| <?xml version="1.0" encoding="UTF-8" ?> |
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| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
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| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| limitations under the License. |
| --> |
| <!-- |
| Description: This document contains Solr 4.x schema definition to |
| be used with Solr integration currently build into Nutch. |
| This schema is not minimal, there are some useful field type definitions left, |
| and the set of fields and their flags (indexed/stored/term vectors) can be |
| further optimized depending on needs. See |
| http://svn.apache.org/viewvc/lucene/dev/trunk/solr/example/solr/conf/schema.xml?view=markup |
| for more info. |
| --> |
| |
| <schema name="nutch" version="1.5"> |
| |
| <types> |
| |
| <!-- The StrField type is not analyzed, but indexed/stored verbatim. --> |
| <fieldType name="string" class="solr.StrField" sortMissingLast="true" omitNorms="true"/> |
| |
| <fieldtype name="binary" class="solr.BinaryField"/> |
| |
| <!-- |
| Default numeric field types. For faster range queries, consider the tint/tfloat/tlong/tdouble types. |
| --> |
| <fieldType name="int" class="solr.TrieIntField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/> |
| <fieldType name="float" class="solr.TrieFloatField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/> |
| <fieldType name="long" class="solr.TrieLongField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/> |
| <fieldType name="double" class="solr.TrieDoubleField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/> |
| |
| <!-- |
| Numeric field types that index each value at various levels of precision |
| to accelerate range queries when the number of values between the range |
| endpoints is large. See the javadoc for NumericRangeQuery for internal |
| implementation details. |
| |
| Smaller precisionStep values (specified in bits) will lead to more tokens |
| indexed per value, slightly larger index size, and faster range queries. |
| A precisionStep of 0 disables indexing at different precision levels. |
| --> |
| <fieldType name="tint" class="solr.TrieIntField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/> |
| <fieldType name="tfloat" class="solr.TrieFloatField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/> |
| <fieldType name="tlong" class="solr.TrieLongField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/> |
| <fieldType name="tdouble" class="solr.TrieDoubleField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/> |
| |
| <!-- The format for this date field is of the form 1995-12-31T23:59:59Z, and |
| is a more restricted form of the canonical representation of dateTime |
| http://www.w3.org/TR/xmlschema-2/#dateTime |
| The trailing "Z" designates UTC time and is mandatory. |
| Optional fractional seconds are allowed: 1995-12-31T23:59:59.999Z |
| All other components are mandatory. |
| |
| Expressions can also be used to denote calculations that should be |
| performed relative to "NOW" to determine the value, ie... |
| |
| NOW/HOUR |
| ... Round to the start of the current hour |
| NOW-1DAY |
| ... Exactly 1 day prior to now |
| NOW/DAY+6MONTHS+3DAYS |
| ... 6 months and 3 days in the future from the start of |
| the current day |
| |
| Consult the DateField javadocs for more information. |
| |
| Note: For faster range queries, consider the tdate type |
| --> |
| <fieldType name="date" class="solr.TrieDateField" omitNorms="true" precisionStep="0" positionIncrementGap="0"/> |
| |
| <!-- A Trie based date field for faster date range queries and date faceting. --> |
| <fieldType name="tdate" class="solr.TrieDateField" omitNorms="true" precisionStep="6" positionIncrementGap="0"/> |
| |
| |
| <!-- solr.TextField allows the specification of custom text analyzers |
| specified as a tokenizer and a list of token filters. Different |
| analyzers may be specified for indexing and querying. |
| |
| The optional positionIncrementGap puts space between multiple fields of |
| this type on the same document, with the purpose of preventing false phrase |
| matching across fields. |
| |
| For more info on customizing your analyzer chain, please see |
| http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters |
