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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
bc77d7c0 | 4 | | Copyright CiviCRM LLC. All rights reserved. | |
6a488035 | 5 | | | |
bc77d7c0 TO |
6 | | This work is published under the GNU AGPLv3 license with some | |
7 | | permitted exceptions and without any warranty. For full license | | |
8 | | and copyright information, see https://civicrm.org/licensing | | |
6a488035 | 9 | +--------------------------------------------------------------------+ |
d25dd0ee | 10 | */ |
6a488035 TO |
11 | |
12 | /** | |
13 | * | |
14 | * @package CRM | |
ca5cec67 | 15 | * @copyright CiviCRM LLC https://civicrm.org/licensing |
6a488035 TO |
16 | */ |
17 | ||
18 | /** | |
db01bf2f | 19 | * This file contains functions for creating and altering CiviCRM-tables structure. |
6a488035 TO |
20 | * |
21 | * $table = array( | |
db01bf2f | 22 | * 'name' => TABLE_NAME, |
23 | * 'attributes' => ATTRIBUTES, | |
24 | * 'fields' => array( | |
25 | * array( | |
26 | * 'name' => FIELD_NAME, | |
27 | * // can be field, index, constraint | |
28 | * 'type' => FIELD_SQL_TYPE, | |
29 | * 'class' => FIELD_CLASS_TYPE, | |
30 | * 'primary' => BOOLEAN, | |
31 | * 'required' => BOOLEAN, | |
32 | * 'searchable' => TRUE, | |
33 | * 'fk_table_name' => FOREIGN_KEY_TABLE_NAME, | |
34 | * 'fk_field_name' => FOREIGN_KEY_FIELD_NAME, | |
35 | * 'comment' => COMMENT, | |
36 | * 'default' => DEFAULT, ) | |
37 | * ... | |
38 | * )); | |
6a488035 TO |
39 | */ |
40 | class CRM_Core_BAO_SchemaHandler { | |
41 | ||
42 | /** | |
c490a46a | 43 | * Create a CiviCRM-table |
6a488035 | 44 | * |
c490a46a | 45 | * @param array $params |
6a488035 | 46 | * |
72b3a70c CW |
47 | * @return bool |
48 | * TRUE if successfully created, FALSE otherwise | |
6a488035 | 49 | * |
6a488035 | 50 | */ |
6477f387 | 51 | public static function createTable($params) { |
6a488035 TO |
52 | $sql = self::buildTableSQL($params); |
53 | // do not i18n-rewrite | |
be2fb01f | 54 | CRM_Core_DAO::executeQuery($sql, [], TRUE, NULL, FALSE, FALSE); |
6a488035 | 55 | |
6477f387 | 56 | if (CRM_Core_Config::singleton()->logging) { |
6a488035 | 57 | // logging support |
8d7a9d07 | 58 | $logging = new CRM_Logging_Schema(); |
fcc20cec | 59 | $logging->fixSchemaDifferencesFor($params['name']); |
6a488035 TO |
60 | } |
61 | ||
62 | // always do a trigger rebuild for this table | |
dfcc817d | 63 | Civi::service('sql_triggers')->rebuild($params['name'], TRUE); |
6a488035 TO |
64 | |
65 | return TRUE; | |
66 | } | |
67 | ||
b5c2afd0 | 68 | /** |
c490a46a | 69 | * @param array $params |
b5c2afd0 EM |
70 | * |
71 | * @return string | |
72 | */ | |
6477f387 | 73 | public static function buildTableSQL($params) { |
6a488035 TO |
74 | $sql = "CREATE TABLE {$params['name']} ("; |
75 | if (isset($params['fields']) && | |
76 | is_array($params['fields']) | |
77 | ) { | |
78 | $separator = "\n"; | |
79 | $prefix = NULL; | |
80 | foreach ($params['fields'] as $field) { | |
81 | $sql .= self::buildFieldSQL($field, $separator, $prefix); | |
82 | $separator = ",\n"; | |
83 | } | |
84 | foreach ($params['fields'] as $field) { | |
85 | $sql .= self::buildPrimaryKeySQL($field, $separator, $prefix); | |
86 | } | |
87 | foreach ($params['fields'] as $field) { | |
88 | $sql .= self::buildSearchIndexSQL($field, $separator, $prefix); | |
89 | } | |
90 | if (isset($params['indexes'])) { | |
91 | foreach ($params['indexes'] as $index) { | |
92 | $sql .= self::buildIndexSQL($index, $separator, $prefix); | |
93 | } | |
94 | } | |
95 | foreach ($params['fields'] as $field) { | |
96 | $sql .= self::buildForeignKeySQL($field, $separator, $prefix, $params['name']); | |
97 | } | |
98 | } | |
