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ORA-32044: cycle detected while executing recursive WITH query

vpolasaNov 11 2017 — edited Nov 11 2017

Hi,

  I'm currently facing ORA-32044.

  I tried to use below query to find the offending records, but the table in production DB has around 10 million records. Is there any other approach to find the offending records causing this error?

CREATE TABLE mi_enty_rels_bkp (ENRL_KEY NUMBER, PRED_ENTY_KEY NUMBER, SUCC_ENTY_KEY NUMBER);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (1, 10, 11);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (2, 11, 12);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (3, 12, 10);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (4, 13, 14);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (5, 14, 15);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (6, 11, 12);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (7, 12, 13);

INSERT INTO MI_ENTY_RELS_BKP (ENRL_KEY, PRED_ENTY_KEY, SUCC_ENTY_KEY) VALUES (8, 13, 11);

WITH EntyCTE (enrl_key, pred_enty_key,succ_enty_key,level1,match_count) 

AS 

SELECT enrl_key, pred_enty_key,succ_enty_key, 0, 0 match_count 

FROM mi_enty_rels_bkp enty 

WHERE succ_enty_key != pred_enty_key 

and succ_enty_key = 11 

UNION ALL 

SELECT enty.enrl_key, enty.pred_enty_key,enty.succ_enty_key, m.level1 + 1,1 match_count 

FROM mi_enty_rels_bkp enty 

INNER JOIN EntyCTE  m 

ON enty.succ_enty_key = m.pred_enty_key 

where m.match_count=0 

SELECT * FROM EntyCTE;

Working on Windows 7

Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production

Thanks

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Locked on Dec 9 2017
Added on Nov 11 2017
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