我尝试调用存储过程
create or replace PROCEDURE "PROC"(cur OUT SYS_REFCURSOR)
用这个 bean 。
@Bean
StoredProcedureItemReader<?> itemReader() {
StoredProcedureItemReader<?> storedProcedureItemReader = new StoredProcedureItemReader<>();
storedProcedureItemReader.setDataSource(dataSource);
storedProcedureItemReader.setProcedureName("PROC");
storedProcedureItemReader.setRefCursorPosition(1);
storedProcedureItemReader.setRowMapper(new ColumnMapRowMapper());
storedProcedureItemReader.open(new ExecutionContext());
return storedProcedureItemReader;
}
但是我明白了
org.springframework.batch.item.support.AbstractItemCountingItemStreamItemReader.open(AbstractItemCountingItemStreamItemReader.java:134)
... 54 more
Caused by: java.sql.SQLException: Invalid column index
at oracle.jdbc.driver.OracleCallableStatement.registerOutParameterInternal(OracleCallableStatement.java:125)
at oracle.jdbc.driver.OracleCallableStatement.registerOutParameter(OracleCallableStatement.java:304)
at oracle.jdbc.driver.OracleCallableStatement.registerOutParameter(OracleCallableStatement.java:393)
at oracle.jdbc.driver.OracleCallableStatementWrapper.registerOutParameter(OracleCallableStatementWrapper.java:1569)
at org.springframework.batch.item.database.StoredProcedureItemReader.openCursor(StoredProcedureItemReader.java:202)
... 56 more
如何只用一个游标调用 PROC 并迭代结果?
最佳答案
我认为你需要为 out 参数 cur
添加一个参数给 reader。在打开 storedProcedureItemReader
之前尝试添加以下行:
storedProcedureItemReader.setParameters(new SqlParameter[] { new SqlParameter("cur", OracleTypes.CURSOR) });
关于java - 无法使用 StoredProcedureItemReader 读取 REF_CURSOR,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33247415/