renjianting created HIVE-26175:
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Summary: single quote in a comment causes parsing errors
Key: HIVE-26175
URL: https://issues.apache.org/jira/browse/HIVE-26175
Project: Hive
Issue Type: Improvement
Components: CLI, Parser
Affects Versions: 3.1.3
Reporter: renjianting
Assignee: renjianting
Fix For: 4.0.0
A single quote in a comment causes parsing errors： such as
{code:java}
select 1 -- I'm xxx
from tbl; {code}
Running a task like this will result in the following error：
{code:java}
NoViableAltException(377@[201:64: ( ( KW_AS )? alias= identifier )?])
at
org.antlr.runtime.DFA.noViableAlt(DFA.java:158)
at
org.antlr.runtime.DFA.predict(DFA.java:116)
at
org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.tableSource(HiveParser_FromClauseParser.java:4220)
at
org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.atomjoinSource(HiveParser_FromClauseParser.java:1602)
at
org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.joinSource(HiveParser_FromClauseParser.java:1903)
at
org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.fromSource(HiveParser_FromClauseParser.java:1527)
at
org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.fromClause(HiveParser_FromClauseParser.java:1370)
at
org.apache.hadoop.hive.ql.parse.HiveParser.fromClause(HiveParser.java:45020)
at
org.apache.hadoop.hive.ql.parse.HiveParser.atomSelectStatement(HiveParser.java:39792)
at
org.apache.hadoop.hive.ql.parse.HiveParser.selectStatement(HiveParser.java:40044)
at
org.apache.hadoop.hive.ql.parse.HiveParser.regularBody(HiveParser.java:39690)
at
org.apache.hadoop.hive.ql.parse.HiveParser.queryStatementExpressionBody(HiveParser.java:38900)
at
org.apache.hadoop.hive.ql.parse.HiveParser.queryStatementExpression(HiveParser.java:38788)
at
org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:2396)
at
org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:1420)
at
org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:220)
at
org.apache.hadoop.hive.ql.parse.ParseUtils.parse(ParseUtils.java:74)
at
org.apache.hadoop.hive.ql.parse.ParseUtils.parse(ParseUtils.java:67)
at
org.apache.hadoop.hive.ql.Driver.compile(Driver.java:616)
at
org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1826)
at
org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1773)
at
org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1768)
at
org.apache.hadoop.hive.ql.reexec.ReExecDriver.compileAndRespond(ReExecDriver.java:126)
at
org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:214)
at
org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:239)
at
org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:188)
at
org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:402)
at
org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:335)
at
org.apache.hadoop.hive.cli.CliDriver.processReader(CliDriver.java:471)
at
org.apache.hadoop.hive.cli.CliDriver.processFile(CliDriver.java:487)
at
org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:793)
at
org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:759)
at
org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:683)
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:323)
at
org.apache.hadoop.util.RunJar.main(RunJar.java:236)
FAILED: ParseException line
2:21 cannot recognize input near ';' '' '' in table source {code}
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