Difference between revisions of "Module:CargoQuery/doc"

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===vardefine mode===
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===vardefine trick===
The <code>template</code> parameter can take a special value ''vardefine'', where instead of outputting a template output, it instead assigns every field's value to a variable named as the field name. In this mode, only the first result is honored, and the return-related parameters such as <code>|intro=</code>, <code>|outro=</code>, and <code>|delimiter=</code> will be ignored. The return value will be nil unless <code>|default=</code> is specified, which will still be used. For example the following are equivalent:
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There exists a [[Template:vardefine]] such that if it is passed in as the <code>template</code> parameter, the effect will be that every field's value is assigned to a variable named as the field name. '''Note:''' If multiple results are returned for a given query, due to the inherent behavior of #vardefine, the last result's values will override those of all the results that came before it.
<pre>
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When using this template, the default template output is empty, however output-affecting parameters such as <code>|intro=</code>, <code>|outro=</code>, and <code>|delimiter=</code> will still be included in the return value. As usual, if no results are found, <code>|default=</code> will also still be used as the output, and no variables will be assigned.
{{#invoke:CargoQuery|main
 
  |q?tables=Dragons
 
  |q?where=FullName="Ariel"
 
  |q?fields=ElementalType,Rarity,SkillName,
 
            CONCAT('File:',BaseId, ' 0', VariationId, ' portrait.png')=Portrait,_pageName=Link
 
  |?groupBy=_pageName
 
  |template=vardefine
 
}}
 
</pre>
 
<pre>
 
{{#vardefine:ElementalType|Wind}}
 
{{#vardefine:Rarity|5}}
 
{{#vardefine:SkillName|Cyclone Kick}}
 
{{#vardefine:Portrait|File:210116 01 portrait.png}}
 
{{#vardefine:Link|Ariel}}
 
</pre>
 
 
 
'''Warning''': like all <code>{{#vardefine}}</code> calls, if you attempt to assign an identical field name a second time on the same page, it will overwrite the initial value.
 
  
 
== Dependencies ==
 
== Dependencies ==
 
* [[Module:ProcessArgs]]
 
* [[Module:ProcessArgs]]
 
{{doc/end}}
 
{{doc/end}}

Latest revision as of 04:53, 12 April 2020

50px Documentation

This module lets you get around the |no html bug that Cargo has by avoiding |format=template.

To use, preface query arguments with q?. Even if you are only using one table, use |q?tables=. You may additionally specify |template= (required), |intro=, |outro=, |delimiter=, and |default=.

Use Lua names of all query parameters, so |q?join=, |q?groupBy, etc.

For simplicity of code, the named args parameter is required to be Yes, and you do not need to specify it.

Unlike |format=template, this wrapper will NOT rename parameters with underscores in them to use spaces instead.

Parameters & Invocation

{{#invoke:CargoQuery|main
|q?tables= 	corresponds to table / tables
|q?join= 	corresponds to join on
|q?fields= 	corresponds to fields
|q?where= 	corresponds to where
|q?groupBy= 	corresponds to group by
|q?having= 	corresponds to having
|q?orderBy= 	corresponds to order by
|q?limit= 	corresponds to limit
|template=
|intro=
|outro=
|delimiter=
|default=
}}

vardefine trick

There exists a Template:vardefine such that if it is passed in as the template parameter, the effect will be that every field's value is assigned to a variable named as the field name. Note: If multiple results are returned for a given query, due to the inherent behavior of #vardefine, the last result's values will override those of all the results that came before it. When using this template, the default template output is empty, however output-affecting parameters such as |intro=, |outro=, and |delimiter= will still be included in the return value. As usual, if no results are found, |default= will also still be used as the output, and no variables will be assigned.

Dependencies