Add rc_name_type_patrolled_timestamp index
[mediawiki.git] / includes / installer / PostgresUpdater.php
blobbe94d91711d6fe9e360bf2d1c3a98f2ce2d04d46
1 <?php
2 /**
3 * PostgreSQL-specific updater.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
20 * @file
21 * @ingroup Deployment
24 /**
25 * Class for handling updates to Postgres databases.
27 * @ingroup Deployment
28 * @since 1.17
30 class PostgresUpdater extends DatabaseUpdater {
32 /**
33 * @var DatabasePostgres
35 protected $db;
37 /**
38 * @todo FIXME: Postgres should use sequential updates like Mysql, Sqlite
39 * and everybody else. It never got refactored like it should've.
40 * @return array
42 protected function getCoreUpdateList() {
43 return [
44 # rename tables 1.7.3
45 # r15791 Change reserved word table names "user" and "text"
46 [ 'renameTable', 'user', 'mwuser' ],
47 [ 'renameTable', 'text', 'pagecontent' ],
48 [ 'renameIndex', 'mwuser', 'user_pkey', 'mwuser_pkey' ],
49 [ 'renameIndex', 'mwuser', 'user_user_name_key', 'mwuser_user_name_key' ],
50 [ 'renameIndex', 'pagecontent', 'text_pkey', 'pagecontent_pkey' ],
52 # renamed sequences
53 [ 'renameSequence', 'ipblocks_ipb_id_val', 'ipblocks_ipb_id_seq' ],
54 [ 'renameSequence', 'rev_rev_id_val', 'revision_rev_id_seq' ],
55 [ 'renameSequence', 'text_old_id_val', 'text_old_id_seq' ],
56 [ 'renameSequence', 'rc_rc_id_seq', 'recentchanges_rc_id_seq' ],
57 [ 'renameSequence', 'log_log_id_seq', 'logging_log_id_seq' ],
58 [ 'renameSequence', 'pr_id_val', 'page_restrictions_pr_id_seq' ],
59 [ 'renameSequence', 'us_id_seq', 'uploadstash_us_id_seq' ],
61 # since r58263
62 [ 'renameSequence', 'category_id_seq', 'category_cat_id_seq' ],
64 # new sequences if not renamed above
65 [ 'addSequence', 'logging', false, 'logging_log_id_seq' ],
66 [ 'addSequence', 'page_restrictions', false, 'page_restrictions_pr_id_seq' ],
67 [ 'addSequence', 'filearchive', 'fa_id', 'filearchive_fa_id_seq' ],
68 [ 'addSequence', 'archive', false, 'archive_ar_id_seq' ],
69 [ 'addSequence', 'externallinks', false, 'externallinks_el_id_seq' ],
70 [ 'addSequence', 'watchlist', false, 'watchlist_wl_id_seq' ],
72 # new tables
73 [ 'addTable', 'category', 'patch-category.sql' ],
74 [ 'addTable', 'page', 'patch-page.sql' ],
75 [ 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ],
76 [ 'addTable', 'page_props', 'patch-page_props.sql' ],
77 [ 'addTable', 'page_restrictions', 'patch-page_restrictions.sql' ],
78 [ 'addTable', 'profiling', 'patch-profiling.sql' ],
79 [ 'addTable', 'protected_titles', 'patch-protected_titles.sql' ],
80 [ 'addTable', 'redirect', 'patch-redirect.sql' ],
81 [ 'addTable', 'updatelog', 'patch-updatelog.sql' ],
82 [ 'addTable', 'change_tag', 'patch-change_tag.sql' ],
83 [ 'addTable', 'tag_summary', 'patch-tag_summary.sql' ],
84 [ 'addTable', 'valid_tag', 'patch-valid_tag.sql' ],
85 [ 'addTable', 'user_properties', 'patch-user_properties.sql' ],
86 [ 'addTable', 'log_search', 'patch-log_search.sql' ],
87 [ 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ],
88 [ 'addTable', 'iwlinks', 'patch-iwlinks.sql' ],
89 [ 'addTable', 'module_deps', 'patch-module_deps.sql' ],
90 [ 'addTable', 'uploadstash', 'patch-uploadstash.sql' ],
91 [ 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ],
92 [ 'addTable', 'sites', 'patch-sites.sql' ],
93 [ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
95 # Needed before new field
96 [ 'convertArchive2' ],
98 # new fields
99 [ 'addPgField', 'updatelog', 'ul_value', 'TEXT' ],
100 [ 'addPgField', 'archive', 'ar_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
101 [ 'addPgField', 'archive', 'ar_len', 'INTEGER' ],
102 [ 'addPgField', 'archive', 'ar_page_id', 'INTEGER' ],
103 [ 'addPgField', 'archive', 'ar_parent_id', 'INTEGER' ],
104 [ 'addPgField', 'archive', 'ar_content_model', 'TEXT' ],
105 [ 'addPgField', 'archive', 'ar_content_format', 'TEXT' ],
106 [ 'addPgField', 'categorylinks', 'cl_sortkey_prefix', "TEXT NOT NULL DEFAULT ''" ],
107 [ 'addPgField', 'categorylinks', 'cl_collation', "TEXT NOT NULL DEFAULT 0" ],
108 [ 'addPgField', 'categorylinks', 'cl_type', "TEXT NOT NULL DEFAULT 'page'" ],
109 [ 'addPgField', 'image', 'img_sha1', "TEXT NOT NULL DEFAULT ''" ],
110 [ 'addPgField', 'ipblocks', 'ipb_allow_usertalk', 'SMALLINT NOT NULL DEFAULT 0' ],
111 [ 'addPgField', 'ipblocks', 'ipb_anon_only', 'SMALLINT NOT NULL DEFAULT 0' ],
112 [ 'addPgField', 'ipblocks', 'ipb_by_text', "TEXT NOT NULL DEFAULT ''" ],
113 [ 'addPgField', 'ipblocks', 'ipb_block_email', 'SMALLINT NOT NULL DEFAULT 0' ],
114 [ 'addPgField', 'ipblocks', 'ipb_create_account', 'SMALLINT NOT NULL DEFAULT 1' ],
115 [ 'addPgField', 'ipblocks', 'ipb_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
116 [ 'addPgField', 'ipblocks', 'ipb_enable_autoblock', 'SMALLINT NOT NULL DEFAULT 1' ],
117 [ 'addPgField', 'ipblocks', 'ipb_parent_block_id',
118 'INTEGER DEFAULT NULL REFERENCES ipblocks(ipb_id) ' .
