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Allow field values in UPDATE OR INSERT in "Values" clause [CORE3456] #3817

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firebird-automations opened this issue Apr 29, 2011 · 5 comments
Closed

Allow field values in UPDATE OR INSERT in "Values" clause [CORE3456] #3817

firebird-automations opened this issue Apr 29, 2011 · 5 comments
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affect-version: 2.1.4 component: engine priority: minor resolution: wontfix type: new feature

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@firebird-automations
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Submitted by: @livius2

normally update statement allow somethink like this

update table1 set field1 = coalesce(field1, 0) + 1 where id=5

but
UPDATE OR INSERT INTO table1(id, field1) VALUES(5, coalesce(field1, 0) + 1) MATCHING (ID)
is not possible

now only solution is
UPDATE OR INSERT INTO table1(id, field1) VALUES(5, coalesce(
(SELECT field1 FROM table1 where id=5)
, 0) + 1) MATCHING (ID)

and the same select for other fields
@firebird-automations
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Commented by: @asfernandes

IMO this is very confusion, since fields don't have pre-existent values in insert.

This is like wanting fields to be allowed in INSERT.

@firebird-automations
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Commented by: @hvlad

I also againts it as there is no way to run such INSERT statement.
Use MERGE instead.

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Commented by: @livius2

in insert all field values are null..

about merge y
its not natural to one record statements
you must do some trick e.g with select from RDB$DATABASE
and then you have more reads then needed (not optimal)

@firebird-automations
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Modified by: @asfernandes

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

resolution: Won't Fix [ 2 ]

@firebird-automations
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Modified by: @pcisar

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

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affect-version: 2.1.4 component: engine priority: minor resolution: wontfix type: new feature
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