Nick Dimiduk created PHOENIX-3305:
-------------------------------------
Summary: 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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