Oracle veritabanında neredeyse yeni bir kullanıcı olduğum için yardımınızı rica ediyorum.oracle veritabanı: karakterlere göre bir dizeyi bölme
ben
select
MAPS.MAP_ID,
HARD_BIN_LINES.LINE, HARD_BIN_LINES.BINS
from MAPS, HARD_BIN_LINES
where MAPS.MAP_ID = 9595435 and MAPS.MAP_ID = HARD_BIN_LINES.MAP_ID
order by HARD_BIN_LINES.MAP_ID, HARD_BIN_LINES.LINE
MAP_ID LINE BINS
9595435 1 ÿÿÿÿÿÿÿÿÿÿÿþþþþÿÿÿÿÿÿÿÿÿÿÿ
9595435 2 ÿÿÿÿÿÿÿþþ þþÿÿÿÿÿÿÿÿ
9595435 3 ÿÿÿÿÿþþ2 þÿÿÿÿÿÿ
9595435 4 ÿÿÿÿþ þþÿÿÿÿ
9595435 5 ÿÿÿþ2 þÿÿÿ
9595435 6 ÿÿþ þÿÿ
9595435 7 ÿÿþ2 þÿÿ
9595435 8 ÿþþÿ þþÿ
9595435 9 ÿ2 þÿ
9595435 10 þÿ þÿ
9595435 11 þ þ
9595435 12 ü þ
9595435 13 ü2 þ
9595435 14 þ þ
9595435 15 þ ÿ
9595435 16 ÿþ xx þÿ
9595435 17 ÿþ þÿ
9595435 18 ÿÿþ þÿÿ
9595435 19 ÿÿþ þÿÿ
9595435 20 ÿÿÿþ þÿÿÿ
9595435 21 ÿÿÿÿþ þþÿÿÿÿ
9595435 22 ÿÿÿÿÿþ þ 2 þÿÿÿÿÿÿ
9595435 23 ÿÿÿÿÿÿÿþ þ þþ ÿÿÿÿÿÿÿÿ
9595435 24 ÿÿÿÿÿÿÿÿÿÿÿþþþþÿÿÿÿÿÿÿÿÿÿÿ
Amacım etmektir birkaç karaktere ayrılmıştır gereken VARCHAR alanıyla içeren bir sorgu var:
farklı kayıtlar her caracter için bir içine bir dize bölmek gerekir Ben oynarken sorunu çözmek çalışırsanız bu
MAP_ID LINE LEVEL CHR BINCODE
-------+-------+-------+---+--------
9595435 1 2 ÿ 255
9595435 1 3 ÿ 255
9595435 1 4 ÿ 255
9595435 1 5 ÿ 255
9595435 1 6 ÿ 255
9595435 1 7 ÿ 255
9595435 1 8 ÿ 255
9595435 1 9 ÿ 255
9595435 1 10 ÿ 255
9595435 1 11 ÿ 255
9595435 1 12 þ 254
9595435 1 13 þ 254
9595435 1 14 þ 254
9595435 1 15 þ 254
9595435 1 16 ÿ 255
9595435 1 17 ÿ 255
9595435 1 18 ÿ 255
9595435 1 19 ÿ 255
9595435 1 20 ÿ 255
9595435 1 21 ÿ 255
9595435 1 22 ÿ 255
9595435 1 23 ÿ 255
9595435 1 24 ÿ 255
9595435 1 25 ÿ 255
9595435 1 26 ÿ 255
-------+-------+-------+---+--------
9595435 2 2 ÿ 255
9595435 2 3 ÿ 255
9595435 2 4 ÿ 255
9595435 2 5 ÿ 255
9595435 2 6 ÿ 255
9595435 2 7 ÿ 255
9595435 2 8 þ 254
9595435 2 9 þ 254
9595435 2 10 1
9595435 2 11 1
9595435 2 12 10
9595435 2 13 1
9595435 2 14 13
9595435 2 15 17
9595435 2 16 1
9595435 2 17 þ 254
9595435 2 18 þ 254
9595435 2 19 ÿ 255
9595435 2 20 ÿ 255
9595435 2 21 ÿ 255
9595435 2 22 ÿ 255
9595435 2 23 ÿ 255
9595435 2 24 ÿ 255
9595435 2 25 ÿ 255
9595435 2 26 ÿ 25
-------+-------+-------+---+--------
(...)
gibi bir kayıt kümesi obtaing birkaç harfi içine bölünmüş BINS rekor birçok duplica elde açıklamada "BY CONNECT" Bu başlangıç dizesinin, her karakter için bir satır inşa edecek
select level, substr('Stefano', level, 1) /* a substring starting from level-th character, 1 character log */
from dual
connect by level <= length('Stefano') /* the same number of rows than the length of the string */
:
with temp as (
select
MAPS.MAP_ID,
HARD_BIN_LINES.LINE, HARD_BIN_LINES.BINS
from MAPS, HARD_BIN_LINES
where MAPS.MAP_ID = 9595435 and MAPS.MAP_ID = HARD_BIN_LINES.MAP_ID
order by HARD_BIN_LINES.MAP_ID, HARD_BIN_LINES.LINE
)
select
MAP_ID, LINE, LEVEL,
substr(BINS,level,1) as CHR, ASCII(substr(BINS,level,1)) as BINCODE
from temp
connect by level <= length(BINS)