Merge "Avoid an infinite redirect in $wgSecureLogin handling"
[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 /**
25 * Class for handling updates to Postgres databases.
26 *
27 * @ingroup Deployment
28 * @since 1.17
29 */
30 class PostgresUpdater extends DatabaseUpdater {
31
32 /**
33 * @var DatabasePostgres
34 */
35 protected $db;
36
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
41 */
42 protected function getCoreUpdateList() {
43 return array(
44 # rename tables 1.7.3
45 # r15791 Change reserved word table names "user" and "text"
46 array( 'renameTable', 'user', 'mwuser' ),
47 array( 'renameTable', 'text', 'pagecontent' ),
48 array( 'renameIndex', 'mwuser', 'user_pkey', 'mwuser_pkey' ),
49 array( 'renameIndex', 'mwuser', 'user_user_name_key', 'mwuser_user_name_key' ),
50 array( 'renameIndex', 'pagecontent', 'text_pkey', 'pagecontent_pkey' ),
51
52 # renamed sequences
53 array( 'renameSequence', 'ipblocks_ipb_id_val', 'ipblocks_ipb_id_seq' ),
54 array( 'renameSequence', 'rev_rev_id_val', 'revision_rev_id_seq' ),
55 array( 'renameSequence', 'text_old_id_val', 'text_old_id_seq' ),
56 array( 'renameSequence', 'rc_rc_id_seq', 'recentchanges_rc_id_seq' ),
57 array( 'renameSequence', 'log_log_id_seq', 'logging_log_id_seq' ),
58 array( 'renameSequence', 'pr_id_val', 'page_restrictions_pr_id_seq' ),
59 array( 'renameSequence', 'us_id_seq', 'uploadstash_us_id_seq' ),
60
61 # since r58263
62 array( 'renameSequence', 'category_id_seq', 'category_cat_id_seq' ),
63
64 # new sequences if not renamed above
65 array( 'addSequence', 'logging', false, 'logging_log_id_seq' ),
66 array( 'addSequence', 'page_restrictions', false, 'page_restrictions_pr_id_seq' ),
67 array( 'addSequence', 'filearchive', 'fa_id', 'filearchive_fa_id_seq' ),
68 array( 'addSequence', 'archive', false, 'archive_ar_id_seq' ),
69 array( 'addSequence', 'externallinks', false, 'externallinks_el_id_seq' ),
70
71 # new tables
72 array( 'addTable', 'category', 'patch-category.sql' ),
73 array( 'addTable', 'page', 'patch-page.sql' ),
74 array( 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ),
75 array( 'addTable', 'page_props', 'patch-page_props.sql' ),
76 array( 'addTable', 'page_restrictions', 'patch-page_restrictions.sql' ),
77 array( 'addTable', 'profiling', 'patch-profiling.sql' ),
78 array( 'addTable', 'protected_titles', 'patch-protected_titles.sql' ),
79 array( 'addTable', 'redirect', 'patch-redirect.sql' ),
80 array( 'addTable', 'updatelog', 'patch-updatelog.sql' ),
81 array( 'addTable', 'change_tag', 'patch-change_tag.sql' ),
82 array( 'addTable', 'tag_summary', 'patch-tag_summary.sql' ),
83 array( 'addTable', 'valid_tag', 'patch-valid_tag.sql' ),
84 array( 'addTable', 'user_properties', 'patch-user_properties.sql' ),
85 array( 'addTable', 'log_search', 'patch-log_search.sql' ),
86 array( 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ),
87 array( 'addTable', 'iwlinks', 'patch-iwlinks.sql' ),
88 array( 'addTable', 'msg_resource', 'patch-msg_resource.sql' ),
89 array( 'addTable', 'msg_resource_links', 'patch-msg_resource_links.sql' ),
90 array( 'addTable', 'module_deps', 'patch-module_deps.sql' ),
91 array( 'addTable', 'uploadstash', 'patch-uploadstash.sql' ),
92 array( 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ),
93 array( 'addTable', 'sites', 'patch-sites.sql' ),
94
95 # Needed before new field
96 array( 'convertArchive2' ),
97
98 # new fields
99 array( 'addPgField', 'updatelog', 'ul_value', 'TEXT' ),
100 array( 'addPgField', 'archive', 'ar_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
101 array( 'addPgField', 'archive', 'ar_len', 'INTEGER' ),
102 array( 'addPgField', 'archive', 'ar_page_id', 'INTEGER' ),
103 array( 'addPgField', 'archive', 'ar_parent_id', 'INTEGER' ),
104 array( 'addPgField', 'archive', 'ar_content_model', 'TEXT' ),
105 array( 'addPgField', 'archive', 'ar_content_format', 'TEXT' ),
106 array( 'addPgField', 'categorylinks', 'cl_sortkey_prefix', "TEXT NOT NULL DEFAULT ''" ),
107 array( 'addPgField', 'categorylinks', 'cl_collation', "TEXT NOT NULL DEFAULT 0" ),
108 array( 'addPgField', 'categorylinks', 'cl_type', "TEXT NOT NULL DEFAULT 'page'" ),
109 array( 'addPgField', 'image', 'img_sha1', "TEXT NOT NULL DEFAULT ''" ),
110 array( 'addPgField', 'ipblocks', 'ipb_allow_usertalk', 'SMALLINT NOT NULL DEFAULT 0' ),
111 array( 'addPgField', 'ipblocks', 'ipb_anon_only', 'SMALLINT NOT NULL DEFAULT 0' ),
112 array( 'addPgField', 'ipblocks', 'ipb_by_text', "TEXT NOT NULL DEFAULT ''" ),
113 array( 'addPgField', 'ipblocks', 'ipb_block_email', 'SMALLINT NOT NULL DEFAULT 0' ),
114 array( 'addPgField', 'ipblocks', 'ipb_create_account', 'SMALLINT NOT NULL DEFAULT 1' ),
115 array( 'addPgField', 'ipblocks', 'ipb_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
116 array( 'addPgField', 'ipblocks', 'ipb_enable_autoblock', 'SMALLINT NOT NULL DEFAULT 1' ),
117 array( 'addPgField', 'ipblocks', 'ipb_parent_block_id',
118 'INTEGER DEFAULT NULL REFERENCES ipblocks(ipb_id) ' .
