renjianting created HIVE-26175: ---------------------------------- 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} -- This message was sent by Atlassian Jira (v8.20.7#820007)