from:"Theodore Patrick"

[Zope] Looking up other row records in an SQLMethod?

2000-08-15 Thread Theodore Patrick


Is it possible to look up other SQL record values while iterating through a
DTML-IN?

Sample Data returned by SQL Method:

ID, ORDER
23, 1 
25, 3
34, 6
39, 19
12, 23

Using a DTML IN I need to get the following during a single pass through
the SqlMethod:

HEADER ID   ORDER  PREV  NEXT
PASS 1   231null3
PASS 2   253  1 6
PASS 2   256  319
PASS 2   25   19 623
PASS 2   25   2319   null

Calculating the PREV and NEXT is the problem and this cannot be done via
SQL.

1. What is the syntax for writing out SQL Fields Directly?

Say in a DTML-IN

dtml-var ID  dtml-var ORDER dtml-var "ORDER[0]" dtml-var "ORDER[2]


Any Ideas??

Thanks in Advance.

Theodore E. Patrick
Ishophere.com



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[Zope] NESTED IN STATEMENTS AND PASSING VARIABLES in DTML

2000-07-20 Thread Theodore Patrick


What is the DTML syntax for nested in statements. Here is an example.


EXAMPLE 1: NO VARIABLE PASSING

GOAL: loop 4 times and with each loop run the category_method and print out
the results:

dtml-in "1,2,3,4"
dtml-in "category_method(id='1')" size=100 start=query_start
id=dtml-var idseq=dtml-var seqvid=dtml-var vid
/dtml-in
/dtml-in

WORKS!


EXAMPLE 2: VARIABLE PASSING

GOAL: Loop in the active_category_method and for each row run the
category_method passing a new 'id' variable and print out the results.

dtml-in "active_category_method()"
dtml-in "category_method()" size=100 start=query_start
id=dtml-var idseq=dtml-var seqvid=dtml-var vid
/dtml-in
/dtml-in

ERROR -- ID is not being passed to "category_method()"


Anyone have a solution out there?

NOTE: active_category_method and category_method are SQL METHODS. Where 'id'
is and SQL_VAR for category_method.

Thanks in advance!

Theodore E. Patrick
Ishophere.com

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RE: [Zope] NESTED IN STATEMENTS AND PASSING VARIABLES in DTML

2000-07-20 Thread Theodore Patrick


THANKS A TON!!!

I just found that the following solutions works also:

I think the only difference is the id is evaluated in the namespace variable
before invoking the SQL_METHOD

dtml-in "active_category_method()"
dtml-in "category_method(id=(_['id']))" size=100 start=query_start
 id=dtml-var idseq=dtml-var seqvid=dtml-var vid
/dtml-in
/dtml-in

or

dtml-in "1,2,323,23,23"
dtml-in "category_method(id=(_['sequence_item']))" size=100
start=query_start
 id=dtml-var idseq=dtml-var seqvid=dtml-var vid
/dtml-in
/dtml-in


Your point on the SQL_METHODS is a good one! I had no idea!

Theodore E. Patrick


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, July 20, 2000 1:28 PM
To: Theodore Patrick
Cc: [EMAIL PROTECTED]
Subject: Re: [Zope] NESTED IN STATEMENTS AND PASSING VARIABLES in DTML


On Thu, Jul 20, 2000 at 12:27:01PM -0500, Theodore Patrick wrote:
 What is the DTML syntax for nested in statements. Here is an example.
 
 
 EXAMPLE 1: NO VARIABLE PASSING
 
 GOAL: loop 4 times and with each loop run the category_method and print
out
 the results:
 
 dtml-in "1,2,3,4"
 dtml-in "category_method(id='1')" size=100 start=query_start
 id=dtml-var idseq=dtml-var seqvid=dtml-var vid
 /dtml-in
 /dtml-in
 
 WORKS!
 
 
 EXAMPLE 2: VARIABLE PASSING
 
 GOAL: Loop in the active_category_method and for each row run the
 category_method passing a new 'id' variable and print out the results.
 
 dtml-in "active_category_method()"
 dtml-in "category_method()" size=100 start=query_start
 id=dtml-var idseq=dtml-var seqvid=dtml-var vid
 /dtml-in
 /dtml-in
 
 ERROR -- ID is not being passed to "category_method()"
 
 
 Anyone have a solution out there?
 
 NOTE: active_category_method and category_method are SQL METHODS. Where
'id'
 is and SQL_VAR for category_method.

This is FAQ material and should be inserted into either the DTML
programmer's guide
or the ZSQL Methods guide.  It bites everyone who uses SQL methods
eventually.

