/*
* Creates the target table from the
* output definition of the query
*/
protected override String createTargetTable(
CollectorConfig cfg,
CollectionItemConfig itm
)
{
String TableName = itm.OutputTable;
TSQLCollectionItemConfig itemCfg = (TSQLCollectionItemConfig)itm;
String CollectorId = CollectorUtils.getCacheFilePrefix(SourceServerInstance, CollectionSetUid, ItemId) + "_" + itm.Index;
//
// checks if the table exists and which schema it belongs
//
String checkedTableName = checkTable(cfg, itm);
if (checkedTableName != null)
{
return(checkedTableName);
}
String statement = @"
IF NOT EXISTS (
SELECT *
FROM sys.servers
WHERE NAME = 'LOOPBACK'
)
BEGIN
DECLARE @srv nvarchar(4000);
SET @srv = @@SERVERNAME; -- gather this server name
-- Create the linked server
EXEC master.dbo.sp_addlinkedserver
@server = N'LOOPBACK',
@srvproduct = N'SQLServ', -- it's not a typo: it can't be 'SQLServer'
@provider = N'SQLNCLI', -- change to SQLOLEDB for SQLServer 2000
@datasrc = @srv;
-- Set the authentication to 'current security context'
EXEC master.dbo.sp_addlinkedsrvlogin
@rmtsrvname = N'LOOPBACK',
@useself = N'True',
@locallogin = NULL,
@rmtuser = NULL,
@rmtpassword = NULL;
END
USE tempdb;
GO
IF OBJECT_ID('{0}') IS NOT NULL
DROP PROCEDURE [{0}]
GO
CREATE PROCEDURE [{0}]
AS
BEGIN
SET NOCOUNT ON;
{1}
END
GO
IF SCHEMA_ID('custom_snapshots') IS NULL
EXEC('CREATE SCHEMA [custom_snapshots]')
IF OBJECT_ID('custom_snapshots.{2}') IS NOT NULL
DROP TABLE [custom_snapshots].[{2}]
GO
SELECT TOP 0 *,
CAST(NULL AS sysname) AS _database_name,
CAST(NULL AS datetimeoffset(7)) AS _collection_time,
CAST(NULL AS int) AS _snapshot_id
INTO tempdb.[custom_snapshots].[{2}]
FROM OPENQUERY(LOOPBACK, 'SET FMTONLY OFF; EXEC tempdb.dbo.[{0}]');
DROP PROCEDURE [{0}];
GO
IF EXISTS(
SELECT 1
FROM sys.columns
WHERE name = 'database_name'
AND object_id = OBJECT_ID('[custom_snapshots].[{2}]')
)
BEGIN
EXEC sp_rename '[custom_snapshots].[{2}].[database_name]', '__database_name', 'COLUMN';
END
EXEC sp_rename '[custom_snapshots].[{2}].[_database_name]', 'database_name', 'COLUMN';
IF EXISTS(
SELECT 1
FROM sys.columns
WHERE name = 'collection_time'
AND object_id = OBJECT_ID('[custom_snapshots].[{2}]')
)
BEGIN
EXEC sp_rename '[custom_snapshots].[{2}].[collection_time]', '__collection_time', 'COLUMN';
END
EXEC sp_rename '[custom_snapshots].[{2}].[_collection_time]', 'collection_time', 'COLUMN';
IF EXISTS(
SELECT 1
FROM sys.columns
WHERE name = 'snapshot_id'
AND object_id = OBJECT_ID('[custom_snapshots].[{2}]')
)
BEGIN
EXEC sp_rename '[custom_snapshots].[{2}].[snapshot_id]', '__snapshot_id', 'COLUMN';
END
EXEC sp_rename '[custom_snapshots].[{2}].[_snapshot_id]', 'snapshot_id', 'COLUMN';
" ;
statement = String.Format(statement, CollectorId, itemCfg.Query, itm.OutputTable);
CollectorUtils.InvokeSqlBatch(SourceServerInstance, "tempdb", statement);
String scriptText = CollectorUtils.ScriptTable(SourceServerInstance, "tempdb", TableName);
CollectorUtils.InvokeSqlCmd(cfg.MDWInstance, cfg.MDWDatabase, scriptText);
return("[custom_snapshots].[" + TableName + "]");
}
