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Create index in SQL Server table
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À
18/03/2020 11:38:11
Dragan Nedeljkovich (En ligne)
Now officially retired
Zrenjanin, Serbia
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
01673698
Message ID:
01673712
Vues:
38
>>Could someone see what is wrong with the following SQL command? It works without an error when I run this command in the SSMS, but when I execute it from VFP 9, it give the error
>>
>>
>>The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common
>> table expressions, unless TOP or FOR XML is also specified
>>
>>
>>This is the SQL command:
>>
>>TEXT TO cSqlCommand TEXTMERGE NOSHOW
>>	IF NOT exists (SELECT sys.tables.name, sys.indexes.name, sys.columns.name FROM sys.indexes
>>        INNER JOIN sys.tables ON sys.tables.object_id = sys.indexes.object_id
>>        INNER JOIN sys.index_columns ON sys.index_columns.index_id = sys.indexes.index_id
>>            AND sys.index_columns.object_id = sys.tables.object_id
>>        INNER JOIN sys.columns ON sys.columns.column_id = sys.index_columns.column_id
>>            AND sys.columns.object_id = sys.tables.object_id
>>         WHERE sys.tables.name = 'MYTABLE' and sys.indexes.name = 'MYINDEX'
>>        ORDER BY
>>          sys.tables.name,
>>          sys.indexes.name,
>>          sys.columns.name )
>>		BEGIN
>>			CREATE NONCLUSTERED INDEX <<tcIndexTag>> ON [dbo].[<<tcTableName>>] ([<<tcFieldName>>])
>>	        SELECT CAST(1 AS bit) AS col_added
>>	    END    
>>	ELSE 
>>		SELECT CAST(0 AS bit) AS col_added
>>ENDTEXT
>>
>
>The order by is completely unnecessary in exists(...)... which doesn't care in which order it finds at least one record.

Thank you! This corrects the error.
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