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https://issues.apache.org/jira/browse/PHOENIX-3305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15510565#comment-15510565
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Nick Dimiduk commented on PHOENIX-3305:
---------------------------------------
Yep, precisely what I have in the description. Thanks James!
> Parser doesn't accept UNION ALL with LIMIT
> ------------------------------------------
>
> Key: PHOENIX-3305
> URL: https://issues.apache.org/jira/browse/PHOENIX-3305
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.7.0
> Reporter: Nick Dimiduk
>
> {{UNION ALL}} and {{LIMIT}} appear to not work in tandem.
> {noformat}
> > create table test1(a integer, b varchar, constraint pk primary key (a));
> > create table test2(a integer, b varchar, constraint pk primary key (a));
> > upsert into test1 values(1, 'one');
> > upsert into test1 values(2, 'two');
> > upsert into test2 values(3, 'three');
> > upsert into test2 values(4, 'four');
> > select a, b from test1 limit 1 union all select a, b from test2 limit 1;
> Error: ERROR 602 (42P00): Syntax error. Missing "EOF" at line 1, column 32.
> (state=42P00,code=602)
> org.apache.phoenix.exception.PhoenixParserException: ERROR 602 (42P00):
> Syntax error. Missing "EOF" at line 1, column 32.
> at
> org.apache.phoenix.exception.PhoenixParserException.newException(PhoenixParserException.java:33)
> at
> org.apache.phoenix.parse.SQLParser.parseStatement(SQLParser.java:111)
> at
> org.apache.phoenix.jdbc.PhoenixStatement$PhoenixStatementParser.parseStatement(PhoenixStatement.java:1185)
> at
> org.apache.phoenix.jdbc.PhoenixStatement.parseStatement(PhoenixStatement.java:1268)
> at
> org.apache.phoenix.jdbc.PhoenixStatement.execute(PhoenixStatement.java:1339)
> at sqlline.Commands.execute(Commands.java:822)
> at sqlline.Commands.sql(Commands.java:732)
> at sqlline.SqlLine.dispatch(SqlLine.java:808)
> at sqlline.SqlLine.begin(SqlLine.java:681)
> at sqlline.SqlLine.start(SqlLine.java:398)
> at sqlline.SqlLine.main(SqlLine.java:292)
> Caused by: MissingTokenException(inserted [@-1,0:0='<missing EOF>',<-1>,1:31]
> at union)
> at
> org.apache.phoenix.parse.PhoenixSQLParser.recoverFromMismatchedToken(PhoenixSQLParser.java:350)
> at org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:115)
> at
> org.apache.phoenix.parse.PhoenixSQLParser.statement(PhoenixSQLParser.java:510)
> at
> org.apache.phoenix.parse.SQLParser.parseStatement(SQLParser.java:108)
> ... 9 more
> {noformat}
> A workaround using subselect is required
> {noformat}
> > select a, b from (select a, b from test1 limit 1) union all select a, b
> > from (select a, b from test2 limit 1);
> +----+--------+
> | A | B |
> +----+--------+
> | 1 | one |
> | 3 | three |
> +----+--------+
> {noformat}
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