99 | $sql .= "\n) {$params['attributes']};"; | |
100 | return $sql; | |
101 | } | |
102 | ||
b5c2afd0 | 103 | /** |
c490a46a | 104 | * @param array $params |
b5c2afd0 EM |
105 | * @param $separator |
106 | * @param $prefix | |
107 | * | |
108 | * @return string | |
109 | */ | |
4f89ebb0 | 110 | public static function buildFieldSQL($params, $separator, $prefix) { |
6a488035 TO |
111 | $sql = ''; |
112 | $sql .= $separator; | |
113 | $sql .= str_repeat(' ', 8); | |
114 | $sql .= $prefix; | |
115 | $sql .= "`{$params['name']}` {$params['type']}"; | |
116 | ||
a7488080 | 117 | if (!empty($params['required'])) { |
6a488035 TO |
118 | $sql .= " NOT NULL"; |
119 | } | |
120 | ||
a7488080 | 121 | if (!empty($params['attributes'])) { |
6a488035 TO |
122 | $sql .= " {$params['attributes']}"; |
123 | } | |
124 | ||
a7488080 | 125 | if (!empty($params['default']) && |
6a488035 TO |
126 | $params['type'] != 'text' |
127 | ) { | |
128 | $sql .= " DEFAULT {$params['default']}"; | |
129 | } | |
130 | ||
a7488080 | 131 | if (!empty($params['comment'])) { |
6a488035 TO |
132 | $sql .= " COMMENT '{$params['comment']}'"; |
133 | } | |
134 | ||
135 | return $sql; | |
136 | } | |
137 | ||
b5c2afd0 | 138 | /** |
c490a46a | 139 | * @param array $params |
b5c2afd0 EM |
140 | * @param $separator |
141 | * @param $prefix | |
142 | * | |
e60f24eb | 143 | * @return NULL|string |
b5c2afd0 | 144 | */ |
4f89ebb0 | 145 | public static function buildPrimaryKeySQL($params, $separator, $prefix) { |
6a488035 | 146 | $sql = NULL; |
a7488080 | 147 | if (!empty($params['primary'])) { |
6a488035 TO |
148 | $sql .= $separator; |
149 | $sql .= str_repeat(' ', 8); | |
150 | $sql .= $prefix; | |
151 | $sql .= "PRIMARY KEY ( {$params['name']} )"; | |
152 | } | |
153 | return $sql; | |
154 | } | |
155 | ||
b5c2afd0 | 156 | /** |
c490a46a | 157 | * @param array $params |
b5c2afd0 EM |
158 | * @param $separator |
159 | * @param $prefix | |
160 | * @param bool $indexExist | |
161 | * | |
e60f24eb | 162 | * @return NULL|string |
b5c2afd0 | 163 | */ |
4f89ebb0 | 164 | public static function buildSearchIndexSQL($params, $separator, $prefix, $indexExist = FALSE) { |
6a488035 TO |
165 | $sql = NULL; |
166 | ||
167 | // dont index blob | |
168 | if ($params['type'] == 'text') { | |
169 | return $sql; | |
170 | } | |
171 | ||
172 | //create index only for searchable fields during ADD, | |
173 | //create index only if field is become searchable during MODIFY, | |
7ab8180f MM |
174 | //drop index only if field is no longer searchable and it does not reference |
175 | //a forgein key (and indexExist is true) | |
a7488080 | 176 | if (!empty($params['searchable']) && !$indexExist) { |
6a488035 TO |
177 | $sql .= $separator; |
178 | $sql .= str_repeat(' ', 8); | |
179 | $sql .= $prefix; | |
180 | $sql .= "INDEX_{$params['name']} ( {$params['name']} )"; | |
181 | } | |
7ab8180f | 182 | elseif (empty($params['searchable']) && empty($params['fk_table_name']) && $indexExist) { |
6a488035 TO |
183 | $sql .= $separator; |
184 | $sql .= str_repeat(' ', 8); | |
185 | $sql .= "DROP INDEX INDEX_{$params['name']}"; | |
186 | } | |
187 | return $sql; | |
188 | } | |
189 | ||
b5c2afd0 | 190 | /** |
c490a46a | 191 | * @param array $params |
b5c2afd0 EM |
192 | * @param $separator |
193 | * @param $prefix | |
194 | * | |
195 | * @return string | |
196 | */ | |
00be9182 | 197 | public static function buildIndexSQL(&$params, $separator, $prefix) { |
6a488035 TO |
198 | $sql = ''; |
199 | $sql .= $separator; | |
200 | $sql .= str_repeat(' ', 8); | |
201 | if ($params['unique']) { | |
202 | $sql .= 'UNIQUE INDEX'; | |
203 | $indexName = 'unique'; | |
204 | } | |
205 | else { | |
206 | $sql .= 'INDEX'; | |
