H2 database control: Difference between revisions
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imported>Blacklads Undo revision 11683 by Ufizavipupu (Talk) |
imported>AntumDeluge →Connecting to the H2 Database: side-by-side connections |
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== Connecting to the H2 Database == |
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<del> |
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Make sure the game server is '''not running''' (using '''CTRL+c''' at the server command window). Otherwise you'll get this error later: |
Make sure the game server is '''not running''' (using '''CTRL+c''' at the server command window). Otherwise you'll get this error later: |
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[[File:H2dbGuide001.png]] |
[[File:H2dbGuide001.png]] |
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</del> |
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In order to access the database while server is running, "AUTO_SERVER=TRUE" must be added to the "jdbc_url" line in <code>server.ini</code>. |
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Open a command window as explained above. |
Open a command window as explained above. |
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[[File:H2dbGuide002.png]] |
[[File:H2dbGuide002.png]] |
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Alternatively, you can see it with any other web browser by entering the following URL: |
'''Alternatively,''' you can see it with any other web browser by entering the following URL: |
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http://localhost:8082/ |
http://localhost:8082/ |
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Don't connect yet as you need to set the ... |
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===Configuration parameters=== |
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At the ''URL JDBC:'' text field, copy and paste this: |
At the ''URL JDBC:'' text field, copy and paste this: |
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[[File:H2dbGuide003.png]] |
[[File:H2dbGuide003.png]] |
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Note (if your server files are not in ~/stendhal): By default, the server.ini configuration file defines the H2 database directory as "~/stendhal/database/". Unless, you have edited the server.ini file, this is where your database resides regardless of from what directory you are running the server. |
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Make sure the ''Username'' and ''Password'' fields are empty: |
Make sure the ''Username'' and ''Password'' fields are empty: |
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Now you should have been given access to the game database. |
Now you should have been given access to the game database. |
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==Exploring the H2 database== |
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For starters, you can see the accounts in the database by clicking on the ACCOUNT table name on the left graphical tree: |
For starters, you can see the accounts in the database by clicking on the ACCOUNT table name on the left graphical tree: |
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[[File:H2dbGuide009.png]] |
[[File:H2dbGuide009.png]] |
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Feel free to experiment from here on. :) |
Feel free to experiment from here on. :) Anything other than a SELECT should be used with caution on production environments! |
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For a list of H2 commands see http://www.h2database.com/html/grammar.html |
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== Stop the H2 database == |
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To stop the database engine use the same method as with the game server: type '''CTRL+c''' at the command window. |
To stop the database engine use the same method as with the game server: type '''CTRL+c''' at the command window. |
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== Backup the H2 database == |
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You can copy the files in ~/stendhal/database but the server must be '''stopped'''. |
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Otherwise from within the h2 environment, as above, use command |
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BACKUP to 'file.zip' |
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