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PostgresUpdater.php
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1 <?php
24 use Wikimedia\Rdbms\DatabasePostgres;
25 
32 class PostgresUpdater extends DatabaseUpdater {
33 
37  protected $db;
38 
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 
75  # new tables
76  [ 'addTable', 'category', 'patch-category.sql' ],
77  [ 'addTable', 'page', 'patch-page.sql' ],
78  [ 'addTable', 'querycachetwo', 'patch-querycachetwo.sql' ],
79  [ 'addTable', 'page_props', 'patch-page_props.sql' ],
80  [ 'addTable', 'page_restrictions', 'patch-page_restrictions.sql' ],
81  [ 'addTable', 'protected_titles', 'patch-protected_titles.sql' ],
82  [ 'addTable', 'redirect', 'patch-redirect.sql' ],
83  [ 'addTable', 'updatelog', 'patch-updatelog.sql' ],
84  [ 'addTable', 'change_tag', 'patch-change_tag.sql' ],
85  [ 'addTable', 'user_properties', 'patch-user_properties.sql' ],
86  [ 'addTable', 'log_search', 'patch-log_search.sql' ],
87  [ 'addTable', 'l10n_cache', 'patch-l10n_cache.sql' ],
88  [ 'addTable', 'iwlinks', 'patch-iwlinks.sql' ],
89  [ 'addTable', 'module_deps', 'patch-module_deps.sql' ],
90  [ 'addTable', 'uploadstash', 'patch-uploadstash.sql' ],
91  [ 'addTable', 'user_former_groups', 'patch-user_former_groups.sql' ],
92  [ 'addTable', 'sites', 'patch-sites.sql' ],
93  [ 'addTable', 'bot_passwords', 'patch-bot_passwords.sql' ],
94 
95  # Needed before new field
96  [ 'convertArchive2' ],
97 
98  # new fields
99  [ 'addPgField', 'updatelog', 'ul_value', 'TEXT' ],
100  [ 'addPgField', 'archive', 'ar_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
101  [ 'addPgField', 'archive', 'ar_len', 'INTEGER' ],
102  [ 'addPgField', 'archive', 'ar_page_id', 'INTEGER' ],
103  [ 'addPgField', 'archive', 'ar_parent_id', 'INTEGER' ],
104  [ 'ifFieldExists', 'archive', 'ar_text_id',
105  'addPgField', 'archive', 'ar_content_model', 'TEXT' ],
106  [ 'ifFieldExists', 'archive', 'ar_text_id',
107  'addPgField', 'archive', 'ar_content_format', 'TEXT' ],
108  [ 'addPgField', 'categorylinks', 'cl_sortkey_prefix', "TEXT NOT NULL DEFAULT ''" ],
109  [ 'addPgField', 'categorylinks', 'cl_collation', "TEXT NOT NULL DEFAULT 0" ],
110  [ 'addPgField', 'categorylinks', 'cl_type', "TEXT NOT NULL DEFAULT 'page'" ],
111  [ 'addPgField', 'image', 'img_sha1', "TEXT NOT NULL DEFAULT ''" ],
112  [ 'addPgField', 'ipblocks', 'ipb_allow_usertalk', 'SMALLINT NOT NULL DEFAULT 0' ],
113  [ 'addPgField', 'ipblocks', 'ipb_anon_only', 'SMALLINT NOT NULL DEFAULT 0' ],
114  [ 'ifTableNotExists', 'actor',
115  'addPgField', 'ipblocks', 'ipb_by_text', "TEXT NOT NULL DEFAULT ''" ],
116  [ 'addPgField', 'ipblocks', 'ipb_block_email', 'SMALLINT NOT NULL DEFAULT 0' ],
117  [ 'addPgField', 'ipblocks', 'ipb_create_account', 'SMALLINT NOT NULL DEFAULT 1' ],
118  [ 'addPgField', 'ipblocks', 'ipb_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
119  [ 'addPgField', 'ipblocks', 'ipb_enable_autoblock', 'SMALLINT NOT NULL DEFAULT 1' ],
120  [ 'addPgField', 'ipblocks', 'ipb_parent_block_id',
121  'INTEGER DEFAULT NULL REFERENCES ipblocks(ipb_id) ' .
122  'ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED' ],
123  [ 'addPgField', 'filearchive', 'fa_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
124  [ 'addPgField', 'filearchive', 'fa_sha1', "TEXT NOT NULL DEFAULT ''" ],
125  [ 'addPgField', 'logging', 'log_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
126  [ 'addPgField', 'logging', 'log_id',
127  "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('logging_log_id_seq')" ],
128  [ 'addPgField', 'logging', 'log_params', 'TEXT' ],
129  [ 'addPgField', 'mwuser', 'user_editcount', 'INTEGER' ],
130  [ 'addPgField', 'mwuser', 'user_newpass_time', 'TIMESTAMPTZ' ],
131  [ 'addPgField', 'oldimage', 'oi_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
132  [ 'addPgField', 'oldimage', 'oi_major_mime', "TEXT NOT NULL DEFAULT 'unknown'" ],
133  [ 'addPgField', 'oldimage', 'oi_media_type', 'TEXT' ],
134  [ 'addPgField', 'oldimage', 'oi_metadata', "BYTEA NOT NULL DEFAULT ''" ],
135  [ 'addPgField', 'oldimage', 'oi_minor_mime', "TEXT NOT NULL DEFAULT 'unknown'" ],
136  [ 'addPgField', 'oldimage', 'oi_sha1', "TEXT NOT NULL DEFAULT ''" ],
137  [ 'addPgField', 'page', 'page_content_model', 'TEXT' ],
138  [ 'addPgField', 'page_restrictions', 'pr_id',
139  "INTEGER NOT NULL UNIQUE DEFAULT nextval('page_restrictions_pr_id_seq')" ],
140  [ 'addPgField', 'recentchanges', 'rc_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
141  [ 'addPgField', 'recentchanges', 'rc_log_action', 'TEXT' ],
142  [ 'addPgField', 'recentchanges', 'rc_log_type', 'TEXT' ],
143  [ 'addPgField', 'recentchanges', 'rc_logid', 'INTEGER NOT NULL DEFAULT 0' ],
144  [ 'addPgField', 'recentchanges', 'rc_new_len', 'INTEGER' ],
145  [ 'addPgField', 'recentchanges', 'rc_old_len', 'INTEGER' ],
146  [ 'addPgField', 'recentchanges', 'rc_params', 'TEXT' ],
147  [ 'addPgField', 'redirect', 'rd_interwiki', 'TEXT NULL' ],
148  [ 'addPgField', 'redirect', 'rd_fragment', 'TEXT NULL' ],
149  [ 'addPgField', 'revision', 'rev_deleted', 'SMALLINT NOT NULL DEFAULT 0' ],
150  [ 'addPgField', 'revision', 'rev_len', 'INTEGER' ],
151  [ 'addPgField', 'revision', 'rev_parent_id', 'INTEGER DEFAULT NULL' ],
152  [ 'ifFieldExists', 'revision', 'rev_text_id',
153  'addPgField', 'revision', 'rev_content_model', 'TEXT' ],
154  [ 'ifFieldExists', 'revision', 'rev_text_id',
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  [ 'ifTableNotExists', 'actor',
159  'addPgField', 'logging', 'log_user_text', "TEXT NOT NULL DEFAULT ''" ],
160  [ 'addPgField', 'logging', 'log_page', 'INTEGER' ],
161  [ 'addPgField', 'interwiki', 'iw_api', "TEXT NOT NULL DEFAULT ''" ],
162  [ 'addPgField', 'interwiki', 'iw_wikiid', "TEXT NOT NULL DEFAULT ''" ],
163  [ 'addPgField', 'revision', 'rev_sha1', "TEXT NOT NULL DEFAULT ''" ],
164  [ 'addPgField', 'archive', 'ar_sha1', "TEXT NOT NULL DEFAULT ''" ],
165  [ 'addPgField', 'uploadstash', 'us_chunk_inx', "INTEGER NULL" ],
166  [ 'addPgField', 'job', 'job_timestamp', "TIMESTAMPTZ" ],
167  [ 'addPgField', 'job', 'job_random', "INTEGER NOT NULL DEFAULT 0" ],
168  [ 'addPgField', 'job', 'job_attempts', "INTEGER NOT NULL DEFAULT 0" ],
169  [ 'addPgField', 'job', 'job_token', "TEXT NOT NULL DEFAULT ''" ],
170  [ 'addPgField', 'job', 'job_token_timestamp', "TIMESTAMPTZ" ],
171  [ 'addPgField', 'job', 'job_sha1', "TEXT NOT NULL DEFAULT ''" ],
172  [ 'addPgField', 'archive', 'ar_id',
173  "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('archive_ar_id_seq')" ],
174  [ 'addPgField', 'externallinks', 'el_id',
175  "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('externallinks_el_id_seq')" ],
176  [ 'addPgField', 'uploadstash', 'us_props', "BYTEA" ],
177 
178  # type changes
179  [ 'changeField', 'archive', 'ar_deleted', 'smallint', '' ],
180  [ 'changeField', 'archive', 'ar_minor_edit', 'smallint',
181  'ar_minor_edit::smallint DEFAULT 0' ],
182  [ 'changeField', 'filearchive', 'fa_deleted', 'smallint', '' ],
183  [ 'changeField', 'filearchive', 'fa_height', 'integer', '' ],
184  [ 'changeField', 'filearchive', 'fa_metadata', 'bytea', "decode(fa_metadata,'escape')" ],
