dépôts / lhc / web / wiklou.git / blob
? search:


84d33b8e28286671bf16802c6c629d204e90de23
[lhc/web/wiklou.git] / includes / installer / PostgresUpdater.php
1 <?php
2 /**
3 * PostgreSQL-specific updater.
4 *
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.
9 *
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.
14 *
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
19 *
20 * @file
21 * @ingroup Deployment
22 */
23
24 use Wikimedia\Rdbms\DatabasePostgres;
25
26 /**
27 * Class for handling updates to Postgres databases.
28 *
29 * @ingroup Deployment
30 * @since 1.17
31 */
32 class PostgresUpdater extends DatabaseUpdater {
33
34 /**
35 * @var DatabasePostgres
36 */
37 protected $db;
38
39 /**
40 * @todo FIXME: Postgres should use sequential updates like Mysql, Sqlite
41 * and everybody else. It never got refactored like it should've.
42 * @return array
43 */
44 protected function getCoreUpdateList() {
45 return [
46 # rename tables 1.7.3
47 # r15791 Change reserved word table names "user" and "text"
48 [ 'renameTable', 'user', 'mwuser' ],
49 [ 'renameTable', 'text', 'pagecontent' ],
50 [ 'renameIndex', 'mwuser', 'user_pkey', 'mwuser_pkey' ],
51 [ 'renameIndex', 'mwuser', 'user_user_name_key', 'mwuser_user_name_key' ],
52 [ 'renameIndex', 'pagecontent', 'text_pkey', 'pagecontent_pkey' ],
53
54 # renamed sequences
55 [ 'renameSequence', 'ipblocks_ipb_id_val', 'ipblocks_ipb_id_seq' ],
56 [ 'renameSequence', 'rev_rev_id_val', 'revision_rev_id_seq' ],
57 [ 'renameSequence', 'text_old_id_val', 'text_old_id_seq' ],
58 [ 'renameSequence', 'rc_rc_id_seq', 'recentchanges_rc_id_seq' ],
59 [ 'renameSequence', 'log_log_id_seq', 'logging_log_id_seq' ],
60 [ 'renameSequence', 'pr_id_val', 'page_restrictions_pr_id_seq' ],
61 [ 'renameSequence', 'us_id_seq', 'uploadstash_us_id_seq' ],
62
63 # since r58263
64 [ 'renameSequence', 'category_id_seq', 'category_cat_id_seq' ],
65
66 # new sequences if not renamed above
67 [ 'addSequence', 'logging', false, 'logging_log_id_seq' ],
68 [ 'addSequence', 'page_restrictions', false, 'page_restrictions_pr_id_seq' ],
69 [ 'addSequence', 'filearchive', 'fa_id', 'filearchive_fa_id_seq' ],
70 [ 'addSequence', 'archive', false, 'archive_ar_id_seq' ],
71 [ 'addSequence', 'externallinks', false, 'externallinks_el_id_seq' ],
72 [ 'addSequence', 'watchlist', false, 'watchlist_wl_id_seq' ],
73 [ 'addSequence', 'change_tag', false, 'change_tag_ct_id_seq' ],
74 [ 'addSequence', 'tag_summary', false, 'tag_summary_ts_id_seq' ],
75
76 # new tables
77 [ 'addTable', 'category', 'patch-category.sql' ],
78 [ 'addTable', 'page', 'patch-page.sql' ],
79 [ 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ],
80 [ 'addTable', 'page_props', 'patch-page_props.sql' ],
81 [ 'addTable', 'page_restrictions', 'patch-page_restrictions.sql' ],
82 [ 'addTable', 'profiling', 'patch-profiling.sql' ],
83 [ 'addTable', 'protected_titles', 'patch-protected_titles.sql' ],
84 [ 'addTable', 'redirect', 'patch-redirect.sql' ],
85 [ 'addTable', 'updatelog', 'patch-updatelog.sql' ],
86 [ 'addTable', 'change_tag', 'patch-change_tag.sql' ],
87 [ 'addTable', 'tag_summary', 'patch-tag_summary.sql' ],
88 [ 'addTable', 'valid_tag', 'patch-valid_tag.sql' ],
89 [ 'addTable', 'user_properties', 'patch-user_properties.sql' ],
90 [ 'addTable', 'log_search', 'patch-log_search.sql' ],
91 [ 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ],
92 [ 'addTable', 'iwlinks', 'patch-iwlinks.sql' ],
93 [ 'addTable', 'module_deps', 'patch-module_deps.sql' ],
94 [ 'addTable', 'uploadstash', 'patch-uploadstash.sql' ],
95 [ 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ],
96 [ 'addTable', 'sites', 'patch-sites.sql' ],
97 [ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
98
99 # Needed before new field
100 [ 'convertArchive2' ],
101
102 # new fields
103 [ 'addPgField', 'updatelog', 'ul_value', 'TEXT' ],
104 [ 'addPgField', 'archive', 'ar_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
105 [ 'addPgField', 'archive', 'ar_len', 'INTEGER' ],
106 [ 'addPgField', 'archive', 'ar_page_id', 'INTEGER' ],
107 [ 'addPgField', 'archive', 'ar_parent_id', 'INTEGER' ],
108 [ 'addPgField', 'archive', 'ar_content_model', 'TEXT' ],
109 [ 'addPgField', 'archive', 'ar_content_format', 'TEXT' ],
110 [ 'addPgField', 'categorylinks', 'cl_sortkey_prefix', "TEXT NOT NULL DEFAULT ''" ],
111 [ 'addPgField', 'categorylinks', 'cl_collation', "TEXT NOT NULL DEFAULT 0" ],
112 [ 'addPgField', 'categorylinks', 'cl_type', "TEXT NOT NULL DEFAULT 'page'" ],
113 [ 'addPgField', 'image', 'img_sha1', "TEXT NOT NULL DEFAULT ''" ],
114 [ 'addPgField', 'ipblocks', 'ipb_allow_usertalk', 'SMALLINT NOT NULL DEFAULT 0' ],
115 [ 'addPgField', 'ipblocks', 'ipb_anon_only', 'SMALLINT NOT NULL DEFAULT 0' ],
116 [ 'addPgField', 'ipblocks', 'ipb_by_text', "TEXT NOT NULL DEFAULT ''" ],
117 [ 'addPgField', 'ipblocks', 'ipb_block_email', 'SMALLINT NOT NULL DEFAULT 0' ],
118 [ 'addPgField', 'ipblocks', 'ipb_create_account', 'SMALLINT NOT NULL DEFAULT 1' ],
119 [ 'addPgField', 'ipblocks', 'ipb_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
120 [ 'addPgField', 'ipblocks', 'ipb_enable_autoblock', 'SMALLINT NOT NULL DEFAULT 1' ],
121 [ 'addPgField', 'ipblocks', 'ipb_parent_block_id',
122 'INTEGER DEFAULT NULL REFERENCES ipblocks(ipb_id) ' .