119 'ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED' ],
120 [ 'addPgField', 'filearchive', 'fa_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
121 [ 'addPgField', 'filearchive', 'fa_sha1', "TEXT NOT NULL DEFAULT ''" ],
122 [ 'addPgField', 'logging', 'log_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
123 [ 'addPgField', 'logging', 'log_id',
124 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')" ],
125 [ 'addPgField', 'logging', 'log_params', 'TEXT' ],
126 [ 'addPgField', 'mwuser', 'user_editcount', 'INTEGER' ],
127 [ 'addPgField', 'mwuser', 'user_newpass_time', 'TIMESTAMPTZ' ],
128 [ 'addPgField', 'oldimage', 'oi_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
129 [ 'addPgField', 'oldimage', 'oi_major_mime', "TEXT NOT NULL DEFAULT 'unknown'" ],
130 [ 'addPgField', 'oldimage', 'oi_media_type', 'TEXT' ],
131 [ 'addPgField', 'oldimage', 'oi_metadata', "BYTEA NOT NULL DEFAULT ''" ],
132 [ 'addPgField', 'oldimage', 'oi_minor_mime', "TEXT NOT NULL DEFAULT 'unknown'" ],
133 [ 'addPgField', 'oldimage', 'oi_sha1', "TEXT NOT NULL DEFAULT ''" ],
134 [ 'addPgField', 'page', 'page_content_model', 'TEXT' ],
135 [ 'addPgField', 'page_restrictions', 'pr_id',
136 "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_seq')" ],
137 [ 'addPgField', 'profiling', 'pf_memory', 'NUMERIC(18,10) NOT NULL DEFAULT 0' ],
138 [ 'addPgField', 'recentchanges', 'rc_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
139 [ 'addPgField', 'recentchanges', 'rc_log_action', 'TEXT' ],
140 [ 'addPgField', 'recentchanges', 'rc_log_type', 'TEXT' ],
141 [ 'addPgField', 'recentchanges', 'rc_logid', 'INTEGER NOT NULL DEFAULT 0' ],
142 [ 'addPgField', 'recentchanges', 'rc_new_len', 'INTEGER' ],
143 [ 'addPgField', 'recentchanges', 'rc_old_len', 'INTEGER' ],
144 [ 'addPgField', 'recentchanges', 'rc_params', 'TEXT' ],
145 [ 'addPgField', 'redirect', 'rd_interwiki', 'TEXT NULL' ],
146 [ 'addPgField', 'redirect', 'rd_fragment', 'TEXT NULL' ],
147 [ 'addPgField', 'revision', 'rev_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
148 [ 'addPgField', 'revision', 'rev_len', 'INTEGER' ],
149 [ 'addPgField', 'revision', 'rev_parent_id', 'INTEGER DEFAULT NULL' ],
150 [ 'addPgField', 'revision', 'rev_content_model', 'TEXT' ],
151 [ 'addPgField', 'revision', 'rev_content_format', 'TEXT' ],
152 [ 'addPgField', 'site_stats', 'ss_active_users', "INTEGER DEFAULT '-1'" ],
153 [ 'addPgField', 'user_newtalk', 'user_last_timestamp', 'TIMESTAMPTZ' ],
154 [ 'addPgField', 'logging', 'log_user_text', "TEXT NOT NULL DEFAULT ''" ],
155 [ 'addPgField', 'logging', 'log_page', 'INTEGER' ],
156 [ 'addPgField', 'interwiki', 'iw_api', "TEXT NOT NULL DEFAULT ''" ],
157 [ 'addPgField', 'interwiki', 'iw_wikiid', "TEXT NOT NULL DEFAULT ''" ],
158 [ 'addPgField', 'revision', 'rev_sha1', "TEXT NOT NULL DEFAULT ''" ],
159 [ 'addPgField', 'archive', 'ar_sha1', "TEXT NOT NULL DEFAULT ''" ],
160 [ 'addPgField', 'uploadstash', 'us_chunk_inx', "INTEGER NULL" ],
161 [ 'addPgField', 'job', 'job_timestamp', "TIMESTAMPTZ" ],
162 [ 'addPgField', 'job', 'job_random', "INTEGER NOT NULL DEFAULT 0" ],
163 [ 'addPgField', 'job', 'job_attempts', "INTEGER NOT NULL DEFAULT 0" ],
164 [ 'addPgField', 'job', 'job_token', "TEXT NOT NULL DEFAULT ''" ],
165 [ 'addPgField', 'job', 'job_token_timestamp', "TIMESTAMPTZ" ],
166 [ 'addPgField', 'job', 'job_sha1', "TEXT NOT NULL DEFAULT ''" ],
167 [ 'addPgField', 'archive', 'ar_id',
168 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('archive_ar_id_seq')" ],
169 [ 'addPgField', 'externallinks', 'el_id',
170 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('externallinks_el_id_seq')" ],
171 [ 'addPgField', 'uploadstash', 'us_props', "BYTEA" ],
173 # type changes
174 [ 'changeField', 'archive', 'ar_deleted', 'smallint', '' ],
175 [ 'changeField', 'archive', 'ar_minor_edit', 'smallint',
176 'ar_minor_edit::smallint DEFAULT 0' ],
177 [ 'changeField', 'filearchive', 'fa_deleted', 'smallint', '' ],
178 [ 'changeField', 'filearchive', 'fa_height', 'integer', '' ],
179 [ 'changeField', 'filearchive', 'fa_metadata', 'bytea', "decode(fa_metadata,'escape')" ],
180 [ 'changeField', 'filearchive', 'fa_size', 'integer', '' ],
181 [ 'changeField', 'filearchive', 'fa_width', 'integer', '' ],
182 [ 'changeField', 'filearchive', 'fa_storage_group', 'text', '' ],
