1 <?xml version="1.0" encoding="UTF-8" ?>
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3 Licensed to the Apache Software Foundation (ASF) under one or more
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4 contributor license agreements. See the NOTICE file distributed with
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5 this work for additional information regarding copyright ownership.
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6 The ASF licenses this file to You under the Apache License, Version 2.0
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7 (the "License"); you may not use this file except in compliance with
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8 the License. You may obtain a copy of the License at
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10 http://www.apache.org/licenses/LICENSE-2.0
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12 Unless required by applicable law or agreed to in writing, software
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13 distributed under the License is distributed on an "AS IS" BASIS,
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14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 See the License for the specific language governing permissions and
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16 limitations under the License.
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20 This is the Solr schema file. This file should be named "schema.xml" and
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21 should be in the conf directory under the solr home
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22 (i.e. ./solr/conf/schema.xml by default)
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23 or located where the classloader for the Solr webapp can find it.
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25 This example schema is the recommended starting point for users.
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26 It should be kept correct and concise, usable out-of-the-box.
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28 For more information, on how to customize this file, please see
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29 http://wiki.apache.org/solr/SchemaXml
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31 PERFORMANCE NOTE: this schema includes many optional features and should not
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32 be used for benchmarking. To improve performance one could
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33 - set stored="false" for all fields possible (esp large fields) when you
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34 only need to search on the field but don't need to return the original
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36 - set indexed="false" if you don't need to search on the field, but only
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37 return the field as a result of searching on other indexed fields.
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38 - remove all unneeded copyField statements
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39 - for best index size and searching performance, set "index" to false
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40 for all general text fields, use copyField to copy them to the
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41 catchall "text" field, and use that for searching.
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42 - For maximum indexing performance, use the StreamingUpdateSolrServer
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44 - Remember to run the JVM in server mode, and use a higher logging level
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45 that avoids logging every request
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48 <schema name="example" version="1.2">
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49 <!-- attribute "name" is the name of this schema and is only used for display purposes.
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50 Applications should change this to reflect the nature of the search collection.
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51 version="1.2" is Solr's version number for the schema syntax and semantics. It should
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52 not normally be changed by applications.
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53 1.0: multiValued attribute did not exist, all fields are multiValued by nature
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54 1.1: multiValued attribute introduced, false by default
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55 1.2: omitTermFreqAndPositions attribute introduced, true by default except for text fields.
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59 <!-- field type definitions. The "name" attribute is
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60 just a label to be used by field definitions. The "class"
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61 attribute and any other attributes determine the real
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62 behavior of the fieldType.
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63 Class names starting with "solr" refer to java classes in the
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64 org.apache.solr.analysis package.
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67 <!-- The StrField type is not analyzed, but indexed/stored verbatim.
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68 - StrField and TextField support an optional compressThreshold which
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69 limits compression (if enabled in the derived fields) to values which
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70 exceed a certain size (in characters).
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72 <fieldType name="string" class="solr.StrField" sortMissingLast="true" omitNorms="true"/>
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74 <!-- boolean type: "true" or "false" -->
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75 <fieldType name="boolean" class="solr.BoolField" sortMissingLast="true" omitNorms="true"/>
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76 <!--Binary data type. The data should be sent/retrieved in as Base64 encoded Strings -->
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77 <fieldtype name="binary" class="solr.BinaryField"/>
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79 <!-- The optional sortMissingLast and sortMissingFirst attributes are
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80 currently supported on types that are sorted internally as strings.
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81 This includes "string","boolean","sint","slong","sfloat","sdouble","pdate"
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82 - If sortMissingLast="true", then a sort on this field will cause documents
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83 without the field to come after documents with the field,
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84 regardless of the requested sort order (asc or desc).
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85 - If sortMissingFirst="true", then a sort on this field will cause documents
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86 without the field to come before documents with the field,
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87 regardless of the requested sort order.
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88 - If sortMissingLast="false" and sortMissingFirst="false" (the default),
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89 then default lucene sorting will be used which places docs without the
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90 field first in an ascending sort and last in a descending sort.
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94 Default numeric field types. For faster range queries, consider the tint/tfloat/tlong/tdouble types.