123 'ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED' ],
124 [ 'addPgField', 'filearchive', 'fa_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
125 [ 'addPgField', 'filearchive', 'fa_sha1', "TEXT NOT NULL DEFAULT ''" ],
126 [ 'addPgField', 'logging', 'log_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
127 [ 'addPgField', 'logging', 'log_id',
128 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')" ],
129 [ 'addPgField', 'logging', 'log_params', 'TEXT' ],
130 [ 'addPgField', 'mwuser', 'user_editcount', 'INTEGER' ],
131 [ 'addPgField', 'mwuser', 'user_newpass_time', 'TIMESTAMPTZ' ],
132 [ 'addPgField', 'oldimage', 'oi_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
133 [ 'addPgField', 'oldimage', 'oi_major_mime', "TEXT NOT NULL DEFAULT 'unknown'" ],
134 [ 'addPgField', 'oldimage', 'oi_media_type', 'TEXT' ],
135 [ 'addPgField', 'oldimage', 'oi_metadata', "BYTEA NOT NULL DEFAULT ''" ],
136 [ 'addPgField', 'oldimage', 'oi_minor_mime', "TEXT NOT NULL DEFAULT 'unknown'" ],
137 [ 'addPgField', 'oldimage', 'oi_sha1', "TEXT NOT NULL DEFAULT ''" ],
138 [ 'addPgField', 'page', 'page_content_model', 'TEXT' ],
139 [ 'addPgField', 'page_restrictions', 'pr_id',
140 "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_seq')" ],
141 [ 'addPgField', 'profiling', 'pf_memory', 'NUMERIC(18,10) NOT NULL DEFAULT 0' ],
142 [ 'addPgField', 'recentchanges', 'rc_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
143 [ 'addPgField', 'recentchanges', 'rc_log_action', 'TEXT' ],
144 [ 'addPgField', 'recentchanges', 'rc_log_type', 'TEXT' ],
145 [ 'addPgField', 'recentchanges', 'rc_logid', 'INTEGER NOT NULL DEFAULT 0' ],
146 [ 'addPgField', 'recentchanges', 'rc_new_len', 'INTEGER' ],
147 [ 'addPgField', 'recentchanges', 'rc_old_len', 'INTEGER' ],
148 [ 'addPgField', 'recentchanges', 'rc_params', 'TEXT' ],
149 [ 'addPgField', 'redirect', 'rd_interwiki', 'TEXT NULL' ],
150 [ 'addPgField', 'redirect', 'rd_fragment', 'TEXT NULL' ],
151 [ 'addPgField', 'revision', 'rev_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
152 [ 'addPgField', 'revision', 'rev_len', 'INTEGER' ],
153 [ 'addPgField', 'revision', 'rev_parent_id', 'INTEGER DEFAULT NULL' ],
154 [ 'addPgField', 'revision', 'rev_content_model', 'TEXT' ],
155 [ 'addPgField', 'revision', 'rev_content_format', 'TEXT' ],
156 [ 'addPgField', 'site_stats', 'ss_active_users', "INTEGER DEFAULT '-1'" ],
157 [ 'addPgField', 'user_newtalk', 'user_last_timestamp', 'TIMESTAMPTZ' ],
158 [ 'addPgField', 'logging', 'log_user_text', "TEXT NOT NULL DEFAULT ''" ],
159 [ 'addPgField', 'logging', 'log_page', 'INTEGER' ],
160 [ 'addPgField', 'interwiki', 'iw_api', "TEXT NOT NULL DEFAULT ''" ],
161 [ 'addPgField', 'interwiki', 'iw_wikiid', "TEXT NOT NULL DEFAULT ''" ],
162 [ 'addPgField', 'revision', 'rev_sha1', "TEXT NOT NULL DEFAULT ''" ],
163 [ 'addPgField', 'archive', 'ar_sha1', "TEXT NOT NULL DEFAULT ''" ],
164 [ 'addPgField', 'uploadstash', 'us_chunk_inx', "INTEGER NULL" ],
165 [ 'addPgField', 'job', 'job_timestamp', "TIMESTAMPTZ" ],
166 [ 'addPgField', 'job', 'job_random', "INTEGER NOT NULL DEFAULT 0" ],
167 [ 'addPgField', 'job', 'job_attempts', "INTEGER NOT NULL DEFAULT 0" ],
168 [ 'addPgField', 'job', 'job_token', "TEXT NOT NULL DEFAULT ''" ],
169 [ 'addPgField', 'job', 'job_token_timestamp', "TIMESTAMPTZ" ],
170 [ 'addPgField', 'job', 'job_sha1', "TEXT NOT NULL DEFAULT ''" ],
171 [ 'addPgField', 'archive', 'ar_id',
172 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('archive_ar_id_seq')" ],
173 [ 'addPgField', 'externallinks', 'el_id',
174 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('externallinks_el_id_seq')" ],
175 [ 'addPgField', 'uploadstash', 'us_props', "BYTEA" ],
176
177 # type changes
178 [ 'changeField', 'archive', 'ar_deleted', 'smallint', '' ],
179 [ 'changeField', 'archive', 'ar_minor_edit', 'smallint',
180 'ar_minor_edit::smallint DEFAULT 0' ],
181 [ 'changeField', 'filearchive', 'fa_deleted', 'smallint', '' ],
182 [ 'changeField', 'filearchive', 'fa_height', 'integer', '' ],
183 [ 'changeField', 'filearchive', 'fa_metadata', 'bytea', "decode(fa_metadata,'escape')" ],
184 [ 'changeField', 'filearchive', 'fa_size', 'integer', '' ],
185 [ 'changeField', 'filearchive', 'fa_width', 'integer', '' ],
186 [ 'changeField', 'filearchive', 'fa_storage_group', 'text', '' ],
187 [ 'changeField', 'filearchive', 'fa_storage_key', 'text', '' ],
188 [ 'changeField', 'image', 'img_metadata', 'bytea', "decode(img_metadata,'escape')" ],
189 [ 'changeField', 'image', 'img_size', 'integer', '' ],
190 [ 'changeField', 'image', 'img_width', 'integer', '' ],
191 [ 'changeField', 'image', 'img_height', 'integer', '' ],
192 [ 'changeField', 'interwiki', 'iw_local', 'smallint', 'iw_local::smallint' ],
193 [ 'changeField', 'interwiki', 'iw_trans', 'smallint', 'iw_trans::smallint DEFAULT 0' ],
194 [ 'changeField', 'ipblocks', 'ipb_auto', 'smallint', 'ipb_auto::smallint DEFAULT 0' ],
195 [ 'changeField', 'ipblocks', 'ipb_anon_only', 'smallint',
196 "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0" ],
197 [ 'changeField', 'ipblocks', 'ipb_create_account', 'smallint',
198 "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1" ],
199 [ 'changeField', 'ipblocks', 'ipb_enable_autoblock', 'smallint',
200 "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1" ],
201 [ 'changeField', 'ipblocks', 'ipb_block_email', 'smallint',
202 "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0" ],
203 [ 'changeField', 'ipblocks', 'ipb_address', 'text', 'ipb_address::text' ],
204 [ 'changeField', 'ipblocks', 'ipb_deleted', 'smallint', 'ipb_deleted::smallint DEFAULT 0' ],
205 [ 'changeField', 'mwuser', 'user_token', 'text', '' ],
206 [ 'changeField', 'mwuser', 'user_email_token', 'text', '' ],
207 [ 'changeField', 'objectcache', 'keyname', 'text', '' ],
208 [ 'changeField', 'oldimage', 'oi_height', 'integer', '' ],
209 [ 'changeField', 'oldimage', 'oi_metadata', 'bytea', "decode(img_metadata,'escape')" ],
210 [ 'changeField', 'oldimage', 'oi_size', 'integer', '' ],
211 [ 'changeField', 'oldimage', 'oi_width', 'integer', '' ],
212 [ 'changeField', 'page', 'page_is_redirect', 'smallint',
213 'page_is_redirect::smallint DEFAULT 0' ],
214 [ 'changeField', 'page', 'page_is_new', 'smallint', 'page_is_new::smallint DEFAULT 0' ],
215 [ 'changeField', 'querycache', 'qc_value', 'integer', '' ],
216 [ 'changeField', 'querycachetwo', 'qcc_value', 'integer', '' ],
