ORA-00905：缺少关键字Hibernate查询Oracle

我在表中有n列。我想要有选择标准，就好像第2列中的值为空，然后根据第1列选择行，如果第2列不为空，则根据第2列的值进行选择。我有很长的查询，它在引入之前工作正常CASEWHENTHEN但我得到ORA-00905当我加入的情况下，当时在我的查询。示例查询是::ORA-00905：缺少关键字Hibernate查询Oracle

select * from table where table.testcolumn='some value' and (case when table.column2 is NULL then table.column1 = 'value' else table.column2 = 'value' end)

例外：

Caused by: java.sql.SQLSyntaxErrorException: ORA-00905: missing keyword 

    at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:91) 
    at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:133) 
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:206) 
    at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:455) 
    at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:413) 
    at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:1035) 
    at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:194) 
    at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:791) 
    at oracle.jdbc.driver.T4CPreparedStatement.executeMaybeDescribe(T4CPreparedStatement.java:866) 
    at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1187) 
    at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3386) 
    at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3430) 
    at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1491) 
    at weblogic.jdbc.wrapper.PreparedStatement.executeQuery(PreparedStatement.java:128) 
    at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186) 
    at org.hibernate.loader.Loader.getResultSet(Loader.java:1787) 
    at org.hibernate.loader.Loader.doQuery(Loader.java:674) 
    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236) 
    at org.hibernate.loader.Loader.doList(Loader.java:2213)

来源

2017-05-18 user123475

我想你可以使用其他的语句，而不情况下，当..的用法：

select * from table 
where table.testcolumn='some value' 
and ( 
     (table.column2 is NULL and table.column1 = 'value') 
     or (table.column2 = 'value') 
    )

来源

2017-05-18 16:45:36

它的工作。谢谢Maciej Kowalski – user123475

ORA-00905：缺少关键字Hibernate查询Oracle

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