Database:Documentation

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This is a running start at documenting the tables in the MySQL instances used on both grid and regions, and describing how they relate to each other in the context of an OpenSim grid.

SQLite is generally not apropriate for this use case and will not be covered here; however the table structures are very similar and most of what is here will be useful in that context as well.

Note that some of these tables may be artifacts, some may be planned for use, and some may see heavy use but have columns which are artifacts, not properly updated or not yet used at all. Alpha code FTW!! :D

-daTwitch aka Hiro Protagonist


The instances:

Grid:
 
agents
Records agent (Avatar/User) login details
assets
Comprehensive grid assets including textures and avatar inventories
avatarappearance
Persistence of the visual appearance of avatars between logins
inventoryfolders
Inventory folder-related details *excepting contents*
 Contents are in the inventoryitems table and point back to inventoryfolders
inventoryitems
All inventory item details (including folder associations) except contents - contents are referenced
 in the assets table
logs
Stores a record of logged events
logs_preTimestamp
Old format logs table?
migrationsSupports 'automagic' migration to new database formats
regionsRegions known to the grid
reservationsRegion registration table. This table has no rows on OSGrid and is likely in place for future functionality
userfriendsFriends list registration



Region:
 
estate_groups
Narrowly purposed at present. Appears to associate UUIDs under an Estate ID
estate_managers
Assoicates UUIDs with Estate ID
estate_map
Associates Regions with Estates By Estate ID
estate_settings
Settings for Estates
estate_users
Users allowed on the Estate
estateban
Users banned from the Estate
land
Parcel Properties
landaccesslist
Parcel Access List
migrations
Supports 'automagic' upgrade to new database formats
primitems
prims
All rezzed prim details *excepting shape and contents*
primshapes
Properties of all rezzed prims
regionban
Per-Region ban list
regionsettings
Per-Region settings
terrain
Terrain mesh revision history
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