185  [ 'changeField', 'filearchive', 'fa_size', 'integer', '' ],
186  [ 'changeField', 'filearchive', 'fa_width', 'integer', '' ],
187  [ 'changeField', 'filearchive', 'fa_storage_group', 'text', '' ],
188  [ 'changeField', 'filearchive', 'fa_storage_key', 'text', '' ],
189  [ 'changeField', 'image', 'img_metadata', 'bytea', "decode(img_metadata,'escape')" ],
190  [ 'changeField', 'image', 'img_size', 'integer', '' ],
191  [ 'changeField', 'image', 'img_width', 'integer', '' ],
192  [ 'changeField', 'image', 'img_height', 'integer', '' ],
193  [ 'changeField', 'interwiki', 'iw_local', 'smallint', 'iw_local::smallint' ],
194  [ 'changeField', 'interwiki', 'iw_trans', 'smallint', 'iw_trans::smallint DEFAULT 0' ],
195  [ 'changeField', 'ipblocks', 'ipb_auto', 'smallint', 'ipb_auto::smallint DEFAULT 0' ],
196  [ 'changeField', 'ipblocks', 'ipb_anon_only', 'smallint',
197  "CASE WHEN ipb_anon_only=' ' THEN 0 ELSE ipb_anon_only::smallint END DEFAULT 0" ],
198  [ 'changeField', 'ipblocks', 'ipb_create_account', 'smallint',
199  "CASE WHEN ipb_create_account=' ' THEN 0 ELSE ipb_create_account::smallint END DEFAULT 1" ],
200  [ 'changeField', 'ipblocks', 'ipb_enable_autoblock', 'smallint',
201  "CASE WHEN ipb_enable_autoblock=' ' THEN 0 ELSE ipb_enable_autoblock::smallint END DEFAULT 1" ],
202  [ 'changeField', 'ipblocks', 'ipb_block_email', 'smallint',
203  "CASE WHEN ipb_block_email=' ' THEN 0 ELSE ipb_block_email::smallint END DEFAULT 0" ],
204  [ 'changeField', 'ipblocks', 'ipb_address', 'text', 'ipb_address::text' ],
205  [ 'changeField', 'ipblocks', 'ipb_deleted', 'smallint', 'ipb_deleted::smallint DEFAULT 0' ],
206  [ 'changeField', 'mwuser', 'user_token', 'text', '' ],
207  [ 'changeField', 'mwuser', 'user_email_token', 'text', '' ],
208  [ 'changeField', 'objectcache', 'keyname', 'text', '' ],
209  [ 'changeField', 'oldimage', 'oi_height', 'integer', '' ],
210  [ 'changeField', 'oldimage', 'oi_metadata', 'bytea', "decode(img_metadata,'escape')" ],
211  [ 'changeField', 'oldimage', 'oi_size', 'integer', '' ],
212  [ 'changeField', 'oldimage', 'oi_width', 'integer', '' ],
213  [ 'changeField', 'page', 'page_is_redirect', 'smallint',
214  'page_is_redirect::smallint DEFAULT 0' ],
215  [ 'changeField', 'page', 'page_is_new', 'smallint', 'page_is_new::smallint DEFAULT 0' ],
216  [ 'changeField', 'querycache', 'qc_value', 'integer', '' ],
217  [ 'changeField', 'querycachetwo', 'qcc_value', 'integer', '' ],
218  [ 'changeField', 'recentchanges', 'rc_bot', 'smallint', 'rc_bot::smallint DEFAULT 0' ],
219  [ 'changeField', 'recentchanges', 'rc_deleted', 'smallint', '' ],
220  [ 'changeField', 'recentchanges', 'rc_minor', 'smallint', 'rc_minor::smallint DEFAULT 0' ],
221  [ 'changeField', 'recentchanges', 'rc_new', 'smallint', 'rc_new::smallint DEFAULT 0' ],
222  [ 'changeField', 'recentchanges', 'rc_type', 'smallint', 'rc_type::smallint DEFAULT 0' ],
223  [ 'changeField', 'recentchanges', 'rc_patrolled', 'smallint',
224  'rc_patrolled::smallint DEFAULT 0' ],
225  [ 'changeField', 'revision', 'rev_deleted', 'smallint', 'rev_deleted::smallint DEFAULT 0' ],
226  [ 'changeField', 'revision', 'rev_minor_edit', 'smallint',
227  'rev_minor_edit::smallint DEFAULT 0' ],
228  [ 'changeField', 'templatelinks', 'tl_namespace', 'smallint', 'tl_namespace::smallint' ],
229  [ 'changeField', 'user_newtalk', 'user_ip', 'text', 'host(user_ip)' ],
230  [ 'changeField', 'uploadstash', 'us_image_bits', 'smallint', '' ],
231 
232  # null changes
233  [ 'changeNullableField', 'oldimage', 'oi_bits', 'NULL' ],
234  [ 'changeNullableField', 'oldimage', 'oi_timestamp', 'NULL' ],
235  [ 'changeNullableField', 'oldimage', 'oi_major_mime', 'NULL' ],
236  [ 'changeNullableField', 'oldimage', 'oi_minor_mime', 'NULL' ],
237  [ 'changeNullableField', 'image', 'img_metadata', 'NOT NULL' ],
238  [ 'changeNullableField', 'filearchive', 'fa_metadata', 'NOT NULL' ],
239  [ 'changeNullableField', 'recentchanges', 'rc_cur_id', 'NULL' ],
240  [ 'changeNullableField', 'recentchanges', 'rc_cur_time', 'NULL' ],
241 
242  [ 'checkOiDeleted' ],
243 
244  # New indexes
245  [ 'ifTableNotExists', 'actor', 'addPgIndex', 'archive', 'archive_user_text', '(ar_user_text)' ],
246  [ 'addPgIndex', 'image', 'img_sha1', '(img_sha1)' ],
247  [ 'addPgIndex', 'ipblocks', 'ipb_parent_block_id', '(ipb_parent_block_id)' ],
248  [ 'addPgIndex', 'oldimage', 'oi_sha1', '(oi_sha1)' ],
249  [ 'addPgIndex', 'page', 'page_mediawiki_title', '(page_title) WHERE page_namespace = 8' ],
250  [ 'addPgIndex', 'pagelinks', 'pagelinks_title', '(pl_title)' ],
251  [ 'addPgIndex', 'page_props', 'pp_propname_page', '(pp_propname, pp_page)' ],
252  [ 'ifFieldExists', 'revision', 'rev_text_id',
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  [ 'ifTableNotExists', 'actor', '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  [ 'ifTableNotExists', 'actor', 'addPgIndex', 'logging', 'logging_user_text_type_time',
270  '(log_user_text, log_type, log_timestamp)' ],
271  [ 'ifTableNotExists', 'actor', 'addPgIndex', 'logging', 'logging_user_text_time',
272  '(log_user_text, log_timestamp)' ],
273 
274  [ 'checkIndex', 'pagelink_unique', [
275  [ 'pl_from', 'int4_ops', 'btree', 0 ],
276  [ 'pl_namespace', 'int2_ops', 'btree', 0 ],
277  [ 'pl_title', 'text_ops', 'btree', 0 ],
278  ],
279  'CREATE UNIQUE INDEX pagelink_unique ON pagelinks (pl_from,pl_namespace,pl_title)' ],
280  [ 'checkIndex', 'cl_sortkey', [
281  [ 'cl_to', 'text_ops', 'btree', 0 ],
282  [ 'cl_sortkey', 'text_ops', 'btree', 0 ],
283  [ 'cl_from', 'int4_ops', 'btree', 0 ],
284  ],
285  'CREATE INDEX cl_sortkey ON "categorylinks" ' .
286  'USING "btree" ("cl_to", "cl_sortkey", "cl_from")' ],
287  [ 'checkIndex', 'iwl_prefix_title_from', [
288  [ 'iwl_prefix', 'text_ops', 'btree', 0 ],
289  [ 'iwl_title', 'text_ops', 'btree', 0 ],
290  [ 'iwl_from', 'int4_ops', 'btree', 0 ],
291  ],
292  'CREATE INDEX iwl_prefix_title_from ON "iwlinks" ' .
293  'USING "btree" ("iwl_prefix", "iwl_title", "iwl_from")' ],
294  [ 'checkIndex', 'logging_times', [
295  [ 'log_timestamp', 'timestamptz_ops', 'btree', 0 ],
296  ],
297  'CREATE INDEX "logging_times" ON "logging" USING "btree" ("log_timestamp")' ],
298  [ 'dropPgIndex', 'oldimage', 'oi_name' ],
299  [ 'checkIndex', 'oi_name_archive_name', [
300  [ 'oi_name', 'text_ops', 'btree', 0 ],
301  [ 'oi_archive_name', 'text_ops', 'btree', 0 ],
302  ],
303  'CREATE INDEX "oi_name_archive_name" ON "oldimage" ' .
304  'USING "btree" ("oi_name", "oi_archive_name")' ],
305  [ 'checkIndex', 'oi_name_timestamp', [
306  [ 'oi_name', 'text_ops', 'btree', 0 ],
307  [ 'oi_timestamp', 'timestamptz_ops', 'btree', 0 ],
308  ],
309  'CREATE INDEX "oi_name_timestamp" ON "oldimage" ' .
310  'USING "btree" ("oi_name", "oi_timestamp")' ],
311  [ 'checkIndex', 'page_main_title', [
312  [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
313  ],
314  'CREATE INDEX "page_main_title" ON "page" ' .
315  'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 0)' ],
316  [ 'checkIndex', 'page_mediawiki_title', [
317  [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
318  ],
319  'CREATE INDEX "page_mediawiki_title" ON "page" ' .