183 [ 'changeField', 'filearchive', 'fa_storage_key', 'text', '' ],
184 [ 'changeField', 'image', 'img_metadata', 'bytea', "decode(img_metadata,'escape')" ],
185 [ 'changeField', 'image', 'img_size', 'integer', '' ],
186 [ 'changeField', 'image', 'img_width', 'integer', '' ],
187 [ 'changeField', 'image', 'img_height', 'integer', '' ],
188 [ 'changeField', 'interwiki', 'iw_local', 'smallint', 'iw_local::smallint' ],
189 [ 'changeField', 'interwiki', 'iw_trans', 'smallint', 'iw_trans::smallint DEFAULT 0' ],
190 [ 'changeField', 'ipblocks', 'ipb_auto', 'smallint', 'ipb_auto::smallint DEFAULT 0' ],
191 [ 'changeField', 'ipblocks', 'ipb_anon_only', 'smallint',
192 "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0" ],
193 [ 'changeField', 'ipblocks', 'ipb_create_account', 'smallint',
194 "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1" ],
195 [ 'changeField', 'ipblocks', 'ipb_enable_autoblock', 'smallint',
196 "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1" ],
197 [ 'changeField', 'ipblocks', 'ipb_block_email', 'smallint',
198 "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0" ],
199 [ 'changeField', 'ipblocks', 'ipb_address', 'text', 'ipb_address::text' ],
200 [ 'changeField', 'ipblocks', 'ipb_deleted', 'smallint', 'ipb_deleted::smallint DEFAULT 0' ],
201 [ 'changeField', 'mwuser', 'user_token', 'text', '' ],
202 [ 'changeField', 'mwuser', 'user_email_token', 'text', '' ],
203 [ 'changeField', 'objectcache', 'keyname', 'text', '' ],
204 [ 'changeField', 'oldimage', 'oi_height', 'integer', '' ],
205 [ 'changeField', 'oldimage', 'oi_metadata', 'bytea', "decode(img_metadata,'escape')" ],
206 [ 'changeField', 'oldimage', 'oi_size', 'integer', '' ],
207 [ 'changeField', 'oldimage', 'oi_width', 'integer', '' ],
208 [ 'changeField', 'page', 'page_is_redirect', 'smallint',
209 'page_is_redirect::smallint DEFAULT 0' ],
210 [ 'changeField', 'page', 'page_is_new', 'smallint', 'page_is_new::smallint DEFAULT 0' ],
211 [ 'changeField', 'querycache', 'qc_value', 'integer', '' ],
212 [ 'changeField', 'querycachetwo', 'qcc_value', 'integer', '' ],
213 [ 'changeField', 'recentchanges', 'rc_bot', 'smallint', 'rc_bot::smallint DEFAULT 0' ],
214 [ 'changeField', 'recentchanges', 'rc_deleted', 'smallint', '' ],
215 [ 'changeField', 'recentchanges', 'rc_minor', 'smallint', 'rc_minor::smallint DEFAULT 0' ],
216 [ 'changeField', 'recentchanges', 'rc_new', 'smallint', 'rc_new::smallint DEFAULT 0' ],
217 [ 'changeField', 'recentchanges', 'rc_type', 'smallint', 'rc_type::smallint DEFAULT 0' ],
218 [ 'changeField', 'recentchanges', 'rc_patrolled', 'smallint',
219 'rc_patrolled::smallint DEFAULT 0' ],
220 [ 'changeField', 'revision', 'rev_deleted', 'smallint', 'rev_deleted::smallint DEFAULT 0' ],
221 [ 'changeField', 'revision', 'rev_minor_edit', 'smallint',
222 'rev_minor_edit::smallint DEFAULT 0' ],
223 [ 'changeField', 'templatelinks', 'tl_namespace', 'smallint', 'tl_namespace::smallint' ],
224 [ 'changeField', 'user_newtalk', 'user_ip', 'text', 'host(user_ip)' ],
225 [ 'changeField', 'uploadstash', 'us_image_bits', 'smallint', '' ],
226 [ 'changeField', 'profiling', 'pf_time', 'float', '' ],
227 [ 'changeField', 'profiling', 'pf_memory', 'float', '' ],
229 # null changes
230 [ 'changeNullableField', 'oldimage', 'oi_bits', 'NULL' ],
231 [ 'changeNullableField', 'oldimage', 'oi_timestamp', 'NULL' ],
232 [ 'changeNullableField', 'oldimage', 'oi_major_mime', 'NULL' ],
233 [ 'changeNullableField', 'oldimage', 'oi_minor_mime', 'NULL' ],
234 [ 'changeNullableField', 'image', 'img_metadata', 'NOT NULL' ],
235 [ 'changeNullableField', 'filearchive', 'fa_metadata', 'NOT NULL' ],
236 [ 'changeNullableField', 'recentchanges', 'rc_cur_id', 'NULL' ],
237 [ 'changeNullableField', 'recentchanges', 'rc_cur_time', 'NULL' ],
239 [ 'checkOiDeleted' ],
241 # New indexes
242 [ 'addPgIndex', 'archive', 'archive_user_text', '(ar_user_text)' ],
243 [ 'addPgIndex', 'image', 'img_sha1', '(img_sha1)' ],
244 [ 'addPgIndex', 'ipblocks', 'ipb_parent_block_id', '(ipb_parent_block_id)' ],
245 [ 'addPgIndex', 'oldimage', 'oi_sha1', '(oi_sha1)' ],
246 [ 'addPgIndex', 'page', 'page_mediawiki_title', '(page_title) WHERE page_namespace = 8' ],
247 [ 'addPgIndex', 'pagelinks', 'pagelinks_title', '(pl_title)' ],
248 [ 'addPgIndex', 'page_props', 'pp_propname_page', '(pp_propname, pp_page)' ],
