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总一 借工程结算负数 贷工程结算对冲问题
oralce使用聚合函数wmsys.wm_concat字段显示 clob ：应该是,10.2.0.4以前，是varchar2，10.2.0.5开始，是CLOB 这是一个bug，当lob字段和order by 同时出现时可能触发 可以打上对应的补丁，或者，只要不超过4000字节，可以加个to_char来转换成字符串试试
select gl_detail.explanation, bd_accsubj.subjcode, bd_accsubj.dispname, gl_detail.debitamount 借方, gl_detail.creditamount 贷方, gl_detail.prepareddatev 制单日期 , gl_voucher.no 凭证号, to_char(wmsys.wm_concat(gl_freevalue.valuecode)) valuecode, to_char(wmsys.wm_concat(gl_freevalue.valuename)) valuename from gl_detail, bd_accsubj, bd_glorgbook,gl_freevalue,gl_voucher where gl_detail.pk_accsubj = bd_accsubj.pk_accsubj and gl_detail.pk_glorgbook = bd_glorgbook.pk_glorgbook and gl_detail.assid=gl_freevalue.freevalueid and gl_detail.pk_voucher=gl_voucher.pk_voucher and gl_detail.dr = ‘0‘ and gl_detail.yearv=‘2014‘ and bd_glorgbook.glorgbookcode = ‘015101-0001‘ and bd_accsubj.subjcode like ‘2123%‘ and gl_detail.creditamount<0 group by gl_detail.explanation, bd_accsubj.subjcode, bd_accsubj.dispname, gl_detail.creditamount, gl_detail.debitamount, gl_detail.prepareddatev,gl_voucher.no order by gl_detail.prepareddatev,gl_voucher.no
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原文地址：http://www.cnblogs.com/sumsen/p/4746907.html
