Subject Re: [firebird-support] problem creating trigger FB 1.5
Author Bart Smissaert
> Still, having a field ACTION in a Firebird 1.5 dialect 1
is useless then, because you can't use it. ;-)

Well, it is used continuously as this is an audit trail table.
It has continous inserts when other tables have changes.
I can also do a select *
So, it is not really useless.

RBS


On Tue, Nov 15, 2011 at 10:05 AM, Thomas Steinmaurer <ts@...>wrote:

> **
>
>
> >> Would be interesting how they managed to add ACTION as a field in a
> > dialect 1 database then?
> >
> > The database used to be Interbase (and very old version of Interbase) and
> > was converted
> > a few years ago. Maybe that explains it.
>
> Perhaps, yes. Still, having a field ACTION in a Firebird 1.5 dialect 1
> is useless then, because you can't use it. ;-)
>
> Regards,
> Thomas
>
>
> > RBS
> >
> > On Tue, Nov 15, 2011 at 9:58 AM, Thomas Steinmaurer<ts@...
> >wrote:
> >
> >> **
>
> >>
> >>
> >>> I think action is a reserved keyword as doing a select a simple select
> >> will
> >>> give:
> >>>
> >>> Dynamic SQL Error
> >>> SQL error code = -104
> >>> Token unknown - line 1, char 8
> >>> action
> >>>
> >>> Changing to dialect 3 looks tricky then and best to leave it till this
> is
> >>> done by our
> >>> software supplier.
> >>
> >> Would be interesting how they managed to add ACTION as a field in a
> >> dialect 1 database then? Possibly connecting to the database with a
> >> newer Firebird version, because e.g. in Firebird 2.5, I can add a field
> >> ACTION in a dialect 1 database without problems.
> >>
> >> This all looks a bit fishy. ;-)
> >>
> >>
> >> --
> >> With regards,
> >> Thomas Steinmaurer
> >>
> >> * Upscene Productions - Database Tools for Developers
> >> http://www.upscene.com/
> >>
> >> * My Blog
> >> http://blog.upscene.com/thomas/index.php
> >>
> >> * Firebird Foundation Committee Member
> >> http://www.firebirdsql.org/en/firebird-foundation/
> >>
> >>> RBS
> >>> On Tue, Nov 15, 2011 at 9:14 AM, Thomas Steinmaurer<
> ts@...
> >>> wrote:
> >>>
> >>>> **
> >>
> >>>>
> >>>>
> >>>>> OK, Action was a bad choice of field name, but this was not ourselves
> >> but
> >>>>> the company that
> >>>>> provides this software, iSoft.
> >>>>> Is the only option then to change the database to dialect 3?
> >>>>> Is that possible?
> >>>>
> >>>> Yes in general, it's a property at database level, but in practice,
> it's
> >>>> more complicated, because:
> >>>>
> >>>> - The DATE data type only holds the date portion while in dialect 1 it
> >>>> is date and time
> >>>> - Using double-quotes for string delimiters fails in dialect 3,
> because
> >>>> dialect 3 treats them as object names instead of string literals
> >>>> - Numeric representation changed
> >>>>
> >>>> etc ...
> >>>>
> >>>> Switching to dialect 3 usually means:
> >>>>
> >>>> - Migrating data to dialect 3
> >>>> - Entirely re-test the application
> >>>>
> >>>> I wonder if you can do a simple:
> >>>>
> >>>> select action from audit_trial
> >>>>
> >>>> In a Firebird 1.5 database? That said, I can't remember if ACTION is a
> >>>> reserved keyword in 1.5.
> >>>>
> >>>>
> >>>> --
> >>>> With regards,
> >>>> Thomas Steinmaurer
> >>>>
> >>>> * Upscene Productions - Database Tools for Developers
> >>>> http://www.upscene.com/
> >>>>
> >>>> * My Blog
> >>>> http://blog.upscene.com/thomas/index.php
> >>>>
> >>>> * Firebird Foundation Committee Member
> >>>> http://www.firebirdsql.org/en/firebird-foundation/
> >>>>
> >>>>> RBS
> >>>>>