119 'ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED' ),
120 array( 'addPgField', 'filearchive', 'fa_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
121 array( 'addPgField', 'filearchive', 'fa_sha1', "TEXT NOT NULL DEFAULT ''" ),
122 array( 'addPgField', 'logging', 'log_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
123 array( 'addPgField', 'logging', 'log_id',
124 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')" ),
125 array( 'addPgField', 'logging', 'log_params', 'TEXT' ),
126 array( 'addPgField', 'mwuser', 'user_editcount', 'INTEGER' ),
127 array( 'addPgField', 'mwuser', 'user_newpass_time', 'TIMESTAMPTZ' ),
128 array( 'addPgField', 'oldimage', 'oi_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
129 array( 'addPgField', 'oldimage', 'oi_major_mime', "TEXT NOT NULL DEFAULT 'unknown'" ),
130 array( 'addPgField', 'oldimage', 'oi_media_type', 'TEXT' ),
131 array( 'addPgField', 'oldimage', 'oi_metadata', "BYTEA NOT NULL DEFAULT ''" ),
132 array( 'addPgField', 'oldimage', 'oi_minor_mime', "TEXT NOT NULL DEFAULT 'unknown'" ),
133 array( 'addPgField', 'oldimage', 'oi_sha1', "TEXT NOT NULL DEFAULT ''" ),
134 array( 'addPgField', 'page', 'page_content_model', 'TEXT' ),
135 array( 'addPgField', 'page_restrictions', 'pr_id',
136 "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_seq')" ),
137 array( 'addPgField', 'profiling', 'pf_memory', 'NUMERIC(18,10) NOT NULL DEFAULT 0' ),
138 array( 'addPgField', 'recentchanges', 'rc_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
139 array( 'addPgField', 'recentchanges', 'rc_log_action', 'TEXT' ),
140 array( 'addPgField', 'recentchanges', 'rc_log_type', 'TEXT' ),
141 array( 'addPgField', 'recentchanges', 'rc_logid', 'INTEGER NOT NULL DEFAULT 0' ),
142 array( 'addPgField', 'recentchanges', 'rc_new_len', 'INTEGER' ),
143 array( 'addPgField', 'recentchanges', 'rc_old_len', 'INTEGER' ),
144 array( 'addPgField', 'recentchanges', 'rc_params', 'TEXT' ),
145 array( 'addPgField', 'redirect', 'rd_interwiki', 'TEXT NULL' ),
146 array( 'addPgField', 'redirect', 'rd_fragment', 'TEXT NULL' ),
147 array( 'addPgField', 'revision', 'rev_deleted', 'SMALLINT NOT NULL DEFAULT 0' ),
148 array( 'addPgField', 'revision', 'rev_len', 'INTEGER' ),
149 array( 'addPgField', 'revision', 'rev_parent_id', 'INTEGER DEFAULT NULL' ),
150 array( 'addPgField', 'revision', 'rev_content_model', 'TEXT' ),
151 array( 'addPgField', 'revision', 'rev_content_format', 'TEXT' ),
152 array( 'addPgField', 'site_stats', 'ss_active_users', "INTEGER DEFAULT '-1'" ),
153 array( 'addPgField', 'user_newtalk', 'user_last_timestamp', 'TIMESTAMPTZ' ),
154 array( 'addPgField', 'logging', 'log_user_text', "TEXT NOT NULL DEFAULT ''" ),
155 array( 'addPgField', 'logging', 'log_page', 'INTEGER' ),
156 array( 'addPgField', 'interwiki', 'iw_api', "TEXT NOT NULL DEFAULT ''" ),
157 array( 'addPgField', 'interwiki', 'iw_wikiid', "TEXT NOT NULL DEFAULT ''" ),
158 array( 'addPgField', 'revision', 'rev_sha1', "TEXT NOT NULL DEFAULT ''" ),
159 array( 'addPgField', 'archive', 'ar_sha1', "TEXT NOT NULL DEFAULT ''" ),
160 array( 'addPgField', 'uploadstash', 'us_chunk_inx', "INTEGER NULL" ),
161 array( 'addPgField', 'job', 'job_timestamp', "TIMESTAMPTZ" ),
162 array( 'addPgField', 'job', 'job_random', "INTEGER NOT NULL DEFAULT 0" ),
163 array( 'addPgField', 'job', 'job_attempts', "INTEGER NOT NULL DEFAULT 0" ),
164 array( 'addPgField', 'job', 'job_token', "TEXT NOT NULL DEFAULT ''" ),
165 array( 'addPgField', 'job', 'job_token_timestamp', "TIMESTAMPTZ" ),
166 array( 'addPgField', 'job', 'job_sha1', "TEXT NOT NULL DEFAULT ''" ),
167 array( 'addPgField', 'archive', 'ar_id',
168 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('archive_ar_id_seq')" ),
169 array( 'addPgField', 'externallinks', 'el_id',
170 "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('externallinks_el_id_seq')" ),
171 array( 'addPgField', 'uploadstash', 'us_props', "BYTEA" ),
172
173 # type changes
174 array( 'changeField', 'archive', 'ar_deleted', 'smallint', '' ),
175 array( 'changeField', 'archive', 'ar_minor_edit', 'smallint',
176 'ar_minor_edit::smallint DEFAULT 0' ),
177 array( 'changeField', 'filearchive', 'fa_deleted', 'smallint', '' ),
178 array( 'changeField', 'filearchive', 'fa_height', 'integer', '' ),
179 array( 'changeField', 'filearchive', 'fa_metadata', 'bytea', "decode(fa_metadata,'escape')" ),
180 array( 'changeField', 'filearchive', 'fa_size', 'integer', '' ),
181 array( 'changeField', 'filearchive', 'fa_width', 'integer', '' ),
182 array( 'changeField', 'filearchive', 'fa_storage_group', 'text', '' ),
