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Bug 10202228 wrong result when _allow_level_without_connect_by set to true

2024-04-02 19:04:59 401人浏览 独家记忆
摘要

Bug 10202228  wrong result when _allow_level_without_connect_by set to true  This

Bug 10202228  wrong result when _allow_level_without_connect_by set to true

 This note gives a brief overview of bug 10202228.
 The content was last updated on: 25-OCT-2011
 Click here for details of each of the sections below.

Affects:

Product (Component)

oracle Server (Rdbms)

Range of versions believed to be affected

Versions >= 11.2.0.1 but BELOW 12.1

Versions confirmed as being affected

  • 11.2.0.2
  • 11.2.0.1

PlatfORMs affected

Generic (all / most platforms affected)

Fixed:

This issue is fixed in

  • 12.1 (Future Release)
  • 11.2.0.3

Symptoms:

Related To:

  • Wrong Results
  • Connect By / Hierarchical Queries
  • _allow_level_without_connect_by

Description

If a select query with,

  1. level pseudo column

  2. no connect-by clause

  3. "_allow_level_without_connect_by" = true

  4. plan_table output shows missing filter predicate

  5. Wrong result (more rows than expected)

 

HOOKS parameter:_allow_level_without_connect_by LIKELYAFFECTS XAFFECTS_11.2.0.1 XAFFECTS_V11020001 AFFECTS=11.2.0.1 XAFFECTS_11.2.0.2 XAFFECTS_V11020002 AFFECTS=11.2.0.2 XPRODID_5 PRODUCT_ID=5 PRODID-5 RDBMS XCOMP_RDBMS COMPONENT=RDBMS TAG_CONNECTBY TAG_WRONGRES CONNECTBY WRONGRES FIXED_11.2.0.3 FIXED_12.1.0.0

Please note: The above is a summary description only. Actual symptoms can vary. Matching to any symptoms here does not confirm that you are encountering this problem. For questions about this bug please consult Oracle Support.

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