207 | $indexName = 'index'; | |
208 | } | |
209 | $indexFields = NULL; | |
210 | ||
211 | foreach ($params as $name => $value) { | |
212 | if (substr($name, 0, 11) == 'field_name_') { | |
213 | $indexName .= "_{$value}"; | |
214 | $indexFields .= " $value,"; | |
215 | } | |
216 | } | |
217 | $indexFields = substr($indexFields, 0, -1); | |
218 | ||
219 | $sql .= " $indexName ( $indexFields )"; | |
220 | return $sql; | |
221 | } | |
222 | ||
b5c2afd0 | 223 | /** |
100fef9d CW |
224 | * @param string $tableName |
225 | * @param string $fkTableName | |
b5c2afd0 EM |
226 | * |
227 | * @return bool | |
228 | */ | |
00be9182 | 229 | public static function changeFKConstraint($tableName, $fkTableName) { |
6a488035 TO |
230 | $fkName = "{$tableName}_entity_id"; |
231 | if (strlen($fkName) >= 48) { | |
232 | $fkName = substr($fkName, 0, 32) . "_" . substr(md5($fkName), 0, 16); | |
233 | } | |
234 | $dropFKSql = " | |
235 | ALTER TABLE {$tableName} | |
236 | DROP FOREIGN KEY `FK_{$fkName}`;"; | |
237 | ||
fccb50a6 | 238 | CRM_Core_DAO::executeQuery($dropFKSql); |
6a488035 TO |
239 | |
240 | $addFKSql = " | |
241 | ALTER TABLE {$tableName} | |
242 | ADD CONSTRAINT `FK_{$fkName}` FOREIGN KEY (`entity_id`) REFERENCES {$fkTableName} (`id`) ON DELETE CASCADE;"; | |
243 | // CRM-7007: do not i18n-rewrite this query | |
be2fb01f | 244 | CRM_Core_DAO::executeQuery($addFKSql, [], TRUE, NULL, FALSE, FALSE); |
6a488035 TO |
245 | |
246 | return TRUE; | |
247 | } | |
248 | ||
b5c2afd0 | 249 | /** |
c490a46a | 250 | * @param array $params |
b5c2afd0 EM |
251 | * @param $separator |
252 | * @param $prefix | |
100fef9d | 253 | * @param string $tableName |
b5c2afd0 | 254 | * |
e60f24eb | 255 | * @return NULL|string |
b5c2afd0 | 256 | */ |
4f89ebb0 | 257 | public static function buildForeignKeySQL($params, $separator, $prefix, $tableName) { |
6a488035 | 258 | $sql = NULL; |
8cc574cf | 259 | if (!empty($params['fk_table_name']) && !empty($params['fk_field_name'])) { |
6a488035 TO |
260 | $sql .= $separator; |
261 | $sql .= str_repeat(' ', 8); | |
262 | $sql .= $prefix; | |
263 | $fkName = "{$tableName}_{$params['name']}"; | |
264 | if (strlen($fkName) >= 48) { | |
265 | $fkName = substr($fkName, 0, 32) . "_" . substr(md5($fkName), 0, 16); | |
266 | } | |
267 | ||
268 | $sql .= "CONSTRAINT FK_$fkName FOREIGN KEY ( `{$params['name']}` ) REFERENCES {$params['fk_table_name']} ( {$params['fk_field_name']} ) "; | |
269 | $sql .= CRM_Utils_Array::value('fk_attributes', $params); | |
270 | } | |
271 | return $sql; | |
272 | } | |
273 | ||
b5c2afd0 | 274 | /** |
ead0c08f | 275 | * @deprecated |
276 | * | |
c490a46a | 277 | * @param array $params |
b5c2afd0 EM |
278 | * @param bool $indexExist |
279 | * @param bool $triggerRebuild | |
280 | * | |
281 | * @return bool | |
282 | */ | |
6477f387 | 283 | public static function alterFieldSQL($params, $indexExist = FALSE, $triggerRebuild = TRUE) { |
3111965c | 284 | CRM_Core_Error::deprecatedFunctionWarning('function no longer in use / supported'); |
6a488035 TO |
285 | // lets suppress the required flag, since that can cause sql issue |
286 | $params['required'] = FALSE; | |
287 | ||
d992b2f5 | 288 | $sql = self::buildFieldChangeSql($params, $indexExist); |
6a488035 TO |
289 | |
290 | // CRM-7007: do not i18n-rewrite this query | |
be2fb01f | 291 | CRM_Core_DAO::executeQuery($sql, [], TRUE, NULL, FALSE, FALSE); |
6a488035 TO |
292 | |
293 | $config = CRM_Core_Config::singleton(); | |
294 | if ($config->logging) { | |
721a43a4 EM |
295 | // CRM-16717 not sure why this was originally limited to add. |
296 | // For example custom tables can have field length changes - which need to flow through to logging. | |