320  'USING "btree" ("page_title" "text_pattern_ops") WHERE ("page_namespace" = 8)' ],
321  [ 'checkIndex', 'page_project_title', [
322  [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
323  ],
324  'CREATE INDEX "page_project_title" ON "page" ' .
325  'USING "btree" ("page_title" "text_pattern_ops") ' .
326  'WHERE ("page_namespace" = 4)' ],
327  [ 'checkIndex', 'page_talk_title', [
328  [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
329  ],
330  'CREATE INDEX "page_talk_title" ON "page" ' .
331  'USING "btree" ("page_title" "text_pattern_ops") ' .
332  'WHERE ("page_namespace" = 1)' ],
333  [ 'checkIndex', 'page_user_title', [
334  [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
335  ],
336  'CREATE INDEX "page_user_title" ON "page" ' .
337  'USING "btree" ("page_title" "text_pattern_ops") WHERE ' .
338  '("page_namespace" = 2)' ],
339  [ 'checkIndex', 'page_utalk_title', [
340  [ 'page_title', 'text_pattern_ops', 'btree', 0 ],
341  ],
342  'CREATE INDEX "page_utalk_title" ON "page" ' .
343  'USING "btree" ("page_title" "text_pattern_ops") ' .
344  'WHERE ("page_namespace" = 3)' ],
345  [ 'checkIndex', 'ts2_page_text', [
346  [ 'textvector', 'tsvector_ops', 'gist', 0 ],
347  ],
348  'CREATE INDEX "ts2_page_text" ON "pagecontent" USING "gist" ("textvector")' ],
349  [ 'checkIndex', 'ts2_page_title', [
350  [ 'titlevector', 'tsvector_ops', 'gist', 0 ],
351  ],
352  'CREATE INDEX "ts2_page_title" ON "page" USING "gist" ("titlevector")' ],
353 
354  [ 'checkOiNameConstraint' ],
355  [ 'checkPageDeletedTrigger' ],
356  [ 'checkRevUserFkey' ],
357  [ 'dropPgIndex', 'ipblocks', 'ipb_address' ],
358  [ 'checkIndex', 'ipb_address_unique', [
359  [ 'ipb_address', 'text_ops', 'btree', 0 ],
360  [ 'ipb_user', 'int4_ops', 'btree', 0 ],
361  [ 'ipb_auto', 'int2_ops', 'btree', 0 ],
362  [ 'ipb_anon_only', 'int2_ops', 'btree', 0 ],
363  ],
364  'CREATE UNIQUE INDEX ipb_address_unique ' .
365  'ON ipblocks (ipb_address,ipb_user,ipb_auto,ipb_anon_only)' ],
366 
367  [ 'checkIwlPrefix' ],
368 
369  # All FK columns should be deferred
370  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'archive', 'ar_user',
371  'mwuser(user_id) ON DELETE SET NULL' ],
372  [ 'changeFkeyDeferrable', 'categorylinks', 'cl_from', 'page(page_id) ON DELETE CASCADE' ],
373  [ 'changeFkeyDeferrable', 'externallinks', 'el_from', 'page(page_id) ON DELETE CASCADE' ],
374  [ 'changeFkeyDeferrable', 'filearchive', 'fa_deleted_user',
375  'mwuser(user_id) ON DELETE SET NULL' ],
376  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'filearchive', 'fa_user',
377  'mwuser(user_id) ON DELETE SET NULL' ],
378  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'image', 'img_user',
379  'mwuser(user_id) ON DELETE SET NULL' ],
380  [ 'changeFkeyDeferrable', 'imagelinks', 'il_from', 'page(page_id) ON DELETE CASCADE' ],
381  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'ipblocks', 'ipb_by',
382  'mwuser(user_id) ON DELETE CASCADE' ],
383  [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_user', 'mwuser(user_id) ON DELETE SET NULL' ],
384  [ 'changeFkeyDeferrable', 'ipblocks', 'ipb_parent_block_id',
385  'ipblocks(ipb_id) ON DELETE SET NULL' ],
386  [ 'changeFkeyDeferrable', 'langlinks', 'll_from', 'page(page_id) ON DELETE CASCADE' ],
387  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'logging', 'log_user',
388  'mwuser(user_id) ON DELETE SET NULL' ],
389  [ 'changeFkeyDeferrable', 'oldimage', 'oi_name',
390  'image(img_name) ON DELETE CASCADE ON UPDATE CASCADE' ],
391  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'oldimage', 'oi_user',
392  'mwuser(user_id) ON DELETE SET NULL' ],
393  [ 'changeFkeyDeferrable', 'pagelinks', 'pl_from', 'page(page_id) ON DELETE CASCADE' ],
394  [ 'changeFkeyDeferrable', 'page_props', 'pp_page', 'page (page_id) ON DELETE CASCADE' ],
395  [ 'changeFkeyDeferrable', 'page_restrictions', 'pr_page',
396  'page(page_id) ON DELETE CASCADE' ],
397  [ 'changeFkeyDeferrable', 'protected_titles', 'pt_user',
398  'mwuser(user_id) ON DELETE SET NULL' ],
399  [ 'ifTableNotExists', 'actor', 'changeFkeyDeferrable', 'recentchanges', 'rc_user',
400  'mwuser(user_id) ON DELETE SET NULL' ],
401  [ 'changeFkeyDeferrable', 'redirect', 'rd_from', 'page(page_id) ON DELETE CASCADE' ],
402  [ 'changeFkeyDeferrable', 'revision', 'rev_page', 'page (page_id) ON DELETE CASCADE' ],
403  [ 'ifFieldExists', 'revision', 'rev_text_id',
404  'changeFkeyDeferrable', 'revision', 'rev_user', 'mwuser(user_id) ON DELETE RESTRICT' ],
405  [ 'changeFkeyDeferrable', 'templatelinks', 'tl_from', 'page(page_id) ON DELETE CASCADE' ],
406  [ 'changeFkeyDeferrable', 'user_groups', 'ug_user', 'mwuser(user_id) ON DELETE CASCADE' ],
407  [ 'changeFkeyDeferrable', 'user_newtalk', 'user_id', 'mwuser(user_id) ON DELETE CASCADE' ],
408  [ 'changeFkeyDeferrable', 'user_properties', 'up_user',
409  'mwuser(user_id) ON DELETE CASCADE' ],
410  [ 'changeFkeyDeferrable', 'watchlist', 'wl_user', 'mwuser(user_id) ON DELETE CASCADE' ],
411 
412  # r81574
413  [ 'addInterwikiType' ],
414  # end
415  [ 'tsearchFixes' ],
416 
417  // 1.23
418  [ 'addPgField', 'recentchanges', 'rc_source', "TEXT NOT NULL DEFAULT ''" ],
419  [ 'addPgField', 'page', 'page_links_updated', "TIMESTAMPTZ NULL" ],
420  [ 'addPgField', 'mwuser', 'user_password_expires', 'TIMESTAMPTZ NULL' ],
421  [ 'changeFieldPurgeTable', 'l10n_cache', 'lc_value', 'bytea',
422  "replace(lc_value,'\','\\\\')::bytea" ],
423  // 1.23.9
424  [ 'rebuildTextSearch' ],
425 
426  // 1.24
427  [ 'addPgField', 'page_props', 'pp_sortkey', 'float NULL' ],
428  [ 'addPgIndex', 'page_props', 'pp_propname_sortkey_page',
429  '( pp_propname, pp_sortkey, pp_page ) WHERE ( pp_sortkey IS NOT NULL )' ],
430  [ 'addPgField', 'page', 'page_lang', 'TEXT default NULL' ],
431  [ 'addPgField', 'pagelinks', 'pl_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
432  [ 'addPgField', 'templatelinks', 'tl_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
433  [ 'addPgField', 'imagelinks', 'il_from_namespace', 'INTEGER NOT NULL DEFAULT 0' ],
434 
435  // 1.25
436  [ 'dropTable', 'hitcounter' ],
437  [ 'dropField', 'site_stats', 'ss_total_views', 'patch-drop-ss_total_views.sql' ],
438  [ 'dropField', 'page', 'page_counter', 'patch-drop-page_counter.sql' ],
439  [ 'dropFkey', 'recentchanges', 'rc_cur_id' ],
440 
441  // 1.27
442  [ 'dropTable', 'msg_resource_links' ],
443  [ 'dropTable', 'msg_resource' ],
444  [
445  'addPgField', 'watchlist', 'wl_id',
446  "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('watchlist_wl_id_seq')"
447  ],
448 
449  // 1.28
450  [ 'addPgIndex', 'recentchanges', 'rc_name_type_patrolled_timestamp',
451  '( rc_namespace, rc_type, rc_patrolled, rc_timestamp )' ],
452  [ 'addPgField', 'change_tag', 'ct_id',
453  "INTEGER NOT NULL PRIMARY KEY DEFAULT nextval('change_tag_ct_id_seq')" ],
454 
455  // 1.29
456  [ 'addPgField', 'externallinks', 'el_index_60', "BYTEA NOT NULL DEFAULT ''" ],
457  [ 'addPgIndex', 'externallinks', 'el_index_60', '( el_index_60, el_id )' ],
458  [ 'addPgIndex', 'externallinks', 'el_from_index_60', '( el_from, el_index_60, el_id )' ],
459  [ 'addPgField', 'user_groups', 'ug_expiry', "TIMESTAMPTZ NULL" ],
460  [ 'addPgIndex', 'user_groups', 'user_groups_expiry', '( ug_expiry )' ],
461 
462  // 1.30
463  [ 'addPgEnumValue', 'media_type', '3D' ],
464  [ 'setDefault', 'revision', 'rev_comment', '' ],
465  [ 'changeNullableField', 'revision', 'rev_comment', 'NOT NULL', true ],
466  [ 'setDefault', 'archive', 'ar_comment', '' ],
467  [ 'changeNullableField', 'archive', 'ar_comment', 'NOT NULL', true ],
468  [ 'addPgField', 'archive', 'ar_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
469  [ 'setDefault', 'ipblocks', 'ipb_reason', '' ],
470  [ 'addPgField', 'ipblocks', 'ipb_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
471  [ 'setDefault', 'image', 'img_description', '' ],
472  [ 'setDefault', 'oldimage', 'oi_description', '' ],
473  [ 'changeNullableField', 'oldimage', 'oi_description', 'NOT NULL', true ],
474  [ 'addPgField', 'oldimage', 'oi_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
475  [ 'setDefault', 'filearchive', 'fa_deleted_reason', '' ],
476  [ 'changeNullableField', 'filearchive', 'fa_deleted_reason', 'NOT NULL', true ],
477  [ 'addPgField', 'filearchive', 'fa_deleted_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
478  [ 'setDefault', 'filearchive', 'fa_description', '' ],
479  [ 'addPgField', 'filearchive', 'fa_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
480  [ 'setDefault', 'recentchanges', 'rc_comment', '' ],
481  [ 'changeNullableField', 'recentchanges', 'rc_comment', 'NOT NULL', true ],
482  [ 'addPgField', 'recentchanges', 'rc_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
483  [ 'setDefault', 'logging', 'log_comment', '' ],
484  [ 'changeNullableField', 'logging', 'log_comment', 'NOT NULL', true ],
485  [ 'addPgField', 'logging', 'log_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
486  [ 'setDefault', 'protected_titles', 'pt_reason', '' ],
487  [ 'changeNullableField', 'protected_titles', 'pt_reason', 'NOT NULL', true ],
488  [ 'addPgField', 'protected_titles', 'pt_reason_id', 'INTEGER NOT NULL DEFAULT 0' ],
489  [ 'addTable', 'comment', 'patch-comment-table.sql' ],
490  [ 'addTable', 'revision_comment_temp', 'patch-revision_comment_temp-table.sql' ],
491  // image_comment_temp is no longer needed when upgrading to MW 1.31 or newer,
492  // as it is dropped later in the update process as part of 'migrateImageCommentTemp'.
