## this is a list of all solr keys for the default index 'collection1', the fulltext search index
## this complete list of keys can be changed; the actual schema is stored in:
## DATA/SETTINGS/solr.collection.schema

## the syntax of this file:
## - all lines beginning with '##' are comments
## - all non-empty lines not beginning with '#' are keyword lines
## - all lines beginning with '#' and where the second character is not '#' are commented-out keyword lines

### mandatory values, do not disable them, YaCy won't work without them

## primary key of document, the URL hash, string (mandatory field)
id

##url of document, string (mandatory field)
sku

## last-modified from http header, date (mandatory field)
last_modified

## mime-type of document, string (mandatory field)
content_type

## content of title tag, text (mandatory field)
title

## the 64 bit hash of the org.apache.solr.update.processor.Lookup3Signature of title, used to compute title_unique_b
#title_exact_signature_l

## flag shows if title is unique in the whole index; if yes and another document appears with same title, the unique-flag is set to false, boolean
#title_unique_b

## id of the host, a 6-byte hash that is part of the document id (mandatory field)
host_id_s

## the md5 of the raw source (mandatory field)
md5_s

## the 64 bit hash of the org.apache.solr.update.processor.Lookup3Signature of text_t
exact_signature_l

## flag shows if exact_signature_l is unique at the time of document creation, used for double-check during search
exact_signature_unique_b

## 64 bit of the Lookup3Signature from EnhancedTextProfileSignature of text_t
fuzzy_signature_l

## intermediate data produced in EnhancedTextProfileSignature: a list of word frequencies
#fuzzy_signature_text_t
    
## flag shows if fuzzy_signature_l is unique at the time of document creation, used for double-check during search
fuzzy_signature_unique_b

## the size of the raw source (mandatory field)
size_i

## fail reason if a page was not loaded. if the page was loaded then this field is empty, string (mandatory field)
failreason_s

## fail type if a page was not loaded. This field is either empty, 'excl' or 'fail'
failtype_s
    
## html status return code (i.e. "200" for ok), -1 if not loaded (see content of failreason_t for this case), int (mandatory field)
httpstatus_i

## redirect url if the error code is 299 < httpstatus_i < 310
#httpstatus_redirect_s

## number of unique http references, should be equal to references_internal_i + references_external_i
references_i

## number of unique http references from same host to referenced url
references_internal_i

## number of unique http references from external hosts
references_external_i

## number of external hosts which provide http references
references_exthosts_i

## depth of web page according to number of clicks from the 'main' page, which is the page that appears if only the host is entered as url
clickdepth_i

## needed (post-)processing steps on this metadata set
process_sxt


### optional but highly recommended values, part of the index distribution process

## time when resource was loaded
load_date_dt

## date until resource shall be considered as fresh
fresh_date_dt

## id of the referrer to this document, discovered during crawling
referrer_id_s

## the name of the publisher of the document
publisher_t

## the language used in the document
language_s

## number of links to audio resources
audiolinkscount_i

## number of links to video resources
videolinkscount_i

## number of links to application resources
applinkscount_i


### optional but highly recommended values, not part of the index distribution process

## tags that are attached to crawls/index generation to separate the search result into user-defined subsets
collection_sxt

## geospatial point in degrees of latitude,longitude as declared in WSG84, location; this creates two additional subfields, coordinate_p_0_coordinate (latitude) and coordinate_p_1_coordinate (longitude)
coordinate_p

## content of author-tag, texgen
author

## content of description-tag(s), text
description_txt

## the 64 bit hash of the org.apache.solr.update.processor.Lookup3Signature of description, used to compute description_unique_b
#description_exact_signature_l

## flag shows if description is unique in the whole index; if yes and another document appears with same description, the unique-flag is set to false, boolean
#description_unique_b