297 | // Are there any modifies we DON'T was to call this function for (& shouldn't it be clever enough to cope?) | |
298 | if ($params['operation'] == 'add' || $params['operation'] == 'modify') { | |
8d7a9d07 | 299 | $logging = new CRM_Logging_Schema(); |
fcc20cec | 300 | $logging->fixSchemaDifferencesFor($params['table_name'], [trim(strtoupper($params['operation'])) => [$params['name']]]); |
6a488035 TO |
301 | } |
302 | } | |
303 | ||
22e263ad | 304 | if ($triggerRebuild) { |
dfcc817d | 305 | Civi::service('sql_triggers')->rebuild($params['table_name'], TRUE); |
6a488035 TO |
306 | } |
307 | ||
308 | return TRUE; | |
309 | } | |
310 | ||
311 | /** | |
49186f94 | 312 | * Delete a CiviCRM-table. |
6a488035 | 313 | * |
d3e86119 | 314 | * @param string $tableName |
6a0b768e | 315 | * Name of the table to be created. |
6a488035 | 316 | */ |
00be9182 | 317 | public static function dropTable($tableName) { |
6a488035 | 318 | $sql = "DROP TABLE $tableName"; |
49186f94 | 319 | CRM_Core_DAO::executeQuery($sql); |
6a488035 TO |
320 | } |
321 | ||
b5c2afd0 | 322 | /** |
100fef9d CW |
323 | * @param string $tableName |
324 | * @param string $columnName | |
3abab0f8 | 325 | * @param bool $l18n |
41ace555 | 326 | * @param bool $isUpgradeMode |
87568e34 | 327 | * |
b5c2afd0 | 328 | */ |
41ace555 | 329 | public static function dropColumn($tableName, $columnName, $l18n = FALSE, $isUpgradeMode = FALSE) { |
242055d3 CW |
330 | if (self::checkIfFieldExists($tableName, $columnName)) { |
331 | $sql = "ALTER TABLE $tableName DROP COLUMN $columnName"; | |
3abab0f8 | 332 | if ($l18n) { |
87568e34 SL |
333 | CRM_Core_DAO::executeQuery($sql); |
334 | } | |
335 | else { | |
be2fb01f | 336 | CRM_Core_DAO::executeQuery($sql, [], TRUE, NULL, FALSE, FALSE); |
87568e34 | 337 | } |
1285e488 SL |
338 | $domain = new CRM_Core_DAO_Domain(); |
339 | $domain->find(TRUE); | |
340 | if ($domain->locales) { | |
341 | $locales = explode(CRM_Core_DAO::VALUE_SEPARATOR, $domain->locales); | |
41ace555 | 342 | CRM_Core_I18n_Schema::rebuildMultilingualSchema($locales, NULL, $isUpgradeMode); |
1285e488 | 343 | } |
242055d3 | 344 | } |
6a488035 TO |
345 | } |
346 | ||
b5c2afd0 | 347 | /** |
100fef9d | 348 | * @param string $tableName |
b5c2afd0 EM |
349 | * @param bool $dropUnique |
350 | */ | |
00be9182 | 351 | public static function changeUniqueToIndex($tableName, $dropUnique = TRUE) { |
6a488035 TO |
352 | if ($dropUnique) { |
353 | $sql = "ALTER TABLE $tableName | |
354 | DROP INDEX `unique_entity_id` , | |
355 | ADD INDEX `FK_{$tableName}_entity_id` ( `entity_id` )"; | |
356 | } | |
357 | else { | |
358 | $sql = " ALTER TABLE $tableName | |
359 | DROP INDEX `FK_{$tableName}_entity_id` , | |
360 | ADD UNIQUE INDEX `unique_entity_id` ( `entity_id` )"; | |
361 | } | |
49186f94 | 362 | CRM_Core_DAO::executeQuery($sql); |
6a488035 TO |
363 | } |
364 | ||
b5c2afd0 | 365 | /** |
7181119b | 366 | * Create indexes. |
367 | * | |
b5c2afd0 | 368 | * @param $tables |
7181119b | 369 | * Tables to create index for in the format: |
370 | * array('civicrm_entity_table' => 'entity_id') | |
371 | * OR | |
372 | * array('civicrm_entity_table' => array('entity_id', 'entity_table')) | |
373 | * The latter will create a combined index on the 2 keys (in order). | |
374 | * | |
375 | * Side note - when creating combined indexes the one with the most variation | |
376 | * goes first - so entity_table always goes after entity_id. | |
377 | * | |
378 | * It probably makes sense to consider more sophisticated options at some point | |
379 | * but at the moment this is only being as enhanced as fast as the test is. | |
380 | * | |
381 | * @todo add support for length & multilingual on combined keys. | |