217 [ 'changeField', 'recentchanges', 'rc_bot', 'smallint', 'rc_bot::smallint DEFAULT 0' ],
218 [ 'changeField', 'recentchanges', 'rc_deleted', 'smallint', '' ],
219 [ 'changeField', 'recentchanges', 'rc_minor', 'smallint', 'rc_minor::smallint DEFAULT 0' ],
220 [ 'changeField', 'recentchanges', 'rc_new', 'smallint', 'rc_new::smallint DEFAULT 0' ],
221 [ 'changeField', 'recentchanges', 'rc_type', 'smallint', 'rc_type::smallint DEFAULT 0' ],
222 [ 'changeField', 'recentchanges', 'rc_patrolled', 'smallint',
223 'rc_patrolled::smallint DEFAULT 0' ],
224 [ 'changeField', 'revision', 'rev_deleted', 'smallint', 'rev_deleted::smallint DEFAULT 0' ],
225 [ 'changeField', 'revision', 'rev_minor_edit', 'smallint',
226 'rev_minor_edit::smallint DEFAULT 0' ],
227 [ 'changeField', 'templatelinks', 'tl_namespace', 'smallint', 'tl_namespace::smallint' ],
228 [ 'changeField', 'user_newtalk', 'user_ip', 'text', 'host(user_ip)' ],
229 [ 'changeField', 'uploadstash', 'us_image_bits', 'smallint', '' ],
230 [ 'changeField', 'profiling', 'pf_time', 'float', '' ],
231 [ 'changeField', 'profiling', 'pf_memory', 'float', '' ],
232
233 # null changes
234 [ 'changeNullableField', 'oldimage', 'oi_bits', 'NULL' ],
235 [ 'changeNullableField', 'oldimage', 'oi_timestamp', 'NULL' ],
236 [ 'changeNullableField', 'oldimage', 'oi_major_mime', 'NULL' ],
237 [ 'changeNullableField', 'oldimage', 'oi_minor_mime', 'NULL' ],
238 [ 'changeNullableField', 'image', 'img_metadata', 'NOT NULL' ],
239 [ 'changeNullableField', 'filearchive', 'fa_metadata', 'NOT NULL' ],
240 [ 'changeNullableField', 'recentchanges', 'rc_cur_id', 'NULL' ],
241 [ 'changeNullableField', 'recentchanges', 'rc_cur_time', 'NULL' ],
242
243 [ 'checkOiDeleted' ],
244
245 # New indexes
246 [ 'addPgIndex', 'archive', 'archive_user_text', '(ar_user_text)' ],
247 [ 'addPgIndex', 'image', 'img_sha1', '(img_sha1)' ],
248 [ 'addPgIndex', 'ipblocks', 'ipb_parent_block_id', '(ipb_parent_block_id)' ],
249 [ 'addPgIndex', 'oldimage', 'oi_sha1', '(oi_sha1)' ],
250 [ 'addPgIndex', 'page', 'page_mediawiki_title', '(page_title) WHERE page_namespace = 8' ],
251 [ 'addPgIndex', 'pagelinks', 'pagelinks_title', '(pl_title)' ],
252 [ 'addPgIndex', 'page_props', 'pp_propname_page', '(pp_propname, pp_page)' ],
253 [ 'addPgIndex', 'revision', 'rev_text_id_idx', '(rev_text_id)' ],
254 [ 'addPgIndex', 'recentchanges', 'rc_timestamp_bot', '(rc_timestamp) WHERE rc_bot = 0' ],
255 [ 'addPgIndex', 'templatelinks', 'templatelinks_from', '(tl_from)' ],
256 [ 'addPgIndex', 'watchlist', 'wl_user', '(wl_user)' ],
257 [ 'addPgIndex', 'watchlist', 'wl_user_notificationtimestamp',
258 '(wl_user, wl_notificationtimestamp)' ],
259 [ 'addPgIndex', 'logging', 'logging_user_type_time',
260 '(log_user, log_type, log_timestamp)' ],
261 [ 'addPgIndex', 'logging', 'logging_page_id_time', '(log_page,log_timestamp)' ],
262 [ 'addPgIndex', 'iwlinks', 'iwl_prefix_from_title', '(iwl_prefix, iwl_from, iwl_title)' ],
263 [ 'addPgIndex', 'iwlinks', 'iwl_prefix_title_from', '(iwl_prefix, iwl_title, iwl_from)' ],
264 [ 'addPgIndex', 'job', 'job_timestamp_idx', '(job_timestamp)' ],
265 [ 'addPgIndex', 'job', 'job_sha1', '(job_sha1)' ],
266 [ 'addPgIndex', 'job', 'job_cmd_token', '(job_cmd, job_token, job_random)' ],
267 [ 'addPgIndex', 'job', 'job_cmd_token_id', '(job_cmd, job_token, job_id)' ],
268 [ 'addPgIndex', 'filearchive', 'fa_sha1', '(fa_sha1)' ],
269 [ 'addPgIndex', 'logging', 'logging_user_text_type_time',
270 '(log_user_text, log_type, log_timestamp)' ],
271 [ 'addPgIndex', 'logging', 'logging_user_text_time', '(log_user_text, log_timestamp)' ],
272
273 [ 'checkIndex', 'pagelink_unique', [
274 [ 'pl_from', 'int4_ops', 'btree', 0 ],
275 [ 'pl_namespace', 'int2_ops', 'btree', 0 ],
276 [ 'pl_title', 'text_ops', 'btree', 0 ],
277 ],
278 'CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)' ],
279 [ 'checkIndex', 'cl_sortkey', [
280 [ 'cl_to', 'text_ops', 'btree', 0 ],
281 [ 'cl_sortkey', 'text_ops', 'btree', 0 ],
282 [ 'cl_from', 'int4_ops', 'btree', 0 ],
283 ],
284 'CREATE INDEX cl_sortkey ON "categorylinks" ' .
285 'USING "btree" ("cl_to", "cl_sortkey", "cl_from")' ],
286 [ 'checkIndex', 'iwl_prefix_title_from', [
287 [ 'iwl_prefix', 'text_ops', 'btree', 0 ],
288 [ 'iwl_title', 'text_ops', 'btree', 0 ],
289 [ 'iwl_from', 'int4_ops', 'btree', 0 ],
290 ],
291 'CREATE INDEX iwl_prefix_title_from ON "iwlinks" ' .
292 'USING "btree" ("iwl_prefix", "iwl_title", "iwl_from")' ],
293 [ 'checkIndex', 'logging_times', [
294 [ 'log_timestamp', 'timestamptz_ops', 'btree', 0 ],
295 ],
296 'CREATE INDEX "logging_times" ON "logging" USING "btree" ("log_timestamp")' ],
297 [ 'dropPgIndex', 'oldimage', 'oi_name' ],
298 [ 'checkIndex', 'oi_name_archive_name', [
299 [ 'oi_name', 'text_ops', 'btree', 0 ],
300 [ 'oi_archive_name', 'text_ops', 'btree', 0 ],
301 ],
302 'CREATE INDEX "oi_name_archive_name" ON "oldimage" ' .
303 'USING "btree" ("oi_name", "oi_archive_name")' ],
304 [ 'checkIndex', 'oi_name_timestamp', [
305 [ 'oi_name', 'text_ops', 'btree', 0 ],
306 [ 'oi_timestamp', 'timestamptz_ops', 'btree', 0 ],
307 ],
308 'CREATE INDEX "oi_name_timestamp" ON "oldimage" ' .
309 'USING "btree" ("oi_name", "oi_timestamp")' ],
310 [ 'checkIndex', 'page_main_title', [
311 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
312 ],
313 'CREATE INDEX "page_main_title" ON "page" ' .
314 'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 0)' ],
315 [ 'checkIndex', 'page_mediawiki_title', [
316 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
317 ],
318 'CREATE INDEX "page_mediawiki_title" ON "page" ' .
319 'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 8)' ],
320 [ 'checkIndex', 'page_project_title', [
321 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
322 ],
323 'CREATE INDEX "page_project_title" ON "page" ' .
324 'USING "btree" ("page_title" "text_pattern_ops") ' .
325 'WHERE ("page_namespace" = 4)' ],
326 [ 'checkIndex', 'page_talk_title', [
327 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
328 ],
329 'CREATE INDEX "page_talk_title" ON "page" ' .
330 'USING "btree" ("page_title" "text_pattern_ops") ' .
331 'WHERE ("page_namespace" = 1)' ],
332 [ 'checkIndex', 'page_user_title', [
333 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
334 ],
335 'CREATE INDEX "page_user_title" ON "page" ' .
336 'USING "btree" ("page_title" "text_pattern_ops") WHERE ' .
