SELECT ... CASE statement throwing syntax error at the Spider node.
Here are the details of the same:
One of the customer hit this problem, any workaround/quick fix is expected for this.
Data Node:
| spider_example | CREATE TABLE `spider_example` (
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`id` int(11) NOT NULL AUTO_INCREMENT,
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`name` varchar(50) DEFAULT NULL,
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 |
|
|
MariaDB [test]> select * from spider_example;
|
+----+------+
|
| id | name |
|
+----+------+
|
| 1 | beam |
|
| 2 | beam |
|
+----+------+
|
2 rows in set (0.003 sec)
|
MariaDB [test]> select id,
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-> CASE
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-> when name='ram' then "wrong.."
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-> when name='beam' then "correct.."
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-> END
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-> from spider_example;
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+----+---------------------------------------------------------------------------+
|
| id | CASE
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when name='ram' then "wrong.."
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when name='beam' then "correct.."
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END |
|
+----+---------------------------------------------------------------------------+
|
| 1 | correct.. |
|
| 2 | correct.. |
|
+----+---------------------------------------------------------------------------+
|
2 rows in set (0.000 sec)
|
MariaDB [test]> select @@version;
|
+----------------+
|
| @@version |
|
+----------------+
|
| 10.5.8-MariaDB |
|
+----------------+
|
1 row in set (0.000 sec)
|
Spider Nodes:
| spider_example | CREATE TABLE `spider_example` (
|
`id` int(11) NOT NULL AUTO_INCREMENT,
|
`name` varchar(50) DEFAULT NULL,
|
PRIMARY KEY (`id`)
|
) ENGINE=SPIDER DEFAULT CHARSET=latin1 COMMENT='wrapper "mysql", srv "dataNode1", table "spider_example"' |
|
MariaDB [test]> select id,
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-> CASE
|
-> when name='ram' then "wrong.."
|
-> when name='beam' then "correct.."
|
-> END
|
-> from spider_example;
|
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'case (t0.`name` = 'beam') _utf8'wrong..' _utf8'correct..') `CASE
|
when name=...' at line 1
|
MariaDB [test]>
|
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