235 lines
8.6 KiB
JSON
235 lines
8.6 KiB
JSON
{
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"comment": "Remove allowInfinite from page_links_updated (T298317)",
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"before": {
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"name": "page",
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"comment": "Core of the wiki: each page has an entry here which identifies it by title and contains some essential metadata.",
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"columns": [
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{
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"name": "page_id",
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"comment": "Unique identifier number. The page_id will be preserved across edits and rename operations, but not deletions and recreations.",
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"type": "integer",
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"options": { "unsigned": true, "notnull": true, "autoincrement": true }
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},
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{
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"name": "page_namespace",
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"comment": "A page name is broken into a namespace and a title. The namespace keys are UI-language-independent constants, defined in includes/Defines.php",
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"type": "integer",
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"options": { "notnull": true }
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},
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{
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"name": "page_title",
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"comment": "The rest of the title, as text. Spaces are transformed into underscores in title storage.",
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"type": "binary",
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"options": { "notnull": true, "length": 255 }
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},
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{
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"name": "page_is_redirect",
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"comment": "1 indicates the article is a redirect. If so, there is a row in the `redirect` table with rd_from=page_id, which contains the redirect target.",
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"type": "mwtinyint",
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"options": { "notnull": true, "unsigned": true, "default": 0 }
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},
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{
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"name": "page_is_new",
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"comment": "1 indicates this is a new entry, with only one edit. Not all pages with one edit are new pages.",
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"type": "mwtinyint",
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"options": { "notnull": true, "unsigned": true, "default": 0 }
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},
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{
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"name": "page_random",
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"comment": "Random value between 0 and 1, used for Special:Randompage",
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"type": "float",
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"options": {
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"notnull": true,
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"unsigned": true,
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"CustomSchemaOptions": {
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"doublePrecision": true
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}
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}
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},
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{
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"name": "page_touched",
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"comment": "This timestamp is updated whenever the page changes in a way requiring it to be re-rendered, invalidating caches. Aside from editing this includes permission changes, creation or deletion of linked pages, and alteration of contained templates.",
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"type": "mwtimestamp",
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"options": { "notnull": true }
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},
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{
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"name": "page_links_updated",
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"comment": "This timestamp is updated whenever a page is re-parsed and it has all the link tracking tables updated for it. This is useful for de-duplicating expensive backlink update jobs.",
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"type": "mwtimestamp",
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"options": {
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"notnull": false,
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"default": null,
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"CustomSchemaOptions": {
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"allowInfinite": true
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}
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}
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},
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{
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"name": "page_latest",
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"comment": "Handy key to revision.rev_id of the current revision. This may be 0 during page creation, but that shouldn't happen outside of a transaction... hopefully.",
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"type": "integer",
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"options": { "unsigned": true, "notnull": true }
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},
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{
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"name": "page_len",
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"comment": "Uncompressed length in bytes of the page's current source text.",
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"type": "integer",
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"options": { "unsigned": true, "notnull": true }
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},
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{
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"name": "page_content_model",
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"comment": "content model, see CONTENT_MODEL_XXX constants",
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"type": "binary",
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"options": { "length": 32, "notnull": false }
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},
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{
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"name": "page_lang",
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"comment": "Page content language",
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"type": "binary",
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"options": { "length": 35, "notnull": false }
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}
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],
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"indexes": [
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{
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"name": "page_name_title",
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"columns": [ "page_namespace", "page_title" ],
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"comment": "The title index. Care must be taken to always specify a namespace when by title, so that the index is used. Even listing all known namespaces with IN() is better than omitting page_namespace from the WHERE clause.",
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"unique": true
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},
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{
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"name": "page_random",
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"columns": [ "page_random" ],
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"comment": "Index for Special:Random",
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"unique": false
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},
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{
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"name": "page_len",
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"columns": [ "page_len" ],
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"comment": "Questionable utility, used by ProofreadPage, possibly DynamicPageList. ApiQueryAllPages unconditionally filters on namespace and so hopefully does not use it.",
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"unique": false
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},
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{
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"name": "page_redirect_namespace_len",
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"columns": [ "page_is_redirect", "page_namespace", "page_len" ],
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"comment": "The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles() in 'comma' counting mode, MessageCache::loadFromDB().",
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"unique": false
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}
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],