337 '("page_namespace" = 2)' ],
338 [ 'checkIndex', 'page_utalk_title', [
339 [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
340 ],
341 'CREATE INDEX "page_utalk_title" ON "page" ' .
342 'USING "btree" ("page_title" "text_pattern_ops") ' .
343 'WHERE ("page_namespace" = 3)' ],
344 [ 'checkIndex', 'ts2_page_text', [
345 [ 'textvector', 'tsvector_ops', 'gist', 0 ],
346 ],
347 'CREATE INDEX "ts2_page_text" ON "pagecontent" USING "gist" ("textvector")' ],
348 [ 'checkIndex', 'ts2_page_title', [
349 [ 'titlevector', 'tsvector_ops', 'gist', 0 ],
350 ],
351 'CREATE INDEX "ts2_page_title" ON "page" USING "gist" ("titlevector")' ],
352
353 [ 'checkOiNameConstraint' ],
354 [ 'checkPageDeletedTrigger' ],
355 [ 'checkRevUserFkey' ],
356 [ 'dropPgIndex', 'ipblocks', 'ipb_address' ],
357 [ 'checkIndex', 'ipb_address_unique', [
358 [ 'ipb_address', 'text_ops', 'btree', 0 ],
359 [ 'ipb_user', 'int4_ops', 'btree', 0 ],
360 [ 'ipb_auto', 'int2_ops', 'btree', 0 ],
361 [ 'ipb_anon_only', 'int2_ops', 'btree', 0 ],
362 ],
363 'CREATE UNIQUE INDEX ipb_address_unique ' .
364 'ON ipblocks (ipb_address,ipb_user,ipb_auto,ipb_anon_only)' ],
365
366 [ 'checkIwlPrefix' ],
367
368 # All FK columns should be deferred
369 [ 'changeFkeyDeferrable', 'archive', 'ar_user', 'mwuser(user_id) ON DELETE SET NULL' ],
370 [ 'changeFkeyDeferrable', 'categorylinks', 'cl_from', 'page(page_id) ON DELETE CASCADE' ],
371 [ 'changeFkeyDeferrable', 'externallinks', 'el_from', 'page(page_id) ON DELETE CASCADE' ],
372 [ 'changeFkeyDeferrable', 'filearchive', 'fa_deleted_user',
373 'mwuser(user_id) ON DELETE SET NULL' ],
374 [ 'changeFkeyDeferrable', 'filearchive', 'fa_user', 'mwuser(user_id) ON DELETE SET NULL' ],
375 [ 'changeFkeyDeferrable', 'image', 'img_user', 'mwuser(user_id) ON DELETE SET NULL' ],
376 [ 'changeFkeyDeferrable', 'imagelinks', 'il_from', 'page(page_id) ON DELETE CASCADE' ],
377 [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_by', 'mwuser(user_id) ON DELETE CASCADE' ],
378 [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_user', 'mwuser(user_id) ON DELETE SET NULL' ],
379 [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_parent_block_id',
380 'ipblocks(ipb_id) ON DELETE SET NULL' ],
381 [ 'changeFkeyDeferrable', 'langlinks', 'll_from', 'page(page_id) ON DELETE CASCADE' ],
382 [ 'changeFkeyDeferrable', 'logging', 'log_user', 'mwuser(user_id) ON DELETE SET NULL' ],
383 [ 'changeFkeyDeferrable', 'oldimage', 'oi_name',
384 'image(img_name) ON DELETE CASCADE ON UPDATE CASCADE' ],
385 [ 'changeFkeyDeferrable', 'oldimage', 'oi_user', 'mwuser(user_id) ON DELETE SET NULL' ],
386 [ 'changeFkeyDeferrable', 'pagelinks', 'pl_from', 'page(page_id) ON DELETE CASCADE' ],
387 [ 'changeFkeyDeferrable', 'page_props', 'pp_page', 'page (page_id) ON DELETE CASCADE' ],
388 [ 'changeFkeyDeferrable', 'page_restrictions', 'pr_page',
389 'page(page_id) ON DELETE CASCADE' ],
390 [ 'changeFkeyDeferrable', 'protected_titles', 'pt_user',
391 'mwuser(user_id) ON DELETE SET NULL' ],
392 [ 'changeFkeyDeferrable', 'recentchanges', 'rc_user',
393 'mwuser(user_id) ON DELETE SET NULL' ],
394 [ 'changeFkeyDeferrable', 'redirect', 'rd_from', 'page(page_id) ON DELETE CASCADE' ],
395 [ 'changeFkeyDeferrable', 'revision', 'rev_page', 'page (page_id) ON DELETE CASCADE' ],
396 [ 'changeFkeyDeferrable', 'revision', 'rev_user', 'mwuser(user_id) ON DELETE RESTRICT' ],
397 [ 'changeFkeyDeferrable', 'templatelinks', 'tl_from', 'page(page_id) ON DELETE CASCADE' ],
398 [ 'changeFkeyDeferrable', 'user_groups', 'ug_user', 'mwuser(user_id) ON DELETE CASCADE' ],
399 [ 'changeFkeyDeferrable', 'user_newtalk', 'user_id', 'mwuser(user_id) ON DELETE CASCADE' ],
400 [ 'changeFkeyDeferrable', 'user_properties', 'up_user',
401 'mwuser(user_id) ON DELETE CASCADE' ],
402 [ 'changeFkeyDeferrable', 'watchlist', 'wl_user', 'mwuser(user_id) ON DELETE CASCADE' ],
403
404 # r81574
405 [ 'addInterwikiType' ],
406 # end
407 [ 'tsearchFixes' ],
408
409 // 1.23
410 [ 'addPgField', 'recentchanges', 'rc_source', "TEXT NOT NULL DEFAULT ''" ],
411 [ 'addPgField', 'page', 'page_links_updated', "TIMESTAMPTZ NULL" ],
412 [ 'addPgField', 'mwuser', 'user_password_expires', 'TIMESTAMPTZ NULL' ],
413 [ 'changeFieldPurgeTable', 'l10n_cache', 'lc_value', 'bytea',
414 "replace(lc_value,'\','\\\\')::bytea" ],
415 // 1.23.9
416 [ 'rebuildTextSearch' ],
417
418 // 1.24
419 [ 'addPgField', 'page_props', 'pp_sortkey', 'float NULL' ],
420 [ 'addPgIndex', 'page_props', 'pp_propname_sortkey_page',
421 '( pp_propname, pp_sortkey, pp_page ) WHERE ( pp_sortkey IS NOT NULL )' ],
422 [ 'addPgField', 'page', 'page_lang', 'TEXT default NULL' ],
423 [ 'addPgField', 'pagelinks', 'pl_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
424 [ 'addPgField', 'templatelinks', 'tl_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
425 [ 'addPgField', 'imagelinks', 'il_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
426
427 // 1.25
428 [ 'dropTable', 'hitcounter' ],
429 [ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
430 [ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
431 [ 'dropFkey', 'recentchanges', 'rc_cur_id' ],
432
433 // 1.27
434 [ 'dropTable', 'msg_resource_links' ],
435 [ 'dropTable', 'msg_resource' ],
436 [
437 'addPgField', 'watchlist', 'wl_id',
438 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('watchlist_wl_id_seq')"
439 ],
440
441 // 1.28
442 [ 'addPgIndex', 'recentchanges', 'rc_name_type_patrolled_timestamp',
443 '( rc_namespace, rc_type, rc_patrolled, rc_timestamp )' ],
444 [ 'addPgField', 'change_tag', 'ct_id',
445 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('change_tag_ct_id_seq')" ],
446 [ 'addPgField', 'tag_summary', 'ts_id',
447 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('tag_summary_ts_id_seq')" ],
448
449 // 1.29
450 [ 'addPgField', 'externallinks', 'el_index_60', "BYTEA NOT NULL DEFAULT ''" ],
451 [ 'addPgIndex', 'externallinks', 'el_index_60', '( el_index_60, el_id )' ],
452 [ 'addPgIndex', 'externallinks', 'el_from_index_60', '( el_from, el_index_60, el_id )' ],
453 [ 'addPgField', 'user_groups', 'ug_expiry', "TIMESTAMPTZ NULL" ],
454 [ 'addPgIndex', 'user_groups', 'user_groups_expiry', '( ug_expiry )' ],
455
456 // 1.30
457 [ 'addPgEnumValue', 'media_type', '3D' ],
458 [ 'setDefault', 'revision', 'rev_comment', '' ],
459 [ 'changeNullableField', 'revision', 'rev_comment', 'NOT NULL', true ],
460 [ 'setDefault', 'archive', 'ar_comment', '' ],
461 [ 'changeNullableField', 'archive', 'ar_comment', 'NOT NULL', true ],
462 [ 'addPgField', 'archive', 'ar_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