| --> |
| |
| <!-- A general text field that has reasonable, generic |
| cross-language defaults: it tokenizes with StandardTokenizer, |
| removes stop words from case-insensitive "stopwords.txt" |
| (empty by default), and down cases. At query time only, it |
| also applies synonyms. --> |
| <fieldType name="text_general" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer type="index"> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt" enablePositionIncrements="true" /> |
| <!-- in this example, we will only use synonyms at query time |
| <filter class="solr.SynonymFilterFactory" synonyms="index_synonyms.txt" ignoreCase="true" expand="false"/> |
| --> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| </analyzer> |
| <analyzer type="query"> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt" enablePositionIncrements="true" /> |
| <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| </analyzer> |
| </fieldType> |
| |
| <!-- A text field with defaults appropriate for English: it |
| tokenizes with StandardTokenizer, removes English stop words |
| (stopwords.txt), down cases, protects words from protwords.txt, and |
| finally applies Porter's stemming. The query time analyzer |
| also applies synonyms from synonyms.txt. --> |
| <fieldType name="text_en" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer type="index"> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <!-- in this example, we will only use synonyms at query time |
| <filter class="solr.SynonymFilterFactory" synonyms="index_synonyms.txt" ignoreCase="true" expand="false"/> |
| --> |
| <!-- Case insensitive stop word removal. |
| add enablePositionIncrements=true in both the index and query |
| analyzers to leave a 'gap' for more accurate phrase queries. |
| --> |
| <filter class="solr.StopFilterFactory" |
| ignoreCase="true" |
| words="stopwords.txt" |
| enablePositionIncrements="true" |
| /> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.EnglishPossessiveFilterFactory"/> |
| <filter class="solr.KeywordMarkerFilterFactory" protected="protwords.txt"/> |
| <!-- Optionally you may want to use this less aggressive stemmer instead of PorterStemFilterFactory: |
| <filter class="solr.EnglishMinimalStemFilterFactory"/> |
| --> |
| <filter class="solr.PorterStemFilterFactory"/> |
| </analyzer> |
| <analyzer type="query"> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/> |
| <filter class="solr.StopFilterFactory" |
| ignoreCase="true" |
| words="stopwords.txt" |
| enablePositionIncrements="true" |
| /> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.EnglishPossessiveFilterFactory"/> |
| <filter class="solr.KeywordMarkerFilterFactory" protected="protwords.txt"/> |
| <!-- Optionally you may want to use this less aggressive stemmer instead of PorterStemFilterFactory: |
| <filter class="solr.EnglishMinimalStemFilterFactory"/> |
| --> |
| <filter class="solr.PorterStemFilterFactory"/> |
| </analyzer> |
| </fieldType> |
| |
| <!-- A text field with defaults appropriate for English, plus |
| aggressive word-splitting and autophrase features enabled. |
| This field is just like text_en, except it adds |
| WordDelimiterFilter to enable splitting and matching of |
| words on case-change, alpha numeric boundaries, and |
| non-alphanumeric chars. This means certain compound word |
| cases will work, for example query "wi fi" will match |
| document "WiFi" or "wi-fi". However, other cases will still |
| not match, for example if the query is "wifi" and the |
| document is "wi fi" or if the query is "wi-fi" and the |
| document is "wifi". |
| --> |
| <fieldType name="text_en_splitting" class="solr.TextField" positionIncrementGap="100" autoGeneratePhraseQueries="true"> |
| <analyzer type="index"> |
| <tokenizer class="solr.WhitespaceTokenizerFactory"/> |
| <!-- in this example, we will only use synonyms at query time |
| <filter class="solr.SynonymFilterFactory" synonyms="index_synonyms.txt" ignoreCase="true" expand="false"/> |
| --> |
| <!-- Case insensitive stop word removal. |
| add enablePositionIncrements=true in both the index and query |
| analyzers to leave a 'gap' for more accurate phrase queries. |
| --> |
| <filter class="solr.StopFilterFactory" |
| ignoreCase="true" |
| words="stopwords.txt" |
| enablePositionIncrements="true" |