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"pk": [ "page_id" ]
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},
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"after": {
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"name": "page",
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"comment": "Core of the wiki: each page has an entry here which identifies it by title and contains some essential metadata.",
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"columns": [
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{
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"name": "page_id",
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"comment": "Unique identifier number. The page_id will be preserved across edits and rename operations, but not deletions and recreations.",
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"type": "integer",
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"options": { "unsigned": true, "notnull": true, "autoincrement": true }
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},
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{
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"name": "page_namespace",
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"comment": "A page name is broken into a namespace and a title. The namespace keys are UI-language-independent constants, defined in includes/Defines.php",
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"type": "integer",
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"options": { "notnull": true }
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},
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{
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"name": "page_title",
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"comment": "The rest of the title, as text. Spaces are transformed into underscores in title storage.",
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"type": "binary",
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"options": { "notnull": true, "length": 255 }
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},
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{
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"name": "page_is_redirect",
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"comment": "1 indicates the article is a redirect. If so, there is a row in the `redirect` table with rd_from=page_id, which contains the redirect target.",
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"type": "mwtinyint",
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"options": { "notnull": true, "unsigned": true, "default": 0 }
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},
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{
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"name": "page_is_new",
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"comment": "1 indicates this is a new entry, with only one edit. Not all pages with one edit are new pages.",
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"type": "mwtinyint",
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"options": { "notnull": true, "unsigned": true, "default": 0 }
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},
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{
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"name": "page_random",
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"comment": "Random value between 0 and 1, used for Special:Randompage",
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"type": "float",
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"options": {
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"notnull": true,
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"unsigned": true,
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"CustomSchemaOptions": {
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"doublePrecision": true
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}
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}
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},
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{
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"name": "page_touched",
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"comment": "This timestamp is updated whenever the page changes in a way requiring it to be re-rendered, invalidating caches. Aside from editing this includes permission changes, creation or deletion of linked pages, and alteration of contained templates.",
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"type": "mwtimestamp",
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"options": { "notnull": true }
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},
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{
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"name": "page_links_updated",
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"comment": "This timestamp is updated whenever a page is re-parsed and it has all the link tracking tables updated for it. This is useful for de-duplicating expensive backlink update jobs.",
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"type": "mwtimestamp",
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"options": {
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"notnull": false,
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"default": null
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}
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},
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{
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"name": "page_latest",
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"comment": "Handy key to revision.rev_id of the current revision. This may be 0 during page creation, but that shouldn't happen outside of a transaction... hopefully.",
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"type": "integer",
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"options": { "unsigned": true, "notnull": true }
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},
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{
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"name": "page_len",
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"comment": "Uncompressed length in bytes of the page's current source text.",
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"type": "integer",
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"options": { "unsigned": true, "notnull": true }
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},
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{
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"name": "page_content_model",
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"comment": "content model, see CONTENT_MODEL_XXX constants",
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"type": "binary",
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"options": { "length": 32, "notnull": false }
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},
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{
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"name": "page_lang",
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"comment": "Page content language",
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"type": "binary",
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"options": { "length": 35, "notnull": false }
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}
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],
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"indexes": [
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{
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"name": "page_name_title",
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"columns": [ "page_namespace", "page_title" ],
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"comment": "The title index. Care must be taken to always specify a namespace when by title, so that the index is used. Even listing all known namespaces with IN() is better than omitting page_namespace from the WHERE clause.",
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"unique": true
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},
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{
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"name": "page_random",
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"columns": [ "page_random" ],
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"comment": "Index for Special:Random",
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"unique": false
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},
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{
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"name": "page_len",
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"columns": [ "page_len" ],
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"comment": "Questionable utility, used by ProofreadPage, possibly DynamicPageList. ApiQueryAllPages unconditionally filters on namespace and so hopefully does not use it.",
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"unique": false
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},
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{
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"name": "page_redirect_namespace_len",
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"columns": [ "page_is_redirect", "page_namespace", "page_len" ],
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"comment": "The index for Special:Shortpages and Special:Longpages. Also SiteStats::articles() in 'comma' counting mode, MessageCache::loadFromDB().",
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"unique": false
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}
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],
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"pk": [ "page_id" ]
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}
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}
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