183 array( 'changeField', 'filearchive', 'fa_storage_key', 'text', '' ),
184 array( 'changeField', 'image', 'img_metadata', 'bytea', "decode(img_metadata,'escape')" ),
185 array( 'changeField', 'image', 'img_size', 'integer', '' ),
186 array( 'changeField', 'image', 'img_width', 'integer', '' ),
187 array( 'changeField', 'image', 'img_height', 'integer', '' ),
188 array( 'changeField', 'interwiki', 'iw_local', 'smallint', 'iw_local::smallint' ),
189 array( 'changeField', 'interwiki', 'iw_trans', 'smallint', 'iw_trans::smallint DEFAULT 0' ),
190 array( 'changeField', 'ipblocks', 'ipb_auto', 'smallint', 'ipb_auto::smallint DEFAULT 0' ),
191 array( 'changeField', 'ipblocks', 'ipb_anon_only', 'smallint',
192 "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0" ),
193 array( 'changeField', 'ipblocks', 'ipb_create_account', 'smallint',
194 "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1" ),
195 array( 'changeField', 'ipblocks', 'ipb_enable_autoblock', 'smallint',
196 "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1" ),
197 array( 'changeField', 'ipblocks', 'ipb_block_email', 'smallint',
198 "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0" ),
199 array( 'changeField', 'ipblocks', 'ipb_address', 'text', 'ipb_address::text' ),
200 array( 'changeField', 'ipblocks', 'ipb_deleted', 'smallint', 'ipb_deleted::smallint DEFAULT 0' ),
201 array( 'changeField', 'mwuser', 'user_token', 'text', '' ),
202 array( 'changeField', 'mwuser', 'user_email_token', 'text', '' ),
203 array( 'changeField', 'objectcache', 'keyname', 'text', '' ),
204 array( 'changeField', 'oldimage', 'oi_height', 'integer', '' ),
205 array( 'changeField', 'oldimage', 'oi_metadata', 'bytea', "decode(img_metadata,'escape')" ),
206 array( 'changeField', 'oldimage', 'oi_size', 'integer', '' ),
207 array( 'changeField', 'oldimage', 'oi_width', 'integer', '' ),
208 array( 'changeField', 'page', 'page_is_redirect', 'smallint',
209 'page_is_redirect::smallint DEFAULT 0' ),
210 array( 'changeField', 'page', 'page_is_new', 'smallint', 'page_is_new::smallint DEFAULT 0' ),
211 array( 'changeField', 'querycache', 'qc_value', 'integer', '' ),
212 array( 'changeField', 'querycachetwo', 'qcc_value', 'integer', '' ),
213 array( 'changeField', 'recentchanges', 'rc_bot', 'smallint', 'rc_bot::smallint DEFAULT 0' ),
214 array( 'changeField', 'recentchanges', 'rc_deleted', 'smallint', '' ),
215 array( 'changeField', 'recentchanges', 'rc_minor', 'smallint', 'rc_minor::smallint DEFAULT 0' ),
216 array( 'changeField', 'recentchanges', 'rc_new', 'smallint', 'rc_new::smallint DEFAULT 0' ),
217 array( 'changeField', 'recentchanges', 'rc_type', 'smallint', 'rc_type::smallint DEFAULT 0' ),
218 array( 'changeField', 'recentchanges', 'rc_patrolled', 'smallint',
219 'rc_patrolled::smallint DEFAULT 0' ),
220 array( 'changeField', 'revision', 'rev_deleted', 'smallint', 'rev_deleted::smallint DEFAULT 0' ),
221 array( 'changeField', 'revision', 'rev_minor_edit', 'smallint',
222 'rev_minor_edit::smallint DEFAULT 0' ),
223 array( 'changeField', 'templatelinks', 'tl_namespace', 'smallint', 'tl_namespace::smallint' ),
224 array( 'changeField', 'user_newtalk', 'user_ip', 'text', 'host(user_ip)' ),
225 array( 'changeField', 'uploadstash', 'us_image_bits', 'smallint', '' ),
226 array( 'changeField', 'profiling', 'pf_time', 'float', '' ),
227 array( 'changeField', 'profiling', 'pf_memory', 'float', '' ),
228
229 # null changes
230 array( 'changeNullableField', 'oldimage', 'oi_bits', 'NULL' ),
231 array( 'changeNullableField', 'oldimage', 'oi_timestamp', 'NULL' ),
232 array( 'changeNullableField', 'oldimage', 'oi_major_mime', 'NULL' ),
233 array( 'changeNullableField', 'oldimage', 'oi_minor_mime', 'NULL' ),
234 array( 'changeNullableField', 'image', 'img_metadata', 'NOT NULL' ),
235 array( 'changeNullableField', 'filearchive', 'fa_metadata', 'NOT NULL' ),
236 array( 'changeNullableField', 'recentchanges', 'rc_cur_id', 'NULL' ),
237 array( 'changeNullableField', 'recentchanges', 'rc_cur_time', 'NULL' ),
238
239 array( 'checkOiDeleted' ),
240
241 # New indexes
242 array( 'addPgIndex', 'archive', 'archive_user_text', '(ar_user_text)' ),
243 array( 'addPgIndex', 'image', 'img_sha1', '(img_sha1)' ),
244 array( 'addPgIndex', 'ipblocks', 'ipb_parent_block_id', '(ipb_parent_block_id)' ),
245 array( 'addPgIndex', 'oldimage', 'oi_sha1', '(oi_sha1)' ),
246 array( 'addPgIndex', 'page', 'page_mediawiki_title', '(page_title) WHERE page_namespace = 8' ),
247 array( 'addPgIndex', 'pagelinks', 'pagelinks_title', '(pl_title)' ),