463 [ 'setDefault', 'ipblocks', 'ipb_reason', '' ],
464 [ 'addPgField', 'ipblocks', 'ipb_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
465 [ 'setDefault', 'image', 'img_description', '' ],
466 [ 'setDefault', 'oldimage', 'oi_description', '' ],
467 [ 'changeNullableField', 'oldimage', 'oi_description', 'NOT NULL', true ],
468 [ 'addPgField', 'oldimage', 'oi_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
469 [ 'setDefault', 'filearchive', 'fa_deleted_reason', '' ],
470 [ 'changeNullableField', 'filearchive', 'fa_deleted_reason', 'NOT NULL', true ],
471 [ 'addPgField', 'filearchive', 'fa_deleted_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
472 [ 'setDefault', 'filearchive', 'fa_description', '' ],
473 [ 'addPgField', 'filearchive', 'fa_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
474 [ 'setDefault', 'recentchanges', 'rc_comment', '' ],
475 [ 'changeNullableField', 'recentchanges', 'rc_comment', 'NOT NULL', true ],
476 [ 'addPgField', 'recentchanges', 'rc_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
477 [ 'setDefault', 'logging', 'log_comment', '' ],
478 [ 'changeNullableField', 'logging', 'log_comment', 'NOT NULL', true ],
479 [ 'addPgField', 'logging', 'log_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
480 [ 'setDefault', 'protected_titles', 'pt_reason', '' ],
481 [ 'changeNullableField', 'protected_titles', 'pt_reason', 'NOT NULL', true ],
482 [ 'addPgField', 'protected_titles', 'pt_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
483 [ 'addTable', 'comment', 'patch-comment-table.sql' ],
484 [ 'addTable', 'revision_comment_temp', 'patch-revision_comment_temp-table.sql' ],
485 // image_comment_temp is no longer needed when upgrading to MW 1.31 or newer,
486 // as it is dropped later in the update process as part of 'migrateImageCommentTemp'.
487 // File kept on disk and the updater entry here for historical purposes.
488 // [ 'addTable', 'image_comment_temp', 'patch-image_comment_temp-table.sql' ],
489
490 // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
491 [ 'addPgField', 'image', 'img_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
492
493 [ 'migrateComments' ],
494 [ 'addIndex', 'site_stats', 'site_stats_pkey', 'patch-site_stats-pk.sql' ],
495 [ 'addTable', 'ip_changes', 'patch-ip_changes.sql' ],
496
497 // 1.31
498 [ 'addTable', 'slots', 'patch-slots-table.sql' ],
499 [ 'dropPgIndex', 'slots', 'slot_role_inherited' ],
500 [ 'dropPgField', 'slots', 'slot_inherited' ],
501 [ 'addPgField', 'slots', 'slot_origin', 'INTEGER NOT NULL' ],
502 [
503 'addPgIndex',
504 'slots',
505 'slot_revision_origin_role',
506 '( slot_revision_id, slot_origin, slot_role_id )',
507 ],
508 [ 'addTable', 'content', 'patch-content-table.sql' ],
509 [ 'addTable', 'content_models', 'patch-content_models-table.sql' ],
510 [ 'addTable', 'slot_roles', 'patch-slot_roles-table.sql' ],
511 [ 'migrateArchiveText' ],
512 [ 'addTable', 'actor', 'patch-actor-table.sql' ],
513 [ 'setDefault', 'revision', 'rev_user', 0 ],
514 [ 'setDefault', 'revision', 'rev_user_text', '' ],
515 [ 'setDefault', 'archive', 'ar_user', 0 ],
516 [ 'changeNullableField', 'archive', 'ar_user', 'NOT NULL', true ],
517 [ 'setDefault', 'archive', 'ar_user_text', '' ],
518 [ 'addPgField', 'archive', 'ar_actor', 'INTEGER NOT NULL DEFAULT 0' ],
519 [ 'addPgIndex', 'archive', 'archive_actor', '( ar_actor )' ],
520 [ 'setDefault', 'ipblocks', 'ipb_by', 0 ],
521 [ 'addPgField', 'ipblocks', 'ipb_by_actor', 'INTEGER NOT NULL DEFAULT 0' ],
522 [ 'setDefault', 'image', 'img_user', 0 ],
523 [ 'changeNullableField', 'image', 'img_user', 'NOT NULL', true ],
524 [ 'setDefault', 'image', 'img_user_text', '' ],
525 [ 'addPgField', 'image', 'img_actor', 'INTEGER NOT NULL DEFAULT 0' ],
526 [ 'setDefault', 'oldimage', 'oi_user', 0 ],
527 [ 'changeNullableField', 'oldimage', 'oi_user', 'NOT NULL', true ],
528 [ 'setDefault', 'oldimage', 'oi_user_text', '' ],
529 [ 'addPgField', 'oldimage', 'oi_actor', 'INTEGER NOT NULL DEFAULT 0' ],
530 [ 'setDefault', 'filearchive', 'fa_user', 0 ],
531 [ 'changeNullableField', 'filearchive', 'fa_user', 'NOT NULL', true ],
532 [ 'setDefault', 'filearchive', 'fa_user_text', '' ],
533 [ 'addPgField', 'filearchive', 'fa_actor', 'INTEGER NOT NULL DEFAULT 0' ],
534 [ 'setDefault', 'recentchanges', 'rc_user', 0 ],
535 [ 'changeNullableField', 'recentchanges', 'rc_user', 'NOT NULL', true ],
536 [ 'setDefault', 'recentchanges', 'rc_user_text', '' ],
537 [ 'addPgField', 'recentchanges', 'rc_actor', 'INTEGER NOT NULL DEFAULT 0' ],
538 [ 'setDefault', 'logging', 'log_user', 0 ],
539 [ 'changeNullableField', 'logging', 'log_user', 'NOT NULL', true ],
540 [ 'addPgField', 'logging', 'log_actor', 'INTEGER NOT NULL DEFAULT 0' ],
541 [ 'addPgIndex', 'logging', 'logging_actor_time_backwards', '( log_timestamp, log_actor )' ],
542 [ 'addPgIndex', 'logging', 'logging_actor_type_time', '( log_actor, log_type, log_timestamp )' ],
543 [ 'addPgIndex', 'logging', 'logging_actor_time', '( log_actor, log_timestamp )' ],
544 [ 'migrateActors' ],
545 [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
546 [ 'populateArchiveRevId' ],
547 [ 'dropPgIndex', 'recentchanges', 'rc_namespace_title' ],
548 [
549 'addPgIndex',
550 'recentchanges',
551 'rc_namespace_title_timestamp', '( rc_namespace, rc_title, rc_timestamp )'
552 ],
553 [ 'setSequenceOwner', 'mwuser', 'user_id', 'user_user_id_seq' ],
554 [ 'setSequenceOwner', 'actor', 'actor_id', 'actor_actor_id_seq' ],
555 [ 'setSequenceOwner', 'page', 'page_id', 'page_page_id_seq' ],
556 [ 'setSequenceOwner', 'revision', 'rev_id', 'revision_rev_id_seq' ],
557 [ 'setSequenceOwner', 'ip_changes', 'ipc_rev_id', 'ip_changes_ipc_rev_id_seq' ],
558 [ 'setSequenceOwner', 'pagecontent', 'old_id', 'text_old_id_seq' ],
559 [ 'setSequenceOwner', 'comment', 'comment_id', 'comment_comment_id_seq' ],
560 [ 'setSequenceOwner', 'page_restrictions', 'pr_id', 'page_restrictions_pr_id_seq' ],
561 [ 'setSequenceOwner', 'archive', 'ar_id', 'archive_ar_id_seq' ],
562 [ 'setSequenceOwner', 'content', 'content_id', 'content_content_id_seq' ],
563 [ 'setSequenceOwner', 'slot_roles', 'role_id', 'slot_roles_role_id_seq' ],
564 [ 'setSequenceOwner', 'content_models', 'model_id', 'content_models_model_id_seq' ],
565 [ 'setSequenceOwner', 'externallinks', 'el_id', 'externallinks_el_id_seq' ],
566 [ 'setSequenceOwner', 'ipblocks', 'ipb_id', 'ipblocks_ipb_id_seq' ],
567 [ 'setSequenceOwner', 'filearchive', 'fa_id', 'filearchive_fa_id_seq' ],
568 [ 'setSequenceOwner', 'uploadstash', 'us_id', 'uploadstash_us_id_seq' ],
569 [ 'setSequenceOwner', 'recentchanges', 'rc_id', 'recentchanges_rc_id_seq' ],
