${if(len(DESIGN_SPECIFICATIONS) == 0,"","and ms.DESIGN_SPECIFICATIONS like'%"+REPLACE(REPLACE(REPLACE(REPLACE(DESIGN_SPECIFICATIONS,'\\','\\\\\\\\\\\\\\\\'),"\"","\\\\\""),"%","\\\\%"),"'","aaabb")+"%'")}replace里面为啥单引号匹配不到我sql预览里面只输入一个单引号,结果并没有替换成aabb是"\在一块的原因吗