错误
hive建表报错
FAILED: ParseException line 3:22 mismatched input ‘’ expecting StringLiteral near ‘by’ in table row format’s field separator
详细错误
建表语句
hive> create external table if not exists epidemicStatisticsData(dateRange string, numberOfAsymptomaticPeople int, cumulativeNumberOfConfirmedCases int, cumulativeNumberOfPeopleCured int, cumulativeNumberOfDeaths int)
> row format delimited
> fields terminated by ';'
> stored as textfile
> location '/usr/data/epidemicStatisticsData.txt';
终端报错
MismatchedTokenException(-1!=332)
at org.antlr.runtime.BaseRecognizer.recoverFromMismatchedToken(BaseRecognizer.java:617)
at org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:115)
at org.apache.hadoop.hive.ql.parse.HiveParser.tableRowFormatFieldIdentifier(HiveParser.java:36442)
at org.apache.hadoop.hive.ql.parse.HiveParser.rowFormatDelimited(HiveParser.java:35352)
at org.apache.hadoop.hive.ql.parse.HiveParser.tableRowFormat(HiveParser.java:35636)
at org.apache.hadoop.hive.ql.parse.HiveParser.createTableStatement(HiveParser.java:5398)
at org.apache.hadoop.hive.ql.parse.HiveParser.ddlStatement(HiveParser.java:2763)
at org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:1756)
at org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:1178)
at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:204)
at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:166)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:404)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:329)
at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1158)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1253)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1084)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1072)
at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:232)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:183)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:399)
at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:776)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:714)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:641)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:226)
at org.apache.hadoop.util.RunJar.main(RunJar.java:141)
FAILED: ParseException line 3:22 mismatched input '<EOF>' expecting StringLiteral near 'by' in table row format's field separator
解决方案
更改建表语句中
fields terminated by ';'
为
fields terminated by '\073'
错误原因
由于笔者的hdfs文件中不同字段是通过分号分隔， 因此
fields terminated by ';'
但对于特殊字符，为避免产生歧义，hive 语法规定需通过asc码值对特殊字符进行转义
';'对应asc码值为'\073'
即改为
fields terminated by '\073'
对于其他字符对应的asc码值
ASCII码值表
原创不易
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