Tanguy COUERY created OLINGO-1158:
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Summary: JPA Filter generate wrong escape instruction
Key: OLINGO-1158
URL: https://issues.apache.org/jira/browse/OLINGO-1158
Project: Olingo
Issue Type: Bug
Components: odata2-jpa
Affects Versions: V2 2.0.9
Reporter: Tanguy COUERY
Hello,
substringof filter or startswith generate and error on MariaDB / MySql.
For exemple : ~LogUsers?$skip=0&$top=20&$filter=substringof(%27test%27,Mail)~
Generate this SQL query :
~Hibernate: select loguser0_.id as id1_2_, loguser0_.action as action2_2_,
loguser0_.actionDate as actionDa3_2_, loguser0_.mail as mail4_2_, loguser0_.ref
as ref5_2_, loguser0_.status as status6_2_ from LogUser loguser0_ where case
when loguser0_.mail like concat('%', concat('test', '%')) escape '\' then 1
else 0 end=1 order by loguser0_.id limit ?~
This throw an exception in MariaDB / MySql (reproduce also with PostgreSql)
~ERROR: (conn:3) 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
''\' then 1 else 0 end=1 order by loguser0_.id limit 20' at line 1~
In the java code the ESCAPE '\\' should be replaced by ESCAPE '\\\\'
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