Question

Je suis en train d'imprimer une valeur sélectionnée, est-ce possible?

Exemple:

PRINT 
    SELECT SUM(Amount) FROM Expense
Était-ce utile?

La solution

Vous savez, il pourrait y avoir un moyen plus facile, mais la première chose qui vient à l'esprit est:

Declare @SumVal int;
Select @SumVal=Sum(Amount) From Expense;
Print @SumVal;

Vous pouvez, bien sûr, imprimer un certain nombre de champs de la table de cette façon. Bien sûr, si vous voulez imprimer tous les résultats d'une requête qui renvoie plusieurs lignes, vous devriez juste diriger votre sortie appropriée (par exemple au texte).

Autres conseils

Si vous êtes OK avec elle l'affichage au format XML:

DECLARE @xmltmp xml = (SELECT * FROM table FOR XML AUTO)
PRINT CONVERT(NVARCHAR(MAX), @xmltmp)

Alors que la question de l'OP comme demandé ne nécessite pas nécessairement cela, il est utile si vous avez été regardant ici pour imprimer plusieurs lignes / colonnes (dans la raison).

Si vous souhaitez imprimer plusieurs lignes, vous pouvez itérer le résultat à l'aide d'un curseur. par exemple. imprimer tous les noms de sys.database_principals

DECLARE @name nvarchar(128)

DECLARE cur CURSOR FOR
SELECT name FROM sys.database_principals

OPEN cur

FETCH NEXT FROM cur INTO @name;
WHILE @@FETCH_STATUS = 0
BEGIN   
PRINT @name
FETCH NEXT FROM cur INTO @name;
END

CLOSE cur;
DEALLOCATE cur;
set @n = (select sum(Amount) from Expense)
print 'n=' + @n

J'ai écrit ce SP à faire exactement ce que vous voulez, cependant, vous devez utiliser SQL dynamique.

Cela a fonctionné pour moi sur SQL Server 2008 R2

ALTER procedure [dbo].[PrintSQLResults] 
    @query nvarchar(MAX),
    @numberToDisplay int = 10,
    @padding int = 20
as

SET NOCOUNT ON;
SET ANSI_WARNINGS ON;

declare @cols nvarchar(MAX), 
        @displayCols nvarchar(MAX), 
        @sql nvarchar(MAX), 
        @printableResults nvarchar(MAX),
        @NewLineChar AS char(2) = char(13) + char(10),
        @Tab AS char(9) = char(9);

if exists (select * from tempdb.sys.tables where name = '##PrintSQLResultsTempTable') drop table ##PrintSQLResultsTempTable

set @query = REPLACE(@query, 'from', ' into ##PrintSQLResultsTempTable from');
--print @query
exec(@query);
select ROW_NUMBER() OVER (ORDER BY (select Null)) AS ID12345XYZ, * into #PrintSQLResultsTempTable 
from ##PrintSQLResultsTempTable
drop table ##PrintSQLResultsTempTable

select name
into #PrintSQLResultsTempTableColumns
from tempdb.sys.columns where object_id =
object_id('tempdb..#PrintSQLResultsTempTable');

select @cols =
stuff((
    (select ' + space(1) + (LEFT( (CAST([' + name + '] as nvarchar(max)) + space('+ CAST(@padding as nvarchar(4)) +')), '+CAST(@padding as nvarchar(4))+')) ' as [text()]
    FROM #PrintSQLResultsTempTableColumns
    where name != 'ID12345XYZ'
    FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'''''');

select @displayCols =
stuff((
    (select space(1) + LEFT(name + space(@padding), @padding) as [text()]
    FROM #PrintSQLResultsTempTableColumns
    where name != 'ID12345XYZ'
    FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'');

DECLARE 
    @tableCount int = (select count(*) from #PrintSQLResultsTempTable);
DECLARE 
    @i int = 1, 
    @ii int = case when @tableCount < @numberToDisplay then @tableCount else @numberToDisplay end;

print @displayCols -- header
While @i <= @ii
BEGIN
    set @sql = N'select @printableResults = ' + @cols + ' + @NewLineChar from #PrintSQLResultsTempTable where ID12345XYZ = ' + CAST(@i as varchar(3)) + '; print @printableResults;'
    --print @sql
    execute sp_executesql @sql, N'@NewLineChar char(2), @printableResults nvarchar(max) output', @NewLineChar = @NewLineChar, @printableResults = @printableResults output
    print @printableResults
    SET @i += 1;
END

Cela a fonctionné pour moi sur SQL Server 2012

ALTER procedure [dbo].[PrintSQLResults] 
    @query nvarchar(MAX),
    @numberToDisplay int = 10,
    @padding int = 20
as

