![](/img/trans.png)
[英]Inject Date or LocalDate into SQL query via jdbcTemplate.query?
[英]Issue with SQL query not running via JdbcTemplate
我在使用Oracle Pivot語法的SQL查詢中遇到一個奇怪的問題。 我可以在SqlDeveloper中運行查詢,沒有任何問題; 但是,通過帶有RowMapper的JdbcTemplate運行它會給出有關無效列名的奇怪錯誤。
org.springframework.jdbc.BadSqlGrammarException: StatementCallback; bad SQL grammar ... nested exception is java.sql.SQLException: Invalid column name
SQL語句:
select * from (
Select stat.SWRHXML_HXPS_CODE
FROM Swbhxml xml
LEFT JOIN Swrhxml stat ON stat.swrhxml_trans_id = xml.SWBHXML_TRANS_ID
WHERE stat.SWRHXML_ACTIVITY_DATE = (
SELECT MAX(st.SWRHXML_ACTIVITY_DATE)
FROM swrhxml st
WHERE stat.SWRHXML_TRANS_ID = st.SWRHXML_TRANS_ID)
) pivot (count(SWRHXML_HXPS_CODE)
for SWRHXML_HXPS_CODE in
('NEW','EXPORT_READY','PENDING_MATCH','MATCHED_ID','PROCESSED','REJECTED'));
行映射器:
public class TranscriptStatusCountRowMapper implements RowMapper {
@Override
public Object mapRow(ResultSet rs, int rowNum) throws SQLException {
TranscriptStatusCounts tsc = new TranscriptStatusCounts();
tsc.setNewCount(rs.getLong("NEW_RECORDS"));
tsc.setExportReadyCount(rs.getLong("EXPORT_READY"));
tsc.setPendingMatchCount(rs.getLong("PENDING_MATCH"));
tsc.setMatchedIdCount(rs.getLong("MATCHED_ID"));
tsc.setProcessedCount(rs.getLong("PROCESSED"));
tsc.setRejectedCount(rs.getLong("REJECTED"));
return tsc;
}
}
DAO呼叫類別:
@Repository("transcriptCountDao")
public class TranscriptCountDaoImpl extends BaseDaoImpl implements TranscriptCountDao {
private static final Logger logger = Logger.getLogger(TranscriptCountDaoImpl.class);
@Override
public TranscriptStatusCounts findTranscriptStatusCount() {
logger.debug("Getting counts of Transcripts status in system");
String sql = "...sql posted above..."
TranscriptStatusCounts tsc =
(TranscriptStatusCounts) getJdbcTemplate().queryForObject(sql, new TranscriptStatusCountRowMapper());
return tsc;
}
}
好...我想通了...
數據透視表的列並不能很好地映射到我的行映射器。 因此,我將行映射器更改為以下解決問題的方法:
TranscriptStatusCounts tsc = new TranscriptStatusCounts();
//'NEW','EXPORT_READY','PENDING_MATCH','MATCHED_ID','PROCESSED','REJECTED'
tsc.setNewCount(rs.getLong(1));
tsc.setExportReadyCount(rs.getLong(2));
tsc.setPendingMatchCount(rs.getLong(3));
tsc.setMatchedIdCount(rs.getLong(4));
tsc.setProcessedCount(rs.getLong(5));
tsc.setRejectedCount(rs.getLong(6));
return tsc;
我忘記了sql“ Invalid Column Name”錯誤也可以引用resultSet中用於訪問該列的名稱。 因為PIVOT查詢對它們進行排序,所以我可以僅使用列號來獲取結果。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.