I have a script that runs multiple queries; so my customers had to select the DSN every time “Open Database()” command was called. So I wrote a function to solve this problem. It intercepts the DSN string when a user selects it, and saves it to a variable. Then my script can access the DSN later without the user having to re-select.
/*
Function
to intercept user's DSN
selection through ODBC interface for database queries.
This is useful for scripts that
run Open Database() multiple times on the same database.
Opens user's Windows ODBC to allow them to select a DSN.
Returns the DSN string to query the database. If fail, it pops up
a window indicating the error, and returns empty string.
Arguments:
_test_query_:
A very simple query that will return a SQL error if
user
selected wrong DSN. It
will return a
results table if there is no error.
_database_:
The name of the database for the error window.
Local
Variables:
_DSN_test_:
temporary table that will contain the table variable with DSN
_DSN_string_:
string extracted from Database query results Table Variable "JSL"
Example
usage:
DSN_setup("SELECT
TOP 1 * FROM dbo.Dim_DiePV","NSGTestDW");
*/
::DSN_setup = Function(
//Arguments
{_test_query_, _database_},
//Locals
{_DSN_test_, _DSN_string_},
_DSN_test_ =
Open Database( , _test_query_ );
If( Char( _DSN_test_ ) == ".",
New Window( "Script Error",
<<MODAL></MODAL>Thanks for pointing that out, @JensRiege.
I've cleaned it up.
