Bobby Mitchell wrote:
> Antonio Gallardo Rivera wrote:
>
>> I am trying to start the example of mod-db using PostgreSQL.
>>
>> Currently, I have the autoincr, working, but the problem now is
>> inserting a new row in the table "groups" - the easier one ;).
>>
>> In the database.xml there is defined as:
>>
>> <table name="groups">
>> <keys>
>> <key name="gid" type="int" autoincrement="true">
>> <mode name="auto" type="autoincr"/>
>> </key>
>> </keys>
>> <values>
>> <value name="gname" type="string"/>
>> </values>
>> </table>
>>
>> Also....
>>
>> <table-set name="groups">
>> <table name="groups"/>
>> </table-set>
>>
>> In the userlist.xsp there is a form that handle the new-group action:
>>
>> <sqltblrow>
>> <gname>
>> <form>
>> <input type="text" name="groups.gname" size="20" maxsize="20"/>
>> <input type="submit" name="add-group" value="new group"/>
>> </form>
>> </gname>
>> </sqltblrow>
>>
>> But when I try to Add a new group, It cannot get the groups.gname
>> parameter. It store a null. In the sitemap.log I found the following:
>>
>> Current Sitemap Parameters:
>> LEVEL 2
>> PARAM: 'add-group' VALUE: 'new group'
>> PARAM: 'groups.gname' VALUE: 'wsqa'
>> LEVEL 1
>> PARAM: '../0' VALUE: 'user-list'
>> PARAM: '../1' VALUE: 'user-list'
>>
>> Thread-9/DefaultComponentFactory: ComponentFactory creating new
>> instance of org.apache.cocoon.acting.modular.DatabaseAddAction.
>> Thread-9/DefaultComponentFactory: no logger attribute available,
>> using standard logger
>>
>> Thread-9/AbstractComplementaryConfigurableAction: (Re)Loading
>> database.xml
>> Thread-9/DatabaseAction: modeTypes : {1=others, 2=attribute, 0=autoincr}
>> Thread-9/DatabaseAction: i=0
>> Thread-9/DatabaseAction: requested mode was "autoincr" returning
>> "autoincr"
>> Thread-9/DatabaseAction: i=1
>> Thread-9/DatabaseAction: requested mode was "others" returning "others"
>> Thread-9/DatabaseAction: query: INSERT INTO groups (gname) VALUES (?)
>> Thread-9/DatabaseAction: Trying to set column groups.gname from
>> request using getAttribute method
>> Thread-9/DatabaseAction: Setting column groups.gname [0] null
>> Thread-9/DatabaseAction: ====> row no. 0
>> Thread-9/DatabaseAddAction: Automatically setting key
>> Thread-9/DatabaseAction: Setting column groups.gname[0] to null
>> Thread-9/DatabaseAction: Could not select output mode attribute:null
>> Thread-9/DatabaseAction: Setting column groups.gid[0] to 10
>> Thread-9/DatabaseAction: Could not select output mode attribute:null
>> Thread-9/DatabaseAction: Could not select output mode attribute:null
>> Thread-9/DefaultComponentFactory: ComponentFactory decommissioning
>> instance of org.apache.cocoon.acting.modular.DatabaseAddAction.
>>
>> Also, the sitemap is:
>>
>> <!-- add own new group -->
>> <map:act type="req-params">
>> <map:parameter name="parameters" value="add-group
>> groups.gname"/>
>> <map:act type="mod-db-add">
>> <map:parameter name="table-set" value="groups"/>
>> </map:act>
>> </map:act>
>>
>>
>> Please help,
>>
>>
>
> Check the documentation at User Documentation/Actions/Database. Read
> closely the sections "How to obtain Values" and "How to store Values
> e.g. in your Session".
>
> It's not completely clear, but it helps. Here are some examples from
> what I have done so far. I hope they are right.
>
> 1. Declaration of the modular action in the sitemap:
> <map:action name="mod-db-add"
> src="org.apache.cocoon.acting.modular.DatabaseAddAction">
> <!-- <throw-exception>true</throw-exception> -->
> <!-- If this is set false, when the action fails it does not
> produce an error
> <input>request-parameter</input> <!--This input
> module has to be described in cocoon.xconf. -->
> <output>session-attribute</output>
> <!--Ditto for the output module-->
> </map:action>
> 2. Define <map:act/> in the sitemap:
> <map:act type="mod-db-add" src="optional src" >
> <map:parameter name="descriptor" value="database.xml"/>
> <map:parameter name="table-set" value="<"table-set
> value"/>
> <!-- You can also map parameters for the action, such
> as <map:parameter name="throw-exception" value="true"/> -->
> </map:act>
>
> Hope this helps.
Forgot a couple of things.
In the descriptor file:
<value name="ID" type="int">
<mode name="session-attribute"
parameter="org.apache.cocoon.components.modules.output.OutputModule:ID[0]"
type="attrib"/>
<!-- if others-mode=attrib, use this one -->
<mode name="request-parameter" parameter="ID" type="request"/>
<!-- if others-mode=request, use this one -->
<mode name="something" parameter="ID" type="all"/>
<!-- I don't care what others-mode is, always use this one -->
</value>
<mode name="request-parameter" parameter="PREFIX" type="request"
<table-set name="MAILLIST-upd">
<table name="NIAC_MAILLIST" others-mode="request"/>
</table-set>
Here others-mode request is saying "get the values from however I
defined type=request in the mode name".
Other values are: attrib - get values from attributes; session if
<input/> is session, request if <input/> is request. others -- I'm not
sure.
I could be absolutely wrong on this one, but it seems to work.
It would be really nice if we could list all combinations of values with
a short description(not too short) about what each setting accomplishes
and put it in the docs for the mod-db actions.
Bobby
>
>
>
>> Regards,
>>
>> Antonio Gallardo.
>>
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>
>
--
Robert J. (Bobby) Mitchell
Systems Administrator
NASA Institute for Advanced Concepts
555A 14th St Atlanta, Ga. 30318
Phone: (404)347-9633 Fax: (404)347-9638
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