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searchstate:addrangeconstraint

Adds a range constraint to a searchstate on a specific attribute.

Syntax

<searchstate:addrangeconstraint
      name="ssname" 
      [bucket="bucketname"]
      [typename="assettype"] 
      attribute="attribname"
      lower="lowrange"
      upper="uprange"]/> 

Parameters

name (required)

Input parameter. Name of an object representing a searchstate.

bucket (optional)

Input parameter. Bucket name. If not specified, the attribute name is used. Use this parameter to indicate which constraint you need when the same attribute is used in multiple contstraints. A bucket is an alias and functions similar to an inner join in SQL; when you have multiple tables that have columns of the same name, you must specify the table name to indicate which column you are requesting.

typename (optional)

Input parameter. Internal asset type name for the attribute (either CAttributes for content attribute, or PAttributes for product attribute). If you do not specify TYPENAME, a default value is picked up from a property in the gator.ini property file: mwb.defaultattributes. The default value is set to be PAttributes and may be changed to be the name of any custom attribute asset types you create.

attribute (required)

Input parameter. Name of the attribute to constrain.

lower | lowerequal (required)

Input parameter. Bottom end of the range. Specify either this parameter or upper or both.

upper | upperequal (required)

Input parameter. Top end of the range. Specify either this parameter or lower or both.

Description

The searchstate object referred to by name is updated to include the new constraint specified by this tag. This constraint specifies the upper and lower limits on the attribute being searched on.

Error Numbers

The possible values of errno include:

Value	Description
-10004	A required parameter is missing.
-13050	General error.

Example

This code creates an empty searchstate and adds a range constraint. The constraint sets upper and lower limits on the attribute being searched on. The typename parameter is not specified and the default set in gator.ini is picked up. Any assets with values for this attribute in that range will be returned as matches for this constraint. This code then sets this searchstate into an assetset:setsearchedassets tag to constrain the assetset to be used when searching with other assetset tags. The last tag uses this constrained assetset to search for matching assets and fetch a list of actual values for the attribute of the returned assets:

<searchstate:create name="ss" />
<searchstate:addrangeconstraint name="ss" attribute="price" upper="3" lowerequal="2"/>
<assetset:setsearchedassets name="as" constraint="ss" assettypes="Products"/>
<assetset:getattributevalues name="as" attribute="price" listvarname="resultlist"/>
<ics:listloop listname="resultlist">
<ics:listget listname="resultlist" fieldname="value"/><br/>
</ics:listloop>

See Also

searchstate:create
searchstate:addsimplestandardconstraint
searchstate:addrichtextconstraint
assetset:setsearchedassets
assetset:getattributevalues

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