ZSQL methods do not perform acquisition, but will look at REQUEST, change it
to.
dtml-in "active_category_method()"
 dtml-call "REQUEST.set('id', id)"
 dtml-in "category_method()" size=100 start=query_start
 id=dtml-var idseq=dtml-var seqvid=dtml-var vid
 /dtml-in
 /dtml-in

If you have a lot of arguments that need to be captured, you can
build a DTML Method, say setup_category_method_parameters that
has these builds the REQUEST.  Then your dtml can look like:
dtml-in "active_category_method()"
 dtml-call setup_category_method_parameters
 dtml-in "category_method()" size=100 start=query_start
 id=dtml-var idseq=dtml-var seqvid=dtml-var vid
 /dtml-in
 /dtml-in



 
 Thanks in advance!
 
 Theodore E. Patrick
 Ishophere.com
 
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[Zope] SECURITY ROLES and DTML-IN

2000-07-17 Thread Theodore Patrick


I am having trouble rendering a DTML IN in ZOPE 2.2.0 to any user
regardless of roles.

I have allocated the proper rights to all objects used and nothing happens.
The IN will not let any user view its contents.

DTML IN

I am using an IN in a DTML Document to render the contents of an
SQL_Method from and Oracle Database.
There are 3 objects.

1. Database Connection(ORACLE) - Working and can run test. OK

2. SQL_Method(VIEW_METHOD)- Working and can see results when run.
SQL: select id, v_id vid, item_name name, url from item
The SQL method returns columns: id, vid, name, url as expected. OK

3. DTML Document - Works fine with an IN that renders folder properties.
Change the Source of the DTML IN to the SQL_Method and it will prompt me
for user authentication.

dtml-in VIEW_METHOD size=1000 start=query_start
dtml-var id, dtml-var vid, dtml-var name, dtml-var url 
/dtml-in

When used it prompts the user to login - REGARDLESS OF CURRENT LOGIN and
returns the following error.

Traceback (innermost last):
  File C:\PROGRA~1\island8\lib\python\ZPublisher\Publish.py, line 222, in
publish_module
  File C:\PROGRA~1\island8\lib\python\ZPublisher\Publish.py, line 187, in
publish
  File C:\PROGRA~1\island8\lib\python\ZPublisher\Publish.py, line 171, in
publish
  File C:\PROGRA~1\island8\lib\python\ZPublisher\mapply.py, line 160, in
mapply
(Object: view)
  File C:\PROGRA~1\island8\lib\python\ZPublisher\Publish.py, line 112, in
call_object
(Object: view)
  File C:\PROGRA~1\island8\lib\python\OFS\DTMLMethod.py, line 167, in
__call__
(Object: view)
  File C:\PROGRA~1\island8\lib\python\DocumentTemplate\DT_String.py, line
502, in __call__
(Object: view)
  File C:\PROGRA~1\island8\lib\python\DocumentTemplate\DT_In.py, line 602,
in renderwb
(Object: view_method)


Things I have tried.

1. Opening up security all the way on all objects. Doesn't work. It
continues to ask me to log-in.
2. Proxy the DTML Documents ROLE to a higher role for the SQL_METHOD. Fails
just as before.

Is this a bug? Can anyone else confirm this.

PLATFORM: WINDOWS NT 4
ZOPE: 2.2.0 Final Release. 

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RE: [Zope] ODBC connection to Oracle

2000-06-01 Thread Theodore Patrick


We have had mixed results depending on the ODBC driver you use to make your
DSN.

Here is what I found.

1. Microsofts ODBC Driver for ORACLE on NT4.0, NT2000
-CREATE DSN -OK
-ZOPE ZODBC -OK
-ZSQL METHODS -OK

2. ORACLE ODBC DRIVER on NT 4.0, Especially NT2000
-CREATE DSN -OK
-ZOPE ZODBC CONNECTION -OK Visually! On First Query it will break.
-ZSQL METHODS -Broken

When in doubt use the MICROSOFT DRIVER for ODBC! That is our rule. You will
also find that this same problem exists in using ORACLE drivers when viewing
databases via ACCESS. It will typically crash Access and potentially more.

Theodore E. Patrick
Ishophere.com - Indigo Networks


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 01, 2000 12:16 PM
To: [EMAIL PROTECTED]
Subject: [Zope] ODBC connection to Oracle


Hi there,

Has anyone tried connecting using  ZODBC
from a WinNT machine to an Oracle database?

The ODBC connection works. But when I create
a ZODBC connection from ODBC dsn, it doesn't.

I give the connect string as
DSN userid password

as mentioned under ZODBC add screen...


Any help?

Thanks
Babu

http://vsbabu.csoft.net

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[Zope] Looking up other row records in an SQLMethod?

[Zope] NESTED IN STATEMENTS AND PASSING VARIABLES in DTML

RE: [Zope] NESTED IN STATEMENTS AND PASSING VARIABLES in DTML

[Zope] SECURITY ROLES and DTML-IN

RE: [Zope] ODBC connection to Oracle

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