MySQL保留字不能作为字段名使用
在设计MySQL字段的时候，无意中使用InOut这个名称作为字段名称，结果前端提交后就是没有写入数据库！但后端没有任何提示，跟踪mySQL日志，也没有留下痕迹，反复查，不得其解。 后来实在没有办法情况下，之后把表删除，重新手动建一次表，就在再次建表的时候，灵光一现，可能就出在InOut这个名字上，于是改为In_Out，果不出其然，一切OK。 原因是InOut是mySQL的保留字，不能作为字段名。
MySQL保留字如下：
Table 9.2 Keywords and Reserved Words in MySQL 5.7
ACCESSIBLE (R) |
ACCOUNT[a] |
ACTION |
ADD (R) |
AFTER |
AGAINST |
AGGREGATE |
ALGORITHM |
ALL (R) |
ALTER (R) |
ALWAYS[b] |
ANALYSE |
ANALYZE (R) |
AND (R) |
ANY |
AS (R) |
ASC (R) |
ASCII |
ASENSITIVE (R) |
AT |
AUTOEXTEND_SIZE |
AUTO_INCREMENT |
AVG |
AVG_ROW_LENGTH |
BACKUP |
BEFORE (R) |
BEGIN |
BETWEEN (R) |
BIGINT (R) |
BINARY (R) |
BINLOG |
BIT |
BLOB (R) |
BLOCK |
BOOL |
BOOLEAN |
BOTH (R) |
BTREE |
BY (R) |
BYTE |
CACHE |
CALL (R) |
CASCADE (R) |
CASCADED |
CASE (R) |
CATALOG_NAME |
CHAIN |
CHANGE (R) |
CHANGED |
CHANNEL[c] |
CHAR (R) |
CHARACTER (R) |
CHARSET |
CHECK (R) |
CHECKSUM |
CIPHER |
CLASS_ORIGIN |
CLIENT |
CLOSE |
COALESCE |
CODE |
COLLATE (R) |
COLLATION |
COLUMN (R) |
COLUMNS |
COLUMN_FORMAT |
COLUMN_NAME |
COMMENT |
COMMIT |
COMMITTED |
COMPACT |
COMPLETION |
COMPRESSED |
COMPRESSION[d] |
CONCURRENT |
CONDITION (R) |
CONNECTION |
CONSISTENT |
CONSTRAINT (R) |
CONSTRAINT_CATALOG |
CONSTRAINT_NAME |
CONSTRAINT_SCHEMA |
CONTAINS |
CONTEXT |
CONTINUE (R) |
CONVERT (R) |
CPU |
CREATE (R) |
CROSS (R) |
CUBE |
CURRENT |
CURRENT_DATE (R) |
CURRENT_TIME (R) |
CURRENT_TIMESTAMP (R) |
CURRENT_USER (R) |
CURSOR (R) |
CURSOR_NAME |
DATA |
DATABASE (R) |
DATABASES (R) |
DATAFILE |
DATE |
DATETIME |
DAY |
DAY_HOUR (R) |
DAY_MICROSECOND (R) |
DAY_MINUTE (R) |
DAY_SECOND (R) |
DEALLOCATE |
DEC (R) |
DECIMAL (R) |
DECLARE (R) |
DEFAULT (R) |
DEFAULT_AUTH |
DEFINER |
DELAYED (R) |
DELAY_KEY_WRITE |
DELETE (R) |
DESC (R) |
DESCRIBE (R) |
DES_KEY_FILE |
DETERMINISTIC (R) |
DIAGNOSTICS |
DIRECTORY |
DISABLE |
DISCARD |
DISK |
DISTINCT (R) |
DISTINCTROW (R) |
DIV (R) |
DO |
DOUBLE (R) |
DROP (R) |
DUAL (R) |
DUMPFILE |
DUPLICATE |
DYNAMIC |
EACH (R) |
ELSE (R) |
ELSEIF (R) |
ENABLE |
ENCLOSED (R) |
ENCRYPTION[e] |
END |
