[Babel] Tangling ignores LOB file?

[Babel] Tangling ignores LOB file?

[Sébastien Vauban]

#+TITLE:     Tangling process ignores LOB?
#+DATE:      2010-12-07
#+LANGUAGE:  en_US

#+BABEL: :cmdline -S server -U user -P password -d database -n -w 700 :results output :exports both

* Abstract

References to named code blocks located in a LOB file seem to be ignored by
the tangling process.

* Example

** Common code

These 2 SQL code blocks are, and will be, reused all over the place:

#+srcname: set-count-off
#+begin_src sql :eval never
-- no longer display the count message
SET NOCOUNT ON
#+end_src

#+srcname: defvar-now
#+begin_src sql :eval never
DECLARE @now smalldatetime
SET @now = CONVERT(smalldatetime,
                   CAST(YEAR(GETDATE()) AS char(4)) + '-' +
                   CAST(MONTH(GETDATE()) AS char(2)) + '-' +
                   CAST(DAY(GETDATE()) AS char(2)) + ' ' +
                   CAST(DATEPART(hh, GETDATE()) AS char(2)) + ':' +
                   CAST(DATEPART(mi, GETDATE()) AS char(2)) + ':' +
                   '00',
                   120) -- ODBC canonical
#+end_src

** Specific code

For example, I use them here:

#+begin_src sql :engine msosql :noweb yes
<<set-count-off>>
<<defvar-now>>
SELECT TOP 5 @now AS now
FROM table
#+end_src

#+results:
| now                 |
| ------------------- |
| 2010-12-07 15:14:00 |
| 2010-12-07 15:14:00 |
| 2010-12-07 15:14:00 |
| 2010-12-07 15:14:00 |
| 2010-12-07 15:14:00 |
|                     |

And it works (see the /results/ table). But...

* Problem

If I put the *common code blocks* into some LOB file (i.e., I move them out of
this file) and ingest it, then the specific code does not properly run
anymore.

In other words, it seems that the tangle process does not take into account
the code blocks located in the LOB.

Best regards,
  Seb

-- 
Sébastien Vauban


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Re: [Babel] Tangling ignores LOB file?

[Eric Schulte]

Hi Seb,

I just pushed up a fix which should allow noweb references to be
resolved using the library of babel.

Thanks -- Eric

Sébastien Vauban <wxhgmqzgwmuf@spammotel.com> writes:

> #+TITLE:     Tangling process ignores LOB?
> #+DATE:      2010-12-07
> #+LANGUAGE:  en_US
>
> #+BABEL: :cmdline -S server -U user -P password -d database -n -w 700 :results output :exports both
>
> * Abstract
>
> References to named code blocks located in a LOB file seem to be ignored by
> the tangling process.
>
> * Example
>
> ** Common code
>
> These 2 SQL code blocks are, and will be, reused all over the place:
>
> #+srcname: set-count-off
> #+begin_src sql :eval never
> -- no longer display the count message
> SET NOCOUNT ON
> #+end_src
>
> #+srcname: defvar-now
> #+begin_src sql :eval never
> DECLARE @now smalldatetime
> SET @now = CONVERT(smalldatetime,
>                    CAST(YEAR(GETDATE()) AS char(4)) + '-' +
>                    CAST(MONTH(GETDATE()) AS char(2)) + '-' +
>                    CAST(DAY(GETDATE()) AS char(2)) + ' ' +
>                    CAST(DATEPART(hh, GETDATE()) AS char(2)) + ':' +
>                    CAST(DATEPART(mi, GETDATE()) AS char(2)) + ':' +
>                    '00',
>                    120) -- ODBC canonical
> #+end_src
>
> ** Specific code
>
> For example, I use them here:
>
> #+begin_src sql :engine msosql :noweb yes
> <<set-count-off>>
> <<defvar-now>>
> SELECT TOP 5 @now AS now
> FROM table
> #+end_src
>
> #+results:
> | now                 |
> | ------------------- |
> | 2010-12-07 15:14:00 |
> | 2010-12-07 15:14:00 |
> | 2010-12-07 15:14:00 |
> | 2010-12-07 15:14:00 |
> | 2010-12-07 15:14:00 |
> |                     |
>
> And it works (see the /results/ table). But...
>
> * Problem
>
> If I put the *common code blocks* into some LOB file (i.e., I move them out of
> this file) and ingest it, then the specific code does not properly run
> anymore.
>
> In other words, it seems that the tangle process does not take into account
> the code blocks located in the LOB.
>
> Best regards,
>   Seb

Re: [Babel] Tangling ignores LOB file?

[Sébastien Vauban]

Hi Eric,

"Eric Schulte" wrote:
>> In other words, it seems that the tangle process does not take into account
>> the code blocks located in the LOB.
>>
> I just pushed up a fix which should allow noweb references to be resolved
> using the library of babel.

TESTED as FIXED. Case is CLOSED.

Thanks a lot.

Best regards,
  Seb

-- 
Sébastien Vauban


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Please use `Reply All' to send replies to the list.
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Re: [Babel] Tangling ignores LOB file?

[Sébastien Vauban]

Hi Eric,

> "Eric Schulte" wrote:
>>> In other words, it seems that the tangle process does not take into
>>> account the code blocks located in the LOB.
>>
>> I just pushed up a fix which should allow noweb references to be resolved
>> using the library of babel.
>
> TESTED as FIXED. Case is CLOSED.
>
> Thanks a lot.

Though, I just discovered a little problem not related to tangling, but well
to the LOB:

#+TITLE:     nil when code block is moved to my LOB
#+DATE:      2010-12-20
#+LANGUAGE:  en_US

#+BABEL:     :engine msosql :cmdline -S server -U user -P password -d database -n -w 700 :results output :exports both :noweb yes

* Abstract

When the code block is local to the file, the =call= is returning expected
results, when =C-c C-v C-e=.

When moved to the LOB (and the LOB ingested), the same =call= returns =nil=.

* Example

** Local source code block

The code block is in the same file as the one where the =call= is located.

#+srcname: show-count-per-tinyint-value
#+begin_src sql :var table="sometable" :var column="somecolumn"
SELECT $column, COUNT(ISNULL($column, 255)) AS 'Count'
FROM $table
GROUP BY $column
ORDER BY $column
#+end_src

#+call: show-count-per-tinyint-value(table="mytable", column="mycolumn")

#+results: show-count-per-tinyint-value(table="mytable", column="mycolumn")
|             mycolumn |       Count |
|         ------------ | ----------- |
|                 NULL |        8062 |
|                    0 |        5759 |
|                    1 |       49174 |
|                    2 |        1994 |
|                    3 |        9651 |
|                    4 |          27 |
|                    5 |        2262 |
|                    6 |          21 |
|                      |             |
| (8 lignes affectＦs) |             |

** Now, with the source code in the LOB

After having moved the code block to the LOB (and ingested it), the execution
does not return the expected results anymore:

#+call: show-count-per-tinyint-value(table="mytable", column="mycolumn")

#+results: show-count-per-tinyint-value(table="mytable", column="mycolumn")
: nil

* Extra

Would it be possible to have:

- the previewing enabled, and
- speed commands

on the =call= lines?

Best regards,
  Seb

-- 
Sébastien Vauban


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Please use `Reply All' to send replies to the list.
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