表结构如下
sql> desc test; Name Type Nullable Default Comments ---- ---- -------- ------- -------- C1 CLOB Y sql> select count(*) from test; COUNT(*) ---------- 1
字段中内容为
SU.SYSTEM_USER_CODE||'|#|'||S.STAFF_NAME||'|#|'||SU.STATUS_CD||'|#|'||SU.CHANNEL_ID||'|#|'||SU.LAN_ID
01|#|政企|#|1000|#|13378|#|1407
02|#|政企|#|1000|#|13383|#|1407
01|#|路|#|1100|#|10093|#|1401
54|#|2354|#|1100|#|111|#|14
55|#|2355|#|1100|#|111|#|14
56|#|2356|#|1100|#|111|#|14
57|#|2357|#|1100|#|111|#|14
58|#|2358|#|1100|#|111|#|14
59|#|2359|#|1100|#|111|#|14
用正则表达式将数据先拆分为行,再将各行拆分为列。
sql> SELECT c1,2 regexp_substr(c1,'[^|#]+',1,1) AS d1,3 regexp_substr(c1,2) AS d2,4 regexp_substr(c1,3) AS d3,5 regexp_substr(c1,4) AS d4,6 regexp_substr(c1,5) AS d5 7 FROM (SELECT to_char(regexp_substr(c1,'[^[:space:]]+',LEVEL + 1)) AS c1 8 FROM test 9 CONNECT BY LEVEL <= regexp_count(c1,chr(10))); C1 D1 D2 D3 D4 D5 ---------------------------------------- ----- ----- ----- ----- ----- 01|#|政企|#|1000|#|13378|#|1407 01 政企 1000 13378 1407 02|#|政企|#|1000|#|13383|#|1407 02 政企 1000 13383 1407 01|#|路|#|1100|#|10093|#|1401 01 路 1100 10093 1401 54|#|2354|#|1100|#|111|#|14 54 2354 1100 111 14 55|#|2355|#|1100|#|111|#|14 55 2355 1100 111 14 56|#|2356|#|1100|#|111|#|14 56 2356 1100 111 14 57|#|2357|#|1100|#|111|#|14 57 2357 1100 111 14 58|#|2358|#|1100|#|111|#|14 58 2358 1100 111 14 59|#|2359|#|1100|#|111|#|14 59 2359 1100 111 14 9 rows selected原文链接:/regex/362347.html