249 [ 'addPgIndex', 'revision', 'rev_text_id_idx', '(rev_text_id)' ],
250 [ 'addPgIndex', 'recentchanges', 'rc_timestamp_bot', '(rc_timestamp) WHERE rc_bot = 0' ],
251 [ 'addPgIndex', 'templatelinks', 'templatelinks_from', '(tl_from)' ],
252 [ 'addPgIndex', 'watchlist', 'wl_user', '(wl_user)' ],
253 [ 'addPgIndex', 'watchlist', 'wl_user_notificationtimestamp',
254 '(wl_user, wl_notificationtimestamp)' ],
255 [ 'addPgIndex', 'logging', 'logging_user_type_time',
256 '(log_user, log_type, log_timestamp)' ],
257 [ 'addPgIndex', 'logging', 'logging_page_id_time', '(log_page,log_timestamp)' ],
258 [ 'addPgIndex', 'iwlinks', 'iwl_prefix_from_title', '(iwl_prefix, iwl_from, iwl_title)' ],
259 [ 'addPgIndex', 'iwlinks', 'iwl_prefix_title_from', '(iwl_prefix, iwl_title, iwl_from)' ],
260 [ 'addPgIndex', 'job', 'job_timestamp_idx', '(job_timestamp)' ],
261 [ 'addPgIndex', 'job', 'job_sha1', '(job_sha1)' ],
262 [ 'addPgIndex', 'job', 'job_cmd_token', '(job_cmd, job_token, job_random)' ],
263 [ 'addPgIndex', 'job', 'job_cmd_token_id', '(job_cmd, job_token, job_id)' ],
264 [ 'addPgIndex', 'filearchive', 'fa_sha1', '(fa_sha1)' ],
265 [ 'addPgIndex', 'logging', 'logging_user_text_type_time',
266 '(log_user_text, log_type, log_timestamp)' ],
267 [ 'addPgIndex', 'logging', 'logging_user_text_time', '(log_user_text, log_timestamp)' ],
269 [ 'checkIndex', 'pagelink_unique', [
270 [ 'pl_from', 'int4_ops', 'btree', 0 ],
271 [ 'pl_namespace', 'int2_ops', 'btree', 0 ],
272 [ 'pl_title', 'text_ops', 'btree', 0 ],
274 'CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)' ],
275 [ 'checkIndex', 'cl_sortkey', [
276 [ 'cl_to', 'text_ops', 'btree', 0 ],
277 [ 'cl_sortkey', 'text_ops', 'btree', 0 ],
278 [ 'cl_from', 'int4_ops', 'btree', 0 ],
280 'CREATE INDEX cl_sortkey ON "categorylinks" ' .
281 'USING "btree" ("cl_to", "cl_sortkey", "cl_from")' ],
282 [ 'checkIndex', 'iwl_prefix_title_from', [
283 [ 'iwl_prefix', 'text_ops', 'btree', 0 ],
284 [ 'iwl_title', 'text_ops', 'btree', 0 ],
285 [ 'iwl_from', 'int4_ops', 'btree', 0 ],
287 'CREATE INDEX iwl_prefix_title_from ON "iwlinks" ' .
288 'USING "btree" ("iwl_prefix", "iwl_title", "iwl_from")' ],
289 [ 'checkIndex', 'logging_times', [
290 [ 'log_timestamp', 'timestamptz_ops', 'btree', 0 ],
292 'CREATE INDEX "logging_times" ON "logging" USING "btree" ("log_timestamp")' ],
293 [ 'dropIndex', 'oldimage', 'oi_name' ],
294 [ 'checkIndex', 'oi_name_archive_name', [
295 [ 'oi_name', 'text_ops', 'btree', 0 ],
296 [ 'oi_archive_name', 'text_ops', 'btree', 0 ],
298 'CREATE INDEX "oi_name_archive_name" ON "oldimage" ' .
299 'USING "btree" ("oi_name", "oi_archive_name")' ],
300 [ 'checkIndex', 'oi_name_timestamp', [
301 [ 'oi_name', 'text_ops', 'btree', 0 ],
302 [ 'oi_timestamp', 'timestamptz_ops', 'btree', 0 ],
304 'CREATE INDEX "oi_name_timestamp" ON "oldimage" ' .
305 'USING "btree" ("oi_name", "oi_timestamp")' ],
306 [ 'checkIndex', 'page_main_title', [
307 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
309 'CREATE INDEX "page_main_title" ON "page" ' .
310 'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 0)' ],
311 [ 'checkIndex', 'page_mediawiki_title', [
312 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
314 'CREATE INDEX "page_mediawiki_title" ON "page" ' .
315 'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 8)' ],
316 [ 'checkIndex', 'page_project_title', [
317 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
319 'CREATE INDEX "page_project_title" ON "page" ' .
320 'USING "btree" ("page_title" "text_pattern_ops") ' .
321 'WHERE ("page_namespace" = 4)' ],
322 [ 'checkIndex', 'page_talk_title', [
323 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
325 'CREATE INDEX "page_talk_title" ON "page" ' .
326 'USING "btree" ("page_title" "text_pattern_ops") ' .
327 'WHERE ("page_namespace" = 1)' ],
328 [ 'checkIndex', 'page_user_title', [
329 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
331 'CREATE INDEX "page_user_title" ON "page" ' .
332 'USING "btree" ("page_title" "text_pattern_ops") WHERE ' .
333 '("page_namespace" = 2)' ],
334 [ 'checkIndex', 'page_utalk_title', [
335 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
337 'CREATE INDEX "page_utalk_title" ON "page" ' .
338 'USING "btree" ("page_title" "text_pattern_ops") ' .