382 | * | |
b5c2afd0 | 383 | * @param string $createIndexPrefix |
fe891bc6 | 384 | * @param array $substrLengths |
b5c2afd0 | 385 | */ |
be2fb01f CW |
386 | public static function createIndexes($tables, $createIndexPrefix = 'index', $substrLengths = []) { |
387 | $queries = []; | |
8d7a9d07 | 388 | $domain = new CRM_Core_DAO_Domain(); |
6a488035 TO |
389 | $domain->find(TRUE); |
390 | $locales = explode(CRM_Core_DAO::VALUE_SEPARATOR, $domain->locales); | |
391 | ||
392 | // if we're multilingual, cache the information on internationalised fields | |
393 | static $columns = NULL; | |
394 | if (!CRM_Utils_System::isNull($locales) and $columns === NULL) { | |
395 | $columns = CRM_Core_I18n_SchemaStructure::columns(); | |
396 | } | |
397 | ||
398 | foreach ($tables as $table => $fields) { | |
399 | $query = "SHOW INDEX FROM $table"; | |
400 | $dao = CRM_Core_DAO::executeQuery($query); | |
401 | ||
be2fb01f | 402 | $currentIndexes = []; |
6a488035 TO |
403 | while ($dao->fetch()) { |
404 | $currentIndexes[] = $dao->Key_name; | |
405 | } | |
406 | ||
407 | // now check for all fields if the index exists | |
408 | foreach ($fields as $field) { | |
7181119b | 409 | $fieldName = implode('_', (array) $field); |
410 | ||
411 | if (is_array($field)) { | |
412 | // No support for these for combined indexes as yet - add a test when you | |
413 | // want to add that. | |
414 | $lengthName = ''; | |
415 | $lengthSize = ''; | |
416 | } | |
417 | else { | |
418 | // handle indices over substrings, CRM-6245 | |
419 | // $lengthName is appended to index name, $lengthSize is the field size modifier | |
fe891bc6 AS |
420 | $lengthName = isset($substrLengths[$table][$fieldName]) ? "_{$substrLengths[$table][$fieldName]}" : ''; |
421 | $lengthSize = isset($substrLengths[$table][$fieldName]) ? "({$substrLengths[$table][$fieldName]})" : ''; | |
7181119b | 422 | } |
6a488035 | 423 | |
be2fb01f | 424 | $names = [ |
7181119b | 425 | "index_{$fieldName}{$lengthName}", |
426 | "FK_{$table}_{$fieldName}{$lengthName}", | |
427 | "UI_{$fieldName}{$lengthName}", | |
428 | "{$createIndexPrefix}_{$fieldName}{$lengthName}", | |
be2fb01f | 429 | ]; |
6a488035 TO |
430 | |
431 | // skip to the next $field if one of the above $names exists; handle multilingual for CRM-4126 | |
432 | foreach ($names as $name) { | |
433 | $regex = '/^' . preg_quote($name) . '(_[a-z][a-z]_[A-Z][A-Z])?$/'; | |
434 | if (preg_grep($regex, $currentIndexes)) { | |
435 | continue 2; | |
436 | } | |
437 | } | |
438 | ||
439 | // the index doesn't exist, so create it | |
440 | // if we're multilingual and the field is internationalised, do it for every locale | |
7181119b | 441 | // @todo remove is_array check & add multilingual support for combined indexes and add a test. |
442 | // Note combined indexes currently using this function are on fields like | |
443 | // entity_id + entity_table which are not multilingual. | |
444 | if (!is_array($field) && !CRM_Utils_System::isNull($locales) and isset($columns[$table][$fieldName])) { | |
6a488035 | 445 | foreach ($locales as $locale) { |
7181119b | 446 | $queries[] = "CREATE INDEX {$createIndexPrefix}_{$fieldName}{$lengthName}_{$locale} ON {$table} ({$fieldName}_{$locale}{$lengthSize})"; |
6a488035 TO |
447 | } |
448 | } | |
449 | else { | |
7181119b | 450 | $queries[] = "CREATE INDEX {$createIndexPrefix}_{$fieldName}{$lengthName} ON {$table} (" . implode(',', (array) $field) . "{$lengthSize})"; |
6a488035 TO |
451 | } |
452 | } | |
453 | } | |
454 | ||
455 | // run the queries without i18n-rewriting | |
8d7a9d07 | 456 | $dao = new CRM_Core_DAO(); |
6a488035 TO |
457 | foreach ($queries as $query) { |
458 | $dao->query($query, FALSE); | |