> >>>>> On Tue, Nov 15, 2011 at 8:49 AM, Bart Smissaert<
> >> bart.smissaert@...
> >>>>> wrote:
> >>>>>
> >>>>>>> Use non-reserved keywords as object names in a dialect 1 database
> >>>>>>
> >>>>>> Is there a way to do that?
> >>>>>>
> >>>>>> RBS
> >>>>>>
> >>>>>> On Tue, Nov 15, 2011 at 8:43 AM, Thomas Steinmaurer<
> >> ts@...
> >>>>>>> wrote:
> >>>>>>
> >>>>>>> **
> >>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>> Running Firebird 1.5, classic, dialect 1 on Windows and trying to
> >>>>>>>> create a trigger like this:
> >>>>>>>>
> >>>>>>>> CREATE TRIGGER EXTENDED_TEXT_DEL FOR EXTENDED_TEXT
> >>>>>>>> ACTIVE BEFORE DELETE
> >>>>>>>> POSITION 10
> >>>>>>>> AS
> >>>>>>>> begin
> >>>>>>>> insert into audit_trail
> >>>>>>>> (Table_Id,"Action",Primary_Key,data)
> >>>>>>>> values (45, 1,
> >>>>>>>> old.Extended_Text_Type||"|"||
> >>>>>>>> old.Foreign_Id||"|"||
> >>>>>>>> old.Extended_Text_Sequence_No,
> >>>>>>>> old.Extended_Text_Type||"|"||
> >>>>>>>> old.Foreign_Id||"|"||
> >>>>>>>> old.Extended_Text_Sequence_No||"|"||
> >>>>>>>> old.Free_Text
> >>>>>>>> );
> >>>>>>>> END
> >>>>>>>>
> >>>>>>>> which will give the following error:
> >>>>>>>>
> >>>>>>>> Dynamic SQL Error
> >>>>>>>> SQL error code = -817
> >>>>>>>> Metadata update statement is not allowed by the current database
> SQL
> >>>>>>> dialect 1.
> >>>>>>>>
> >>>>>>>> Note the double quotes around the field name Action.
> >>>>>>>>
> >>>>>>>> Any idea how I can run this statement?
> >>>>>>>
> >>>>>>> You can't with dialect 1. Delimited identifiers are supported by
> >>>> dialect
> >>>>>>> 3. Use non-reserved keywords as object names in a dialect 1
> database.
> >>>>>>>
> >>>>>>> --
> >>>>>>> With regards,
> >>>>>>> Thomas Steinmaurer
> >>>>>>>
> >>>>>>> * Upscene Productions - Database Tools for Developers
> >>>>>>> http://www.upscene.com/
> >>>>>>>
> >>>>>>> * My Blog
> >>>>>>> http://blog.upscene.com/thomas/index.php
> >>>>>>>
> >>>>>>> * Firebird Foundation Committee Member
> >>>>>>> http://www.firebirdsql.org/en/firebird-foundation/
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>>
> >>>>> [Non-text portions of this message have been removed]
> >>>>>
> >>>>>
> >>>>>
> >>>>> ------------------------------------
> >>>>
> >>>>>
> >>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>>>>
> >>>>> Visit http://www.firebirdsql.org and click the Resources item
> >>>>> on the main (top) menu. Try Knowledgebase and FAQ links !
> >>>>>
> >>>>> Also search the knowledgebases at http://www.ibphoenix.com
> >>>>>
> >>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>>>> Yahoo! Groups Links
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>> [Non-text portions of this message have been removed]
> >>>
> >>>
> >>>
> >>> ------------------------------------
> >>>
> >>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>>
> >>> Visit http://www.firebirdsql.org and click the Resources item
> >>> on the main (top) menu. Try Knowledgebase and FAQ links !
> >>>
> >>> Also search the knowledgebases at http://www.ibphoenix.com
> >>>
> >>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>> Yahoo! Groups Links
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >
> > Visit http://www.firebirdsql.org and click the Resources item
> > on the main (top) menu. Try Knowledgebase and FAQ links !
> >
> > Also search the knowledgebases at http://www.ibphoenix.com
> >
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > Yahoo! Groups Links
> >
> >
> >
>
>
>


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