create function in another database dynamically - sql

Question

I'm trying to create function on every database while I'm on master,
I'm using cursors
DECLARE c_db_names CURSOR FOR
SELECT name
FROM sys.databases
WHERE name NOT IN('master','model','msdb','tempdb','ReportServer$SQLEXPRESS','ReportServer$SQLEXPRESSTempDB')
OPEN c_db_names
FETCH next from c_db_names INTO #db_name
WHILE ##Fetch_Status = 0
BEGIN
set #sql = 'Create function...'
set #UseAndExecStatment = 'use ' + #db_name + ' exec sp_executesql '+#sql
exec Sp_executeSql #UseAndExecStatment
FETCH next from c_db_names INTO #db_name
END
CLOSE c_db_names
DEALLOCATE c_db_names
the problem is that its not working, it says:
"CREATE FUNCTION' must be the first statement in a query batch"
Any ideas?
Thanks for your help.

Answer 1

You can use db..sp_executesql instead:
declare #sql nvarchar(max), #db_name nvarchar(max), #sql2 nvarchar(max)
DECLARE c_db_names CURSOR FOR
SELECT name
FROM sys.databases
WHERE name NOT IN('master','model','msdb','tempdb','ReportServer$SQLEXPRESS','ReportServer$SQLEXPRESSTempDB')
and name ='reports'
OPEN c_db_names
FETCH next from c_db_names INTO #db_name
WHILE ##Fetch_Status = 0
BEGIN
set #sql2 = 'create procedure ...'
set #sql = 'exec '+#db_name+'..sp_executesql N''' + #sql2+''''
print #sql
--exec(#sql)
FETCH next from c_db_names INTO #db_name
END
CLOSE c_db_names
DEALLOCATE c_db_names

Answer 2

define the database in "create" query
try
DECLARE c_db_names CURSOR FOR
SELECT name
FROM sys.databases
WHERE name NOT IN('master','model','msdb','tempdb','ReportServer$SQLEXPRESS','ReportServer$SQLEXPRESSTempDB')
OPEN c_db_names
FETCH next from c_db_names INTO #db_name
WHILE ##Fetch_Status = 0
BEGIN
set #sql = 'Create function '+#db_name+'dbo.functionName ......'
exec Sp_executeSql #sql
FETCH next from c_db_names INTO #db_name
END
CLOSE c_db_names
DEALLOCATE c_db_names
see:
set #sql = 'Create function '+#db_name+'dbo.functionName ......'

Answer 3

done :)
declare #sql nvarchar(max), #db_name nvarchar(max), #sql2 nvarchar(max)
declare #sp_executesql nvarchar (max)
DECLARE c_db_names CURSOR FOR
SELECT name
FROM sys.databases
WHERE name NOT IN('master','model','msdb','tempdb','ReportServer$SQLEXPRESS','ReportServer$SQLEXPRESSTempDB')
--and name ='reports'
OPEN c_db_names
FETCH next from c_db_names INTO #db_name
WHILE ##Fetch_Status = 0
BEGIN
set #sql2 = N'
CREATE FUNCTION [String_Turn_Month] (#d char(6))
RETURNS char(6)
AS
BEGIN
DECLARE ##DSTR char(6)
IF #D=''''000000''''
set ##dstr=''''000000''''
IF substring(#d,3,4)<1800
RETURN(#D)
IF substring(#d,3,4)>1800
set ##dstr=cast(substring(#d,3,4)+substring(#d,1,2) as char(6))
RETURN(##DSTR)
END'
-- set #sql = 'exec '+#db_name+'..sp_executesql N''' + #sql2+''''
set #sp_executesql = 'exec ' + #db_name + '..sp_executeSQL N''' + #sql2 + ''''
PRINT #sp_executesql
EXEC sp_executeSQL #sp_executesql
print '------------'
print '------------'
print '------------'
-- exec(#sql)
FETCH next from c_db_names INTO #db_name
END
CLOSE c_db_names
DEALLOCATE c_db_names