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聽聽聽聽聽聽聽 鎴戠殑涓涓」鐩嬌鐢ㄤ簡(jiǎn)Hibernate3鎿嶄綔Oracle9i鏁版嵁搴?閬囧埌涓涓緢濂囨殑闂,鍗沖湪鎸夋煇浜涗嬌鐢ㄤ簡(jiǎn)鑱氬悎鍑芥暟鐨勫肩殑鍗囧簭鎺掑簭鍚?緲婚〉鍒頒竴瀹氶〉鏁?閫氬父鏄?鎴?)浠ュ悗,鏄劇ず鐨勫唴瀹逛笉浼?xì)鍙樺?鍗沖嚭鐜頒笉鏄湡鏈涚殑鏌ヨ緇撴灉.
聽聽聽聽聽聽聽 鍒氬紑濮嬩粩緇嗘帓鏌?鎵句笉鍑哄師鍥?鍚庢潵閫氳繃鏌ibernate 鍖呬腑鐨凮racle9Dialect鍙?qiáng)OracleDialect鐨勬簮鐮?灝咲ialect鎹㈡垚 OracleDialect鍚庨棶棰樿В鍐?
聽聽聽聽聽聽 浣嗘槸,闂铏借В鍐充簡(jiǎn),鏍規(guī)簮浣曞湪鍛?涓轟粈涔圤racle9鍗磋鐢ㄥ埌OracleDialect(婧愮爜娉ㄨВ涓榪欐槸鍏煎Oracle8i)鐨勬墠鑳借В鍐抽棶棰樺憿?!
聽聽聽聽 聽鏌ョ湅婧愮爜,鍙戠幇涓よ呭彇寰楀垎欏墊煡璇㈠瓧絎︿覆鐨勬柟寮忔槸鏈夌偣鍖哄埆鐨?鍦?getlimitString()鏂規(guī)硶涓?.

聽聽 聽鍦∣racle9Dialect涓?

聽聽 public 聽String聽getLimitString(String聽sql,聽 boolean 聽hasOffset)聽 {
聽聽
聽聽sql聽
= 聽sql.trim();
聽聽
boolean 聽isForUpdate聽 = false ;
聽聽
if 聽(聽sql.toLowerCase().endsWith( " 聽for聽update " )聽)聽 {
聽聽聽sql聽
= 聽sql.substring(聽 0 ,聽sql.length() - 11 聽);
聽聽聽isForUpdate聽
= true ;
聽聽}

聽聽
聽聽StringBuffer聽pagingSelect聽
= new 聽StringBuffer(聽sql.length() + 100 聽);
聽聽
if 聽(hasOffset)聽 {
聽聽聽pagingSelect.append(
" select聽*聽from聽(聽select聽row_.*,聽rownum聽rownum_聽from聽(聽 " );
聽聽}

聽聽
else {
聽聽聽pagingSelect.append(
" select聽*聽from聽(聽 " );
聽聽}

聽聽pagingSelect.append(sql);
聽聽
if 聽(hasOffset)聽 {
聽聽聽pagingSelect.append(
" 聽)聽row_聽where聽rownum聽<=聽?)聽where聽rownum_聽>聽? " );
聽聽}

聽聽
else {
聽聽聽pagingSelect.append(
" 聽)聽where聽rownum聽<=聽? " );
聽聽}


聽聽
if 聽(isForUpdate)聽pagingSelect.append( " 聽for聽update " );
聽聽
聽聽
return 聽pagingSelect.toString();
聽}



聽聽聽聽聽聽聽 鍦∣racleDialect涓?

public 聽String聽getLimitString(String聽sql,聽 boolean 聽hasOffset)聽 {

聽聽sql聽
= 聽sql.trim();
聽聽
boolean 聽isForUpdate聽 = false ;
聽聽
if 聽(聽sql.toLowerCase().endsWith( " 聽for聽update " )聽)聽 {
聽聽聽sql聽
= 聽sql.substring(聽 0 ,聽sql.length() - 11 聽);
聽聽聽isForUpdate聽
= true ;
聽聽}

聽聽
聽聽StringBuffer聽pagingSelect聽
= new 聽StringBuffer(聽sql.length() + 100 聽);
聽聽
if 聽(hasOffset)聽 {
聽聽聽pagingSelect.append(
" select聽*聽from聽(聽select聽row_.*,聽rownum聽rownum_聽from聽(聽 " );
聽聽}