## content of keywords tag; words are separated by space
keywords

## character encoding, string
charset_s

## number of words in visible area, int
wordcount_i

## total number of inbound links, int
inboundlinkscount_i

## number of inbound links with nofollow tag, int
inboundlinksnofollowcount_i

## external number of inbound links, int
outboundlinkscount_i

## number of external links with nofollow tag, int
outboundlinksnofollowcount_i

## number of images, int
imagescount_i

## response time of target server in milliseconds, int
responsetime_i

## all visible text, text
text_t

## additional synonyms to the words in the text
synonyms_sxt

## h1 header
h1_txt

## h2 header
h2_txt

## h3 header
h3_txt

## h4 header
h4_txt

## h5 header
h5_txt

## h6 header
h6_txt


### optional values, not part of standard YaCy handling (but useful for external applications)

## ip of host of url (after DNS lookup), string
#ip_s

## tags of css entries, normalized with absolute URL
#css_tag_sxt

## urls of css entries, normalized with absolute URL
#css_url_sxt

## number of css entries, int
#csscount_i

## urls of script entries, normalized with absolute URL
#scripts_sxt

## number of entries in scripts_sxt, int
#scriptscount_i

## noindex and nofollow attributes
## from HTML (meta-tag in HTML header: robots)
## and HTTP header (X-Robots-Tag property)
## coded as binary value:
## bit  0: "all" contained in html header meta
## bit  1: "index" contained in html header meta
## bit  2: "follow" contained in html header meta
## bit  3: "noindex" contained in html header meta
## bit  4: "nofollow" contained in html header meta
## bit  8: "all" contained in http header X-Robots-Tag
## bit  9: "noindex" contained in http header X-Robots-Tag
## bit 10: "nofollow" contained in http header X-Robots-Tag
## bit 11: "noarchive" contained in http header X-Robots-Tag
## bit 12: "nosnippet" contained in http header X-Robots-Tag
## bit 13: "noodp" contained in http header X-Robots-Tag
## bit 14: "notranslate" contained in http header X-Robots-Tag
## bit 15: "noimageindex" contained in http header X-Robots-Tag
## bit 16: "unavailable_after" contained in http header X-Robots-Tag
#robots_i

## content of <meta name="generator" content=#content#> tag, text
#metagenerator_t

## internal links, only the protocol
inboundlinks_protocol_sxt

## internal links, the url only without the protocol
inboundlinks_urlstub_sxt

## external links, only the protocol
outboundlinks_protocol_sxt

## external links, the url only without the protocol
outboundlinks_urlstub_sxt

## all text/words appearing in image alt texts or the tokenized url
images_text_t

## all image links without the protocol and '://'
images_urlstub_sxt

## all image link protocols
images_protocol_sxt

## all image link alt tag
images_alt_txt

## size of images:height
images_height_val

## size of images:width
images_width_val

## size of images as number of pixels (easier for ranking than using with and height)
images_pixel_val

## number of image links with alt tag
#images_withalt_i

## binary pattern for the existance of h1..h6 headlines, int
#htags_i

## url inside the canonical link element, string
#canonical_s

## flag shows if the url in canonical_t is equal to sku, boolean
#canonical_equal_sku_b

## link from the url property inside the refresh link element, string
#refresh_s

## all texts in <li> tags
#li_txt

## number of <li> tags, int
#licount_i

## all texts inside of <b> or <strong> tags. no doubles. listed in the order of number of occurrences in decreasing order
bold_txt

## number of occurrences of texts in bold_txt
#bold_val

## total number of occurrences of <b> or <strong>, int
#boldcount_i

## all texts inside of <i> tags. no doubles. listed in the order of number of occurrences in decreasing order
italic_txt

## number of occurrences of texts in italic_txt
#italic_val

## total number of occurrences of <i>, int
#italiccount_i

## all texts inside of <u> tags. no doubles. listed in the order of number of occurrences in decreasing order
underline_txt