339 'WHERE ("page_namespace" = 3)' ],
340 [ 'checkIndex', 'ts2_page_text', [
341 [ 'textvector', 'tsvector_ops', 'gist', 0 ],
343 'CREATE INDEX "ts2_page_text" ON "pagecontent" USING "gist" ("textvector")' ],
344 [ 'checkIndex', 'ts2_page_title', [
345 [ 'titlevector', 'tsvector_ops', 'gist', 0 ],
347 'CREATE INDEX "ts2_page_title" ON "page" USING "gist" ("titlevector")' ],
349 [ 'checkOiNameConstraint' ],
350 [ 'checkPageDeletedTrigger' ],
351 [ 'checkRevUserFkey' ],
352 [ 'dropIndex', 'ipblocks', 'ipb_address' ],
353 [ 'checkIndex', 'ipb_address_unique', [
354 [ 'ipb_address', 'text_ops', 'btree', 0 ],
355 [ 'ipb_user', 'int4_ops', 'btree', 0 ],
356 [ 'ipb_auto', 'int2_ops', 'btree', 0 ],
357 [ 'ipb_anon_only', 'int2_ops', 'btree', 0 ],
359 'CREATE UNIQUE INDEX ipb_address_unique ' .
360 'ON ipblocks (ipb_address,ipb_user,ipb_auto,ipb_anon_only)' ],
362 [ 'checkIwlPrefix' ],
364 # All FK columns should be deferred
365 [ 'changeFkeyDeferrable', 'archive', 'ar_user', 'mwuser(user_id) ON DELETE SET NULL' ],
366 [ 'changeFkeyDeferrable', 'categorylinks', 'cl_from', 'page(page_id) ON DELETE CASCADE' ],
367 [ 'changeFkeyDeferrable', 'externallinks', 'el_from', 'page(page_id) ON DELETE CASCADE' ],
368 [ 'changeFkeyDeferrable', 'filearchive', 'fa_deleted_user',
369 'mwuser(user_id) ON DELETE SET NULL' ],
370 [ 'changeFkeyDeferrable', 'filearchive', 'fa_user', 'mwuser(user_id) ON DELETE SET NULL' ],
371 [ 'changeFkeyDeferrable', 'image', 'img_user', 'mwuser(user_id) ON DELETE SET NULL' ],
372 [ 'changeFkeyDeferrable', 'imagelinks', 'il_from', 'page(page_id) ON DELETE CASCADE' ],
373 [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_by', 'mwuser(user_id) ON DELETE CASCADE' ],
374 [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_user', 'mwuser(user_id) ON DELETE SET NULL' ],
375 [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_parent_block_id',
376 'ipblocks(ipb_id) ON DELETE SET NULL' ],
377 [ 'changeFkeyDeferrable', 'langlinks', 'll_from', 'page(page_id) ON DELETE CASCADE' ],
378 [ 'changeFkeyDeferrable', 'logging', 'log_user', 'mwuser(user_id) ON DELETE SET NULL' ],
379 [ 'changeFkeyDeferrable', 'oldimage', 'oi_name',
380 'image(img_name) ON DELETE CASCADE ON UPDATE CASCADE' ],
381 [ 'changeFkeyDeferrable', 'oldimage', 'oi_user', 'mwuser(user_id) ON DELETE SET NULL' ],
382 [ 'changeFkeyDeferrable', 'pagelinks', 'pl_from', 'page(page_id) ON DELETE CASCADE' ],
383 [ 'changeFkeyDeferrable', 'page_props', 'pp_page', 'page (page_id) ON DELETE CASCADE' ],
384 [ 'changeFkeyDeferrable', 'page_restrictions', 'pr_page',
385 'page(page_id) ON DELETE CASCADE' ],
386 [ 'changeFkeyDeferrable', 'protected_titles', 'pt_user',
387 'mwuser(user_id) ON DELETE SET NULL' ],
388 [ 'changeFkeyDeferrable', 'recentchanges', 'rc_user',
389 'mwuser(user_id) ON DELETE SET NULL' ],
390 [ 'changeFkeyDeferrable', 'redirect', 'rd_from', 'page(page_id) ON DELETE CASCADE' ],
391 [ 'changeFkeyDeferrable', 'revision', 'rev_page', 'page (page_id) ON DELETE CASCADE' ],
392 [ 'changeFkeyDeferrable', 'revision', 'rev_user', 'mwuser(user_id) ON DELETE RESTRICT' ],
393 [ 'changeFkeyDeferrable', 'templatelinks', 'tl_from', 'page(page_id) ON DELETE CASCADE' ],
394 [ 'changeFkeyDeferrable', 'user_groups', 'ug_user', 'mwuser(user_id) ON DELETE CASCADE' ],
395 [ 'changeFkeyDeferrable', 'user_newtalk', 'user_id', 'mwuser(user_id) ON DELETE CASCADE' ],
396 [ 'changeFkeyDeferrable', 'user_properties', 'up_user',
397 'mwuser(user_id) ON DELETE CASCADE' ],
398 [ 'changeFkeyDeferrable', 'watchlist', 'wl_user', 'mwuser(user_id) ON DELETE CASCADE' ],
400 # r81574
401 [ 'addInterwikiType' ],
402 # end
403 [ 'tsearchFixes' ],
405 // 1.23
406 [ 'addPgField', 'recentchanges', 'rc_source', "TEXT NOT NULL DEFAULT ''" ],
407 [ 'addPgField', 'page', 'page_links_updated', "TIMESTAMPTZ NULL" ],
408 [ 'addPgField', 'mwuser', 'user_password_expires', 'TIMESTAMPTZ NULL' ],
409 [ 'changeFieldPurgeTable', 'l10n_cache', 'lc_value', 'bytea',
410 "replace(lc_value,'\','\\\\')::bytea" ],
411 // 1.23.9
412 [ 'rebuildTextSearch' ],
414 // 1.24
415 [ 'addPgField', 'page_props', 'pp_sortkey', 'float NULL' ],
416 [ 'addPgIndex', 'page_props', 'pp_propname_sortkey_page',
417 '( pp_propname, pp_sortkey, pp_page ) WHERE ( pp_sortkey IS NOT NULL )' ],
418 [ 'addPgField', 'page', 'page_lang', 'TEXT default NULL' ],
419 [ 'addPgField', 'pagelinks', 'pl_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
420 [ 'addPgField', 'templatelinks', 'tl_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
421 [ 'addPgField', 'imagelinks', 'il_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
423 // 1.25
424 [ 'dropTable', 'hitcounter' ],
425 [ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
426 [ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
427 [ 'dropFkey', 'recentchanges', 'rc_cur_id' ],
429 // 1.27
430 [ 'dropTable', 'msg_resource_links' ],
431 [ 'dropTable', 'msg_resource' ],
433 'addPgField', 'watchlist', 'wl_id',
434 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('watchlist_wl_id_seq')"
437 // 1.28
438 [ 'addPgIndex', 'recentchanges', 'rc_name_type_patrolled_timestamp',