ENDS |
ENGINE |
ENGINES |
ENUM |
ERROR |
ERRORS |
ESCAPE |
ESCAPED (R) |
EVENT |
EVENTS |
EVERY |
EXCHANGE |
EXECUTE |
EXISTS (R) |
EXIT (R) |
EXPANSION |
EXPIRE |
EXPLAIN (R) |
EXPORT |
EXTENDED |
EXTENT_SIZE |
FALSE (R) |
FAST |
FAULTS |
FETCH (R) |
FIELDS |
FILE |
FILE_BLOCK_SIZE[f] |
FILTER[g] |
FIRST |
FIXED |
FLOAT (R) |
FLOAT4 (R) |
FLOAT8 (R) |
FLUSH |
FOLLOWS[h] |
FOR (R) |
FORCE (R) |
FOREIGN (R) |
FORMAT |
FOUND |
FROM (R) |
FULL |
FULLTEXT (R) |
FUNCTION |
GENERAL |
GENERATED[i] (R) |
GEOMETRY |
GEOMETRYCOLLECTION |
GET (R) |
GET_FORMAT |
GLOBAL |
GRANT (R) |
GRANTS |
GROUP (R) |
GROUP_REPLICATION[j] |
HANDLER |
HASH |
HAVING (R) |
HELP |
HIGH_PRIORITY (R) |
HOST |
HOSTS |
HOUR |
HOUR_MICROSECOND (R) |
HOUR_MINUTE (R) |
HOUR_SECOND (R) |
IDENTIFIED |
IF (R) |
IGNORE (R) |
IGNORE_SERVER_IDS |
IMPORT |
IN (R) |
INDEX (R) |
INDEXES |
INFILE (R) |
INITIAL_SIZE |
INNER (R) |
INOUT (R) |
INSENSITIVE (R) |
INSERT (R) |
INSERT_METHOD |
INSTALL |
INSTANCE[k] |
INT (R) |
INT1 (R) |
INT2 (R) |
INT3 (R) |
INT4 (R) |
INT8 (R) |
INTEGER (R) |
INTERVAL (R) |
INTO (R) |
INVOKER |
IO |
IO_AFTER_GTIDS (R) |
IO_BEFORE_GTIDS (R) |
IO_THREAD |
IPC |
IS (R) |
ISOLATION |
ISSUER |
ITERATE (R) |
JOIN (R) |
JSON[l] |
KEY (R) |
KEYS (R) |
KEY_BLOCK_SIZE |
KILL (R) |
LANGUAGE |
LAST |
LEADING (R) |
LEAVE (R) |
LEAVES |
LEFT (R) |
LESS |
LEVEL |
LIKE (R) |
LIMIT (R) |
LINEAR (R) |
LINES (R) |
LINESTRING |
LIST |
LOAD (R) |
LOCAL |
LOCALTIME (R) |
LOCALTIMESTAMP (R) |
LOCK (R) |
LOCKS |
LOGFILE |
LOGS |
LONG (R) |
LONGBLOB (R) |
LONGTEXT (R) |
LOOP (R) |
LOW_PRIORITY (R) |
MASTER |
MASTER_AUTO_POSITION |
MASTER_BIND (R) |
MASTER_CONNECT_RETRY |
MASTER_DELAY |
MASTER_HEARTBEAT_PERIOD |
MASTER_HOST |
MASTER_LOG_FILE |
MASTER_LOG_POS |
MASTER_PASSWORD |
MASTER_PORT |
MASTER_RETRY_COUNT |
MASTER_SERVER_ID |
MASTER_SSL |
MASTER_SSL_CA |
MASTER_SSL_CAPATH |
MASTER_SSL_CERT |
MASTER_SSL_CIPHER |
MASTER_SSL_CRL |
MASTER_SSL_CRLPATH |
MASTER_SSL_KEY |
MASTER_SSL_VERIFY_SERVER_CERT (R) |
MASTER_TLS_VERSION[m] |
MASTER_USER |
