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Add support for Hash/merge algorithms for outer joins [CORE4823] #5120

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firebird-issue-importer opened this issue Jun 1, 2015 · 6 comments
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@firebird-issue-importer firebird-issue-importer commented Jun 1, 2015

Submitted by: @livius2

Relate to CORE5782
Is duplicated by CORE5782

Votes: 5

example

SELECT
*
FROM
RDB$RELATION_FIELDS RF
left join RDB$RELATIONS R on R.RDB$SYSTEM_FLAG = RF.RDB$FIELD_POSITION
WHERE
RF.RDB$RELATION_NAME BETWEEN 'RDB$RELATIONS' AND 'RDB$RELATIONS2'

PLAN JOIN (RF INDEX (RDB$INDEX_4), R NATURAL)

will be good to see here HASH like is done for inner joins
PLAN HASH (R NATURAL, RF INDEX (RDB$INDEX_4))

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@firebird-issue-importer firebird-issue-importer commented Jun 1, 2015

Modified by: @livius2

Component: Engine [ 10000 ]

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@firebird-issue-importer firebird-issue-importer commented Jun 1, 2015

Modified by: @dyemanov

assignee: Dmitry Yemanov [ dimitr ]

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@firebird-issue-importer firebird-issue-importer commented Mar 9, 2016

Modified by: @dyemanov

Fix Version: 4.0 Beta 1 [ 10750 ]

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@firebird-issue-importer firebird-issue-importer commented Mar 21, 2018

Modified by: @dyemanov

Link: This issue relate to CORE5782 [ CORE5782 ]

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@firebird-issue-importer firebird-issue-importer commented Mar 22, 2018

Modified by: Sean Leyne (seanleyne)

Link: This issue is duplicated by CORE5782 [ CORE5782 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 22, 2019

Modified by: @dyemanov

Fix Version: 4.0 Beta 1 [ 10750 ] =>

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