439 '( rc_namespace, rc_type, rc_patrolled, rc_timestamp )' ],
443 protected function getOldGlobalUpdates() {
444 global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
446 $updates = [];
448 # Add missing extension tables
449 foreach ( $wgExtNewTables as $tableRecord ) {
450 $updates[] = [
451 'addTable', $tableRecord[0], $tableRecord[1], true
455 # Add missing extension fields
456 foreach ( $wgExtPGNewFields as $fieldRecord ) {
457 $updates[] = [
458 'addPgField', $fieldRecord[0], $fieldRecord[1],
459 $fieldRecord[2]
463 # Change altered columns
464 foreach ( $wgExtPGAlteredFields as $fieldRecord ) {
465 $updates[] = [
466 'changeField', $fieldRecord[0], $fieldRecord[1],
467 $fieldRecord[2]
471 # Add missing extension indexes
472 foreach ( $wgExtNewIndexes as $fieldRecord ) {
473 $updates[] = [
474 'addPgExtIndex', $fieldRecord[0], $fieldRecord[1],
475 $fieldRecord[2]
479 return $updates;
482 protected function describeTable( $table ) {
483 $q = <<<END
484 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
485 WHERE pg_class.relnamespace = pg_namespace.oid
486 AND attrelid=pg_class.oid AND attnum > 0
487 AND relname=%s AND nspname=%s
488 END;
489 $res = $this->db->query( sprintf( $q,
490 $this->db->addQuotes( $table ),
491 $this->db->addQuotes( $this->db->getCoreSchema() ) ) );
492 if ( !$res ) {
493 return null;
496 $cols = [];
497 foreach ( $res as $r ) {
498 $cols[] = [
499 "name" => $r[0],
500 "ord" => $r[1],
504 return $cols;
507 function describeIndex( $idx ) {
508 // first fetch the key (which is a list of columns ords) and
509 // the table the index applies to (an oid)
510 $q = <<<END
511 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
512 WHERE nspname=%s
513 AND pg_class.relnamespace = pg_namespace.oid
514 AND relname=%s
515 AND indexrelid=pg_class.oid
516 END;
517 $res = $this->db->query(
518 sprintf(
520 $this->db->addQuotes( $this->db->getCoreSchema() ),
521 $this->db->addQuotes( $idx )
524 if ( !$res ) {
525 return null;
527 $r = $this->db->fetchRow( $res );
528 if ( !$r ) {
529 return null;
532 $indkey = $r[0];
533 $relid = intval( $r[1] );
534 $indkeys = explode( ' ', $indkey );
536 $colnames = [];
537 foreach ( $indkeys as $rid ) {
538 $query = <<<END
539 SELECT attname FROM pg_class, pg_attribute
540 WHERE attrelid=$relid
541 AND attnum=%d
542 AND attrelid=pg_class.oid
543 END;
544 $r2 = $this->db->query( sprintf( $query, $rid ) );
545 if ( !$r2 ) {
546 return null;
548 $row2 = $this->db->fetchRow( $r2 );
549 if ( !$row2 ) {
550 return null;
552 $colnames[] = $row2[0];
555 return $colnames;
558 function fkeyDeltype( $fkey ) {
559 $q = <<<END
560 SELECT confdeltype FROM pg_constraint, pg_namespace
561 WHERE connamespace=pg_namespace.oid
562 AND nspname=%s
563 AND conname=%s;
564 END;
565 $r = $this->db->query(
566 sprintf(
568 $this->db->addQuotes( $this->db->getCoreSchema() ),
569 $this->db->addQuotes( $fkey )
572 $row = $this->db->fetchRow( $r );
573 if ( !$row ) {
574 return null;
577 return $row[0];
580 function ruleDef( $table, $rule ) {
581 $q = <<<END
582 SELECT definition FROM pg_rules
583 WHERE schemaname = %s
584 AND tablename = %s
585 AND rulename = %s
586 END;
587 $r = $this->db->query(
588 sprintf(
590 $this->db->addQuotes( $this->db->getCoreSchema() ),
591 $this->db->addQuotes( $table ),
592 $this->db->addQuotes( $rule )
595 $row = $this->db->fetchRow( $r );
596 if ( !$row ) {
597 return null;
599 $d = $row[0];
601 return $d;
604 protected function addSequence( $table, $pkey, $ns ) {
605 if ( !$this->db->sequenceExists( $ns ) ) {
606 $this->output( "Creating sequence $ns\n" );
607 $this->db->query( "CREATE SEQUENCE $ns" );
608 if ( $pkey !== false ) {
609 $this->setDefault( $table, $pkey, '"nextval"(\'"' . $ns . '"\'::"regclass")' );
614 protected function renameSequence( $old, $new ) {
615 if ( $this->db->sequenceExists( $new ) ) {
616 $this->output( "...sequence $new already exists.\n" );
618 return;
620 if ( $this->db->sequenceExists( $old ) ) {
621 $this->output( "Renaming sequence $old to $new\n" );
622 $this->db->query( "ALTER SEQUENCE $old RENAME TO $new" );
626 protected function renameTable( $old, $new, $patch = false ) {
627 if ( $this->db->tableExists( $old ) ) {
628 $this->output( "Renaming table $old to $new\n" );
629 $old = $this->db->realTableName( $old, "quoted" );
630 $new = $this->db->realTableName( $new, "quoted" );
631 $this->db->query( "ALTER TABLE $old RENAME TO $new" );
632 if ( $patch !== false ) {
633 $this->applyPatch( $patch );
638 protected function renameIndex(
639 $table, $old, $new, $skipBothIndexExistWarning = false, $a = false, $b = false
641 // First requirement: the table must exist
642 if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
643 $this->output( "...skipping: '$table' table doesn't exist yet.\n" );
645 return;
648 // Second requirement: the new index must be missing
649 if ( $this->db->indexExists( $table, $new, __METHOD__ ) ) {
650 $this->output( "...index $new already set on $table table.\n" );
651 if ( !$skipBothIndexExistWarning
652 && $this->db->indexExists( $table, $old, __METHOD__ )
654 $this->output( "...WARNING: $old still exists, despite it has been " .