493  // File kept on disk and the updater entry here for historical purposes.
494  // [ 'addTable', 'image_comment_temp', 'patch-image_comment_temp-table.sql' ],
495 
496  // This field was added in 1.31, but is put here so it can be used by 'migrateComments'
497  [ 'addPgField', 'image', 'img_description_id', 'INTEGER NOT NULL DEFAULT 0' ],
498 
499  [ 'migrateComments' ],
500  [ 'addIndex', 'site_stats', 'site_stats_pkey', 'patch-site_stats-pk.sql' ],
501  [ 'addTable', 'ip_changes', 'patch-ip_changes.sql' ],
502 
503  // 1.31
504  [ 'addTable', 'slots', 'patch-slots-table.sql' ],
505  [ 'dropPgIndex', 'slots', 'slot_role_inherited' ],
506  [ 'dropPgField', 'slots', 'slot_inherited' ],
507  [ 'addPgField', 'slots', 'slot_origin', 'INTEGER NOT NULL' ],
508  [
509  'addPgIndex',
510  'slots',
511  'slot_revision_origin_role',
512  '( slot_revision_id, slot_origin, slot_role_id )',
513  ],
514  [ 'addTable', 'content', 'patch-content-table.sql' ],
515  [ 'addTable', 'content_models', 'patch-content_models-table.sql' ],
516  [ 'addTable', 'slot_roles', 'patch-slot_roles-table.sql' ],
517  [ 'migrateArchiveText' ],
518  [ 'addTable', 'actor', 'patch-actor-table.sql' ],
519  [ 'addTable', 'revision_actor_temp', 'patch-revision_actor_temp-table.sql' ],
520  [ 'setDefault', 'revision', 'rev_user', 0 ],
521  [ 'setDefault', 'revision', 'rev_user_text', '' ],
522  [ 'setDefault', 'archive', 'ar_user', 0 ],
523  [ 'changeNullableField', 'archive', 'ar_user', 'NOT NULL', true ],
524  [ 'setDefault', 'archive', 'ar_user_text', '' ],
525  [ 'addPgField', 'archive', 'ar_actor', 'INTEGER NOT NULL DEFAULT 0' ],
526  [ 'addPgIndex', 'archive', 'archive_actor', '( ar_actor )' ],
527  [ 'setDefault', 'ipblocks', 'ipb_by', 0 ],
528  [ 'addPgField', 'ipblocks', 'ipb_by_actor', 'INTEGER NOT NULL DEFAULT 0' ],
529  [ 'setDefault', 'image', 'img_user', 0 ],
530  [ 'changeNullableField', 'image', 'img_user', 'NOT NULL', true ],
531  [ 'setDefault', 'image', 'img_user_text', '' ],
532  [ 'addPgField', 'image', 'img_actor', 'INTEGER NOT NULL DEFAULT 0' ],
533  [ 'setDefault', 'oldimage', 'oi_user', 0 ],
534  [ 'changeNullableField', 'oldimage', 'oi_user', 'NOT NULL', true ],
535  [ 'setDefault', 'oldimage', 'oi_user_text', '' ],
536  [ 'addPgField', 'oldimage', 'oi_actor', 'INTEGER NOT NULL DEFAULT 0' ],
537  [ 'setDefault', 'filearchive', 'fa_user', 0 ],
538  [ 'changeNullableField', 'filearchive', 'fa_user', 'NOT NULL', true ],
539  [ 'setDefault', 'filearchive', 'fa_user_text', '' ],
540  [ 'addPgField', 'filearchive', 'fa_actor', 'INTEGER NOT NULL DEFAULT 0' ],
541  [ 'setDefault', 'recentchanges', 'rc_user', 0 ],
542  [ 'changeNullableField', 'recentchanges', 'rc_user', 'NOT NULL', true ],
543  [ 'setDefault', 'recentchanges', 'rc_user_text', '' ],
544  [ 'addPgField', 'recentchanges', 'rc_actor', 'INTEGER NOT NULL DEFAULT 0' ],
545  [ 'setDefault', 'logging', 'log_user', 0 ],
546  [ 'changeNullableField', 'logging', 'log_user', 'NOT NULL', true ],
547  [ 'addPgField', 'logging', 'log_actor', 'INTEGER NOT NULL DEFAULT 0' ],
548  [ 'addPgIndex', 'logging', 'logging_actor_time_backwards', '( log_timestamp, log_actor )' ],
549  [ 'addPgIndex', 'logging', 'logging_actor_type_time', '( log_actor, log_type, log_timestamp )' ],
550  [ 'addPgIndex', 'logging', 'logging_actor_time', '( log_actor, log_timestamp )' ],
551  [ 'migrateActors' ],
552  [ 'modifyTable', 'site_stats', 'patch-site_stats-modify.sql' ],
553  [ 'populateArchiveRevId' ],
554  [ 'dropPgIndex', 'recentchanges', 'rc_namespace_title' ],
555  [
556  'addPgIndex',
557  'recentchanges',
558  'rc_namespace_title_timestamp', '( rc_namespace, rc_title, rc_timestamp )'
559  ],
560  [ 'setSequenceOwner', 'mwuser', 'user_id', 'user_user_id_seq' ],
561  [ 'setSequenceOwner', 'actor', 'actor_id', 'actor_actor_id_seq' ],
562  [ 'setSequenceOwner', 'page', 'page_id', 'page_page_id_seq' ],
563  [ 'setSequenceOwner', 'revision', 'rev_id', 'revision_rev_id_seq' ],
564  [ 'setSequenceOwner', 'ip_changes', 'ipc_rev_id', 'ip_changes_ipc_rev_id_seq' ],
565  [ 'setSequenceOwner', 'pagecontent', 'old_id', 'text_old_id_seq' ],
566  [ 'setSequenceOwner', 'comment', 'comment_id', 'comment_comment_id_seq' ],
567  [ 'setSequenceOwner', 'page_restrictions', 'pr_id', 'page_restrictions_pr_id_seq' ],
568  [ 'setSequenceOwner', 'archive', 'ar_id', 'archive_ar_id_seq' ],
569  [ 'setSequenceOwner', 'content', 'content_id', 'content_content_id_seq' ],
570  [ 'setSequenceOwner', 'slot_roles', 'role_id', 'slot_roles_role_id_seq' ],
571  [ 'setSequenceOwner', 'content_models', 'model_id', 'content_models_model_id_seq' ],
572  [ 'setSequenceOwner', 'externallinks', 'el_id', 'externallinks_el_id_seq' ],
573  [ 'setSequenceOwner', 'ipblocks', 'ipb_id', 'ipblocks_ipb_id_seq' ],
574  [ 'setSequenceOwner', 'filearchive', 'fa_id', 'filearchive_fa_id_seq' ],
575  [ 'setSequenceOwner', 'uploadstash', 'us_id', 'uploadstash_us_id_seq' ],
576  [ 'setSequenceOwner', 'recentchanges', 'rc_id', 'recentchanges_rc_id_seq' ],
577  [ 'setSequenceOwner', 'watchlist', 'wl_id', 'watchlist_wl_id_seq' ],
578  [ 'setSequenceOwner', 'logging', 'log_id', 'logging_log_id_seq' ],
579  [ 'setSequenceOwner', 'job', 'job_id', 'job_job_id_seq' ],
580  [ 'setSequenceOwner', 'category', 'cat_id', 'category_cat_id_seq' ],
581  [ 'setSequenceOwner', 'change_tag', 'ct_id', 'change_tag_ct_id_seq' ],
582  [ 'setSequenceOwner', 'sites', 'site_id', 'sites_site_id_seq' ],
583 
584  // 1.32
585  [ 'addTable', 'change_tag_def', 'patch-change_tag_def.sql' ],
586  [ 'populateExternallinksIndex60' ],
587  [ 'dropDefault', 'externallinks', 'el_index_60' ],
588  [ 'runMaintenance', DeduplicateArchiveRevId::class, 'maintenance/deduplicateArchiveRevId.php' ],
589  [ 'addPgField', 'change_tag', 'ct_tag_id', 'INTEGER NULL' ],
590  [
591  'addPgIndex',
592  'change_tag',
593  'change_tag_tag_id_id',
594  '( ct_tag_id, ct_rc_id, ct_rev_id, ct_log_id )'
595  ],
596  [ 'addPgIndex', 'archive', 'ar_revid_uniq', '(ar_rev_id)', 'unique' ],
597  [ 'dropPgIndex', 'archive', 'ar_revid' ], // Probably doesn't exist, but do it anyway.
