXVALUE | MEDIUMBLOB |
MEDIUMINT | MEDIUMTEXT | MIDDLEINT |
MINUTE_MICROSECOND | MINUTE_SECOND | MOD |
MODIFIES | NATURAL | NOT |
NO_WRITE_TO_BINLOG | NULL | NUMERIC |
ON | OPTIMIZE | OPTION |
OPTIONALLY | OR | ORDER |
OUT | OUTER | OUTFILE |
PRECISION | PRIMARY | PROCEDURE |
PURGE | RANGE | READ |
READS | READ_WRITE | REAL |
REFERENCES | REGEXP | RELEASE |
RENAME | REPEAT | REPLACE |
REQUIRE | RESIGNAL | RESTRICT |
RETURN | REVOKE | RIGHT |
RLIKE | SCHEMA | SCHEMAS |
SECOND_MICROSECOND | SELECT | SENSITIVE |
SEPARATOR | SET | SHOW |
SIGNAL | SMALLINT | SPATIAL |
SPECIFIC | SQL | SQLEXCEPTION |
SQLSTATE | SQLWARNING | SQL_BIG_RESULT |
SQL_CALC_FOUND_ROWS | SQL_SMALL_RESULT | SSL |
STARTING | STRAIGHT_JOIN | TABLE |
TERMINATED | THEN | TINYBLOB |
TINYINT | TINYTEXT | TO |
TRAILING | TRIGGER | TRUE |
UNDO | UNION | UNIQUE |
UNLOCK | UNSIGNED | UPDATE |
USAGE | USE | USING |
UTC_DATE | UTC_TIME | UTC_TIMESTAMP |
VALUES | VARBINARY | VARCHAR |
VARCHARACTER | VARYING | WHEN |
WHERE | WHILE | WITH |
WRITE | XOR | YEAR_MONTH |
ZEROFILL | ||
MySQL 5.5中的保留字 | ||
GENERAL | IGNORE_SERVER_IDS | MASTER_HEARTBEAT_PERIOD |
MAXVALUE | RESIGNAL | SIGNAL |
SLOW |
参见:http://dev.mysql.com/doc/refman/5.5/en/reserved-words.html
MySQL 5.5.44中的保留字 | ||
ACCESSIBLE | ADD | ALL |
ALTER | ANALYZE | AND |
AS | ASC | ASENSITIVE |
BEFORE | BETWEEN | BIGINT |
BINARY | BLOB | BOTH |
BY | CALL | CASCADE |
CASE | CHANGE | CHAR |
CHARACTER | CHECK | COLLATE |
COLUMN | CONDITION | CONSTRAINT |
CONTINUE | CONVERT | CREATE |
CROSS | CURRENT_DATE | CURRENT_TIME |
CURRENT_TIMESTAMP | CURRENT_USER | CURSOR |
DATABASE | DATABASES | DAY_HOUR |
DAY_MICROSECOND | DAY_MINUTE | DAY_SECOND |
DEC | DECIMAL | DECLARE |
DEFAULT | DELAYED | DELETE |
DESC | DESCRIBE | DETERMINISTIC |
DISTINCT | DISTINCTROW | DIV |
DOUBLE | DROP | DUAL |
EACH | ELSE | ELSEIF |
ENCLOSED | ESCAPED | EXISTS |
EXIT | EXPLAIN | FALSE |
FETCH | FLOAT | FLOAT4 |
FLOAT8 | FOR | FORCE |
FOREIGN | FROM | FULLTEXT |
GRANT | GROUP | HAVING |
HIGH_PRIORITY | HOUR_MICROSECOND | HOUR_MINUTE |
HOUR_SECOND | IF | IGNORE |
IN | INDEX | INFILE |
INNER | INOUT | INSENSITIVE |
INSERT | INT | INT1 |
INT2 | INT3 | INT4 |
INT8 | INTEGER | INTERVAL |
INTO | IS | ITERATE |
JOIN | KEY | KEYS |
KILL | LEADING | LEAVE |
LEFT | LIKE | LIMIT |
LINEAR | LINES | LOAD |
LOCALTIME | LOCALTIMESTAMP | LOCK |
LONG | LONGBLOB | LONGTEXT |
LOOP | LOW_PRIORITY | MASTER_SSL_VERIFY_SERVER_CERT |
MATCH | MAXVALUE | MEDIUMBLOB |
MEDIUMINT | MEDIUMTEXT | MIDDLEINT |
MINUTE_MICROSECOND | MINUTE_SECOND | MOD |
MODIFIES | NATURAL | NOT |
NO_WRITE_TO_BINLOG | NULL | NUMERIC |
ON | OPTIMIZE | OPTION |
OPTIONALLY | OR | ORDER |
OUT | OUTER | OUTFILE |
PRECISION | PRIMARY | PROCEDURE |
PURGE | RANGE | READ |
READS | READ_WRITE | REAL |
REFERENCES | REGEXP | RELEASE |
RENAME | REPEAT | REPLACE |
REQUIRE | RESIGNAL | RESTRICT |
RETURN | REVOKE | RIGHT |
RLIKE | SCHEMA | SCHEMAS |
SECOND_MICROSECOND | SELECT | SENSITIVE |
SEPARATOR | SET | SHOW |
SIGNAL | SMALLINT | SPATIAL |
SPECIFIC | SQL | SQLEXCEPTION |
SQLSTATE | SQLWARNING | SQL_BIG_RESULT |
SQL_CALC_FOUND_ROWS | SQL_SMALL_RESULT | SSL |
STARTING | STRAIGHT_JOIN | TABLE |
TERMINATED | THEN | TINYBLOB |
TINYINT | TINYTEXT | TO |
TRAILING | TRIGGER | TRUE |
UNDO | UNION | UNIQUE |
UNLOCK | UNSIGNED | UPDATE |
USAGE | USE | USING |
UTC_DATE | UTC_TIME | UTC_TIMESTAMP |
VALUES | VARBINARY | VARCHAR |
VARCHARACTER | VARYING | WHEN |
WHERE | WHILE | WITH |
WRITE | XOR | YEAR_MONTH |
ZEROFILL | ||
MySQL 5.5中的保留字 | ||
GENERAL | IGNORE_SERVER_IDS | MASTER_HEARTBEAT_PERIOD |
MAXVALUE | RESIGNAL | SIGNAL |
SLOW |
参见:http://dev.mysql.com/doc/refman/5.5/en/reserved-words.html