georaptor for oracle sql developer
TRANSCRIPT
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GeoRaptor For Oracle SQL Developer
(A Muggle's Tale)
Simon Greener www.spatialdbadvisor.com.au
Holder of "2011 Oracle Spatial Excellence Award for Education and Research."
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But what is GeoRaptor?FOSS “Spatial” Extension for Oracle's free (not
OSS) SQL Developer (SQLD)SQLD is “graphical tool for database development”
Open Source Alternatives to SQL Developer
SQuirreL, SQLWorkbench etc IT IS NOT A GIS!
Allows database users/developers/DBAs to:Administer Manage MetadataConfigure
…. SQL based solutions for Oracle's spatial data type SDO_GEOMETRY.
Visualise (map)Import/ExportDevelop........
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GeoRaptor Screen shots...
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GeoRaptor Screen Shots …
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GeoRaptor Screen Shots...
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GeoRaptor Screen Shots...
Type Colouring
Ad-Hoc Queries
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GeoRaptor Screen Shots...
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GeoRaptor Screen Shots...Table/ResultSet Context Menu
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GeoRaptor Screen Shots...
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History...Created by Matic Petek around 6 years ago
First spatial extension for SQL Developer 1.0SQL Developer 1.0 beta name “Raptor” --> “GeoRaptor”SourceForge Project
SQL Developer 1.1 Extension API changes (see later) made GeoRaptor fail in some situations.
Matic Petek requested to correct the extension Matic has disappeared & cannot be found.Fragility of “Heroic Programming” approach?
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History...
SQL Developer / Database developers like myself wanted GeoRaptor to succeed.
3+ years access to access SourceForge account!2 years on & GeoRaptor has undergone
enormous change.We are proud of what we have achieved.
But is it a success?Is it sustainable?
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Five aspects of OS project contribute to sustainable success...
Host ApplicationApproach or PhilosophyDevelopment EnvironmentProject CommunityUsers
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Host ApplicationSQL Developer
100% Java basedFree NOT Open Source Software.Supports JDeveloper (and Eclipse)Built using JDeveloper Extension SDK Third party developer support:
User documentation exists but ...No mailing list, forum, IRC etc.
e.g., API changes discovered “by accident”
No documentation No Javadoc for core SQL Developer APISome “Mickey Mouse” JDev extension samples.
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Host Application....QuestionsGiven Oracle's SQL Developer Support Issues:
What are the real aims of the Extension API?How can one charge for an Extension when Host is
Free (marketing not licensing issue)?Does Oracle see successful Extensions as part of
their success through:Increasing sales?Improving user efficiency & effectiveness?
Oracle with last SQL Developer released own Spatial extension!
Didn't bother to inform us!
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Host Application....QuestionsHow does SQL Developer help GeoRaptor's success?GeoRaptor's success criteria:
The end user spatial extension for SQL DeveloperCompeting Oracle extension creates issues and
opportunitiesProductive end users (feedback)?
Some users want non-Oracle database supportHowever, “SQL Developer supports migrating 3rd party
databases to Oracle”(tinyurl.com/2a2jehd)
PostgreSQL (hence PostGIS) not supported!Some colleagues have askedfor us to develop for TOAD!!!!
Should be PgAdmin III Plugin
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Approach / Philosophy
Approach:To “spatially enable” an existing dedicated Oracle
database management tool;Not build an extension for an independent GIS
GIS & GIS Tools are for a narrow vertical market.Not right tools for data management.
Oracle SQL Developer chosen by MaticBest tool for Oracle databasesFully supported by GeoRaptor team.With hind-sight, would we make the same choice?
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Approach / Philosophy
Collaborative:To develop a tool that was useful to us (experts)
that we felt would be useful to others.With feedback/suggestions from key users.
Once a base-load of functionality was deliveredRespond to end-user needs and requirements;
Use best OS tools for job not just Oracle'sFlexible delivery of functionality outside Oracle
release cycles;Yet open to working with Oracle Spatial team.
Emergence of Oracle's own extension...
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Approach / Philosophy
Oracle's Spatial Extension Released with SQL Developer 3.0;Functionality limited;No end user/GeoRaptor involvement eg surveysStated aim for later versions:
To match all that GeoRaptor does.Hinted at making extension open source...
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Approach / Philosophy
We have approached Oracle Spatial team many times:Comprehensive questions and issues put on the tableOutlined a collaboration framework based on their extension.Promised meetings never kept.No feedback from emails received.
Our Response?Keep talking/hoping?Embrace and Extend their extension regardless?Remain completely independent?Give up?Move to another host?
Is this Schumpeter's“creative destruction”?
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Approach / Philosophy
GeoRaptor team did not set out to be a funded project or make money....
… for Oracle (via sales)Clash with Oracle philosophy?
… for ourselves?“Build it and they will come” naivety?
Lack of funding challenges GeoRaptor's long term sustainability:
Development takes a lot of time and effort.Need to find willing $ paying sponsors for development.
How do this (see later)
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Development EnvironmentGeoRaptor written using JDeveloper IDE (Java 1.6+)
Core Java API documentation accessible;SQL Developer's APIs not documented eg ....
oracle.sqldeveloper.utils.jaroracle.sqldeveloper.jaroracle.sqldeveloper.snippet.jaroracle.sqldeveloper.worksheet.jaretc
Complex UI mainly done using NetBeans.Uses external open source libraries:
Java Topology Suite (jts-1.11.jar)Dbase Java library (xBaseJMicro.jar)GeoTools (limited source Java classes)
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Development Environment
Multiple SQL Developer versionsSmall but significant unannounced API changesLack of conditional compilation in Java (pain)
Multiple Database VersionsMultiple database JVM versions (JVM 1.4 – 1.5) not
issue as no components deployed to DB.Multiple NLS settings
Source code under Subversion control on SourceForge.
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Project Community...
A successful project needs:Multilingual Developers with access to multiple NLS
databases, clients etc;Testers: Both programmatic/harness and end-user;Release Manager;SourceForge Website Administrator
Checking bug and enhancement requests;Managing forums, email lists etc.
Multilingual DocumentorsEnd User Coordinator
Questionnaires, Oracle Spatial Forum presence, Outreach
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Project Community...
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Project Community ..We face normal issues of any project team
where no funding is involved or the work is not “core business”.
We develop when we can or are allowed.Need more personnel or more funding.
We are doing too much with too little.We need:
An additional “full-time” principal developerEnd user documentation...End user coordinator...
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Users12,153 downloads over 2 yearsBut are these regular users?How contact them re betas, future, joining team?
Two Years
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User Contact...4 Posts in last
12 months!!
Always low replies.
One Year
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Users...Most contact is by word of mouth with and through
colleagues.Of enormous concern that we don't have any useful end
user contact or involvement through more anonymous channels.
We can't deliver a great tool without their input.Car 54 Where Are You?
Are they silent users who just take & don't give?No one ever respected what they got for nothing?
Or are we doing a brilliant job with no issues?As if!
Suggestions for improvement by attendees welcomed!
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Summary
Even without Oracle competition we are at crossroads.
Success will be determined by our “competitive advantage” but ...
This requires substantive and meaningful engagement with users.
Chicken or Egg e.g., documentation is key to successful use but have no-one to do writing!
If can improve engagement then:Funds may flow.GeoRaptor will have a future....