598  [ 'populateContentTables' ],
599  [ 'addPgIndex', 'logging', 'log_type_action', '( log_type, log_action, log_timestamp )' ],
600  [ 'dropPgIndex', 'page_props', 'page_props_propname' ],
601  [ 'addIndex', 'interwiki', 'interwiki_pkey', 'patch-interwiki-pk.sql' ],
602  [ 'addIndex', 'protected_titles', 'protected_titles_pkey', 'patch-protected_titles-pk.sql' ],
603  [ 'addIndex', 'site_identifiers', 'site_identifiers_pkey', 'patch-site_identifiers-pk.sql' ],
604  [ 'addPgIndex', 'recentchanges', 'rc_this_oldid', '(rc_this_oldid)' ],
605  [ 'dropTable', 'transcache' ],
606  [ 'runMaintenance', PopulateChangeTagDef::class, 'maintenance/populateChangeTagDef.php' ],
607  [ 'addIndex', 'change_tag', 'change_tag_rc_tag_id',
608  'patch-change_tag-change_tag_rc_tag_id.sql' ],
609  [ 'addPgField', 'ipblocks', 'ipb_sitewide', 'SMALLINT NOT NULL DEFAULT 1' ],
610  [ 'addTable', 'ipblocks_restrictions', 'patch-ipblocks_restrictions-table.sql' ],
611  [ 'migrateImageCommentTemp' ],
612  [ 'dropPgField', 'category', 'cat_hidden' ],
613  [ 'dropPgField', 'site_stats', 'ss_admins' ],
614  [ 'dropPgField', 'recentchanges', 'rc_cur_time' ],
615 
616  // 1.33
617  [ 'dropField', 'change_tag', 'ct_tag', 'patch-drop-ct_tag.sql' ],
618  [ 'dropTable', 'valid_tag' ],
619  [ 'dropTable', 'tag_summary' ],
620  [ 'dropPgField', 'archive', 'ar_comment' ],
621  [ 'dropDefault', 'archive', 'ar_comment_id' ],
622  [ 'dropPgField', 'ipblocks', 'ipb_reason' ],
623  [ 'dropDefault', 'ipblocks', 'ipb_reason_id' ],
624  [ 'dropPgField', 'image', 'img_description' ],
625  [ 'dropDefault', 'image', 'img_description_id' ],
626  [ 'dropPgField', 'oldimage', 'oi_description' ],
627  [ 'dropDefault', 'oldimage', 'oi_description_id' ],
628  [ 'dropPgField', 'filearchive', 'fa_deleted_reason' ],
629  [ 'dropDefault', 'filearchive', 'fa_deleted_reason_id' ],
630  [ 'dropPgField', 'filearchive', 'fa_description' ],
631  [ 'dropDefault', 'filearchive', 'fa_description_id' ],
632  [ 'dropPgField', 'recentchanges', 'rc_comment' ],
633  [ 'dropDefault', 'recentchanges', 'rc_comment_id' ],
634  [ 'dropPgField', 'logging', 'log_comment' ],
635  [ 'dropDefault', 'logging', 'log_comment_id' ],
636  [ 'dropPgField', 'protected_titles', 'pt_reason' ],
637  [ 'dropDefault', 'protected_titles', 'pt_reason_id' ],
638 
639  // 1.34
640  [ 'dropPgIndex', 'archive', 'archive_user_text' ],
641  [ 'dropPgField', 'archive', 'ar_user' ],
642  [ 'dropPgField', 'archive', 'ar_user_text' ],
643  [ 'dropDefault', 'archive', 'ar_actor' ],
644  [ 'dropPgField', 'ipblocks', 'ipb_by' ],
645  [ 'dropPgField', 'ipblocks', 'ipb_by_text' ],
646  [ 'dropDefault', 'ipblocks', 'ipb_by_actor' ],
647  [ 'dropPgField', 'image', 'img_user' ],
648  [ 'dropPgField', 'image', 'img_user_text' ],
649  [ 'dropDefault', 'image', 'img_actor' ],
650  [ 'dropPgField', 'oldimage', 'oi_user' ],
651  [ 'dropPgField', 'oldimage', 'oi_user_text' ],
652  [ 'dropDefault', 'oldimage', 'oi_actor' ],
653  [ 'dropPgField', 'filearchive', 'fa_user' ],
654  [ 'dropPgField', 'filearchive', 'fa_user_text' ],
655  [ 'dropDefault', 'filearchive', 'fa_actor' ],
656  [ 'dropPgField', 'recentchanges', 'rc_user' ],
657  [ 'dropPgField', 'recentchanges', 'rc_user_text' ],
658  [ 'dropDefault', 'recentchanges', 'rc_actor' ],
659  [ 'dropPgIndex', 'logging', 'logging_user_time' ],
660  [ 'dropPgIndex', 'logging', 'logging_user_type_time' ],
661  [ 'dropPgIndex', 'logging', 'logging_user_text_type_time' ],
662  [ 'dropPgIndex', 'logging', 'logging_user_text_time' ],
663  [ 'dropPgField', 'logging', 'log_user' ],
664  [ 'dropPgField', 'logging', 'log_user_text' ],
665  [ 'dropDefault', 'logging', 'log_actor' ],
666 
667  // 1.35
668  [ 'addIndex', 'redirect', 'redirect_pkey', 'patch-redirect-pk.sql' ],
669  [ 'addTable', 'watchlist_expiry', 'patch-watchlist_expiry.sql' ],
670  [ 'setSequenceOwner', 'watchlist_expiry', 'we_item', 'watchlist_expiry_we_item_seq' ],
671  [ 'setDefault', 'user_newtalk', 'user_ip', '' ],
672  [ 'changeNullableField', 'user_newtalk', 'user_ip', 'NOT NULL', true ],
673  [ 'setDefault', 'user_newtalk', 'user_id', 0 ],
674  [ 'renameIndex', 'revision_actor_temp', 'rev_actor_timestamp', 'revactor_actor_timestamp' ],
675  [ 'renameIndex', 'revision_actor_temp',
676  'rev_page_actor_timestamp', 'revactor_page_actor_timestamp' ],
677  [ 'dropPgIndex', 'revision', 'rev_user_idx' ],
678  [ 'dropPgIndex', 'revision', 'rev_user_text_idx' ],
679  [ 'dropPgIndex', 'revision', 'rev_text_id_idx' ],
680  [ 'dropPgField', 'revision', 'rev_user' ],
681  [ 'dropPgField', 'revision', 'rev_user_text' ],
682  [ 'dropPgField', 'revision', 'rev_comment' ],
683  [ 'dropPgField', 'revision', 'rev_text_id' ],
684  [ 'dropPgField', 'revision', 'rev_content_model' ],
685  [ 'dropPgField', 'revision', 'rev_content_format' ],
686  [ 'addPgField', 'revision', 'rev_comment_id', 'INTEGER NOT NULL DEFAULT 0' ],
687  [ 'addPgField', 'revision', 'rev_actor', 'INTEGER NOT NULL DEFAULT 0' ],
688  [ 'addPgIndex', 'revision', 'rev_actor_timestamp', '(rev_actor,rev_timestamp)' ],
689  [ 'addPgIndex', 'revision', 'rev_page_actor_timestamp', '(rev_page,rev_actor,rev_timestamp)' ],
690  [ 'dropPgField', 'archive', 'ar_text_id' ],
691  [ 'dropPgField', 'archive', 'ar_content_model' ],
692  [ 'dropPgField', 'archive', 'ar_content_format' ],
693  ];
694  }
695 
696  protected function getOldGlobalUpdates() {
697  global $wgExtNewTables, $wgExtPGNewFields, $wgExtPGAlteredFields, $wgExtNewIndexes;
698 
699  $updates = [];
700 
701  # Add missing extension tables
702  foreach ( $wgExtNewTables as $tableRecord ) {
703  $updates[] = [
704  'addTable', $tableRecord[0], $tableRecord[1], true
705  ];
706  }
707 
708  # Add missing extension fields
709  foreach ( $wgExtPGNewFields as $fieldRecord ) {
710  $updates[] = [
711  'addPgField', $fieldRecord[0], $fieldRecord[1],
712  $fieldRecord[2]
713  ];
714  }
715 
716  # Change altered columns
717  foreach ( $wgExtPGAlteredFields as $fieldRecord ) {
718  $updates[] = [
719  'changeField', $fieldRecord[0], $fieldRecord[1],
720  $fieldRecord[2]
721  ];
722  }
723 
724  # Add missing extension indexes
725  foreach ( $wgExtNewIndexes as $fieldRecord ) {
726  $updates[] = [
727  'addPgExtIndex', $fieldRecord[0], $fieldRecord[1],
728  $fieldRecord[2]
729  ];
730  }
731 
732  return $updates;
733  }
734 
735  protected function describeTable( $table ) {
736  $q = <<<END
737 SELECT attname, attnum FROM pg_namespace, pg_class, pg_attribute
738  WHERE pg_class.relnamespace = pg_namespace.oid
739  AND attrelid=pg_class.oid AND attnum > 0
740  AND relname=%s AND nspname=%s
741 END;
742  $res = $this->db->query( sprintf( $q,
743  $this->db->addQuotes( $table ),
744  $this->db->addQuotes( $this->db->getCoreSchema() ) ) );
745  if ( !$res ) {
746  return null;
747  }
748 
749  $cols = [];
750  foreach ( $res as $r ) {
751  $cols[] = [
752  "name" => $r[0],
753  "ord" => $r[1],
754  ];
755  }
756 
757  return $cols;
758  }
759 
760  protected function describeIndex( $idx ) {
