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==How-To: Properties & Queries==
===Property Syntax===
====Adding properties to pages====
* Basic syntax: [[Example property::value]]
** How this looks on the page depends on the property's type. The default type is Page, which will display this the same as [[value]], i.e. the text 'value' which links to the wikipage 'value'.
** Properties with the Number type - very common on this wiki - will not add a link. They will just display as 'value'.
* Alternate display text: [[Example property::value|alt-text]]
** Displays as either [[value|alt-text]], for page links; or 'alt-text', for numbers.
* Set property without displaying anything: [[Example property::value| ]]
** The space is required.
If you add a property to a page, check that it's defined! If it isn't, the wiki will use the defaults, which are terrible. In this case you should create the property page yourself.
====Defining Properties====
Property is defined by special pages with the Property: prefix. For example, the "Beauty Base" property is defined by Property:Beauty_Base. At minimum a property page needs to define its type.
* Basic syntax: [[has property::type| ]]
** On this wiki the type should probably be either 'number' or 'page'.
** This is the exact same syntax as adding a property to a normal page. That's because has_type is also a property; it's a special built-in property.
* Helper template: {{Property with Page | page = Beauty | type = Number }}
** This sets the type and also displays See Beauty to link to the page that describes what this property is.
A property's page is also a wiki page, so you can add content to it as normal. It's fine to leave it blank.
===Query Syntax===
A query allows you to insert content, usually tables, which dynamically update based on data from other pages.
====Example====
Wiki code for the query:
 {{#ask:
[[Skill Base Factor::>0.4]]
[[Skill Bonus Factor::+]]
| ?Skill Base Factor# = Base
| ?Skill Bonus Factor# = Factor
| format = table
| limit = 100
| mainlabel = Stat
| sort = Skill Base Factor,Skill Bonus Factor
| order = desc,desc
}}
Wiki code on Mechanoid Disassembly Efficiency:
 [[Skill Base Factor::0.75|75%]] plus [[Skill Bonus Factor::0.025|2.5%]] per skill level.
(Similar wiki code is on the other pages.)
Query output:
Comments:
 {{#ask: // Begin a query.
// Everything up to the next | is the query term. This particular example returns pages which:
[[Skill Base Factor::>0.4]] // have the Skill_Base_Factor property, value is >0.4
[[Skill Bonus Factor::+]] // AND have the Skill_Bonus_Factor property, with any value
// Define columns to show. The first column is the page name.
| ?Skill Base Factor# = Base // The second column is the page's Skill_Base_Factor value, with heading 'Base'.
| ?Skill Bonus Factor# = Factor // The third column is Skill_Bonus_Factor, with heading 'Factor'
| mainlabel = Stat // The heading for the first column.
// Optional settings.
| format = table // This makes a fitted table. 'format = broadtable' makes a table as wide as the screen.
| limit = 100 // Maximum number of pages to return.
| sort = Skill Base Factor,Skill Bonus Factor // Sort by base factor, then bonus factor.
| order = desc,desc
}}
===MediaWiki references===
* Properties
* Query syntax
* Display syntax
* Result formats
* Special properties
Category:Help