459 | } | |
460 | } | |
461 | ||
49186f94 AS |
462 | /** |
463 | * Get indexes for tables | |
464 | * @param array $tables | |
465 | * array of table names to find indexes for | |
466 | * | |
467 | * @return array('tableName' => array('index1', 'index2')) | |
468 | */ | |
469 | public static function getIndexes($tables) { | |
be2fb01f | 470 | $indexes = []; |
49186f94 AS |
471 | foreach ($tables as $table) { |
472 | $query = "SHOW INDEX FROM $table"; | |
473 | $dao = CRM_Core_DAO::executeQuery($query); | |
474 | ||
be2fb01f | 475 | $tableIndexes = []; |
49186f94 AS |
476 | while ($dao->fetch()) { |
477 | $tableIndexes[$dao->Key_name]['name'] = $dao->Key_name; | |
478 | $tableIndexes[$dao->Key_name]['field'][] = $dao->Column_name . | |
479 | ($dao->Sub_part ? '(' . $dao->Sub_part . ')' : ''); | |
480 | $tableIndexes[$dao->Key_name]['unique'] = ($dao->Non_unique == 0 ? 1 : 0); | |
481 | } | |
482 | $indexes[$table] = $tableIndexes; | |
49186f94 AS |
483 | } |
484 | return $indexes; | |
485 | } | |
486 | ||
50969d52 | 487 | /** |
488 | * Drop an index if one by that name exists. | |
489 | * | |
490 | * @param string $tableName | |
491 | * @param string $indexName | |
492 | */ | |
493 | public static function dropIndexIfExists($tableName, $indexName) { | |
494 | if (self::checkIfIndexExists($tableName, $indexName)) { | |
495 | CRM_Core_DAO::executeQuery("DROP INDEX $indexName ON $tableName"); | |
496 | } | |
497 | } | |
498 | ||
b5c2afd0 | 499 | /** |
100fef9d CW |
500 | * @param int $customFieldID |
501 | * @param string $tableName | |
502 | * @param string $columnName | |
b5c2afd0 EM |
503 | * @param $length |
504 | * | |
505 | * @throws Exception | |
506 | */ | |
00be9182 | 507 | public static function alterFieldLength($customFieldID, $tableName, $columnName, $length) { |
6a488035 TO |
508 | // first update the custom field tables |
509 | $sql = " | |
510 | UPDATE civicrm_custom_field | |
511 | SET text_length = %1 | |
512 | WHERE id = %2 | |
513 | "; | |
be2fb01f CW |
514 | $params = [ |
515 | 1 => [$length, 'Integer'], | |
516 | 2 => [$customFieldID, 'Integer'], | |
517 | ]; | |
6a488035 TO |
518 | CRM_Core_DAO::executeQuery($sql, $params); |
519 | ||
520 | $sql = " | |
521 | SELECT is_required, default_value | |
522 | FROM civicrm_custom_field | |
523 | WHERE id = %2 | |
524 | "; | |
525 | $dao = CRM_Core_DAO::executeQuery($sql, $params); | |
526 | ||
527 | if ($dao->fetch()) { | |
528 | $clause = ''; | |
529 | ||
530 | if ($dao->is_required) { | |
531 | $clause = " NOT NULL"; | |
532 | } | |
533 | ||
534 | if (!empty($dao->default_value)) { | |
535 | $clause .= " DEFAULT '{$dao->default_value}'"; | |
536 | } | |
537 | // now modify the column | |
538 | $sql = " | |
539 | ALTER TABLE {$tableName} | |
540 | MODIFY {$columnName} varchar( $length ) | |
541 | $clause | |
542 | "; | |
543 | CRM_Core_DAO::executeQuery($sql); | |
544 | } | |
545 | else { | |
546 | CRM_Core_Error::fatal(ts('Could Not Find Custom Field Details for %1, %2, %3', | |
be2fb01f | 547 | [ |
353ffa53 TO |
548 | 1 => $tableName, |
549 | 2 => $columnName, | |
550 | 3 => $customFieldID, | |
be2fb01f | 551 | ] |
353ffa53 | 552 | )); |
6a488035 TO |
553 | } |
554 | } | |
96025800 | 555 | |
50969d52 | 556 | /** |
557 | * Check if the table has an index matching the name. | |
558 | * | |
559 | * @param string $tableName | |
560 | * @param array $indexName | |
561 | * | |
49186f94 | 562 | * @return bool |
50969d52 | 563 | */ |
564 | public static function checkIfIndexExists($tableName, $indexName) { | |
565 | $result = CRM_Core_DAO::executeQuery( | |
566 | "SHOW INDEX FROM $tableName WHERE key_name = %1 AND seq_in_index = 1", | |
be2fb01f | 567 | [1 => [$indexName, 'String']] |