761  // first fetch the key (which is a list of columns ords) and
762  // the table the index applies to (an oid)
763  $q = <<<END
764 SELECT indkey, indrelid FROM pg_namespace, pg_class, pg_index
765  WHERE nspname=%s
766  AND pg_class.relnamespace = pg_namespace.oid
767  AND relname=%s
768  AND indexrelid=pg_class.oid
769 END;
770  $res = $this->db->query(
771  sprintf(
772  $q,
773  $this->db->addQuotes( $this->db->getCoreSchema() ),
774  $this->db->addQuotes( $idx )
775  )
776  );
777  if ( !$res ) {
778  return null;
779  }
780  $r = $this->db->fetchRow( $res );
781  if ( !$r ) {
782  return null;
783  }
784 
785  $indkey = $r[0];
786  $relid = intval( $r[1] );
787  $indkeys = explode( ' ', $indkey );
788 
789  $colnames = [];
790  foreach ( $indkeys as $rid ) {
791  $query = <<<END
792 SELECT attname FROM pg_class, pg_attribute
793  WHERE attrelid=$relid
794  AND attnum=%d
795  AND attrelid=pg_class.oid
796 END;
797  $r2 = $this->db->query( sprintf( $query, $rid ) );
798  if ( !$r2 ) {
799  return null;
800  }
801  $row2 = $this->db->fetchRow( $r2 );
802  if ( !$row2 ) {
803  return null;
804  }
805  $colnames[] = $row2[0];
806  }
807 
808  return $colnames;
809  }
810 
811  protected function fkeyDeltype( $fkey ) {
812  $q = <<<END
813 SELECT confdeltype FROM pg_constraint, pg_namespace
814  WHERE connamespace=pg_namespace.oid
815  AND nspname=%s
816  AND conname=%s;
817 END;
818  $r = $this->db->query(
819  sprintf(
820  $q,
821  $this->db->addQuotes( $this->db->getCoreSchema() ),
822  $this->db->addQuotes( $fkey )
823  )
824  );
825  $row = $this->db->fetchRow( $r );
826  if ( !$row ) {
827  return null;
828  }
829 
830  return $row[0];
831  }
832 
833  protected function ruleDef( $table, $rule ) {
834  $q = <<<END
835 SELECT definition FROM pg_rules
836  WHERE schemaname = %s
837  AND tablename = %s
838  AND rulename = %s
839 END;
840  $r = $this->db->query(
841  sprintf(
842  $q,
843  $this->db->addQuotes( $this->db->getCoreSchema() ),
844  $this->db->addQuotes( $table ),
845  $this->db->addQuotes( $rule )
846  )
847  );
848  $row = $this->db->fetchRow( $r );
849  if ( !$row ) {
850  return null;
851  }
852  $d = $row[0];
853 
854  return $d;
855  }
856 
857  protected function addSequence( $table, $pkey, $ns ) {
858  if ( !$this->db->sequenceExists( $ns ) ) {
859  $this->output( "Creating sequence $ns\n" );
860  if ( $pkey !== false ) {
861  $this->db->query( "CREATE SEQUENCE $ns OWNED BY $table.$pkey" );
862  $this->setDefault( $table, $pkey, '"nextval"(\'"' . $ns . '"\'::"regclass")' );
863  } else {
864  $this->db->query( "CREATE SEQUENCE $ns" );
865  }
866  }
867  }
868 
869  protected function dropSequence( $table, $ns ) {
870  if ( $this->db->sequenceExists( $ns ) ) {
871  $this->output( "Dropping sequence $ns\n" );
872  $this->db->query( "DROP SEQUENCE $ns CASCADE" );
873  }
874  }
875 
876  protected function renameSequence( $old, $new ) {
877  if ( $this->db->sequenceExists( $new ) ) {
878  $this->output( "...sequence $new already exists.\n" );
879 
880  return;
881  }
882  if ( $this->db->sequenceExists( $old ) ) {
883  $this->output( "Renaming sequence $old to $new\n" );
884  $this->db->query( "ALTER SEQUENCE $old RENAME TO $new" );
885  }
886  }
887 
888  protected function setSequenceOwner( $table, $pkey, $seq ) {
889  if ( $this->db->sequenceExists( $seq ) ) {
890  $this->output( "Setting sequence $seq owner to $table.$pkey\n" );
891  $this->db->query( "ALTER SEQUENCE $seq OWNED BY $table.$pkey" );
892  }
893  }
894 
895  protected function renameTable( $old, $new, $patch = false ) {
896  if ( $this->db->tableExists( $old ) ) {
897  $this->output( "Renaming table $old to $new\n" );
898  $old = $this->db->realTableName( $old, "quoted" );
899  $new = $this->db->realTableName( $new, "quoted" );
900  $this->db->query( "ALTER TABLE $old RENAME TO $new" );
901  if ( $patch !== false ) {
902  $this->applyPatch( $patch );
903  }
904  }
905  }
906 
907  protected function renameIndex(
908  $table, $old, $new, $skipBothIndexExistWarning = false, $a = false, $b = false
909  ) {
910  // First requirement: the table must exist
911  if ( !$this->db->tableExists( $table, __METHOD__ ) ) {
912  $this->output( "...skipping: '$table' table doesn't exist yet.\n" );
913 
914  return true;
915  }
916 
917  // Second requirement: the new index must be missing
918  if ( $this->db->indexExists( $table, $new, __METHOD__ ) ) {
919  $this->output( "...index $new already set on $table table.\n" );
920  if ( !$skipBothIndexExistWarning
921  && $this->db->indexExists( $table, $old, __METHOD__ )
922  ) {
923  $this->output( "...WARNING: $old still exists, despite it has been " .
924  "renamed into $new (which also exists).\n" .
925  " $old should be manually removed if not needed anymore.\n" );
926  }
927 
928  return true;
929  }
930 
931  // Third requirement: the old index must exist
932  if ( !$this->db->indexExists( $table, $old, __METHOD__ ) ) {
933  $this->output( "...skipping: index $old doesn't exist.\n" );
934 
935  return true;
936  }
937 
938  $this->db->query( "ALTER INDEX $old RENAME TO $new" );
939  return true;
940  }
941 
942  protected function dropPgField( $table, $field ) {
943  $fi = $this->db->fieldInfo( $table, $field );
944  if ( $fi === null ) {
945  $this->output( "...$table table does not contain $field field.\n" );
946 
947  return;
948  } else {
949  $this->output( "Dropping column '$table.$field'\n" );
950  $this->db->query( "ALTER TABLE $table DROP COLUMN $field" );
951  }
952  }
953 
954  protected function addPgField( $table, $field, $type ) {
955  $fi = $this->db->fieldInfo( $table, $field );
956  if ( $fi !== null ) {
957  $this->output( "...column '$table.$field' already exists\n" );
958 
959  return;
960  } else {
961  $this->output( "Adding column '$table.$field'\n" );
962  $this->db->query( "ALTER TABLE $table ADD $field $type" );
963  }
964  }
965 
966  protected function changeField( $table, $field, $newtype, $default ) {
967  $fi = $this->db->fieldInfo( $table, $field );
968  if ( $fi === null ) {
969  $this->output( "...ERROR: expected column $table.$field to exist\n" );
970  exit( 1 );
971  }
972 
973  if ( $fi->type() === $newtype ) {
974  $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
975  } else {
976  $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
977  $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
978  if ( strlen( $default ) ) {
979  $res = [];
980  if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
981  $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
982  $this->db->query( $sqldef );
983  $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
984  }
985  $sql .= " USING $default";
986  }
987  $this->db->query( $sql );
988  }
989  }
990 
991  protected function changeFieldPurgeTable( $table, $field, $newtype, $default ) {
992  # # For a cache table, empty it if the field needs to be changed, because the old contents
993  # # may be corrupted. If the column is already the desired type, refrain from purging.
