hive字段关键字问题处理

最近在xxl_job部署shell调度任务时,发现在编写Hql时，对一些使用关键字命名的字段无法解析，按开发规范，字段命名不应该有关键字,但是数据来源是第三方,无法修改,需要通过flume对从kafka的数据到hdfs上，数据是json格式,所以需要对关键字字段进行处理,最初是通过 `,',",'，" 都无法识别，最后对通过转义字符解决了，解决方法如下:

具体报错如下:

bash 复制代码

2023-10-23 11:42:52 [com.xxl.job.core.thread.JobThread#run]-[133]-[xxl-job, JobThread-14-1698032572739] 
----------- xxl-job job execute start -----------
----------- Param:
2023-10-23 11:42:52 [com.xxl.job.core.handler.impl.ScriptJobHandler#execute]-[80]-[xxl-job, JobThread-14-1698032572739] ----------- script file:/data/applogs/xxl-job/jobhandler/gluesource/14_1698032568000.sh -----------
xxl-job: hello shell
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/hdp/3.1.4.0-315/hive/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/hdp/3.1.4.0-315/hadoop/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
Connecting to 
Connected to: Apache Hive (version 3.1.0.3.1.4.0-315)
Driver: Hive JDBC (version 3.1.0.3.1.4.0-315)
Transaction isolation: TRANSACTION_REPEATABLE_READ
Error: Error while compiling statement: FAILED: ParseException line 4:70 cannot recognize input near 'local' ',' 'type' in select expression (state=42000,code=40000)
Good bye!
2023-10-23 11:42:59 [com.xxl.job.core.thread.JobThread#run]-[179]-[xxl-job, JobThread-14-1698032572739] 
----------- xxl-job job execute end(finish) -----------
----------- Result: handleCode=200, handleMsg = null
2023-10-23 11:42:59 [com.xxl.job.core.thread.TriggerCallbackThread#callbackLog]-[197]-[xxl-job, executor TriggerCallbackThread] 
----------- xxl-job job callback finish.
2023-10-23 11:43:35 [com.xxl.job.core.thread.JobThread#run]-[194]-[xxl-job, JobThread-14-1698032572739] 
----------- JobThread toStop, stopReason:change job source or glue type, and terminate the old job thread.
2023-10-23 11:43:35 [com.xxl.job.core.thread.JobThread#run]-[204]-[xxl-job, JobThread-14-1698032572739] 
----------- JobThread Exception:java.lang.InterruptedException
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2014)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2088)
	at java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467)
	at com.xxl.job.core.thread.JobThread.run(JobThread.java:114)

----------- xxl-job job execute end(error) -----------

比如需要对local,type关键字进行转义,转义规则如下:

\`local\`，\`type\`

问题解决。