570 [ 'setSequenceOwner', 'watchlist', 'wl_id', 'watchlist_wl_id_seq' ],
571 [ 'setSequenceOwner', 'logging', 'log_id', 'logging_log_id_seq' ],
572 [ 'setSequenceOwner', 'job', 'job_id', 'job_job_id_seq' ],
573 [ 'setSequenceOwner', 'category', 'cat_id', 'category_cat_id_seq' ],
574 [ 'setSequenceOwner', 'change_tag', 'ct_id', 'change_tag_ct_id_seq' ],
575 [ 'setSequenceOwner', 'tag_summary', 'ts_id', 'tag_summary_ts_id_seq' ],
576 [ 'setSequenceOwner', 'sites', 'site_id', 'sites_site_id_seq' ],
577 ];
578 }
579
580 protected function getOldGlobalUpdates() {
581 global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
582
583 $updates = [];
584
585 # Add missing extension tables
586 foreach ( $wgExtNewTables as $tableRecord ) {
587 $updates[] = [
588 'addTable', $tableRecord[0], $tableRecord[1], true
589 ];
590 }
591
592 # Add missing extension fields
593 foreach ( $wgExtPGNewFields as $fieldRecord ) {
594 $updates[] = [
595 'addPgField', $fieldRecord[0], $fieldRecord[1],
596 $fieldRecord[2]
597 ];
598 }
599
600 # Change altered columns
601 foreach ( $wgExtPGAlteredFields as $fieldRecord ) {
602 $updates[] = [
603 'changeField', $fieldRecord[0], $fieldRecord[1],
604 $fieldRecord[2]
605 ];
606 }
607
608 # Add missing extension indexes
609 foreach ( $wgExtNewIndexes as $fieldRecord ) {
610 $updates[] = [
611 'addPgExtIndex', $fieldRecord[0], $fieldRecord[1],
612 $fieldRecord[2]
613 ];
614 }
615
616 return $updates;
617 }
618
619 protected function describeTable( $table ) {
620 $q = <<<END
621 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
622 WHERE pg_class.relnamespace = pg_namespace.oid
623 AND attrelid=pg_class.oid AND attnum > 0
624 AND relname=%s AND nspname=%s
625 END;
626 $res = $this->db->query( sprintf( $q,
627 $this->db->addQuotes( $table ),
628 $this->db->addQuotes( $this->db->getCoreSchema() ) ) );
629 if ( !$res ) {
630 return null;
631 }
632
633 $cols = [];
634 foreach ( $res as $r ) {
635 $cols[] = [
636 "name" => $r[0],
637 "ord" => $r[1],
638 ];
639 }
640
641 return $cols;
642 }
643
644 function describeIndex( $idx ) {
645 // first fetch the key (which is a list of columns ords) and
646 // the table the index applies to (an oid)
647 $q = <<<END
648 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
649 WHERE nspname=%s
650 AND pg_class.relnamespace = pg_namespace.oid
651 AND relname=%s
652 AND indexrelid=pg_class.oid
653 END;
654 $res = $this->db->query(
655 sprintf(
656 $q,
657 $this->db->addQuotes( $this->db->getCoreSchema() ),
658 $this->db->addQuotes( $idx )
659 )
660 );
661 if ( !$res ) {
662 return null;
663 }
664 $r = $this->db->fetchRow( $res );
665 if ( !$r ) {
666 return null;
667 }
668
669 $indkey = $r[0];
670 $relid = intval( $r[1] );
671 $indkeys = explode( ' ', $indkey );
672
673 $colnames = [];
674 foreach ( $indkeys as $rid ) {
675 $query = <<<END
676 SELECT attname FROM pg_class, pg_attribute
677 WHERE attrelid=$relid
678 AND attnum=%d
679 AND attrelid=pg_class.oid
680 END;
681 $r2 = $this->db->query( sprintf( $query, $rid ) );
682 if ( !$r2 ) {
683 return null;
684 }
685 $row2 = $this->db->fetchRow( $r2 );
686 if ( !$row2 ) {
687 return null;
688 }
689 $colnames[] = $row2[0];
690 }
691
692 return $colnames;
693 }
694
695 function fkeyDeltype( $fkey ) {
696 $q = <<<END
697 SELECT confdeltype FROM pg_constraint, pg_namespace
698 WHERE connamespace=pg_namespace.oid
699 AND nspname=%s
700 AND conname=%s;
701 END;
702 $r = $this->db->query(
703 sprintf(
704 $q,
705 $this->db->addQuotes( $this->db->getCoreSchema() ),
706 $this->db->addQuotes( $fkey )
707 )
708 );
709 $row = $this->db->fetchRow( $r );
710 if ( !$row ) {
711 return null;
712 }
713
714 return $row[0];
715 }
716
717 function ruleDef( $table, $rule ) {
718 $q = <<<END
719 SELECT definition FROM pg_rules
720 WHERE schemaname = %s
721 AND tablename = %s
722 AND rulename = %s
723 END;
724 $r = $this->db->query(
725 sprintf(
726 $q,
727 $this->db->addQuotes( $this->db->getCoreSchema() ),
728 $this->db->addQuotes( $table ),
729 $this->db->addQuotes( $rule )
730 )
731 );
732 $row = $this->db->fetchRow( $r );
733 if ( !$row ) {
734 return null;
735 }
736 $d = $row[0];
737
738 return $d;
739 }
740
741 protected function addSequence( $table, $pkey, $ns ) {
742 if ( !$this->db->sequenceExists( $ns ) ) {
743 $this->output( "Creating sequence $ns\n" );
744 if ( $pkey !== false ) {
745 $this->db->query( "CREATE SEQUENCE $ns OWNED BY $table.$pkey" );
746 $this->setDefault( $table, $pkey, '"nextval"(\'"' . $ns . '"\'::"regclass")' );
747 } else {
748 $this->db->query( "CREATE SEQUENCE $ns" );
749 }
750 }
751 }
752
753 protected function dropSequence( $table, $ns ) {
754 if ( $this->db->sequenceExists( $ns ) ) {
755 $this->output( "Dropping sequence $ns\n" );
756 $this->db->query( "DROP SEQUENCE $ns CASCADE" );
757 }
758 }
759
760 protected function renameSequence( $old, $new ) {
761 if ( $this->db->sequenceExists( $new ) ) {
762 $this->output( "...sequence $new already exists.\n" );
763
764 return;
765 }
766 if ( $this->db->sequenceExists( $old ) ) {
767 $this->output( "Renaming sequence $old to $new\n" );
768 $this->db->query( "ALTER SEQUENCE $old RENAME TO $new" );
769 }
770 }
771
772 protected function setSequenceOwner( $table, $pkey, $seq ) {
773 if ( $this->db->sequenceExists( $seq ) ) {
774 $this->output( "Setting sequence $seq owner to $table.$pkey\n" );
775 $this->db->query( "ALTER SEQUENCE $seq OWNED BY $table.$pkey" );
776 }
777 }
778
779 protected function renameTable( $old, $new, $patch = false ) {
780 if ( $this->db->tableExists( $old ) ) {
781 $this->output( "Renaming table $old to $new\n" );
782 $old = $this->db->realTableName( $old, "quoted" );
783 $new = $this->db->realTableName( $new, "quoted" );
784 $this->db->query( "ALTER TABLE $old RENAME TO $new" );
785 if ( $patch !== false ) {
786 $this->applyPatch( $patch );
787 }
788 }
789 }
790
791 protected function renameIndex(
792 $table, $old, $new, $skipBothIndexExistWarning = false, $a = false, $b = false
793 ) {
794 // First requirement: the table must exist
795 if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
796 $this->output( "...skipping: '$table' table doesn't exist yet.\n" );
797
798 return;
799 }
800
801 // Second requirement: the new index must be missing
802 if ( $this->db->indexExists( $table, $new, __METHOD__ ) ) {
803 $this->output( "...index $new already set on $table table.\n" );
804 if ( !$skipBothIndexExistWarning
805 && $this->db->indexExists( $table, $old, __METHOD__ )
806 ) {
807 $this->output( "...WARNING: $old still exists, despite it has been " .