994  $fi = $this->db->fieldInfo( $table, $field );
995  if ( $fi === null ) {
996  $this->output( "...ERROR: expected column $table.$field to exist\n" );
997  exit( 1 );
998  }
999 
1000  if ( $fi->type() === $newtype ) {
1001  $this->output( "...column '$table.$field' is already of type '$newtype'\n" );
1002  } else {
1003  $this->output( "Purging data from cache table '$table'\n" );
1004  $this->db->query( "DELETE from $table" );
1005  $this->output( "Changing column type of '$table.$field' from '{$fi->type()}' to '$newtype'\n" );
1006  $sql = "ALTER TABLE $table ALTER $field TYPE $newtype";
1007  if ( strlen( $default ) ) {
1008  $res = [];
1009  if ( preg_match( '/DEFAULT (.+)/', $default, $res ) ) {
1010  $sqldef = "ALTER TABLE $table ALTER $field SET DEFAULT $res[1]";
1011  $this->db->query( $sqldef );
1012  $default = preg_replace( '/\s*DEFAULT .+/', '', $default );
1013  }
1014  $sql .= " USING $default";
1015  }
1016  $this->db->query( $sql );
1017  }
1018  }
1019 
1020  protected function setDefault( $table, $field, $default ) {
1021  $info = $this->db->fieldInfo( $table, $field );
1022  if ( $info && $info->defaultValue() !== $default ) {
1023  $this->output( "Changing '$table.$field' default value\n" );
1024  $this->db->query( "ALTER TABLE $table ALTER $field SET DEFAULT "
1025  . $this->db->addQuotes( $default ) );
1026  }
1027  }
1028 
1035  protected function dropDefault( $table, $field ) {
1036  $info = $this->db->fieldInfo( $table, $field );
1037  if ( $info->defaultValue() !== false ) {
1038  $this->output( "Removing '$table.$field' default value\n" );
1039  $this->db->query( "ALTER TABLE $table ALTER $field DROP DEFAULT" );
1040  }
1041  }
1042 
1043  protected function changeNullableField( $table, $field, $null, $update = false ) {
1044  $fi = $this->db->fieldInfo( $table, $field );
1045  if ( $fi === null ) {
1046  return;
1047  }
1048  if ( $fi->isNullable() ) {
1049  # # It's NULL - does it need to be NOT NULL?
1050  if ( $null === 'NOT NULL' ) {
1051  $this->output( "Changing '$table.$field' to not allow NULLs\n" );
1052  if ( $update ) {
1053  $this->db->query( "UPDATE $table SET $field = DEFAULT WHERE $field IS NULL" );
1054  }
1055  $this->db->query( "ALTER TABLE $table ALTER $field SET NOT NULL" );
1056  } else {
1057  $this->output( "...column '$table.$field' is already set as NULL\n" );
1058  }
1059  } else {
1060  # # It's NOT NULL - does it need to be NULL?
1061  if ( $null === 'NULL' ) {
1062  $this->output( "Changing '$table.$field' to allow NULLs\n" );
1063  $this->db->query( "ALTER TABLE $table ALTER $field DROP NOT NULL" );
1064  } else {
1065  $this->output( "...column '$table.$field' is already set as NOT NULL\n" );
1066  }
1067  }
1068  }
1069 
1070  protected function addPgIndex( $table, $index, $type, $unique = false ) {
1071  if ( $this->db->indexExists( $table, $index ) ) {
1072  $this->output( "...index '$index' on table '$table' already exists\n" );
1073  } else {
1074  $this->output( "Creating index '$index' on table '$table' $type\n" );
1075  $unique = $unique ? 'UNIQUE' : '';
1076  $this->db->query( "CREATE $unique INDEX $index ON $table $type" );
1077  }
1078  }
1079 
1080  protected function addPgExtIndex( $table, $index, $type ) {
1081  if ( $this->db->indexExists( $table, $index ) ) {
1082  $this->output( "...index '$index' on table '$table' already exists\n" );
1083  } elseif ( preg_match( '/^\(/', $type ) ) {
1084  $this->output( "Creating index '$index' on table '$table'\n" );
1085  $this->db->query( "CREATE INDEX $index ON $table $type" );
1086  } else {
1087  $this->applyPatch( $type, true, "Creating index '$index' on table '$table'" );
1088  }
1089  }
1090 
1097  protected function addPgEnumValue( $type, $value ) {
1098  $row = $this->db->selectRow(
1099  [
1100  't' => 'pg_catalog.pg_type',
1101  'n' => 'pg_catalog.pg_namespace',
1102  'e' => 'pg_catalog.pg_enum',
1103  ],
1104  [ 't.typname', 't.typtype', 'e.enumlabel' ],
1105  [
1106  't.typname' => $type,
1107  'n.nspname' => $this->db->getCoreSchema(),
1108  ],
1109  __METHOD__,
1110  [],
1111  [
1112  'n' => [ 'JOIN', 't.typnamespace = n.oid' ],
1113  'e' => [ 'LEFT JOIN', [ 'e.enumtypid = t.oid', 'e.enumlabel' => $value ] ],
1114  ]
1115  );
1116 
1117  if ( !$row ) {
1118  $this->output( "...Type $type does not exist, skipping modify enum.\n" );
1119  } elseif ( $row->typtype !== 'e' ) {
1120  $this->output( "...Type $type does not seem to be an enum, skipping modify enum.\n" );
1121  } elseif ( $row->enumlabel === $value ) {
1122  $this->output( "...Enum type $type already contains value '$value'.\n" );
1123  } else {
1124  $this->output( "...Adding value '$value' to enum type $type.\n" );
1125  $etype = $this->db->addIdentifierQuotes( $type );
1126  $evalue = $this->db->addQuotes( $value );
1127  $this->db->query( "ALTER TYPE $etype ADD VALUE $evalue" );
1128  }
1129  }
1130 
1131  protected function dropFkey( $table, $field ) {
1132  $fi = $this->db->fieldInfo( $table, $field );
1133  if ( $fi === null ) {
1134  $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
1135  "Please report this.\n" );
1136  return;
1137  }
1138  $conname = $fi->conname();
1139  if ( $fi->conname() ) {
1140  $this->output( "Dropping foreign key constraint on '$table.$field'\n" );
1141  $conclause = "CONSTRAINT \"$conname\"";
1142  $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
1143  $this->db->query( $command );
1144  } else {
1145  $this->output( "...foreign key constraint on '$table.$field' already does not exist\n" );
1146  }
1147  }
1148 
1149  protected function changeFkeyDeferrable( $table, $field, $clause ) {
1150  $fi = $this->db->fieldInfo( $table, $field );
1151  if ( $fi === null ) {
1152  $this->output( "WARNING! Column '$table.$field' does not exist but it should! " .
1153  "Please report this.\n" );
1154 
1155  return;
1156  }
1157  if ( $fi->is_deferred() && $fi->is_deferrable() ) {
1158  return;
1159  }
1160  $this->output( "Altering column '$table.$field' to be DEFERRABLE INITIALLY DEFERRED\n" );
1161  $conname = $fi->conname();
1162  if ( $fi->conname() ) {
1163  $conclause = "CONSTRAINT \"$conname\"";
1164  $command = "ALTER TABLE $table DROP CONSTRAINT $conname";
1165  $this->db->query( $command );
1166  } else {
1167  $this->output( "Column '$table.$field' does not have a foreign key " .
1168  "constraint, will be added\n" );
1169  $conclause = "";
1170  }
1171  $command =
1172  "ALTER TABLE $table ADD $conclause " .
1173  "FOREIGN KEY ($field) REFERENCES $clause DEFERRABLE INITIALLY DEFERRED";
1174  $this->db->query( $command );
1175  }
1176 
1177  protected function convertArchive2() {
1178  if ( $this->db->tableExists( "archive2" ) ) {
1179  if ( $this->db->ruleExists( 'archive', 'archive_insert' ) ) {
1180  $this->output( "Dropping rule 'archive_insert'\n" );
1181  $this->db->query( 'DROP RULE archive_insert ON archive' );
1182  }
1183  if ( $this->db->ruleExists( 'archive', 'archive_delete' ) ) {
1184  $this->output( "Dropping rule 'archive_delete'\n" );
1185  $this->db->query( 'DROP RULE archive_delete ON archive' );
1186  }
1187  $this->applyPatch(
1188  'patch-remove-archive2.sql',
1189  false,
1190  "Converting 'archive2' back to normal archive table"
1191  );
1192  } else {
1193  $this->output( "...obsolete table 'archive2' does not exist\n" );
1194  }
1195  }
1196 
1197  protected function checkOiDeleted() {
1198  if ( $this->db->fieldInfo( 'oldimage', 'oi_deleted' )->type() !== 'smallint' ) {
1199  $this->output( "Changing 'oldimage.oi_deleted' to type 'smallint'\n" );
1200  $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted DROP DEFAULT" );
1201  $this->db->query(
1202  "ALTER TABLE oldimage ALTER oi_deleted TYPE SMALLINT USING (oi_deleted::smallint)" );
1203  $this->db->query( "ALTER TABLE oldimage ALTER oi_deleted SET DEFAULT 0" );
1204  } else {
1205  $this->output( "...column 'oldimage.oi_deleted' is already of type 'smallint'\n" );
1206  }
1207  }
1208 
1209  protected function checkOiNameConstraint() {
1210  if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascaded" ) ) {
1211  $this->output( "...table 'oldimage' has correct cascading delete/update " .
1212  "foreign key to image\n" );
1213  } else {
1214  if ( $this->db->hasConstraint( "oldimage_oi_name_fkey" ) ) {
1215  $this->db->query(
1216  "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey" );
1217  }
1218  if ( $this->db->hasConstraint( "oldimage_oi_name_fkey_cascade" ) ) {
1219  $this->db->query(
1220  "ALTER TABLE oldimage DROP CONSTRAINT oldimage_oi_name_fkey_cascade" );
1221  }
1222  $this->output( "Making foreign key on table 'oldimage' (to image) a cascade delete/update\n" );
1223  $this->db->query(
1224  "ALTER TABLE oldimage ADD CONSTRAINT oldimage_oi_name_fkey_cascaded " .