## number of occurrences of texts in underline_txt
#underline_val

## total number of occurrences of <u>, int
#underlinecount_i

## flag that shows if a swf file is linked, boolean
#flash_b

## list of all links to frames
#frames_sxt

## number of attr_frames, int
#framesscount_i

## list of all links to iframes
#iframes_sxt

## number of attr_iframes, int
#iframesscount_i

## url of the hreflang link tag, see http://support.google.com/webmasters/bin/answer.py?hl=de&answer=189077
#hreflang_url_sxt

## country code of the hreflang link tag, see http://support.google.com/webmasters/bin/answer.py?hl=de&answer=189077
#hreflang_cc_sxt

## page navigation url, see http://googlewebmastercentral.blogspot.de/2011/09/pagination-with-relnext-and-relprev.html
#navigation_url_sxt

## page navigation rel property value, can contain one of {top,up,next,prev,first,last}
#navigation_type_sxt

## publisher url as defined in http://support.google.com/plus/answer/1713826?hl=de
#publisher_url_s

## the protocol of the url
url_protocol_s

## the file name (which is the string after the last '/' and before the query part from '?' on) without the file extension
url_file_name_s

## the file name extension
url_file_ext_s

## all path elements in the url hpath (see: http://www.ietf.org/rfc/rfc1738.txt) without the file name
url_paths_sxt

## number of key-value pairs in search part of the url
#url_parameter_i

## the keys from key-value pairs in the search part of the url
#url_parameter_key_sxt

## the values from key-value pairs in the search part of the url
#url_parameter_value_sxt

## number of all characters in the url == length of sku field
url_chars_i

## host of the url, string
host_s

## the Domain Class Name, either the TLD or a combination of ccSLD+TLD if a ccSLD is used.
#host_dnc_s
    
## either the second level domain or, if a ccSLD is used, the third level domain
host_organization_s
    
## the organization and dnc concatenated with '.'
#host_organizationdnc_s
    
## the remaining part of the host without organizationdnc
#host_subdomain_s

## number of documents from the same host; can be used to measure references_internal_i for likelihood computation, integer
host_extent_i

## number of titles (counting the 'title' field) in the document
#title_count_i

## number of characters for each title
#title_chars_val

## number of words in each title
#title_words_val

## number of descriptions in the document. Its not counting the 'description' field since there is only one. But it counts the number of descriptions that appear in the document (if any)
#description_count_i

## number of characters for each description
#description_chars_val

## number of words in each description
#description_words_val

## number of h1..h6 header lines
#h1_i
#h2_i
#h3_i
#h4_i
#h5_i
#h6_i

## breadcrumbs, see http://schema.org/WebPage; this is a counter how many itemprop="breadcrumb" properties in div tags appears within a page
#schema_org_breadcrumb_i

## Open Graph Metadata field, see http://ogp.me/ns#
#opengraph_title_t
#opengraph_type_s
#opengraph_url_s
#opengraph_image_s


## citation ranking

## the number of documents within a single host
cr_host_count_i

## the chance to click on this page when randomly clicking on links within on one host
cr_host_chance_d

## normalization of chance: 0 for lower halve of cr_host_count_i urls, 1 for 1/2 of the remaining and so on. the maximum number is 10
cr_host_norm_i
   

## names of cms attributes; if several are recognized then they are listen in decreasing order of number of matching criterias
#ext_cms_txt

## number of attributes that count for a specific cms in attr_cms
#ext_cms_val

## names of ad-servers/ad-services
#ext_ads_txt

## number of attributes counts in attr_ads
#ext_ads_val

## names of recognized community functions
#ext_community_txt

## number of attribute counts in attr_community
#ext_community_val

## names of map services
#ext_maps_txt

## number of attribute counts in attr_maps
#ext_maps_val

## names of tracker server
#ext_tracker_txt

## number of attribute counts in attr_tracker
#ext_tracker_val

## names matching title expressions
#ext_title_txt

## number of matching title expressions
#ext_title_val