808 "renamed into $new (which also exists).\n" .
809 " $old should be manually removed if not needed anymore.\n" );
810 }
811
812 return;
813 }
814
815 // Third requirement: the old index must exist
816 if ( !$this->db->indexExists( $table, $old, __METHOD__ ) ) {
817 $this->output( "...skipping: index $old doesn't exist.\n" );
818
819 return;
820 }
821
822 $this->db->query( "ALTER INDEX $old RENAME TO $new" );
823 }
824
825 protected function dropPgField( $table, $field ) {
826 $fi = $this->db->fieldInfo( $table, $field );
827 if ( is_null( $fi ) ) {
828 $this->output( "...$table table does not contain $field field.\n" );
829
830 return;
831 } else {
832 $this->output( "Dropping column '$table.$field'\n" );
833 $this->db->query( "ALTER TABLE $table DROP COLUMN $field" );
834 }
835 }
836
837 protected function addPgField( $table, $field, $type ) {
838 $fi = $this->db->fieldInfo( $table, $field );
839 if ( !is_null( $fi ) ) {
840 $this->output( "...column '$table.$field' already exists\n" );
841
842 return;
843 } else {
844 $this->output( "Adding column '$table.$field'\n" );
845 $this->db->query( "ALTER TABLE $table ADD $field $type" );
846 }
847 }
848
849 protected function changeField( $table, $field, $newtype, $default ) {
850 $fi = $this->db->fieldInfo( $table, $field );
851 if ( is_null( $fi ) ) {
852 $this->output( "...ERROR: expected column $table.$field to exist\n" );
853 exit( 1 );
854 }
855
856 if ( $fi->type() === $newtype ) {
857 $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
858 } else {
859 $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
860 $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
861 if ( strlen( $default ) ) {
862 $res = [];
863 if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
864 $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
865 $this->db->query( $sqldef );
866 $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
867 }
868 $sql .= " USING $default";
869 }
870 $this->db->query( $sql );
871 }
872 }
873
874 protected function changeFieldPurgeTable( $table, $field, $newtype, $default ) {
875 # # For a cache table, empty it if the field needs to be changed, because the old contents
876 # # may be corrupted. If the column is already the desired type, refrain from purging.
877 $fi = $this->db->fieldInfo( $table, $field );
878 if ( is_null( $fi ) ) {
879 $this->output( "...ERROR: expected column $table.$field to exist\n" );
880 exit( 1 );
881 }
882
883 if ( $fi->type() === $newtype ) {
884 $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
885 } else {
886 $this->output( "Purging data from cache table '$table'\n" );
887 $this->db->query( "DELETE from $table" );
888 $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
889 $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
890 if ( strlen( $default ) ) {
891 $res = [];
892 if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
893 $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
894 $this->db->query( $sqldef );
895 $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
896 }
897 $sql .= " USING $default";
898 }
899 $this->db->query( $sql );
900 }
901 }
902
903 protected function setDefault( $table, $field, $default ) {
904 $info = $this->db->fieldInfo( $table, $field );
905 if ( $info->defaultValue() !== $default ) {
906 $this->output( "Changing '$table.$field' default value\n" );
907 $this->db->query( "ALTER TABLE $table ALTER $field SET DEFAULT "
908 . $this->db->addQuotes( $default ) );
909 }
910 }
911
912 protected function changeNullableField( $table, $field, $null, $update = false ) {
913 $fi = $this->db->fieldInfo( $table, $field );
914 if ( is_null( $fi ) ) {
915 $this->output( "...ERROR: expected column $table.$field to exist\n" );
916 exit( 1 );
917 }
918 if ( $fi->isNullable() ) {
919 # # It's NULL - does it need to be NOT NULL?
920 if ( 'NOT NULL' === $null ) {
921 $this->output( "Changing '$table.$field' to not allow NULLs\n" );
922 if ( $update ) {
923 $this->db->query( "UPDATE $table SET $field = DEFAULT WHERE $field IS NULL" );
924 }
925 $this->db->query( "ALTER TABLE $table ALTER $field SET NOT NULL" );
926 } else {
927 $this->output( "...column '$table.$field' is already set as NULL\n" );
928 }
929 } else {
930 # # It's NOT NULL - does it need to be NULL?
931 if ( 'NULL' === $null ) {
932 $this->output( "Changing '$table.$field' to allow NULLs\n" );
933 $this->db->query( "ALTER TABLE $table ALTER $field DROP NOT NULL" );
934 } else {
935 $this->output( "...column '$table.$field' is already set as NOT NULL\n" );
936 }
937 }
938 }
939
940 public function addPgIndex( $table, $index, $type ) {
941 if ( $this->db->indexExists( $table, $index ) ) {
942 $this->output( "...index '$index' on table '$table' already exists\n" );
943 } else {
944 $this->output( "Creating index '$index' on table '$table' $type\n" );
945 $this->db->query( "CREATE INDEX $index ON $table $type" );
946 }
947 }
948
949 public function addPgExtIndex( $table, $index, $type ) {
950 if ( $this->db->indexExists( $table, $index ) ) {
951 $this->output( "...index '$index' on table '$table' already exists\n" );
952 } else {
953 if ( preg_match( '/^\(/', $type ) ) {
954 $this->output( "Creating index '$index' on table '$table'\n" );
955 $this->db->query( "CREATE INDEX $index ON $table $type" );
956 } else {
957 $this->applyPatch( $type, true, "Creating index '$index' on table '$table'" );
958 }
959 }
960 }
961
962 /**
963 * Add a value to an existing PostgreSQL enum type
964 * @since 1.31
965 * @param string $type Type name. Must be in the core schema.
966 * @param string $value Value to add.