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96 <fieldType name="int" class="solr.TrieIntField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/>
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97 <fieldType name="float" class="solr.TrieFloatField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/>
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98 <fieldType name="long" class="solr.TrieLongField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/>
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99 <fieldType name="double" class="solr.TrieDoubleField" precisionStep="0" omitNorms="true" positionIncrementGap="0"/>
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102 Numeric field types that index each value at various levels of precision
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103 to accelerate range queries when the number of values between the range
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104 endpoints is large. See the javadoc for NumericRangeQuery for internal
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105 implementation details.
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107 Smaller precisionStep values (specified in bits) will lead to more tokens
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108 indexed per value, slightly larger index size, and faster range queries.
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109 A precisionStep of 0 disables indexing at different precision levels.
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111 <fieldType name="tint" class="solr.TrieIntField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/>
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112 <fieldType name="tfloat" class="solr.TrieFloatField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/>
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113 <fieldType name="tlong" class="solr.TrieLongField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/>
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114 <fieldType name="tdouble" class="solr.TrieDoubleField" precisionStep="8" omitNorms="true" positionIncrementGap="0"/>
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116 <!-- The format for this date field is of the form 1995-12-31T23:59:59Z, and
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117 is a more restricted form of the canonical representation of dateTime
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118 http://www.w3.org/TR/xmlschema-2/#dateTime
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119 The trailing "Z" designates UTC time and is mandatory.
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120 Optional fractional seconds are allowed: 1995-12-31T23:59:59.999Z
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121 All other components are mandatory.
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123 Expressions can also be used to denote calculations that should be
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124 performed relative to "NOW" to determine the value, ie...
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127 ... Round to the start of the current hour
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129 ... Exactly 1 day prior to now
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130 NOW/DAY+6MONTHS+3DAYS
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131 ... 6 months and 3 days in the future from the start of
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134 Consult the DateField javadocs for more information.
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136 Note: For faster range queries, consider the tdate type
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138 <fieldType name="date" class="solr.TrieDateField" omitNorms="true" precisionStep="0" positionIncrementGap="0"/>
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140 <!-- A Trie based date field for faster date range queries and date faceting. -->
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141 <fieldType name="tdate" class="solr.TrieDateField" omitNorms="true" precisionStep="6" positionIncrementGap="0"/>
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146 These should only be used for compatibility with existing indexes (created with older Solr versions)
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147 or if "sortMissingFirst" or "sortMissingLast" functionality is needed. Use Trie based fields instead.
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149 Plain numeric field types that store and index the text
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150 value verbatim (and hence don't support range queries, since the
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151 lexicographic ordering isn't equal to the numeric ordering)
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153 <fieldType name="pint" class="solr.IntField" omitNorms="true"/>
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154 <fieldType name="plong" class="solr.LongField" omitNorms="true"/>
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155 <fieldType name="pfloat" class="solr.FloatField" omitNorms="true"/>
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156 <fieldType name="pdouble" class="solr.DoubleField" omitNorms="true"/>
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157 <fieldType name="pdate" class="solr.DateField" sortMissingLast="true" omitNorms="true"/>
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162 These should only be used for compatibility with existing indexes (created with older Solr versions)
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163 or if "sortMissingFirst" or "sortMissingLast" functionality is needed. Use Trie based fields instead.
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165 Numeric field types that manipulate the value into
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166 a string value that isn't human-readable in its internal form,
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167 but with a lexicographic ordering the same as the numeric ordering,
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168 so that range queries work correctly.
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170 <fieldType name="sint" class="solr.SortableIntField" sortMissingLast="true" omitNorms="true"/>
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171 <fieldType name="slong" class="solr.SortableLongField" sortMissingLast="true" omitNorms="true"/>
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172 <fieldType name="sfloat" class="solr.SortableFloatField" sortMissingLast="true" omitNorms="true"/>
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173 <fieldType name="sdouble" class="solr.SortableDoubleField" sortMissingLast="true" omitNorms="true"/>
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176 <!-- The "RandomSortField" is not used to store or search any
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177 data. You can declare fields of this type it in your schema
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178 to generate pseudo-random orderings of your docs for sorting
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179 purposes. The ordering is generated based on the field name
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180 and the version of the index, As long as the index version
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181 remains unchanged, and the same field name is reused,
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182 the ordering of the docs will be consistent.