248 array( 'addPgIndex', 'page_props', 'pp_propname_page', '(pp_propname, pp_page)' ),
249 array( 'addPgIndex', 'revision', 'rev_text_id_idx', '(rev_text_id)' ),
250 array( 'addPgIndex', 'recentchanges', 'rc_timestamp_bot', '(rc_timestamp) WHERE rc_bot = 0' ),
251 array( 'addPgIndex', 'templatelinks', 'templatelinks_from', '(tl_from)' ),
252 array( 'addPgIndex', 'watchlist', 'wl_user', '(wl_user)' ),
253 array( 'addPgIndex', 'logging', 'logging_user_type_time',
254 '(log_user, log_type, log_timestamp)' ),
255 array( 'addPgIndex', 'logging', 'logging_page_id_time', '(log_page,log_timestamp)' ),
256 array( 'addPgIndex', 'iwlinks', 'iwl_prefix_from_title', '(iwl_prefix, iwl_from, iwl_title)' ),
257 array( 'addPgIndex', 'iwlinks', 'iwl_prefix_title_from', '(iwl_prefix, iwl_title, iwl_from)' ),
258 array( 'addPgIndex', 'job', 'job_timestamp_idx', '(job_timestamp)' ),
259 array( 'addPgIndex', 'job', 'job_sha1', '(job_sha1)' ),
260 array( 'addPgIndex', 'job', 'job_cmd_token', '(job_cmd, job_token, job_random)' ),
261 array( 'addPgIndex', 'job', 'job_cmd_token_id', '(job_cmd, job_token, job_id)' ),
262 array( 'addPgIndex', 'filearchive', 'fa_sha1', '(fa_sha1)' ),
263 array( 'addPgIndex', 'logging', 'logging_user_text_type_time',
264 '(log_user_text, log_type, log_timestamp)' ),
265 array( 'addPgIndex', 'logging', 'logging_user_text_time', '(log_user_text, log_timestamp)' ),
266
267 array( 'checkIndex', 'pagelink_unique', array(
268 array( 'pl_from', 'int4_ops', 'btree', 0 ),
269 array( 'pl_namespace', 'int2_ops', 'btree', 0 ),
270 array( 'pl_title', 'text_ops', 'btree', 0 ),
271 ),
272 'CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)' ),
273 array( 'checkIndex', 'cl_sortkey', array(
274 array( 'cl_to', 'text_ops', 'btree', 0 ),
275 array( 'cl_sortkey', 'text_ops', 'btree', 0 ),
276 array( 'cl_from', 'int4_ops', 'btree', 0 ),
277 ),
278 'CREATE INDEX cl_sortkey ON "categorylinks" ' .
279 'USING "btree" ("cl_to", "cl_sortkey", "cl_from")' ),
280 array( 'checkIndex', 'iwl_prefix_title_from', array(
281 array( 'iwl_prefix', 'text_ops', 'btree', 0 ),
282 array( 'iwl_title', 'text_ops', 'btree', 0 ),
283 array( 'iwl_from', 'int4_ops', 'btree', 0 ),
284 ),
285 'CREATE INDEX iwl_prefix_title_from ON "iwlinks" ' .
286 'USING "btree" ("iwl_prefix", "iwl_title", "iwl_from")' ),
287 array( 'checkIndex', 'logging_times', array(
288 array( 'log_timestamp', 'timestamptz_ops', 'btree', 0 ),
289 ),
290 'CREATE INDEX "logging_times" ON "logging" USING "btree" ("log_timestamp")' ),
291 array( 'dropIndex', 'oldimage', 'oi_name' ),
292 array( 'checkIndex', 'oi_name_archive_name', array(
293 array( 'oi_name', 'text_ops', 'btree', 0 ),
294 array( 'oi_archive_name', 'text_ops', 'btree', 0 ),
295 ),
296 'CREATE INDEX "oi_name_archive_name" ON "oldimage" ' .
297 'USING "btree" ("oi_name", "oi_archive_name")' ),
298 array( 'checkIndex', 'oi_name_timestamp', array(
299 array( 'oi_name', 'text_ops', 'btree', 0 ),
300 array( 'oi_timestamp', 'timestamptz_ops', 'btree', 0 ),
301 ),
302 'CREATE INDEX "oi_name_timestamp" ON "oldimage" ' .
303 'USING "btree" ("oi_name", "oi_timestamp")' ),
304 array( 'checkIndex', 'page_main_title', array(
305 array( 'page_title', 'text_pattern_ops', 'btree', 0 ),
306 ),
307 'CREATE INDEX "page_main_title" ON "page" ' .
308 'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 0)' ),
309 array( 'checkIndex', 'page_mediawiki_title', array(
310 array( 'page_title', 'text_pattern_ops', 'btree', 0 ),
311 ),
312 'CREATE INDEX "page_mediawiki_title" ON "page" ' .
313 'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 8)' ),
314 array( 'checkIndex', 'page_project_title', array(
315 array( 'page_title', 'text_pattern_ops', 'btree', 0 ),
316 ),
317 'CREATE INDEX "page_project_title" ON "page" ' .
318 'USING "btree" ("page_title" "text_pattern_ops") ' .
319 'WHERE ("page_namespace" = 4)' ),
320 array( 'checkIndex', 'page_talk_title', array(
321 array( 'page_title', 'text_pattern_ops', 'btree', 0 ),
322 ),
323 'CREATE INDEX "page_talk_title" ON "page" ' .
324 'USING "btree" ("page_title" "text_pattern_ops") ' .
325 'WHERE ("page_namespace" = 1)' ),
326 array( 'checkIndex', 'page_user_title', array(
327 array( 'page_title', 'text_pattern_ops', 'btree', 0 ),
328 ),
329 'CREATE INDEX "page_user_title" ON "page" ' .
330 'USING "btree" ("page_title" "text_pattern_ops") WHERE ' .
331 '("page_namespace" = 2)' ),
332 array( 'checkIndex', 'page_utalk_title', array(
333 array( 'page_title', 'text_pattern_ops', 'btree', 0 ),
334 ),
335 'CREATE INDEX "page_utalk_title" ON "page" ' .
