Doris报错errCode = 2, detailMessage = Syntax error in line SELECT SLEEP(0) INTO @ MySqlConnector Sleep

通过第三方ORM读取Doris数据报错:An exception occurred while executing DbCommand. For details please see the inner exception. errCode = 2, detailMessage = Syntax error in line 1: SELECT SLEEP(0) INTO @ MySqlConnector Sleep;

SELECT SLEEP(0) INTO @ MySqlConnector这种写法Doris不支持,虽说Doris语法跟Mysql很像,但也无法完全一样。

其底层用的MySqlConnector进行数据库连接和查询,这条语句可能是探测数据库连接用的。报错原因是查询超时,虽然这个异常完全看不出。设置CommandTimeout=300后问题解决。

记录下来,希望能给使用非Mysql数据库,但是用的Mysql类库连接,同时又产生上面问题的同学一个方向和启发。

DROP TABLE IF EXISTS `aa_ccd`; CREATE TABLE `aa_ccd` ( `ID` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `CCDCODE` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `ICNNAME` varchar(107) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `ISDISEASE` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `ENNAME` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `PARENTID` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `YEAR` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `NOTE` varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `LEFTSPACE` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `LIMITED` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `LEVEL1` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `LEVEL2` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `LEVEL3` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `LEVEL4` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, PRIMARY KEY (`ID`) USING BTREE, INDEX `index1`(`CCDCODE`) USING BTREE, INDEX `index2`(`ICNNAME`) USING BTREE, INDEX `index_yes`(`YEAR`) USING BTREE ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic; 这个建表sqldoris数据库执行时报错,[SQL] Query doris_2 start [ERR] 1105 - errCode = 2, detailMessage = Syntax error in line 25: `id` varchar(50) CHARACTER SET utf8mb4 COLLAT... ^ Encountered: CHARACTER Expected: COMMA [ERR] 这是为什么
06-07
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