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183 If you want different psuedo-random orderings of documents,
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184 for the same version of the index, use a dynamicField and
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187 <fieldType name="random" class="solr.RandomSortField" indexed="true" />
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189 <!-- solr.TextField allows the specification of custom text analyzers
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190 specified as a tokenizer and a list of token filters. Different
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191 analyzers may be specified for indexing and querying.
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193 The optional positionIncrementGap puts space between multiple fields of
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194 this type on the same document, with the purpose of preventing false phrase
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195 matching across fields.
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197 For more info on customizing your analyzer chain, please see
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198 http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters
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201 <!-- One can also specify an existing Analyzer class that has a
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202 default constructor via the class attribute on the analyzer element-->
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203 <fieldType name="text_greek" class="solr.TextField">
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204 <analyzer class="org.apache.lucene.analysis.el.GreekAnalyzer"/>
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207 <!-- A text field that only splits on whitespace for exact matching of words -->
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208 <fieldType name="text_ws" class="solr.TextField" positionIncrementGap="100">
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210 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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214 <!-- A text field that uses WordDelimiterFilter to enable splitting and matching of
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215 words on case-change, alpha numeric boundaries, and non-alphanumeric chars,
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216 so that a query of "wifi" or "wi fi" could match a document containing "Wi-Fi".
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217 Synonyms and stopwords are customized by external files, and stemming is enabled.
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219 <fieldType name="text" class="solr.TextField" positionIncrementGap="100">
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220 <analyzer type="index">
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221 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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222 <!-- in this example, we will only use synonyms at query time
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223 <filter class="solr.SynonymFilterFactory" synonyms="index_synonyms.txt" ignoreCase="true" expand="false"/>
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225 <!-- Case insensitive stop word removal.
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226 add enablePositionIncrements=true in both the index and query
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227 analyzers to leave a 'gap' for more accurate phrase queries.
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229 <filter class="solr.StopFilterFactory"
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231 words="stopwords.txt"
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232 enablePositionIncrements="true"
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234 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="1" splitOnCaseChange="1"/>
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235 <filter class="solr.LowerCaseFilterFactory"/>
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236 <filter class="gr.ebs.gss.solr.analysis.GreekLowerCaseFilterFactory"/>
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237 <filter class="solr.SnowballPorterFilterFactory" language="English" protected="protwords.txt"/>
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239 <analyzer type="query">
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240 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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241 <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/>
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242 <filter class="solr.StopFilterFactory"
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244 words="stopwords.txt"
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245 enablePositionIncrements="true"
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247 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0" splitOnCaseChange="1"/>
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248 <filter class="solr.LowerCaseFilterFactory"/>
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249 <filter class="gr.ebs.gss.solr.analysis.GreekLowerCaseFilterFactory"/>
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250 <filter class="solr.SnowballPorterFilterFactory" language="English" protected="protwords.txt"/>
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255 <!-- Less flexible matching, but less false matches. Probably not ideal for product names,
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256 but may be good for SKUs. Can insert dashes in the wrong place and still match. -->
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257 <fieldType name="textTight" class="solr.TextField" positionIncrementGap="100" >
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259 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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260 <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="false"/>
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261 <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt"/>
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262 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="0" generateNumberParts="0" catenateWords="1" catenateNumbers="1" catenateAll="0"/>
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263 <filter class="solr.LowerCaseFilterFactory"/>
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264 <filter class="solr.SnowballPorterFilterFactory" language="English" protected="protwords.txt"/>
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265 <!-- this filter can remove any duplicate tokens that appear at the same position - sometimes
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266 possible with WordDelimiterFilter in conjuncton with stemming. -->
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267 <filter class="solr.RemoveDuplicatesTokenFilterFactory"/>
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272 <!-- A general unstemmed text field - good if one does not know the language of the field -->
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273 <fieldType name="textgen" class="solr.TextField" positionIncrementGap="100">
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274 <analyzer type="index">
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275 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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276 <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt" enablePositionIncrements="true" />
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277 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="0" splitOnCaseChange="0"/>