MATCH (R) |
MAXVALUE (R) |
MAX_CONNECTIONS_PER_HOUR |
MAX_QUERIES_PER_HOUR |
MAX_ROWS |
MAX_SIZE |
MAX_STATEMENT_TIME[n] |
MAX_UPDATES_PER_HOUR |
MAX_USER_CONNECTIONS |
MEDIUM |
MEDIUMBLOB (R) |
MEDIUMINT (R) |
MEDIUMTEXT (R) |
MEMORY |
MERGE |
MESSAGE_TEXT |
MICROSECOND |
MIDDLEINT (R) |
MIGRATE |
MINUTE |
MINUTE_MICROSECOND (R) |
MINUTE_SECOND (R) |
MIN_ROWS |
MOD (R) |
MODE |
MODIFIES (R) |
MODIFY |
MONTH |
MULTILINESTRING |
MULTIPOINT |
MULTIPOLYGON |
MUTEX |
MYSQL_ERRNO |
NAME |
NAMES |
NATIONAL |
NATURAL (R) |
NCHAR |
NDB |
NDBCLUSTER |
NEVER[o] |
NEW |
NEXT |
NO |
NODEGROUP |
NONBLOCKING[p] |
NONE |
NOT (R) |
NO_WAIT |
NO_WRITE_TO_BINLOG (R) |
NULL (R) |
NUMBER |
NUMERIC (R) |
NVARCHAR |
OFFSET |
OLD_PASSWORD[q] |
ON (R) |
ONE |
ONLY |
OPEN |
OPTIMIZE (R) |
OPTIMIZER_COSTS[r] (R) |
OPTION (R) |
OPTIONALLY (R) |
OPTIONS |
OR (R) |
ORDER (R) |
OUT (R) |
OUTER (R) |
OUTFILE (R) |
OWNER |
PACK_KEYS |
PAGE |
PARSER |
PARSE_GCOL_EXPR[s] |
PARTIAL |
PARTITION (R) |
PARTITIONING |
PARTITIONS |
PASSWORD |
PHASE |
PLUGIN |
PLUGINS |
PLUGIN_DIR |
POINT |
POLYGON |
PORT |
PRECEDES[t] |
PRECISION (R) |
PREPARE |
PRESERVE |
PREV |
PRIMARY (R) |
PRIVILEGES |
PROCEDURE (R) |
PROCESSLIST |
PROFILE |
PROFILES |
PROXY |
PURGE (R) |
QUARTER |
QUERY |
QUICK |
RANGE (R) |
READ (R) |
READS (R) |
READ_ONLY |
READ_WRITE (R) |
REAL (R) |
REBUILD |
RECOVER |
REDOFILE |
REDO_BUFFER_SIZE |
REDUNDANT |
REFERENCES (R) |
REGEXP (R) |
RELAY |
RELAYLOG |
RELAY_LOG_FILE |
RELAY_LOG_POS |
RELAY_THREAD |
RELEASE (R) |
RELOAD |
REMOVE |
RENAME (R) |
REORGANIZE |
REPAIR |
REPEAT (R) |
REPEATABLE |
REPLACE (R) |
REPLICATE_DO_DB[u] |
REPLICATE_DO_TABLE[v] |
REPLICATE_IGNORE_DB[w] |
REPLICATE_IGNORE_TABLE[x] |
REPLICATE_REWRITE_DB[y] |
REPLICATE_WILD_DO_TABLE[z] |
REPLICATE_WILD_IGNORE_TABLE[aa] |
REPLICATION |
REQUIRE (R) |
RESET |
RESIGNAL (R) |
RESTORE |
RESTRICT (R) |
RESUME |
RETURN (R) |
RETURNED_SQLSTATE |
RETURNS |
REVERSE |
REVOKE (R) |
RIGHT (R) |
RLIKE (R) |
ROLLBACK |
ROLLUP |
ROTATE[ab] |
ROUTINE |
ROW |
ROWS |
ROW_COUNT |