336 'USING "btree" ("page_title" "text_pattern_ops") ' .
337 'WHERE ("page_namespace" = 3)' ),
338 array( 'checkIndex', 'ts2_page_text', array(
339 array( 'textvector', 'tsvector_ops', 'gist', 0 ),
340 ),
341 'CREATE INDEX "ts2_page_text" ON "pagecontent" USING "gist" ("textvector")' ),
342 array( 'checkIndex', 'ts2_page_title', array(
343 array( 'titlevector', 'tsvector_ops', 'gist', 0 ),
344 ),
345 'CREATE INDEX "ts2_page_title" ON "page" USING "gist" ("titlevector")' ),
346
347 array( 'checkOiNameConstraint' ),
348 array( 'checkPageDeletedTrigger' ),
349 array( 'checkRevUserFkey' ),
350 array( 'dropIndex', 'ipblocks', 'ipb_address' ),
351 array( 'checkIndex', 'ipb_address_unique', array(
352 array( 'ipb_address', 'text_ops', 'btree', 0 ),
353 array( 'ipb_user', 'int4_ops', 'btree', 0 ),
354 array( 'ipb_auto', 'int2_ops', 'btree', 0 ),
355 array( 'ipb_anon_only', 'int2_ops', 'btree', 0 ),
356 ),
357 'CREATE UNIQUE INDEX ipb_address_unique ' .
358 'ON ipblocks (ipb_address,ipb_user,ipb_auto,ipb_anon_only)' ),
359
360 array( 'checkIwlPrefix' ),
361
362 # All FK columns should be deferred
363 array( 'changeFkeyDeferrable', 'archive', 'ar_user', 'mwuser(user_id) ON DELETE SET NULL' ),
364 array( 'changeFkeyDeferrable', 'categorylinks', 'cl_from', 'page(page_id) ON DELETE CASCADE' ),
365 array( 'changeFkeyDeferrable', 'externallinks', 'el_from', 'page(page_id) ON DELETE CASCADE' ),
366 array( 'changeFkeyDeferrable', 'filearchive', 'fa_deleted_user',
367 'mwuser(user_id) ON DELETE SET NULL' ),
368 array( 'changeFkeyDeferrable', 'filearchive', 'fa_user', 'mwuser(user_id) ON DELETE SET NULL' ),
369 array( 'changeFkeyDeferrable', 'image', 'img_user', 'mwuser(user_id) ON DELETE SET NULL' ),
370 array( 'changeFkeyDeferrable', 'imagelinks', 'il_from', 'page(page_id) ON DELETE CASCADE' ),
371 array( 'changeFkeyDeferrable', 'ipblocks', 'ipb_by', 'mwuser(user_id) ON DELETE CASCADE' ),
372 array( 'changeFkeyDeferrable', 'ipblocks', 'ipb_user', 'mwuser(user_id) ON DELETE SET NULL' ),
373 array( 'changeFkeyDeferrable', 'ipblocks', 'ipb_parent_block_id',
374 'ipblocks(ipb_id) ON DELETE SET NULL' ),
375 array( 'changeFkeyDeferrable', 'langlinks', 'll_from', 'page(page_id) ON DELETE CASCADE' ),
376 array( 'changeFkeyDeferrable', 'logging', 'log_user', 'mwuser(user_id) ON DELETE SET NULL' ),
377 array( 'changeFkeyDeferrable', 'oldimage', 'oi_name',
378 'image(img_name) ON DELETE CASCADE ON UPDATE CASCADE' ),
379 array( 'changeFkeyDeferrable', 'oldimage', 'oi_user', 'mwuser(user_id) ON DELETE SET NULL' ),
380 array( 'changeFkeyDeferrable', 'pagelinks', 'pl_from', 'page(page_id) ON DELETE CASCADE' ),
381 array( 'changeFkeyDeferrable', 'page_props', 'pp_page', 'page (page_id) ON DELETE CASCADE' ),
382 array( 'changeFkeyDeferrable', 'page_restrictions', 'pr_page',
383 'page(page_id) ON DELETE CASCADE' ),
384 array( 'changeFkeyDeferrable', 'protected_titles', 'pt_user',
385 'mwuser(user_id) ON DELETE SET NULL' ),
386 array( 'changeFkeyDeferrable', 'recentchanges', 'rc_cur_id',
387 'page(page_id) ON DELETE SET NULL' ),
388 array( 'changeFkeyDeferrable', 'recentchanges', 'rc_user',
389 'mwuser(user_id) ON DELETE SET NULL' ),
390 array( 'changeFkeyDeferrable', 'redirect', 'rd_from', 'page(page_id) ON DELETE CASCADE' ),
391 array( 'changeFkeyDeferrable', 'revision', 'rev_page', 'page (page_id) ON DELETE CASCADE' ),
392 array( 'changeFkeyDeferrable', 'revision', 'rev_user', 'mwuser(user_id) ON DELETE RESTRICT' ),
393 array( 'changeFkeyDeferrable', 'templatelinks', 'tl_from', 'page(page_id) ON DELETE CASCADE' ),
394 array( 'changeFkeyDeferrable', 'user_groups', 'ug_user', 'mwuser(user_id) ON DELETE CASCADE' ),
395 array( 'changeFkeyDeferrable', 'user_newtalk', 'user_id', 'mwuser(user_id) ON DELETE CASCADE' ),
396 array( 'changeFkeyDeferrable', 'user_properties', 'up_user',
397 'mwuser(user_id) ON DELETE CASCADE' ),
398 array( 'changeFkeyDeferrable', 'watchlist', 'wl_user', 'mwuser(user_id) ON DELETE CASCADE' ),
399
400 # r81574
401 array( 'addInterwikiType' ),
402 # end
403 array( 'tsearchFixes' ),
404
405 // 1.23
406 array( 'addPgField', 'recentchanges', 'rc_source', "TEXT NOT NULL DEFAULT ''" ),
407 array( 'addPgField', 'page', 'page_links_updated', "TIMESTAMPTZ NULL" ),
408 array( 'addPgField', 'mwuser', 'user_password_expires', 'TIMESTAMPTZ NULL' ),
409 array( 'changeFieldPurgeTable', 'l10n_cache', 'lc_value', 'bytea',
410 "replace(lc_value,'\','\\\\')::bytea" ),
411
412 // 1.24
413 array( 'addPgField', 'page_props', 'pp_sortkey', 'float NULL' ),
414 array( 'addPgIndex', 'page_props', 'pp_propname_sortkey_page',
415 '( pp_propname, pp_sortkey, pp_page ) WHERE ( pp_sortkey IS NOT NULL )' ),
416 );
417 }
418
419 protected function getOldGlobalUpdates() {
420 global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
421
422 $updates = array();
423
424 # Add missing extension tables
425 foreach ( $wgExtNewTables as $tableRecord ) {
426 $updates[] = array(
427 'addTable', $tableRecord[0], $tableRecord[1], true
428 );
429 }
430
431 # Add missing extension fields
432 foreach ( $wgExtPGNewFields as $fieldRecord ) {