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278 <filter class="solr.LowerCaseFilterFactory"/>
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280 <analyzer type="query">
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281 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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282 <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/>
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283 <filter class="solr.StopFilterFactory"
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285 words="stopwords.txt"
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286 enablePositionIncrements="true"
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288 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0" splitOnCaseChange="0"/>
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289 <filter class="solr.LowerCaseFilterFactory"/>
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294 <!-- A general unstemmed text field that indexes tokens normally and also
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295 reversed (via ReversedWildcardFilterFactory), to enable more efficient
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296 leading wildcard queries. -->
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297 <fieldType name="text_rev" class="solr.TextField" positionIncrementGap="100">
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298 <analyzer type="index">
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299 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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300 <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt" enablePositionIncrements="true" />
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301 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="0" splitOnCaseChange="0"/>
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302 <filter class="solr.LowerCaseFilterFactory"/>
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303 <filter class="solr.ReversedWildcardFilterFactory" withOriginal="true"
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304 maxPosAsterisk="3" maxPosQuestion="2" maxFractionAsterisk="0.33"/>
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306 <analyzer type="query">
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307 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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308 <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt" ignoreCase="true" expand="true"/>
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309 <filter class="solr.StopFilterFactory"
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311 words="stopwords.txt"
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312 enablePositionIncrements="true"
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314 <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0" splitOnCaseChange="0"/>
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315 <filter class="solr.LowerCaseFilterFactory"/>
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319 <!-- charFilter + WhitespaceTokenizer -->
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321 <fieldType name="textCharNorm" class="solr.TextField" positionIncrementGap="100" >
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323 <charFilter class="solr.MappingCharFilterFactory" mapping="mapping-ISOLatin1Accent.txt"/>
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324 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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329 <!-- This is an example of using the KeywordTokenizer along
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330 With various TokenFilterFactories to produce a sortable field
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331 that does not include some properties of the source text
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333 <fieldType name="alphaOnlySort" class="solr.TextField" sortMissingLast="true" omitNorms="true">
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335 <!-- KeywordTokenizer does no actual tokenizing, so the entire
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336 input string is preserved as a single token
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338 <tokenizer class="solr.KeywordTokenizerFactory"/>
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339 <!-- The LowerCase TokenFilter does what you expect, which can be
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340 when you want your sorting to be case insensitive
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342 <filter class="solr.LowerCaseFilterFactory" />
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343 <!-- The TrimFilter removes any leading or trailing whitespace -->
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344 <filter class="solr.TrimFilterFactory" />
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345 <!-- The PatternReplaceFilter gives you the flexibility to use
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346 Java Regular expression to replace any sequence of characters
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347 matching a pattern with an arbitrary replacement string,
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348 which may include back references to portions of the original
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349 string matched by the pattern.
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351 See the Java Regular Expression documentation for more
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352 information on pattern and replacement string syntax.
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354 http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/package-summary.html
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356 <filter class="solr.PatternReplaceFilterFactory"
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357 pattern="([^a-z])" replacement="" replace="all"
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362 <fieldtype name="phonetic" stored="false" indexed="true" class="solr.TextField" >
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364 <tokenizer class="solr.StandardTokenizerFactory"/>
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365 <filter class="solr.DoubleMetaphoneFilterFactory" inject="false"/>
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369 <fieldtype name="payloads" stored="false" indexed="true" class="solr.TextField" >
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371 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
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373 The DelimitedPayloadTokenFilter can put payloads on tokens... for example,
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374 a token of "foo|1.4" would be indexed as "foo" with a payload of 1.4f
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375 Attributes of the DelimitedPayloadTokenFilterFactory :
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376 "delimiter" - a one character delimiter. Default is | (pipe)
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377 "encoder" - how to encode the following value into a playload
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378 float -> org.apache.lucene.analysis.payloads.FloatEncoder,
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379 integer -> o.a.l.a.p.IntegerEncoder
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380 identity -> o.a.l.a.p.IdentityEncoder
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381 Fully Qualified class name implementing PayloadEncoder, Encoder must have a no arg constructor.
