Error on index creation if column number > 16


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Michel Levy
Michel Levy
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Hi,

All is OK when I create an index within SSMS with this script

CREATE NONCLUSTERED INDEX [IX_ligne_1_rpt_et_dev1] ON [dbo].[ligne_1]
(
[cde_cmd] ASC,
[no_ligne_1] ASC,
[cde_mat] ASC
)
INCLUDE ( [epaisseur],
[cal_surf],
[surf_lq],
[lq_m2],
[px2_m2],
[laq_l1],
[laq_l2],
[laq_f2],
[modew],
[mat_four],
[libelle3],
[longueur],
[largeur],
[raly],
[com_lg1],
[typ_laq],
[fl_bcl]) WITH (SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF) ON [PRIMARY]

but the same description in DDT raises an error when deployment

(in log fileSmile

X 12/02/2010 16:19:50 ->   Le index 'IX_ligne_1_rpt_et_dev1' sur la table 'dbo.ligne_1' a 20 noms de colonnes dans la liste de clés index. La limite maximale pour la liste des colonnes de clés d'index ou de statistiques est 16.

Is that limit of 16 column names in an index definition a SF DDT limit, or a Microsoft SMO limit?

We really need many indexes like this (with sometimes more than 40 columns as INCLUDE), and hoped that DDT could manage it.

Thanks in advance

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Trent Taylor
Trent Taylor
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Group: StrataFrame Developers
Posts: 6.6K, Visits: 6.9K
Wow, I have never created an index with that many columns! w00t



I would have to actually test this to give you any conclusive results. But most likely, this is a limit of SMO. There is an easy enough workaround for something like this. You could just use a Post Deployment Script to create this index if the standard T-SQL code is allowing it.



I will have to look into the other.
GO

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Michel Levy - 15 Years Ago
Trent L. Taylor - 15 Years Ago
Michel Levy - 15 Years Ago
Trent L. Taylor - 15 Years Ago
Michel Levy - 15 Years Ago
Trent L. Taylor - 15 Years Ago
Michel Levy - 15 Years Ago
Trent L. Taylor - 15 Years Ago
Michel Levy - 15 Years Ago
Trent L. Taylor - 15 Years Ago
Michel Levy - 15 Years Ago
Trent L. Taylor - 15 Years Ago
Edhy Rijo - 15 Years Ago
Edhy Rijo - 15 Years Ago

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