聽聽
else {
聽聽聽pagingSelect.append(
" select聽*聽from聽(聽 " );
聽聽}

聽聽pagingSelect.append(sql);
聽聽
if 聽(hasOffset)聽 {
聽聽聽pagingSelect.append(
" 聽)聽row_聽)聽where聽rownum_聽<=聽?聽and聽rownum_聽>聽? " );
聽聽}

聽聽
else {
聽聽聽pagingSelect.append(
" 聽)聽where聽rownum聽<=聽? " );
聽聽}


聽聽
if 聽(isForUpdate)聽pagingSelect.append( " 聽for聽update " );
聽聽
聽聽
return 聽pagingSelect.toString();
聽}



聽聽聽聽聽聽聽 涓よ呯殑鍖哄埆涓昏鍦ㄤ簬,鍓嶈?
row_ where rownum <= ?) where rownum_ > ?
鍚庤?
where rownum_ <= ? and rownum_ > ?

鎴戞ā鎷熶簡(jiǎn)鎴戠殑鍑洪棶棰樼殑鏌ヨ,浣跨敤鍓嶈呴棶棰橀噸鐜?浣跨敤鍚庤呬笉鍑洪棶棰?
鍙﹀鏄?鍙湪鍗囧簭鎺掑簭鏃舵墠鍑洪棶棰?闄嶅簭鍒欎笉浼?

鎴戠殑璇彞鍒嗗埆濡備笅:
*************************************************************************
絎竴縐?

select * from 聽(

select 聽rownum聽row_num聽,t. * 聽聽 from (
select Sum (b.disp_Count)聽,聽 Sum (b.click_Count)聽,聽
聽聽聽
Sum (b.total_Price)聽,聽 Sum (b.return_Cost)聽,聽
聽聽聽
avg (b.rank)聽聽,聽b.sta_Date聽聽聽,聽b.keyword_Name聽聽,聽
聽聽聽b.union_Name聽聽
聽聽聽
from 聽Bid_Report聽b聽聽
聽聽聽聽聽聽聽聽
where 聽聽(b.sta_Date聽 = ' 20051129 ' )聽聽
聽聽聽聽聽聽聽聽聽聽
group by 聽聽b.sta_Date,聽聽b.keyword_Name,聽聽b.union_Name聽
聽聽聽聽聽聽聽聽聽聽
order by 聽聽 Sum (b.click_Count),聽b.sta_Date聽
聽聽聽聽聽聽聽聽)聽t聽聽
where 聽rownum <= 60
聽聽)聽
where 聽row_num聽 > 40


(鍦℉ibernate3涓?Oracle9Dialect鐨刧etLimitString()鏂規(guī)硶閲囧彇綾諱技瀹炵幇鏂瑰紡)

絎簩縐?

select * from 聽(

select 聽rownum聽row_num聽,t. * 聽聽 from (
select Sum (b.disp_Count)聽,聽 Sum (b.click_Count)聽,聽
聽聽聽
Sum (b.total_Price)聽,聽 Sum (b.return_Cost)聽,聽
聽聽聽
avg (b.rank)聽聽,聽b.sta_Date聽聽聽,聽b.keyword_Name聽聽,聽
聽聽聽b.union_Name聽聽
聽聽聽
from 聽Bid_Report聽b聽聽
聽聽聽聽聽聽聽聽
where 聽聽(b.sta_Date聽 = ' 20051129 ' )聽聽
聽聽聽聽聽聽聽聽聽聽
group by 聽聽b.sta_Date,聽聽b.keyword_Name,聽聽b.union_Name聽
聽聽聽聽聽聽聽聽聽聽
order by 聽聽 Sum (b.click_Count),聽b.sta_Date聽聽
聽聽聽聽聽聽聽聽)聽t聽聽
聽聽)聽
where 聽row_num聽 <= 60 and 聽row_num > 40

(鍦℉ibernate3涓?OracleDialect鐨刧etLimitString()鏂規(guī)硶閲囧彇綾諱技瀹炵幇鏂瑰紡)

**********************************************************************

鐜板湪,闂鏄?涓轟粈涔堥噰鍙栧悗鑰呭氨鍙互瑙e喅闂浜?jiǎn)鍛?榪欐槸涓嶆槸Oracle9Dialect鐨勪竴涓猙ug鍛?!
鍝綅楂樻墜鑳界粰鎴戣鏋?鎰熸縺涓嶅敖!!!!



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