50969d52 | 568 | ); |
569 | if ($result->fetch()) { | |
570 | return TRUE; | |
571 | } | |
572 | return FALSE; | |
573 | } | |
574 | ||
82f5a856 | 575 | /** |
49186f94 | 576 | * Check if the table has a specified column. |
82f5a856 SL |
577 | * |
578 | * @param string $tableName | |
579 | * @param string $columnName | |
eed7e803 CW |
580 | * @param bool $i18nRewrite |
581 | * Whether to rewrite the query on multilingual setups. | |
82f5a856 | 582 | * |
49186f94 | 583 | * @return bool |
82f5a856 | 584 | */ |
eed7e803 | 585 | public static function checkIfFieldExists($tableName, $columnName, $i18nRewrite = TRUE) { |
5e282b34 CW |
586 | $query = "SHOW COLUMNS FROM $tableName LIKE '%1'"; |
587 | $dao = CRM_Core_DAO::executeQuery($query, [1 => [$columnName, 'Alphanumeric']], TRUE, NULL, FALSE, $i18nRewrite); | |
eed7e803 | 588 | $result = $dao->fetch() ? TRUE : FALSE; |
eed7e803 | 589 | return $result; |
82f5a856 SL |
590 | } |
591 | ||
169475b7 | 592 | /** |
f5078cc0 SL |
593 | * Check if a foreign key Exists |
594 | * @param string $table_name | |
595 | * @param string $constraint_name | |
596 | * @return bool TRUE if FK is found | |
169475b7 | 597 | */ |
f5078cc0 | 598 | public static function checkFKExists($table_name, $constraint_name) { |
169475b7 SL |
599 | $config = CRM_Core_Config::singleton(); |
600 | $dbUf = DB::parseDSN($config->dsn); | |
601 | $query = " | |
602 | SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS | |
603 | WHERE TABLE_SCHEMA = %1 | |
604 | AND TABLE_NAME = %2 | |
605 | AND CONSTRAINT_NAME = %3 | |
606 | AND CONSTRAINT_TYPE = 'FOREIGN KEY' | |
607 | "; | |
be2fb01f CW |
608 | $params = [ |
609 | 1 => [$dbUf['database'], 'String'], | |
610 | 2 => [$table_name, 'String'], | |
611 | 3 => [$constraint_name, 'String'], | |
612 | ]; | |
1494e986 | 613 | $dao = CRM_Core_DAO::executeQuery($query, $params, TRUE, NULL, FALSE, FALSE); |
169475b7 SL |
614 | |
615 | if ($dao->fetch()) { | |
27e82c24 | 616 | return TRUE; |
f5078cc0 | 617 | } |
27e82c24 | 618 | return FALSE; |
f5078cc0 SL |
619 | } |
620 | ||
621 | /** | |
622 | * Remove a foreign key from a table if it exists. | |
623 | * | |
624 | * @param $table_name | |
625 | * @param $constraint_name | |
626 | * | |
627 | * @return bool | |
628 | */ | |
629 | public static function safeRemoveFK($table_name, $constraint_name) { | |
27e82c24 | 630 | if (self::checkFKExists($table_name, $constraint_name)) { |
1494e986 | 631 | CRM_Core_DAO::executeQuery("ALTER TABLE {$table_name} DROP FOREIGN KEY {$constraint_name}", [], TRUE, NULL, FALSE, FALSE); |
9cd5a579 | 632 | return TRUE; |
169475b7 | 633 | } |
9cd5a579 | 634 | return FALSE; |
169475b7 SL |
635 | } |
636 | ||
6b86d84f AS |
637 | /** |
638 | * Add index signature hash to DAO file calculation. | |
639 | * | |
640 | * @param string $table table name | |
641 | * @param array $indices index array spec | |
642 | */ | |
643 | public static function addIndexSignature($table, &$indices) { | |
644 | foreach ($indices as $indexName => $index) { | |
645 | $indices[$indexName]['sig'] = $table . "::" . | |
646 | (array_key_exists('unique', $index) ? $index['unique'] : 0) . "::" . | |
647 | implode("::", $index['field']); | |
648 | } | |
649 | } | |
650 | ||
49186f94 AS |
651 | /** |
652 | * Compare the indices specified in the XML files with those in the DB. | |
653 | * | |
3d4602c3 JP |
654 | * @param bool $dropFalseIndices |
655 | * If set - this function deletes false indices present in the DB which mismatches the expected | |
656 | * values of xml file so that civi re-creates them with correct values using createMissingIndices() function. | |
657 | * | |
49186f94 AS |
658 | * @return array |