655 "renamed into $new (which also exists).\n" .
656 " $old should be manually removed if not needed anymore.\n" );
659 return;
662 // Third requirement: the old index must exist
663 if ( !$this->db->indexExists( $table, $old, __METHOD__ ) ) {
664 $this->output( "...skipping: index $old doesn't exist.\n" );
666 return;
669 $this->db->query( "ALTER INDEX $old RENAME TO $new" );
672 protected function addPgField( $table, $field, $type ) {
673 $fi = $this->db->fieldInfo( $table, $field );
674 if ( !is_null( $fi ) ) {
675 $this->output( "...column '$table.$field' already exists\n" );
677 return;
678 } else {
679 $this->output( "Adding column '$table.$field'\n" );
680 $this->db->query( "ALTER TABLE $table ADD $field $type" );
684 protected function changeField( $table, $field, $newtype, $default ) {
685 $fi = $this->db->fieldInfo( $table, $field );
686 if ( is_null( $fi ) ) {
687 $this->output( "...ERROR: expected column $table.$field to exist\n" );
688 exit( 1 );
691 if ( $fi->type() === $newtype ) {
692 $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
693 } else {
694 $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
695 $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
696 if ( strlen( $default ) ) {
697 $res = [];
698 if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
699 $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
700 $this->db->query( $sqldef );
701 $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
703 $sql .= " USING $default";
705 $this->db->query( $sql );
709 protected function changeFieldPurgeTable( $table, $field, $newtype, $default ) {
710 # # For a cache table, empty it if the field needs to be changed, because the old contents
711 # # may be corrupted. If the column is already the desired type, refrain from purging.
712 $fi = $this->db->fieldInfo( $table, $field );
713 if ( is_null( $fi ) ) {
714 $this->output( "...ERROR: expected column $table.$field to exist\n" );
715 exit( 1 );
718 if ( $fi->type() === $newtype ) {
719 $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
720 } else {
721 $this->output( "Purging data from cache table '$table'\n" );
722 $this->db->query( "DELETE from $table" );
723 $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
724 $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
725 if ( strlen( $default ) ) {
726 $res = [];
727 if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
728 $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
729 $this->db->query( $sqldef );
730 $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
732 $sql .= " USING $default";
734 $this->db->query( $sql );
738 protected function setDefault( $table, $field, $default ) {
740 $info = $this->db->fieldInfo( $table, $field );
741 if ( $info->defaultValue() !== $default ) {
742 $this->output( "Changing '$table.$field' default value\n" );
743 $this->db->query( "ALTER TABLE $table ALTER $field SET DEFAULT " . $default );
747 protected function changeNullableField( $table, $field, $null ) {
748 $fi = $this->db->fieldInfo( $table, $field );
749 if ( is_null( $fi ) ) {
750 $this->output( "...ERROR: expected column $table.$field to exist\n" );
751 exit( 1 );
753 if ( $fi->isNullable() ) {
754 # # It's NULL - does it need to be NOT NULL?
755 if ( 'NOT NULL' === $null ) {
756 $this->output( "Changing '$table.$field' to not allow NULLs\n" );
757 $this->db->query( "ALTER TABLE $table ALTER $field SET NOT NULL" );
758 } else {
759 $this->output( "...column '$table.$field' is already set as NULL\n" );
761 } else {
762 # # It's NOT NULL - does it need to be NULL?
763 if ( 'NULL' === $null ) {
764 $this->output( "Changing '$table.$field' to allow NULLs\n" );
765 $this->db->query( "ALTER TABLE $table ALTER $field DROP NOT NULL" );
766 } else {
767 $this->output( "...column '$table.$field' is already set as NOT NULL\n" );
772 public function addPgIndex( $table, $index, $type ) {
773 if ( $this->db->indexExists( $table, $index ) ) {
774 $this->output( "...index '$index' on table '$table' already exists\n" );
775 } else {
776 $this->output( "Creating index '$index' on table '$table' $type\n" );
777 $this->db->query( "CREATE INDEX $index ON $table $type" );
781 public function addPgExtIndex( $table, $index, $type ) {
782 if ( $this->db->indexExists( $table, $index ) ) {
783 $this->output( "...index '$index' on table '$table' already exists\n" );
784 } else {
785 if ( preg_match( '/^\(/', $type ) ) {
786 $this->output( "Creating index '$index' on table '$table'\n" );
787 $this->db->query( "CREATE INDEX $index ON $table $type" );
788 } else {
789 $this->applyPatch( $type, true, "Creating index '$index' on table '$table'" );
794 protected function dropFkey( $table, $field ) {
795 $fi = $this->db->fieldInfo( $table, $field );
796 if ( is_null( $fi ) ) {
797 $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
798 "Please report this.\n" );
799 return;
801 $conname = $fi->conname();
802 if ( $fi->conname() ) {
803 $this->output( "Dropping foreign key constraint on '$table.$field'\n" );
804 $conclause = "CONSTRAINT \"$conname\"";
805 $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
806 $this->db->query( $command );
807 } else {
808 $this->output( "...foreign key constraint on '$table.$field' already does not exist\n" );
812 protected function changeFkeyDeferrable( $table, $field, $clause ) {
813 $fi = $this->db->fieldInfo( $table, $field );
814 if ( is_null( $fi ) ) {
815 $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
816 "Please report this.\n" );
818 return;
820 if ( $fi->is_deferred() && $fi->is_deferrable() ) {
821 return;
823 $this->output( "Altering column '$table.$field' to be DEFERRABLE INITIALLY DEFERRED\n" );
824 $conname = $fi->conname();
825 if ( $fi->conname() ) {
826 $conclause = "CONSTRAINT \"$conname\"";
827 $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
828 $this->db->query( $command );
829 } else {
830 $this->output( "Column '$table.$field' does not have a foreign key " .