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383 <filter class="solr.DelimitedPayloadTokenFilterFactory" encoder="float"/>
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387 <!-- lowercases the entire field value, keeping it as a single token. -->
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388 <fieldType name="lowercase" class="solr.TextField" positionIncrementGap="100">
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390 <tokenizer class="solr.KeywordTokenizerFactory"/>
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391 <filter class="solr.LowerCaseFilterFactory" />
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396 <!-- since fields of this type are by default not stored or indexed,
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397 any data added to them will be ignored outright. -->
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398 <fieldtype name="ignored" stored="false" indexed="false" multiValued="true" class="solr.StrField" />
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404 <!-- Valid attributes for fields:
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405 name: mandatory - the name for the field
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406 type: mandatory - the name of a previously defined type from the
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408 indexed: true if this field should be indexed (searchable or sortable)
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409 stored: true if this field should be retrievable
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410 compressed: [false] if this field should be stored using gzip compression
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411 (this will only apply if the field type is compressable; among
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412 the standard field types, only TextField and StrField are)
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413 multiValued: true if this field may contain multiple values per document
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414 omitNorms: (expert) set to true to omit the norms associated with
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415 this field (this disables length normalization and index-time
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416 boosting for the field, and saves some memory). Only full-text
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417 fields or fields that need an index-time boost need norms.
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418 termVectors: [false] set to true to store the term vector for a
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420 When using MoreLikeThis, fields used for similarity should be
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421 stored for best performance.
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422 termPositions: Store position information with the term vector.
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423 This will increase storage costs.
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424 termOffsets: Store offset information with the term vector. This
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425 will increase storage costs.
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426 default: a value that should be used if no value is specified
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427 when adding a document.
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430 <field name="id" type="string" indexed="true" stored="true" required="true" />
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431 <field name="name" type="text" indexed="true" stored="true" required="true"/>
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432 <field name="tag" type="text" indexed="true" stored="true" multiValued="true"/>
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433 <!-- <field name="sku" type="textTight" indexed="true" stored="true" omitNorms="true"/>
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434 <field name="name" type="textgen" indexed="true" stored="true"/>
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435 <field name="alphaNameSort" type="alphaOnlySort" indexed="true" stored="false"/>
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436 <field name="manu" type="textgen" indexed="true" stored="true" omitNorms="true"/>
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437 <field name="cat" type="text_ws" indexed="true" stored="true" multiValued="true" omitNorms="true" />
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438 <field name="features" type="text" indexed="true" stored="true" multiValued="true"/>
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439 <field name="includes" type="text" indexed="true" stored="true" termVectors="true" termPositions="true" termOffsets="true" />
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441 <field name="weight" type="float" indexed="true" stored="true"/>
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442 <field name="price" type="float" indexed="true" stored="true"/>
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443 <field name="popularity" type="int" indexed="true" stored="true" />
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444 <field name="inStock" type="boolean" indexed="true" stored="true" />-->
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447 <!-- Common metadata fields, named specifically to match up with
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448 SolrCell metadata when parsing rich documents such as Word, PDF.
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449 Some fields are multiValued only because Tika currently may return
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450 multiple values for them.
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452 <!-- <field name="title" type="text" indexed="true" stored="true" multiValued="true"/>
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453 <field name="subject" type="text" indexed="true" stored="true"/>
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454 <field name="description" type="text" indexed="true" stored="true"/>
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455 <field name="comments" type="text" indexed="true" stored="true"/>
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456 <field name="author" type="textgen" indexed="true" stored="true"/>
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457 <field name="keywords" type="textgen" indexed="true" stored="true"/>
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458 <field name="category" type="textgen" indexed="true" stored="true"/>
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459 <field name="content_type" type="string" indexed="true" stored="true" multiValued="true"/>
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460 <field name="last_modified" type="date" indexed="true" stored="true"/>
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461 <field name="links" type="string" indexed="true" stored="true" multiValued="true"/>
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464 <!-- catchall field, containing all other searchable text fields (implemented
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465 via copyField further on in this schema -->
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466 <field name="text" type="text" indexed="true" stored="false" multiValued="true"/>
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468 <!-- catchall text field that indexes tokens both normally and in reverse for efficient
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469 leading wildcard queries. -->
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470 <!-- <field name="text_rev" type="text_rev" indexed="true" stored="false" multiValued="true"/>-->
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472 <!-- non-tokenized version of manufacturer to make it easier to sort or group
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473 results by manufacturer. copied from "manu" via copyField -->
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474 <!-- <field name="manu_exact" type="string" indexed="true" stored="false"/>
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476 <field name="payloads" type="payloads" indexed="true" stored="true"/>-->
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478 <!-- Uncommenting the following will create a "timestamp" field using
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479 a default value of "NOW" to indicate when each document was indexed.
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482 <field name="timestamp" type="date" indexed="true" stored="true" default="NOW" multiValued="false"/>
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486 <!-- Dynamic field definitions. If a field name is not found, dynamicFields
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487 will be used if the name matches any of the patterns.
