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Outer joins don't work properly with the MON$ tables [CORE1436] #1854

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firebird-issue-importer opened this issue Aug 31, 2007 · 6 comments
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Submitted by: @dyemanov

Is related to QA183

When the join condition evaluates to false, the inner part of the join contains data instead of NULLs.

Test case:

select db.mon$database_name
from mon$attachments att
left join mon$database db on db.mon$creation_date = att.mon$timestamp

-- should return NULL

Commits: 33fb126

====== Test Details ======

Changed code to make it independent of system tables content.

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@firebird-issue-importer firebird-issue-importer commented Aug 31, 2007

Modified by: @dyemanov

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

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@firebird-issue-importer firebird-issue-importer commented Dec 29, 2007

Modified by: @pcisar

Link: This issue is related to QA183 [ QA183 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 28, 2008

Modified by: @pcisar

Workflow: jira [ 12930 ] => Firebird [ 13916 ]

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@firebird-issue-importer firebird-issue-importer commented Oct 6, 2008

Commented by: @pmakowski

Q/A tested ok

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@firebird-issue-importer firebird-issue-importer commented Oct 6, 2008

Modified by: @pmakowski

status: Resolved [ 5 ] => Closed [ 6 ]

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@firebird-issue-importer firebird-issue-importer commented May 29, 2015

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: Done successfully

Test Details: Changed code to make it independent of system tables content.

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