| /> |
| <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="0" splitOnCaseChange="1"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.KeywordMarkerFilterFactory" protected="protwords.txt"/> |
| <filter class="solr.PorterStemFilterFactory"/> |
| </analyzer> |
| <analyzer type="query"> |
| <tokenizer class="solr.WhitespaceTokenizerFactory"/> |
| <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/> |
| <filter class="solr.StopFilterFactory" |
| ignoreCase="true" |
| words="stopwords.txt" |
| enablePositionIncrements="true" |
| /> |
| <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0" splitOnCaseChange="1"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.KeywordMarkerFilterFactory" protected="protwords.txt"/> |
| <filter class="solr.PorterStemFilterFactory"/> |
| </analyzer> |
| </fieldType> |
| |
| <!-- Less flexible matching, but less false matches. Probably not ideal for product names, |
| but may be good for SKUs. Can insert dashes in the wrong place and still match. --> |
| <fieldType name="text_en_splitting_tight" class="solr.TextField" positionIncrementGap="100" autoGeneratePhraseQueries="true"> |
| <analyzer> |
| <tokenizer class="solr.WhitespaceTokenizerFactory"/> |
| <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="false"/> |
| <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt"/> |
| <filter class="solr.WordDelimiterFilterFactory" generateWordParts="0" generateNumberParts="0" catenateWords="1" catenateNumbers="1" catenateAll="0"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.KeywordMarkerFilterFactory" protected="protwords.txt"/> |
| <filter class="solr.EnglishMinimalStemFilterFactory"/> |
| <!-- this filter can remove any duplicate tokens that appear at the same position - sometimes |
| possible with WordDelimiterFilter in conjuncton with stemming. --> |
| <filter class="solr.RemoveDuplicatesTokenFilterFactory"/> |
| </analyzer> |
| </fieldType> |
| |
| <!-- Just like text_general except it reverses the characters of |
| each token, to enable more efficient leading wildcard queries. --> |
| <fieldType name="text_general_rev" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer type="index"> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt" enablePositionIncrements="true" /> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.ReversedWildcardFilterFactory" withOriginal="true" |
| maxPosAsterisk="3" maxPosQuestion="2" maxFractionAsterisk="0.33"/> |
| </analyzer> |
| <analyzer type="query"> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/> |
| <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt" enablePositionIncrements="true" /> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| </analyzer> |
| </fieldType> |
| |
| <fieldtype name="phonetic" stored="false" indexed="true" class="solr.TextField" > |
| <analyzer> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.DoubleMetaphoneFilterFactory" inject="false"/> |
| </analyzer> |
| </fieldtype> |
| |
| <fieldtype name="payloads" stored="false" indexed="true" class="solr.TextField" > |
| <analyzer> |
| <tokenizer class="solr.WhitespaceTokenizerFactory"/> |
| <!-- |
| The DelimitedPayloadTokenFilter can put payloads on tokens... for example, |
| a token of "foo|1.4" would be indexed as "foo" with a payload of 1.4f |
| Attributes of the DelimitedPayloadTokenFilterFactory : |
| "delimiter" - a one character delimiter. Default is | (pipe) |
| "encoder" - how to encode the following value into a playload |
| float -> org.apache.lucene.analysis.payloads.FloatEncoder, |
| integer -> o.a.l.a.p.IntegerEncoder |
| identity -> o.a.l.a.p.IdentityEncoder |
| Fully Qualified class name implementing PayloadEncoder, Encoder must have a no arg constructor. |
| --> |
| <filter class="solr.DelimitedPayloadTokenFilterFactory" encoder="float"/> |
| </analyzer> |
| </fieldtype> |
| |
| <!-- lowercases the entire field value, keeping it as a single token. --> |
| <fieldType name="lowercase" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer> |
| <tokenizer class="solr.KeywordTokenizerFactory"/> |
| <filter class="solr.LowerCaseFilterFactory" /> |
| </analyzer> |
| </fieldType> |
| |
| <fieldType name="url" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1"/> |
| </analyzer> |
| </fieldType> |
| |
| |