433 $updates[] = array(
434 'addPgField', $fieldRecord[0], $fieldRecord[1],
435 $fieldRecord[2]
436 );
437 }
438
439 # Change altered columns
440 foreach ( $wgExtPGAlteredFields as $fieldRecord ) {
441 $updates[] = array(
442 'changeField', $fieldRecord[0], $fieldRecord[1],
443 $fieldRecord[2]
444 );
445 }
446
447 # Add missing extension indexes
448 foreach ( $wgExtNewIndexes as $fieldRecord ) {
449 $updates[] = array(
450 'addPgExtIndex', $fieldRecord[0], $fieldRecord[1],
451 $fieldRecord[2]
452 );
453 }
454
455 return $updates;
456 }
457
458 protected function describeTable( $table ) {
459 $q = <<<END
460 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
461 WHERE pg_class.relnamespace = pg_namespace.oid
462 AND attrelid=pg_class.oid AND attnum > 0
463 AND relname=%s AND nspname=%s
464 END;
465 $res = $this->db->query( sprintf( $q,
466 $this->db->addQuotes( $table ),
467 $this->db->addQuotes( $this->db->getCoreSchema() ) ) );
468 if ( !$res ) {
469 return null;
470 }
471
472 $cols = array();
473 foreach ( $res as $r ) {
474 $cols[] = array(
475 "name" => $r[0],
476 "ord" => $r[1],
477 );
478 }
479
480 return $cols;
481 }
482
483 function describeIndex( $idx ) {
484 // first fetch the key (which is a list of columns ords) and
485 // the table the index applies to (an oid)
486 $q = <<<END
487 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
488 WHERE nspname=%s
489 AND pg_class.relnamespace = pg_namespace.oid
490 AND relname=%s
491 AND indexrelid=pg_class.oid
492 END;
493 $res = $this->db->query(
494 sprintf(
495 $q,
496 $this->db->addQuotes( $this->db->getCoreSchema() ),
497 $this->db->addQuotes( $idx )
498 )
499 );
500 if ( !$res ) {
501 return null;
502 }
503 if ( !( $r = $this->db->fetchRow( $res ) ) ) {
504 return null;
505 }
506
507 $indkey = $r[0];
508 $relid = intval( $r[1] );
509 $indkeys = explode( ' ', $indkey );
510
511 $colnames = array();
512 foreach ( $indkeys as $rid ) {
513 $query = <<<END
514 SELECT attname FROM pg_class, pg_attribute
515 WHERE attrelid=$relid
516 AND attnum=%d
517 AND attrelid=pg_class.oid
518 END;
519 $r2 = $this->db->query( sprintf( $query, $rid ) );
520 if ( !$r2 ) {
521 return null;
522 }
523 if ( !( $row2 = $this->db->fetchRow( $r2 ) ) ) {
524 return null;
525 }
526 $colnames[] = $row2[0];
527 }
528
529 return $colnames;
530 }
531
532 function fkeyDeltype( $fkey ) {
533 $q = <<<END
534 SELECT confdeltype FROM pg_constraint, pg_namespace
535 WHERE connamespace=pg_namespace.oid
536 AND nspname=%s
537 AND conname=%s;
538 END;
539 $r = $this->db->query(
540 sprintf(
541 $q,
542 $this->db->addQuotes( $this->db->getCoreSchema() ),
543 $this->db->addQuotes( $fkey )
544 )
545 );
546 if ( !( $row = $this->db->fetchRow( $r ) ) ) {
547 return null;
548 }
549
550 return $row[0];
551 }
552
553 function ruleDef( $table, $rule ) {
554 $q = <<<END
555 SELECT definition FROM pg_rules
556 WHERE schemaname = %s
557 AND tablename = %s
558 AND rulename = %s
559 END;
560 $r = $this->db->query(
561 sprintf(
562 $q,
563 $this->db->addQuotes( $this->db->getCoreSchema() ),
564 $this->db->addQuotes( $table ),
565 $this->db->addQuotes( $rule )
566 )
567 );
568 $row = $this->db->fetchRow( $r );
569 if ( !$row ) {
570 return null;
571 }
572 $d = $row[0];
573
574 return $d;
575 }
576
577 protected function addSequence( $table, $pkey, $ns ) {
578 if ( !$this->db->sequenceExists( $ns ) ) {
579 $this->output( "Creating sequence $ns\n" );
580 $this->db->query( "CREATE SEQUENCE $ns" );
581 if ( $pkey !== false ) {
582 $this->setDefault( $table, $pkey, '"nextval"(\'"' . $ns . '"\'::"regclass")' );
583 }
584 }
585 }
586
587 protected function renameSequence( $old, $new ) {
588 if ( $this->db->sequenceExists( $new ) ) {
589 $this->output( "...sequence $new already exists.\n" );
590
591 return;
592 }
593 if ( $this->db->sequenceExists( $old ) ) {
594 $this->output( "Renaming sequence $old to $new\n" );
595 $this->db->query( "ALTER SEQUENCE $old RENAME TO $new" );
596 }
597 }
598
599 protected function renameTable( $old, $new, $patch = false ) {
600 if ( $this->db->tableExists( $old ) ) {
601 $this->output( "Renaming table $old to $new\n" );
602 $old = $this->db->realTableName( $old, "quoted" );
603 $new = $this->db->realTableName( $new, "quoted" );
604 $this->db->query( "ALTER TABLE $old RENAME TO $new" );
605 if ( $patch !== false ) {
606 $this->applyPatch( $patch );
607 }
608 }
609 }
610
611 protected function renameIndex(
612 $table, $old, $new, $skipBothIndexExistWarning = false, $a = false, $b = false
613 ) {
614 // First requirement: the table must exist
615 if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
616 $this->output( "...skipping: '$table' table doesn't exist yet.\n" );
617
618 return;
619 }
620
621 // Second requirement: the new index must be missing
622 if ( $this->db->indexExists( $table, $new, __METHOD__ ) ) {
623 $this->output( "...index $new already set on $table table.\n" );
624 if ( !$skipBothIndexExistWarning
625 && $this->db->indexExists( $table, $old, __METHOD__ )
626 ) {
627 $this->output( "...WARNING: $old still exists, despite it has been " .