967 */
968 public function addPgEnumValue( $type, $value ) {
969 $row = $this->db->selectRow(
970 [
971 't' => 'pg_catalog.pg_type',
972 'n' => 'pg_catalog.pg_namespace',
973 'e' => 'pg_catalog.pg_enum',
974 ],
975 [ 't.typname', 't.typtype', 'e.enumlabel' ],
976 [
977 't.typname' => $type,
978 'n.nspname' => $this->db->getCoreSchema(),
979 ],
980 __METHOD__,
981 [],
982 [
983 'n' => [ 'JOIN', 't.typnamespace = n.oid' ],
984 'e' => [ 'LEFT JOIN', [ 'e.enumtypid = t.oid', 'e.enumlabel' => $value ] ],
985 ]
986 );
987
988 if ( !$row ) {
989 $this->output( "...Type $type does not exist, skipping modify enum.\n" );
990 } elseif ( $row->typtype !== 'e' ) {
991 $this->output( "...Type $type does not seem to be an enum, skipping modify enum.\n" );
992 } elseif ( $row->enumlabel === $value ) {
993 $this->output( "...Enum type $type already contains value '$value'.\n" );
994 } else {
995 $this->output( "...Adding value '$value' to enum type $type.\n" );
996 $etype = $this->db->addIdentifierQuotes( $type );
997 $evalue = $this->db->addQuotes( $value );
998 $this->db->query( "ALTER TYPE $etype ADD VALUE $evalue" );
999 }
1000 }
1001
1002 protected function dropFkey( $table, $field ) {
1003 $fi = $this->db->fieldInfo( $table, $field );
1004 if ( is_null( $fi ) ) {
1005 $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
1006 "Please report this.\n" );
1007 return;
1008 }
1009 $conname = $fi->conname();
1010 if ( $fi->conname() ) {
1011 $this->output( "Dropping foreign key constraint on '$table.$field'\n" );
1012 $conclause = "CONSTRAINT \"$conname\"";
1013 $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
1014 $this->db->query( $command );
1015 } else {
1016 $this->output( "...foreign key constraint on '$table.$field' already does not exist\n" );
1017 };
1018 }
1019
1020 protected function changeFkeyDeferrable( $table, $field, $clause ) {
1021 $fi = $this->db->fieldInfo( $table, $field );
1022 if ( is_null( $fi ) ) {
1023 $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
1024 "Please report this.\n" );
1025
1026 return;
1027 }
1028 if ( $fi->is_deferred() && $fi->is_deferrable() ) {
1029 return;
1030 }
1031 $this->output( "Altering column '$table.$field' to be DEFERRABLE INITIALLY DEFERRED\n" );
1032 $conname = $fi->conname();
1033 if ( $fi->conname() ) {
1034 $conclause = "CONSTRAINT \"$conname\"";
1035 $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
1036 $this->db->query( $command );
1037 } else {
1038 $this->output( "Column '$table.$field' does not have a foreign key " .
1039 "constraint, will be added\n" );
1040 $conclause = "";
1041 }
1042 $command =
1043 "ALTER TABLE $table ADD $conclause " .
1044 "FOREIGN KEY ($field) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
1045 $this->db->query( $command );
1046 }
1047
1048 protected function convertArchive2() {
1049 if ( $this->db->tableExists( "archive2" ) ) {
1050 if ( $this->db->ruleExists( 'archive', 'archive_insert' ) ) {
1051 $this->output( "Dropping rule 'archive_insert'\n" );
1052 $this->db->query( 'DROP RULE archive_insert ON archive' );
1053 }
1054 if ( $this->db->ruleExists( 'archive', 'archive_delete' ) ) {
1055 $this->output( "Dropping rule 'archive_delete'\n" );
1056 $this->db->query( 'DROP RULE archive_delete ON archive' );
1057 }
1058 $this->applyPatch(
1059 'patch-remove-archive2.sql',
1060 false,
1061 "Converting 'archive2' back to normal archive table"
1062 );
1063 } else {
1064 $this->output( "...obsolete table 'archive2' does not exist\n" );
1065 }
1066 }
1067
1068 protected function checkOiDeleted() {
1069 if ( $this->db->fieldInfo( 'oldimage', 'oi_deleted' )->type() !== 'smallint' ) {
1070 $this->output( "Changing 'oldimage.oi_deleted' to type 'smallint'\n" );
1071 $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1072 $this->db->query(
1073 "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1074 $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1075 } else {
1076 $this->output( "...column 'oldimage.oi_deleted' is already of type 'smallint'\n" );
1077 }
1078 }
1079
1080 protected function checkOiNameConstraint() {
1081 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascaded" ) ) {
1082 $this->output( "...table 'oldimage' has correct cascading delete/update " .
1083 "foreign key to image\n" );
1084 } else {
1085 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey" ) ) {
1086 $this->db->query(
1087 "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1088 }
1089 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascade" ) ) {
1090 $this->db->query(
1091 "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
1092 }
1093 $this->output( "Making foreign key on table 'oldimage' (to image) a cascade delete/update\n" );
1094 $this->db->query(
1095 "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded " .
1096 "FOREIGN KEY (oi_name) REFERENCES image(img_name) " .
1097 "ON DELETE CASCADE ON UPDATE CASCADE" );
1098 }
1099 }
1100
1101 protected function checkPageDeletedTrigger() {
1102 if ( !$this->db->triggerExists( 'page', 'page_deleted' ) ) {
1103 $this->applyPatch(
1104 'patch-page_deleted.sql',
1105 false,
1106 "Adding function and trigger 'page_deleted' to table 'page'"
1107 );
1108 } else {
1109 $this->output( "...table 'page' has 'page_deleted' trigger\n" );
1110 }
1111 }
1112
1113 protected function dropPgIndex( $table, $index ) {
1114 if ( $this->db->indexExists( $table, $index ) ) {
1115 $this->output( "Dropping obsolete index '$index'\n" );
1116 $this->db->query( "DROP INDEX \"" . $index . "\"" );
1117 }
1118 }
1119
1120 protected function checkIndex( $index, $should_be, $good_def ) {
1121 $pu = $this->db->indexAttributes( $index );
1122 if ( !empty( $pu ) && $pu != $should_be ) {
1123 $this->output( "Dropping obsolete version of index '$index'\n" );
1124 $this->db->query( "DROP INDEX \"" . $index . "\"" );
1125 $pu = [];
1126 } else {
1127 $this->output( "...no need to drop index '$index'\n" );
1128 }
1129
1130 if ( empty( $pu ) ) {
1131 $this->output( "Creating index '$index'\n" );
1132 $this->db->query( $good_def );
1133 } else {
1134 $this->output( "...index '$index' exists\n" );
1135 }
1136 }
1137
1138 protected function checkRevUserFkey() {
1139 if ( $this->fkeyDeltype( 'revision_rev_user_fkey' ) == 'r' ) {
1140 $this->output( "...constraint 'revision_rev_user_fkey' is ON DELETE RESTRICT\n" );
1141 } else {
1142 $this->applyPatch(
1143 'patch-revision_rev_user_fkey.sql',
1144 false,
1145 "Changing constraint 'revision_rev_user_fkey' to ON DELETE RESTRICT"
1146 );
1147 }
1148 }
1149
1150 protected function checkIwlPrefix() {
1151 if ( $this->db->indexExists( 'iwlinks', 'iwl_prefix' ) ) {
1152 $this->applyPatch(
1153 'patch-rename-iwl_prefix.sql',
1154 false,
1155 "Replacing index 'iwl_prefix' with 'iwl_prefix_title_from'"
1156 );
1157 }
1158 }
1159
1160 protected function addInterwikiType() {
1161 $this->applyPatch( 'patch-add_interwiki.sql', false, "Refreshing add_interwiki()" );
1162 }
1163
1164 protected function tsearchFixes() {
1165 # Tweak the page_title tsearch2 trigger to filter out slashes
1166 # This is create or replace, so harmless to call if not needed
1167 $this->applyPatch( 'patch-ts2pagetitle.sql', false, "Refreshing ts2_page_title()" );
1168
1169 # If the server is 8.3 or higher, rewrite the tsearch2 triggers
1170 # in case they have the old 'default' versions
1171 # Gather version numbers in case we need them
1172 if ( $this->db->getServerVersion() >= 8.3 ) {
1173 $this->applyPatch( 'patch-tsearch2funcs.sql', false, "Rewriting tsearch2 triggers" );
1174 }
1175 }
1176
1177 protected function rebuildTextSearch() {
1178 if ( $this->updateRowExists( 'patch-textsearch_bug66650.sql' ) ) {
1179 $this->output( "...T68650 already fixed or not applicable.\n" );
1180 return;
1181 };
1182 $this->applyPatch( 'patch-textsearch_bug66650.sql', false,
1183 'Rebuilding text search for T68650' );
1184 }
1185 }
Wiklou, le Wiki du Wiklou