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488 RESTRICTION: the glob-like pattern in the name attribute must have
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489 a "*" only at the start or the end.
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490 EXAMPLE: name="*_i" will match any field ending in _i (like myid_i, z_i)
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491 Longer patterns will be matched first. if equal size patterns
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492 both match, the first appearing in the schema will be used. -->
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493 <dynamicField name="*_i" type="int" indexed="true" stored="true"/>
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494 <dynamicField name="*_s" type="string" indexed="true" stored="true"/>
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495 <dynamicField name="*_l" type="long" indexed="true" stored="true"/>
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496 <dynamicField name="*_t" type="text" indexed="true" stored="true"/>
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497 <dynamicField name="*_b" type="boolean" indexed="true" stored="true"/>
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498 <dynamicField name="*_f" type="float" indexed="true" stored="true"/>
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499 <dynamicField name="*_d" type="double" indexed="true" stored="true"/>
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500 <dynamicField name="*_dt" type="date" indexed="true" stored="true"/>
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502 <!-- some trie-coded dynamic fields for faster range queries -->
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503 <dynamicField name="*_ti" type="tint" indexed="true" stored="true"/>
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504 <dynamicField name="*_tl" type="tlong" indexed="true" stored="true"/>
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505 <dynamicField name="*_tf" type="tfloat" indexed="true" stored="true"/>
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506 <dynamicField name="*_td" type="tdouble" indexed="true" stored="true"/>
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507 <dynamicField name="*_tdt" type="tdate" indexed="true" stored="true"/>
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509 <dynamicField name="*_pi" type="pint" indexed="true" stored="true"/>
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511 <dynamicField name="ignored_*" type="ignored" multiValued="true"/>
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512 <dynamicField name="attr_*" type="textgen" indexed="true" stored="true" multiValued="true"/>
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514 <dynamicField name="random_*" type="random" />
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516 <!-- uncomment the following to ignore any fields that don't already match an existing
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517 field name or dynamic field, rather than reporting them as an error.
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518 alternately, change the type="ignored" to some other type e.g. "text" if you want
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519 unknown fields indexed and/or stored by default -->
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520 <!--dynamicField name="*" type="ignored" multiValued="true" /-->
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524 <!-- Field to use to determine and enforce document uniqueness.
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525 Unless this field is marked with required="false", it will be a required field
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527 <uniqueKey>id</uniqueKey>
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529 <!-- field for the QueryParser to use when an explicit fieldname is absent -->
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530 <defaultSearchField>text</defaultSearchField>
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532 <!-- SolrQueryParser configuration: defaultOperator="AND|OR" -->
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533 <solrQueryParser defaultOperator="AND"/>
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535 <!-- copyField commands copy one field to another at the time a document
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536 is added to the index. It's used either to index the same field differently,
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537 or to add multiple fields to the same field for easier/faster searching. -->
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539 <copyField source="id" dest="text"/>
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540 <copyField source="name" dest="text"/>
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541 <copyField source="tag" dest="text"/>
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542 <!-- <copyField source="cat" dest="text"/>
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543 <copyField source="name" dest="text"/>
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544 <copyField source="manu" dest="text"/>
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545 <copyField source="features" dest="text"/>
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546 <copyField source="includes" dest="text"/>
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547 <copyField source="manu" dest="manu_exact"/>-->
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549 <!-- Above, multiple source fields are copied to the [text] field.
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550 Another way to map multiple source fields to the same
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551 destination field is to use the dynamic field syntax.
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552 copyField also supports a maxChars to copy setting. -->
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554 <!-- <copyField source="*_t" dest="text" maxChars="3000"/> -->
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556 <!-- copy name to alphaNameSort, a field designed for sorting by name -->
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557 <!-- <copyField source="name" dest="alphaNameSort"/> -->
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560 <!-- Similarity is the scoring routine for each document vs. a query.
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561 A custom similarity may be specified here, but the default is fine
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562 for most applications. -->
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563 <!-- <similarity class="org.apache.lucene.search.DefaultSimilarity"/> -->
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565 Specify a SimilarityFactory class name implementation
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566 allowing parameters to be used.
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569 <similarity class="com.example.solr.CustomSimilarityFactory">
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570 <str name="paramkey">param value</str>
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