SET NOCOUNT ON;
SET ANSI_WARNINGS ON;

declare @cols nvarchar(MAX), 
        @displayCols nvarchar(MAX), 
        @sql nvarchar(MAX), 
        @printableResults nvarchar(MAX),
        @NewLineChar AS char(2) = char(13) + char(10),
        @Tab AS char(9) = char(9);

if exists (select * from tempdb.sys.tables where name = '##PrintSQLResultsTempTable') drop table ##PrintSQLResultsTempTable

set @query = REPLACE(@query, 'from', ' into ##PrintSQLResultsTempTable from');
--print @query
exec(@query);
select ROW_NUMBER() OVER (ORDER BY (select Null)) AS ID12345XYZ, * into #PrintSQLResultsTempTable 
from ##PrintSQLResultsTempTable
drop table ##PrintSQLResultsTempTable

select name
into #PrintSQLResultsTempTableColumns
from tempdb.sys.columns where object_id =
object_id('tempdb..#PrintSQLResultsTempTable');

select @cols =
stuff((
    (select ' + space(1) + LEFT(CAST([' + name + '] as nvarchar('+CAST(@padding as nvarchar(4))+')) + space('+ CAST(@padding as nvarchar(4)) +'), '+CAST(@padding as nvarchar(4))+') ' as [text()]
    FROM #PrintSQLResultsTempTableColumns
    where name != 'ID12345XYZ'
    FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'''''');

select @displayCols =
stuff((
    (select space(1) + LEFT(name + space(@padding), @padding) as [text()]
    FROM #PrintSQLResultsTempTableColumns
    where name != 'ID12345XYZ'
    FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'');

DECLARE 
    @tableCount int = (select count(*) from #PrintSQLResultsTempTable);
DECLARE 
    @i int = 1, 
    @ii int = case when @tableCount < @numberToDisplay then @tableCount else @numberToDisplay end;

print @displayCols -- header
While @i <= @ii
BEGIN
    set @sql = N'select @printableResults = ' + @cols + ' + @NewLineChar   from #PrintSQLResultsTempTable where ID12345XYZ = ' + CAST(@i as varchar(3)) + ' '
    --print @sql
    execute sp_executesql @sql, N'@NewLineChar char(2), @printableResults nvarchar(max) output', @NewLineChar = @NewLineChar, @printableResults = @printableResults output
    print @printableResults
    SET @i += 1;
END

Cela a fonctionné pour moi sur SQL Server 2014

ALTER procedure [dbo].[PrintSQLResults] 
    @query nvarchar(MAX),
    @numberToDisplay int = 10,
    @padding int = 20
as

SET NOCOUNT ON;
SET ANSI_WARNINGS ON;

declare @cols nvarchar(MAX), 
        @displayCols nvarchar(MAX), 
        @sql nvarchar(MAX), 
        @printableResults nvarchar(MAX),
        @NewLineChar AS char(2) = char(13) + char(10),
        @Tab AS char(9) = char(9);

if exists (select * from tempdb.sys.tables where name = '##PrintSQLResultsTempTable') drop table ##PrintSQLResultsTempTable

set @query = REPLACE(@query, 'from', ' into ##PrintSQLResultsTempTable from');
--print @query
exec(@query);
select ROW_NUMBER() OVER (ORDER BY (select Null)) AS ID12345XYZ, * into #PrintSQLResultsTempTable 
from ##PrintSQLResultsTempTable
drop table ##PrintSQLResultsTempTable

select name
into #PrintSQLResultsTempTableColumns
from tempdb.sys.columns where object_id =
object_id('tempdb..#PrintSQLResultsTempTable');

select @cols =
stuff((
    (select ' , space(1) + LEFT(CAST([' + name + '] as nvarchar('+CAST(@padding as nvarchar(4))+')) + space('+ CAST(@padding as nvarchar(4)) +'), '+CAST(@padding as nvarchar(4))+') ' as [text()]
    FROM #PrintSQLResultsTempTableColumns
    where name != 'ID12345XYZ'
    FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'''''');

select @displayCols =
stuff((
    (select space(1) + LEFT(name + space(@padding), @padding) as [text()]
    FROM #PrintSQLResultsTempTableColumns
    where name != 'ID12345XYZ'
    FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'');

DECLARE 
    @tableCount int = (select count(*) from #PrintSQLResultsTempTable);
DECLARE 
    @i int = 1, 
    @ii int = case when @tableCount < @numberToDisplay then @tableCount else @numberToDisplay end;

print @displayCols -- header
While @i <= @ii
BEGIN
    set @sql = N'select @printableResults = concat(@printableResults, ' + @cols + ', @NewLineChar) from #PrintSQLResultsTempTable where ID12345XYZ = ' + CAST(@i as varchar(3))
    --print @sql
    execute sp_executesql @sql, N'@NewLineChar char(2), @printableResults nvarchar(max) output', @NewLineChar = @NewLineChar, @printableResults = @printableResults output
    print @printableResults
    SET @printableResults = null;
    SET @i += 1;
END

Exemple:

exec [dbo].[PrintSQLResults] n'select * from MyTable'

Essayez cette requête

DECLARE @PrintVarchar nvarchar(max) = (Select Sum(Amount) From Expense)
PRINT 'Varchar format =' + @PrintVarchar

DECLARE @PrintInt int = (Select Sum(Amount) From Expense)
PRINT @PrintInt

Ajouter

PRINT 'Hardcoded table name -' + CAST(@@RowCount as varchar(10))

immédiatement après la requête.

Vous pouvez également utiliser le sp_MSforeachtable procédure stockée en tant que tel si vous cherchez à faire pour chaque table:

sp_MSforeachtable @command1 ="PRINT 'TABLE NAME: ' + '?' DECLARE @RowCount INT SET @RowCount = (SELECT COUNT(*) FROM ?) PRINT @RowCount" 

Si vous le souhaitez (comme moi) d'avoir des résultats contenant des lignes mulitple de différentes requêtes SELECT « marquées » et ne peut pas gérer ce dans les limites de l'instruction PRINT de concert avec l'onglet Messages vous pourriez tourner autour et ajoutez simplement messages à l'onglet Résultats par le ci-dessous:

SELECT 'Results from scenario 1'
SELECT
    *
FROM tblSample

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