ROW_FORMAT |
RTREE |
SAVEPOINT |
SCHEDULE |
SCHEMA (R) |
SCHEMAS (R) |
SCHEMA_NAME |
SECOND |
SECOND_MICROSECOND (R) |
SECURITY |
SELECT (R) |
SENSITIVE (R) |
SEPARATOR (R) |
SERIAL |
SERIALIZABLE |
SERVER |
SESSION |
SET (R) |
SHARE |
SHOW (R) |
SHUTDOWN |
SIGNAL (R) |
SIGNED |
SIMPLE |
SLAVE |
SLOW |
SMALLINT (R) |
SNAPSHOT |
SOCKET |
SOME |
SONAME |
SOUNDS |
SOURCE |
SPATIAL (R) |
SPECIFIC (R) |
SQL (R) |
SQLEXCEPTION (R) |
SQLSTATE (R) |
SQLWARNING (R) |
SQL_AFTER_GTIDS |
SQL_AFTER_MTS_GAPS |
SQL_BEFORE_GTIDS |
SQL_BIG_RESULT (R) |
SQL_BUFFER_RESULT |
SQL_CACHE |
SQL_CALC_FOUND_ROWS (R) |
SQL_NO_CACHE |
SQL_SMALL_RESULT (R) |
SQL_THREAD |
SQL_TSI_DAY |
SQL_TSI_HOUR |
SQL_TSI_MINUTE |
SQL_TSI_MONTH |
SQL_TSI_QUARTER |
SQL_TSI_SECOND |
SQL_TSI_WEEK |
SQL_TSI_YEAR |
SSL (R) |
STACKED |
START |
STARTING (R) |
STARTS |
STATS_AUTO_RECALC |
STATS_PERSISTENT |
STATS_SAMPLE_PAGES |
STATUS |
STOP |
STORAGE |
STORED[ac] (R) |
STRAIGHT_JOIN (R) |
STRING |
SUBCLASS_ORIGIN |
SUBJECT |
SUBPARTITION |
SUBPARTITIONS |
SUPER |
SUSPEND |
SWAPS |
SWITCHES |
TABLE (R) |
TABLES |
TABLESPACE |
TABLE_CHECKSUM |
TABLE_NAME |
TEMPORARY |
TEMPTABLE |
TERMINATED (R) |
TEXT |
THAN |
THEN (R) |
TIME |
TIMESTAMP |
TIMESTAMPADD |
TIMESTAMPDIFF |
TINYBLOB (R) |
TINYINT (R) |
TINYTEXT (R) |
TO (R) |
TRAILING (R) |
TRANSACTION |
TRIGGER (R) |
TRIGGERS |
TRUE (R) |
TRUNCATE |
TYPE |
TYPES |
UNCOMMITTED |
UNDEFINED |
UNDO (R) |
UNDOFILE |
UNDO_BUFFER_SIZE |
UNICODE |
UNINSTALL |
UNION (R) |
UNIQUE (R) |
UNKNOWN |
UNLOCK (R) |
UNSIGNED (R) |
UNTIL |
UPDATE (R) |
UPGRADE |
USAGE (R) |
USE (R) |
USER |
USER_RESOURCES |
USE_FRM |
USING (R) |
UTC_DATE (R) |
UTC_TIME (R) |
UTC_TIMESTAMP (R) |
VALIDATION[ad] |
VALUE |
VALUES (R) |
VARBINARY (R) |
VARCHAR (R) |
VARCHARACTER (R) |
VARIABLES |
VARYING (R) |
VIEW |
VIRTUAL[ae] (R) |
WAIT |
WARNINGS |
WEEK |
WEIGHT_STRING |
WHEN (R) |
WHERE (R) |
WHILE (R) |
WITH (R) |
WITHOUT[af] |
WORK |
WRAPPER |
WRITE (R) |
X509 |
XA |
XID[ag] |
XML |
XOR (R) |
YEAR |
YEAR_MONTH (R) |
ZEROFILL (R) |
