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https://issues.apache.org/jira/browse/SOLR-4374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qun Wang updated SOLR-4374:
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Labels: field name numeric search (was: )
> Solr could not support numeric field name in return
> ---------------------------------------------------
>
> Key: SOLR-4374
> URL: https://issues.apache.org/jira/browse/SOLR-4374
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 4.0
> Reporter: Qun Wang
> Labels: field, name, numeric, search
> Fix For: 4.1.1
>
>
> When using numeric field name in schema.xml, like {code:xml}<field
> name="1001" type="string"...>{code}, it could not be fetched the specific
> field name by parameter 'fl' from Solr.
> such as 'http://localhost:8983/solr/query?q=1001:test&fl=1001', the response
> would be like: '"docs""[{"1001":1001,...},...]'
> In org.apache.solr.search.ReturnFields.java, it seems this code limited field
> name defination could not be pure numbers:
> {code:title=org.apache.solr.search.ReturnFields.java|borderStyle=solid}
> // like getId, but also accepts dashes for legacy fields
> String getFieldName(QueryParsing.StrParser sp) {
> sp.eatws();
> int id_start = sp.pos;
> char ch;
> if (sp.pos < sp.end && (ch = sp.val.charAt(sp.pos)) != '$' &&
> Character.isJavaIdentifierStart(ch)) {
> sp.pos++;
> while (sp.pos < sp.end) {
> ch = sp.val.charAt(sp.pos);
> if (!Character.isJavaIdentifierPart(ch) && ch != '.' && ch != '-') {
> break;
> }
> sp.pos++;
> }
> return sp.val.substring(id_start, sp.pos);
> }
> return null;
> }
> {code}
> Could we replace or remove this check of Character.isJavaIdentifierStart(ch)
> for allowing numeric field name defination?
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