ESUG 2011, Edinburgh

1. I n g . m a r i a n o m a rt i n e z p e c k
m a r i a n o p e c k @ g m a i l . c o m
h t t p : / / m a r i a n o p e c k . w o r d p r e s s . c o m /
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Friday, August 26, 2011

2. THANKS a lot!!!
SummerTalk 2011
Students: Guillermo Polito, Santiago Bragagnolo and Gisela
Decuzzi.
Mentors: Mariano Martínez Peck, Esteban Lorenzano and
Diogenes Moreira.
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Friday, August 26, 2011

3. DBXTalk is...
The complete and open-source
solution to relational database access.
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4. DBXTalk suite
Glorp port GlorpDBX
OpenDBXDriver
DBXBrowser DBXTools
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5. OpenDBXDriver
Formerly known as SqueakDBX.
It is the database driver.
It wraps the C library OpenDBX.
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6. ...
...
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7. Oracle
client
MySQL
client
library
PostgreSQL
client
library
... MSSQL
client
library library
...
...
6
Friday, August 26, 2011

8. Oracle uses oci.h and libclntsh
It has N functions.
Examples: OCIHandleAlloc(), OCIServerAttach(),
OCISessionEnd(), etc.
Oracle
client
MySQL
client
library
PostgreSQL
client
library
... MSSQL
client
library library
...
...
6
Friday, August 26, 2011

9. MySQL uses mysql.h and libmysqlclient_r
It has M functions.
Examples: mysql_real_connect(), mysql_server_end(),
mysql_real_query(), etc.
Oracle
client
MySQL
client
library
PostgreSQL
client
library
... MSSQL
client
library library
...
...
6
Friday, August 26, 2011

10. Oracle
client ≠
MySQL
client
library
≠
PostgreSQL
client
library
≠ ... ≠ MSSQL
client
library library
...
...
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Friday, August 26, 2011

11. Common API for all backends!
Oracle
client ≠
MySQL
client
library
≠
PostgreSQL
client
library
≠ ... ≠ MSSQL
client
library library
...
...
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Friday, August 26, 2011

12. Layers
odbx
_init
odbx_b
ind
F
OpenDBX odbx_query
Driver
F ... esult
r
I o dbx_ etch
f
r aw_
od bx_
Smalltalk C
7
Friday, August 26, 2011

13. Layers
odbx
_init
odbx_b
ind
F
OpenDBX odbx_query
Driver
F ... esult
r
I o dbx_ etch
f
r aw_
od bx_
Smalltalk C
7
Friday, August 26, 2011

14. Layers
odbx
_init
odbx_b
ind
F
OpenDBX odbx_query
Driver
F ... esult
r
I o dbx_ etch
f
r aw_
od bx_
Smalltalk C
7
Friday, August 26, 2011

15. Layers
odbx
_init
odbx_b
ind
F
OpenDBX odbx_query
Driver
F ... esult
r
I o dbx_ etch
f
r aw_
od bx_
Smalltalk C
7
Friday, August 26, 2011

16. Glorp port
Port latest Glorp from VisualWorks to
Pharo.
Try to automatize that task as much as
possible.
Document the process.
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17. GlorpDBX
The “glue” (Glorp database driver) between
Glorp and OpenDBXDriver.
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18. DBXTools
Scaffolding - Glorp -
From tables -> automagic generation of
classes, Glorp mappings and Magritte
descriptions.
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19. DBXBrowser
UI for scaffolding.
Query database.
Visualize database metadata.
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20. DBXBrowser
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21. New DBXTalk chapter!!!
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22. Current state
OpenDBXDriver version 1.0 released.
OpenDBXDriver is working with most databases
and in most OS.
Glorp '7.7.1 - 19’ (distributed with VW 7.7.1)
ported to Pharo.
GlorpDBX is working with MySQL, Oracle,
PostgreSQL and SQLite3. Release: SOON.
DBXTools and DBXBrowser still in development.
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23. Future work
Continue developing DBXBrowser (port to
Glamour) and DBXTools.
Add more backends to GlorpDBX.
New website, documentation, continue PBE
chapter, etc.
Port OpenDBXDriver to GLASS?
Glorp ActiveRecord port?
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24. Showtime!
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25. Thanks!
Mariano Martinez Peck
marianopeck@gmail.com
http://marianopeck.wordpress.com/
Friday, August 26, 2011