628 "renamed into $new (which also exists).\n" .
629 " $old should be manually removed if not needed anymore.\n" );
630 }
631
632 return;
633 }
634
635 // Third requirement: the old index must exist
636 if ( !$this->db->indexExists( $table, $old, __METHOD__ ) ) {
637 $this->output( "...skipping: index $old doesn't exist.\n" );
638
639 return;
640 }
641
642 $this->db->query( "ALTER INDEX $old RENAME TO $new" );
643 }
644
645 protected function addPgField( $table, $field, $type ) {
646 $fi = $this->db->fieldInfo( $table, $field );
647 if ( !is_null( $fi ) ) {
648 $this->output( "...column '$table.$field' already exists\n" );
649
650 return;
651 } else {
652 $this->output( "Adding column '$table.$field'\n" );
653 $this->db->query( "ALTER TABLE $table ADD $field $type" );
654 }
655 }
656
657 protected function changeField( $table, $field, $newtype, $default ) {
658 $fi = $this->db->fieldInfo( $table, $field );
659 if ( is_null( $fi ) ) {
660 $this->output( "...ERROR: expected column $table.$field to exist\n" );
661 exit( 1 );
662 }
663
664 if ( $fi->type() === $newtype ) {
665 $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
666 } else {
667 $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
668 $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
669 if ( strlen( $default ) ) {
670 $res = array();
671 if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
672 $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
673 $this->db->query( $sqldef );
674 $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
675 }
676 $sql .= " USING $default";
677 }
678 $this->db->query( $sql );
679 }
680 }
681
682 protected function changeFieldPurgeTable( $table, $field, $newtype, $default ) {
683 ## For a cache table, empty it if the field needs to be changed, because the old contents
684 ## may be corrupted. If the column is already the desired type, refrain from purging.
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 );
689 }
690
691 if ( $fi->type() === $newtype ) {
692 $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
693 } else {
694 $this->output( "Purging data from cache table '$table'\n" );
695 $this->db->query("DELETE from $table" );
696 $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
697 $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
698 if ( strlen( $default ) ) {
699 $res = array();
700 if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
701 $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
702 $this->db->query( $sqldef );
703 $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
704 }
705 $sql .= " USING $default";
706 }
707 $this->db->query( $sql );
708 }
709 }
710
711 protected function setDefault( $table, $field, $default ) {
712
713 $info = $this->db->fieldInfo( $table, $field );
714 if ( $info->defaultValue() !== $default ) {
715 $this->output( "Changing '$table.$field' default value\n" );
716 $this->db->query( "ALTER TABLE $table ALTER $field SET DEFAULT " . $default );
717 }
718 }
719
720 protected function changeNullableField( $table, $field, $null ) {
721 $fi = $this->db->fieldInfo( $table, $field );
722 if ( is_null( $fi ) ) {
723 $this->output( "...ERROR: expected column $table.$field to exist\n" );
724 exit( 1 );
725 }
726 if ( $fi->isNullable() ) {
727 # # It's NULL - does it need to be NOT NULL?
728 if ( 'NOT NULL' === $null ) {
729 $this->output( "Changing '$table.$field' to not allow NULLs\n" );
730 $this->db->query( "ALTER TABLE $table ALTER $field SET NOT NULL" );
731 } else {
732 $this->output( "...column '$table.$field' is already set as NULL\n" );
733 }
734 } else {
735 # # It's NOT NULL - does it need to be NULL?
736 if ( 'NULL' === $null ) {
737 $this->output( "Changing '$table.$field' to allow NULLs\n" );
738 $this->db->query( "ALTER TABLE $table ALTER $field DROP NOT NULL" );
739 } else {
740 $this->output( "...column '$table.$field' is already set as NOT NULL\n" );
741 }
742 }
743 }
744
745 public function addPgIndex( $table, $index, $type ) {
746 if ( $this->db->indexExists( $table, $index ) ) {
747 $this->output( "...index '$index' on table '$table' already exists\n" );
748 } else {
749 $this->output( "Creating index '$index' on table '$table' $type\n" );
750 $this->db->query( "CREATE INDEX $index ON $table $type" );
751 }
752 }
753
754 public function addPgExtIndex( $table, $index, $type ) {
755 if ( $this->db->indexExists( $table, $index ) ) {
756 $this->output( "...index '$index' on table '$table' already exists\n" );
757 } else {
758 if ( preg_match( '/^\(/', $type ) ) {
759 $this->output( "Creating index '$index' on table '$table'\n" );
760 $this->db->query( "CREATE INDEX $index ON $table $type" );
761 } else {
762 $this->applyPatch( $type, true, "Creating index '$index' on table '$table'" );
763 }
764 }
765 }
766
767 protected function changeFkeyDeferrable( $table, $field, $clause ) {
768 $fi = $this->db->fieldInfo( $table, $field );
769 if ( is_null( $fi ) ) {
770 $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
771 "Please report this.\n" );
772
773 return;
774 }
775 if ( $fi->is_deferred() && $fi->is_deferrable() ) {
776 return;
777 }
778 $this->output( "Altering column '$table.$field' to be DEFERRABLE INITIALLY DEFERRED\n" );
779 $conname = $fi->conname();
780 if ( $fi->conname() ) {
781 $conclause = "CONSTRAINT \"$conname\"";
782 $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
783 $this->db->query( $command );
784 } else {
785 $this->output( "Column '$table.$field' does not have a foreign key " .