| <fieldType name="text_path" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer> |
| <tokenizer class="solr.PathHierarchyTokenizerFactory"/> |
| </analyzer> |
| </fieldType> |
| |
| <!-- since fields of this type are by default not stored or indexed, |
| any data added to them will be ignored outright. --> |
| <fieldtype name="ignored" stored="false" indexed="false" multiValued="true" class="solr.StrField" /> |
| |
| </types> |
| |
| <fields> |
| <!-- This field is used internally by Solr, for example by features |
| like partial update functionality and update log. It is NOT required |
| if updateLog is turned off in your updateHandler, however it is advised |
| to include it as performance improvements are minimal. --> |
| <field name="_version_" type="long" indexed="true" stored="true"/> |
| |
| <field name="id" type="string" stored="true" indexed="true" required="true"/> |
| |
| <!-- core fields --> |
| <field name="batchId" type="string" stored="true" indexed="false"/> |
| <field name="digest" type="string" stored="true" indexed="false"/> |
| <field name="boost" type="float" stored="true" indexed="false"/> |
| |
| <!-- fields for index-basic plugin --> |
| <field name="host" type="url" stored="false" indexed="true"/> |
| <field name="url" type="url" stored="true" indexed="true"/> |
| <!-- stored=true for highlighting, use term vectors and positions for fast highlighting --> |
| <field name="content" type="text_general" stored="true" indexed="true"/> |
| <field name="title" type="text_general" stored="true" indexed="true" multiValued="true"/> |
| <field name="cache" type="string" stored="true" indexed="false"/> |
| <field name="tstamp" type="date" stored="true" indexed="false"/> |
| |
| <!-- catch-all field --> |
| <field name="text" type="text_general" stored="false" indexed="true" multiValued="true"/> |
| |
| <!-- fields for index-anchor plugin --> |
| <field name="anchor" type="text_general" stored="true" indexed="true" |
| multiValued="true"/> |
| |
| <!-- fields for index-more plugin --> |
| <field name="type" type="string" stored="true" indexed="true" multiValued="true"/> |
| <field name="contentLength" type="string" stored="true" indexed="false"/> |
| <field name="lastModified" type="date" stored="true" indexed="false"/> |
| <field name="date" type="tdate" stored="true" indexed="true"/> |
| |
| <!-- fields for index-metadata plugin --> |
| <dynamicField name="meta_*" type="string" stored="true" indexed="true"/> |
| |
| <!-- fields for languageidentifier plugin --> |
| <field name="lang" type="string" stored="true" indexed="true"/> |
| |
| <!-- fields for subcollection plugin --> |
| <field name="subcollection" type="string" stored="true" indexed="true" multiValued="true"/> |
| |
| <!-- fields for feed plugin (tag is also used by microformats-reltag)--> |
| <field name="author" type="string" stored="true" indexed="true"/> |
| <field name="tag" type="string" stored="true" indexed="true" multiValued="true"/> |
| <field name="feed" type="string" stored="true" indexed="true"/> |
| <field name="publishedDate" type="date" stored="true" indexed="true"/> |
| <field name="updatedDate" type="date" stored="true" indexed="true"/> |
| |
| <!-- fields for creativecommons plugin --> |
| <field name="cc" type="string" stored="true" indexed="true" multiValued="true"/> |
| |
| <!-- fields for tld plugin --> |
| <field name="tld" type="string" stored="false" indexed="false"/> |
| |
| <!-- fields for index-html plugin |
| Note: although raw document content may be binary, |
| index-html adds a String to the index field --> |
| <field name="rawcontent" type="string" stored="true" indexed="false"/> |
| |
| </fields> |
| <uniqueKey>id</uniqueKey> |
| <defaultSearchField>text</defaultSearchField> |
| <solrQueryParser defaultOperator="OR"/> |
| |
| <!-- copyField commands copy one field to another at the time a document |
| is added to the index. It's used either to index the same field differently, |
| or to add multiple fields to the same field for easier/faster searching. --> |
| |
| <copyField source="content" dest="text"/> |
| <copyField source="url" dest="text"/> |
| <copyField source="title" dest="text"/> |
| <copyField source="anchor" dest="text"/> |
| <copyField source="author" dest="text"/> |
| |
| </schema> |