1225  "FOREIGN KEY (oi_name) REFERENCES image(img_name) " .
1226  "ON DELETE CASCADE ON UPDATE CASCADE" );
1227  }
1228  }
1229 
1230  protected function checkPageDeletedTrigger() {
1231  if ( !$this->db->triggerExists( 'page', 'page_deleted' ) ) {
1232  $this->applyPatch(
1233  'patch-page_deleted.sql',
1234  false,
1235  "Adding function and trigger 'page_deleted' to table 'page'"
1236  );
1237  } else {
1238  $this->output( "...table 'page' has 'page_deleted' trigger\n" );
1239  }
1240  }
1241 
1242  protected function dropPgIndex( $table, $index ) {
1243  if ( $this->db->indexExists( $table, $index ) ) {
1244  $this->output( "Dropping obsolete index '$index'\n" );
1245  $this->db->query( "DROP INDEX \"" . $index . "\"" );
1246  }
1247  }
1248 
1249  protected function checkIndex( $index, $should_be, $good_def ) {
1250  $pu = $this->db->indexAttributes( $index );
1251  if ( !empty( $pu ) && $pu != $should_be ) {
1252  $this->output( "Dropping obsolete version of index '$index'\n" );
1253  $this->db->query( "DROP INDEX \"" . $index . "\"" );
1254  $pu = [];
1255  } else {
1256  $this->output( "...no need to drop index '$index'\n" );
1257  }
1258 
1259  if ( empty( $pu ) ) {
1260  $this->output( "Creating index '$index'\n" );
1261  $this->db->query( $good_def );
1262  } else {
1263  $this->output( "...index '$index' exists\n" );
1264  }
1265  }
1266 
1267  protected function checkRevUserFkey() {
1268  if ( !$this->db->fieldExists( 'revision', 'rev_user' ) ) {
1269  /* Do nothing */
1270  } elseif ( $this->fkeyDeltype( 'revision_rev_user_fkey' ) == 'r' ) {
1271  $this->output( "...constraint 'revision_rev_user_fkey' is ON DELETE RESTRICT\n" );
1272  } else {
1273  $this->applyPatch(
1274  'patch-revision_rev_user_fkey.sql',
1275  false,
1276  "Changing constraint 'revision_rev_user_fkey' to ON DELETE RESTRICT"
1277  );
1278  }
1279  }
1280 
1281  protected function checkIwlPrefix() {
1282  if ( $this->db->indexExists( 'iwlinks', 'iwl_prefix' ) ) {
1283  $this->applyPatch(
1284  'patch-rename-iwl_prefix.sql',
1285  false,
1286  "Replacing index 'iwl_prefix' with 'iwl_prefix_title_from'"
1287  );
1288  }
1289  }
1290 
1291  protected function addInterwikiType() {
1292  $this->applyPatch( 'patch-add_interwiki.sql', false, "Refreshing add_interwiki()" );
1293  }
1294 
1295  protected function tsearchFixes() {
1296  # Tweak the page_title tsearch2 trigger to filter out slashes
1297  # This is create or replace, so harmless to call if not needed
1298  $this->applyPatch( 'patch-ts2pagetitle.sql', false, "Refreshing ts2_page_title()" );
1299 
1300  $this->applyPatch( 'patch-tsearch2funcs.sql', false, "Rewriting tsearch2 triggers" );
1301  }
1302 
1303  protected function rebuildTextSearch() {
1304  if ( $this->updateRowExists( 'patch-textsearch_bug66650.sql' ) ) {
1305  $this->output( "...T68650 already fixed or not applicable.\n" );
1306  return;
1307  }
1308  $this->applyPatch( 'patch-textsearch_bug66650.sql', false,
1309  'Rebuilding text search for T68650' );
1310  }
1311 }
DatabaseUpdater\output
output( $str)
Output some text.
Definition: DatabaseUpdater.php:222
PostgresUpdater\rebuildTextSearch
rebuildTextSearch()
Definition: PostgresUpdater.php:1303
PostgresUpdater\renameIndex
renameIndex( $table, $old, $new, $skipBothIndexExistWarning=false, $a=false, $b=false)
Rename an index from an existing table.
Definition: PostgresUpdater.php:907
PostgresUpdater\checkOiNameConstraint
checkOiNameConstraint()
Definition: PostgresUpdater.php:1209
PostgresUpdater\changeNullableField
changeNullableField( $table, $field, $null, $update=false)
Definition: PostgresUpdater.php:1043
PostgresUpdater\getCoreUpdateList
getCoreUpdateList()
Definition: PostgresUpdater.php:44
PostgresUpdater\setDefault
setDefault( $table, $field, $default)
Definition: PostgresUpdater.php:1020
PostgresUpdater\addPgEnumValue
addPgEnumValue( $type, $value)
Add a value to an existing PostgreSQL enum type.
Definition: PostgresUpdater.php:1097
DatabaseUpdater\applyPatch
applyPatch( $path, $isFullPath=false, $msg=null)
Applies a SQL patch.
Definition: DatabaseUpdater.php:705
DatabaseUpdater
Class for handling database updates.
Definition: DatabaseUpdater.php:36
PostgresUpdater\convertArchive2
convertArchive2()
Definition: PostgresUpdater.php:1177
true
return true
Definition: router.php:90
PostgresUpdater\dropFkey
dropFkey( $table, $field)
Definition: PostgresUpdater.php:1131
PostgresUpdater\checkPageDeletedTrigger
checkPageDeletedTrigger()
Definition: PostgresUpdater.php:1230
PostgresUpdater\describeIndex
describeIndex( $idx)
Definition: PostgresUpdater.php:760
PostgresUpdater\$db
DatabasePostgres $db
Definition: PostgresUpdater.php:37
PostgresUpdater\renameTable
renameTable( $old, $new, $patch=false)
Definition: PostgresUpdater.php:895
PostgresUpdater\fkeyDeltype
fkeyDeltype( $fkey)
Definition: PostgresUpdater.php:811
Wikimedia\Rdbms\DatabasePostgres
Definition: DatabasePostgres.php:33
PostgresUpdater\checkIwlPrefix
checkIwlPrefix()
Definition: PostgresUpdater.php:1281
$res
$res
Definition: testCompression.php:57
PostgresUpdater\changeField
changeField( $table, $field, $newtype, $default)
Definition: PostgresUpdater.php:966
DatabaseUpdater\$updates
array $updates
Array of updates to perform on the database.
Definition: DatabaseUpdater.php:44
PostgresUpdater\changeFieldPurgeTable
changeFieldPurgeTable( $table, $field, $newtype, $default)
Definition: PostgresUpdater.php:991
PostgresUpdater\addPgExtIndex
addPgExtIndex( $table, $index, $type)
Definition: PostgresUpdater.php:1080
PostgresUpdater\describeTable
describeTable( $table)
Definition: PostgresUpdater.php:735
PostgresUpdater\ruleDef
ruleDef( $table, $rule)
Definition: PostgresUpdater.php:833
PostgresUpdater\addPgIndex
addPgIndex( $table, $index, $type, $unique=false)
Definition: PostgresUpdater.php:1070
PostgresUpdater\checkRevUserFkey
checkRevUserFkey()
Definition: PostgresUpdater.php:1267
DatabaseUpdater\updateRowExists
updateRowExists( $key)
Helper function: check if the given key is present in the updatelog table.
Definition: DatabaseUpdater.php:529
PostgresUpdater
Class for handling updates to Postgres databases.
Definition: PostgresUpdater.php:32
PostgresUpdater\checkIndex
checkIndex( $index, $should_be, $good_def)
Definition: PostgresUpdater.php:1249
PostgresUpdater\changeFkeyDeferrable
changeFkeyDeferrable( $table, $field, $clause)
Definition: PostgresUpdater.php:1149
PostgresUpdater\renameSequence
renameSequence( $old, $new)
Definition: PostgresUpdater.php:876
PostgresUpdater\dropDefault
dropDefault( $table, $field)
Drop a default value from a field.
Definition: PostgresUpdater.php:1035
PostgresUpdater\setSequenceOwner
setSequenceOwner( $table, $pkey, $seq)
Definition: PostgresUpdater.php:888
$command
$command
Definition: mcc.php:125
PostgresUpdater\addInterwikiType
addInterwikiType()
Definition: PostgresUpdater.php:1291
PostgresUpdater\dropSequence
dropSequence( $table, $ns)
Definition: PostgresUpdater.php:869
PostgresUpdater\addSequence
addSequence( $table, $pkey, $ns)
Definition: PostgresUpdater.php:857
PostgresUpdater\tsearchFixes
tsearchFixes()
Definition: PostgresUpdater.php:1295
PostgresUpdater\addPgField
addPgField( $table, $field, $type)
Definition: PostgresUpdater.php:954
PostgresUpdater\dropPgField
dropPgField( $table, $field)
Definition: PostgresUpdater.php:942
PostgresUpdater\checkOiDeleted
checkOiDeleted()
Definition: PostgresUpdater.php:1197
PostgresUpdater\getOldGlobalUpdates
getOldGlobalUpdates()
Before 1.17, we used to handle updates via stuff like $wgExtNewTables/Fields/Indexes.
Definition: PostgresUpdater.php:696
PostgresUpdater\dropPgIndex
dropPgIndex( $table, $index)
Definition: PostgresUpdater.php:1242
$type
$type
Definition: testCompression.php:52