786 "constraint, will be added\n" );
787 $conclause = "";
788 }
789 $command =
790 "ALTER TABLE $table ADD $conclause " .
791 "FOREIGN KEY ($field) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
792 $this->db->query( $command );
793 }
794
795 protected function convertArchive2() {
796 if ( $this->db->tableExists( "archive2" ) ) {
797 if ( $this->db->ruleExists( 'archive', 'archive_insert' ) ) {
798 $this->output( "Dropping rule 'archive_insert'\n" );
799 $this->db->query( 'DROP RULE archive_insert ON archive' );
800 }
801 if ( $this->db->ruleExists( 'archive', 'archive_delete' ) ) {
802 $this->output( "Dropping rule 'archive_delete'\n" );
803 $this->db->query( 'DROP RULE archive_delete ON archive' );
804 }
805 $this->applyPatch(
806 'patch-remove-archive2.sql',
807 false,
808 "Converting 'archive2' back to normal archive table"
809 );
810 } else {
811 $this->output( "...obsolete table 'archive2' does not exist\n" );
812 }
813 }
814
815 protected function checkOiDeleted() {
816 if ( $this->db->fieldInfo( 'oldimage', 'oi_deleted' )->type() !== 'smallint' ) {
817 $this->output( "Changing 'oldimage.oi_deleted' to type 'smallint'\n" );
818 $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
819 $this->db->query(
820 "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
821 $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
822 } else {
823 $this->output( "...column 'oldimage.oi_deleted' is already of type 'smallint'\n" );
824 }
825 }
826
827 protected function checkOiNameConstraint() {
828 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascaded" ) ) {
829 $this->output( "...table 'oldimage' has correct cascading delete/update " .
830 "foreign key to image\n" );
831 } else {
832 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey" ) ) {
833 $this->db->query(
834 "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
835 }
836 if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascade" ) ) {
837 $this->db->query(
838 "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
839 }
840 $this->output( "Making foreign key on table 'oldimage' (to image) a cascade delete/update\n" );
841 $this->db->query(
842 "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded " .
843 "FOREIGN KEY (oi_name) REFERENCES image(img_name) " .
844 "ON DELETE CASCADE ON UPDATE CASCADE" );
845 }
846 }
847
848 protected function checkPageDeletedTrigger() {
849 if ( !$this->db->triggerExists( 'page', 'page_deleted' ) ) {
850 $this->applyPatch(
851 'patch-page_deleted.sql',
852 false,
853 "Adding function and trigger 'page_deleted' to table 'page'"
854 );
855 } else {
856 $this->output( "...table 'page' has 'page_deleted' trigger\n" );
857 }
858 }
859
860 protected function dropIndex( $table, $index, $patch = '', $fullpath = false ) {
861 if ( $this->db->indexExists( $table, $index ) ) {
862 $this->output( "Dropping obsolete index '$index'\n" );
863 $this->db->query( "DROP INDEX \"" . $index . "\"" );
864 }
865 }
866
867 protected function checkIndex( $index, $should_be, $good_def ) {
868 $pu = $this->db->indexAttributes( $index );
869 if ( !empty( $pu ) && $pu != $should_be ) {
870 $this->output( "Dropping obsolete version of index '$index'\n" );
871 $this->db->query( "DROP INDEX \"" . $index . "\"" );
872 $pu = array();
873 } else {
874 $this->output( "...no need to drop index '$index'\n" );
875 }
876
877 if ( empty( $pu ) ) {
878 $this->output( "Creating index '$index'\n" );
879 $this->db->query( $good_def );
880 } else {
881 $this->output( "...index '$index' exists\n" );
882 }
883 }
884
885 protected function checkRevUserFkey() {
886 if ( $this->fkeyDeltype( 'revision_rev_user_fkey' ) == 'r' ) {
887 $this->output( "...constraint 'revision_rev_user_fkey' is ON DELETE RESTRICT\n" );
888 } else {
889 $this->applyPatch(
890 'patch-revision_rev_user_fkey.sql',
891 false,
892 "Changing constraint 'revision_rev_user_fkey' to ON DELETE RESTRICT"
893 );
894 }
895 }
896
897 protected function checkIwlPrefix() {
898 if ( $this->db->indexExists( 'iwlinks', 'iwl_prefix' ) ) {
899 $this->applyPatch(
900 'patch-rename-iwl_prefix.sql',
901 false,
902 "Replacing index 'iwl_prefix' with 'iwl_prefix_title_from'"
903 );
904 }
905 }
906
907 protected function addInterwikiType() {
908 $this->applyPatch( 'patch-add_interwiki.sql', false, "Refreshing add_interwiki()" );
909 }
910
911 protected function tsearchFixes() {
912 # Tweak the page_title tsearch2 trigger to filter out slashes
913 # This is create or replace, so harmless to call if not needed
914 $this->applyPatch( 'patch-ts2pagetitle.sql', false, "Refreshing ts2_page_title()" );
915
916 # If the server is 8.3 or higher, rewrite the tsearch2 triggers
917 # in case they have the old 'default' versions
918 # Gather version numbers in case we need them
919 if ( $this->db->getServerVersion() >= 8.3 ) {
920 $this->applyPatch( 'patch-tsearch2funcs.sql', false, "Rewriting tsearch2 triggers" );
921 }
922 }
923 }