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https://issues.apache.org/jira/browse/SOLR-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106821#comment-14106821
]
Kuntal Ganguly commented on SOLR-3191:
--------------------------------------
I modify the code to support inbuilt alias transformer as well as custom
transformer:
Modify the method:
/**
* Logic to handle Custom as well as inbuilt Doc Transformer.
*
*/
void onTransformer(final StringBuilder expressionBuffer, final
SolrQueryRequest request, final DocTransformers augmenters)
throws SyntaxError {
if(expressionBuffer!=null){
String fl_Content=expressionBuffer.toString();
if(fl_Content.contains("[") && fl_Content.contains("]")){
if(fl_Content.indexOf("[")==0){
//Logic to Parse Custom Transformers
final Map<String,String> augmenterCustomArgs
= new HashMap<String,String>();
QueryParsing.parseLocalParams(expressionBuffer.toString(), 0,
augmenterCustomArgs, request.getParams(), "[", CLOSE_BRACKET);
final String augmenterCustomName =
augmenterCustomArgs.remove("type");
final String
customDisp='['+augmenterCustomName+']';
final TransformerFactory customFactory =
request.getCore().getTransformerFactory(augmenterCustomName);
if( customFactory != null ) {
MapSolrParams augmenterCustomParams = new
MapSolrParams( augmenterCustomArgs );
augmenters.addTransformer(
customFactory.create(customDisp, augmenterCustomParams, request) );
}
}else if(fl_Content.indexOf("[")>0 &&
fl_Content.contains(":[")){
//Logic to Parse In_Built Transformers
final String alias =
getExpressionAlias(expressionBuffer);
final String transfomerExpression =
getExpressionValue(expressionBuffer);
final Map<String,String> augmenterArgs = new
HashMap<String,String>();
QueryParsing.parseLocalParams(transfomerExpression,
0, augmenterArgs, request.getParams(), "[", CLOSE_BRACKET);
final String augmenterName =
augmenterArgs.remove("type");
final String aliasThatWillBeUsed = (alias != null)
? alias : OPEN_BRACKET + augmenterName + CLOSE_BRACKET;
final TransformerFactory factory =
request.getCore().getTransformerFactory(augmenterName);
if (factory != null) {
augmenters.addTransformer(factory.create(aliasThatWillBeUsed, new
MapSolrParams(augmenterArgs), request));
onInclusionLiteralExpression(expressionBuffer,
augmenters, false, false);
}
}
}
}
}
> field exclusion from fl
> -----------------------
>
> Key: SOLR-3191
> URL: https://issues.apache.org/jira/browse/SOLR-3191
> Project: Solr
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Priority: Minor
> Attachments: SOLR-3191.patch, SOLR-3191.patch
>
>
> I think it would be useful to add a way to exclude field from the Solr
> response. If I have for example 100 stored fields and I want to return all of
> them but one, it would be handy to list just the field I want to exclude
> instead of the 99 fields for inclusion through fl.
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