831 "constraint, will be added\n" );
832 $conclause = "";
834 $command =
835 "ALTER TABLE $table ADD $conclause " .
836 "FOREIGN KEY ($field) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
837 $this->db->query( $command );
840 protected function convertArchive2() {
841 if ( $this->db->tableExists( "archive2" ) ) {
842 if ( $this->db->ruleExists( 'archive', 'archive_insert' ) ) {
843 $this->output( "Dropping rule 'archive_insert'\n" );
844 $this->db->query( 'DROP RULE archive_insert ON archive' );
846 if ( $this->db->ruleExists( 'archive', 'archive_delete' ) ) {
847 $this->output( "Dropping rule 'archive_delete'\n" );
848 $this->db->query( 'DROP RULE archive_delete ON archive' );
850 $this->applyPatch(
851 'patch-remove-archive2.sql',
852 false,
853 "Converting 'archive2' back to normal archive table"
855 } else {
856 $this->output( "...obsolete table 'archive2' does not exist\n" );
860 protected function checkOiDeleted() {
861 if ( $this->db->fieldInfo( 'oldimage', 'oi_deleted' )->type() !== 'smallint' ) {
862 $this->output( "Changing 'oldimage.oi_deleted' to type 'smallint'\n" );
863 $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
864 $this->db->query(
865 "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
866 $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
867 } else {
868 $this->output( "...column 'oldimage.oi_deleted' is already of type 'smallint'\n" );
872 protected function checkOiNameConstraint() {
873 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascaded" ) ) {
874 $this->output( "...table 'oldimage' has correct cascading delete/update " .
875 "foreign key to image\n" );
876 } else {
877 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey" ) ) {
878 $this->db->query(
879 "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
881 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascade" ) ) {
882 $this->db->query(
883 "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
885 $this->output( "Making foreign key on table 'oldimage' (to image) a cascade delete/update\n" );
886 $this->db->query(
887 "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded " .
888 "FOREIGN KEY (oi_name) REFERENCES image(img_name) " .
889 "ON DELETE CASCADE ON UPDATE CASCADE" );
893 protected function checkPageDeletedTrigger() {
894 if ( !$this->db->triggerExists( 'page', 'page_deleted' ) ) {
895 $this->applyPatch(
896 'patch-page_deleted.sql',
897 false,
898 "Adding function and trigger 'page_deleted' to table 'page'"
900 } else {
901 $this->output( "...table 'page' has 'page_deleted' trigger\n" );
905 protected function dropIndex( $table, $index, $patch = '', $fullpath = false ) {
906 if ( $this->db->indexExists( $table, $index ) ) {
907 $this->output( "Dropping obsolete index '$index'\n" );
908 $this->db->query( "DROP INDEX \"" . $index . "\"" );
912 protected function checkIndex( $index, $should_be, $good_def ) {
913 $pu = $this->db->indexAttributes( $index );
914 if ( !empty( $pu ) && $pu != $should_be ) {
915 $this->output( "Dropping obsolete version of index '$index'\n" );
916 $this->db->query( "DROP INDEX \"" . $index . "\"" );
917 $pu = [];
918 } else {
919 $this->output( "...no need to drop index '$index'\n" );
922 if ( empty( $pu ) ) {
923 $this->output( "Creating index '$index'\n" );
924 $this->db->query( $good_def );
925 } else {
926 $this->output( "...index '$index' exists\n" );
930 protected function checkRevUserFkey() {
931 if ( $this->fkeyDeltype( 'revision_rev_user_fkey' ) == 'r' ) {
932 $this->output( "...constraint 'revision_rev_user_fkey' is ON DELETE RESTRICT\n" );
933 } else {
934 $this->applyPatch(
935 'patch-revision_rev_user_fkey.sql',
936 false,
937 "Changing constraint 'revision_rev_user_fkey' to ON DELETE RESTRICT"
942 protected function checkIwlPrefix() {
943 if ( $this->db->indexExists( 'iwlinks', 'iwl_prefix' ) ) {
944 $this->applyPatch(
945 'patch-rename-iwl_prefix.sql',
946 false,
947 "Replacing index 'iwl_prefix' with 'iwl_prefix_title_from'"
952 protected function addInterwikiType() {
953 $this->applyPatch( 'patch-add_interwiki.sql', false, "Refreshing add_interwiki()" );
956 protected function tsearchFixes() {
957 # Tweak the page_title tsearch2 trigger to filter out slashes
958 # This is create or replace, so harmless to call if not needed
959 $this->applyPatch( 'patch-ts2pagetitle.sql', false, "Refreshing ts2_page_title()" );
961 # If the server is 8.3 or higher, rewrite the tsearch2 triggers
962 # in case they have the old 'default' versions
963 # Gather version numbers in case we need them
964 if ( $this->db->getServerVersion() >= 8.3 ) {
965 $this->applyPatch( 'patch-tsearch2funcs.sql', false, "Rewriting tsearch2 triggers" );
969 protected function rebuildTextSearch() {
970 if ( $this->updateRowExists( 'patch-textsearch_bug66650.sql' ) ) {
971 $this->output( "...bug 66650 already fixed or not applicable.\n" );
972 return true;
974 $this->applyPatch( 'patch-textsearch_bug66650.sql', false,
975 'Rebuilding text search for bug 66650' );