659 | * index specifications | |
660 | */ | |
3d4602c3 | 661 | public static function getMissingIndices($dropFalseIndices = FALSE) { |
be2fb01f | 662 | $requiredSigs = $existingSigs = []; |
49186f94 AS |
663 | // Get the indices defined (originally) in the xml files |
664 | $requiredIndices = CRM_Core_DAO_AllCoreTables::indices(); | |
be2fb01f | 665 | $reqSigs = []; |
49186f94 AS |
666 | foreach ($requiredIndices as $table => $indices) { |
667 | $reqSigs[] = CRM_Utils_Array::collect('sig', $indices); | |
668 | } | |
669 | CRM_Utils_Array::flatten($reqSigs, $requiredSigs); | |
670 | ||
671 | // Get the indices in the database | |
672 | $existingIndices = CRM_Core_BAO_SchemaHandler::getIndexes(array_keys($requiredIndices)); | |
be2fb01f | 673 | $extSigs = []; |
49186f94 AS |
674 | foreach ($existingIndices as $table => $indices) { |
675 | CRM_Core_BAO_SchemaHandler::addIndexSignature($table, $indices); | |
676 | $extSigs[] = CRM_Utils_Array::collect('sig', $indices); | |
677 | } | |
678 | CRM_Utils_Array::flatten($extSigs, $existingSigs); | |
679 | ||
680 | // Compare | |
681 | $missingSigs = array_diff($requiredSigs, $existingSigs); | |
f4f835ed | 682 | |
3d4602c3 | 683 | //CRM-20774 - Drop index key which exist in db but the value varies. |
f4f835ed | 684 | $existingKeySigs = array_intersect_key($missingSigs, $existingSigs); |
3d4602c3 | 685 | if ($dropFalseIndices && !empty($existingKeySigs)) { |
f4f835ed JP |
686 | foreach ($existingKeySigs as $sig) { |
687 | $sigParts = explode('::', $sig); | |
688 | foreach ($requiredIndices[$sigParts[0]] as $index) { | |
3d4602c3 JP |
689 | if ($index['sig'] == $sig && !empty($index['name'])) { |
690 | self::dropIndexIfExists($sigParts[0], $index['name']); | |
f4f835ed JP |
691 | continue; |
692 | } | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
49186f94 | 697 | // Get missing indices |
be2fb01f | 698 | $missingIndices = []; |
49186f94 AS |
699 | foreach ($missingSigs as $sig) { |
700 | $sigParts = explode('::', $sig); | |
f3490f40 | 701 | if (array_key_exists($sigParts[0], $requiredIndices)) { |
702 | foreach ($requiredIndices[$sigParts[0]] as $index) { | |
703 | if ($index['sig'] == $sig) { | |
704 | $missingIndices[$sigParts[0]][] = $index; | |
705 | continue; | |
706 | } | |
49186f94 AS |
707 | } |
708 | } | |
709 | } | |
3d4602c3 | 710 | return $missingIndices; |
49186f94 AS |
711 | } |
712 | ||
713 | /** | |
714 | * Create missing indices. | |
715 | * | |
716 | * @param array $missingIndices as returned by getMissingIndices() | |
717 | */ | |
718 | public static function createMissingIndices($missingIndices) { | |
be2fb01f | 719 | $queries = []; |
49186f94 AS |
720 | foreach ($missingIndices as $table => $indexList) { |
721 | foreach ($indexList as $index) { | |
722 | $queries[] = "CREATE " . | |
723 | (array_key_exists('unique', $index) && $index['unique'] ? 'UNIQUE ' : '') . | |
724 | "INDEX {$index['name']} ON {$table} (" . | |
725 | implode(", ", $index['field']) . | |
726 | ")"; | |
727 | } | |
728 | } | |
729 | ||
730 | /* FIXME potential problem if index name already exists, so check before creating */ | |
731 | $dao = new CRM_Core_DAO(); | |
732 | foreach ($queries as $query) { | |
733 | $dao->query($query, FALSE); | |
734 | } | |
49186f94 AS |
735 | } |
736 | ||
d992b2f5 | 737 | /** |
738 | * Build the sql to alter the field. | |
739 | * | |
740 | * @param array $params | |
741 | * @param bool $indexExist | |
742 | * | |
743 | * @return string | |
744 | */ | |
745 | public static function buildFieldChangeSql($params, $indexExist) { | |
746 | $sql = str_repeat(' ', 8); | |
747 | $sql .= "ALTER TABLE {$params['table_name']}"; | |
8e2949c4 | 748 | return $sql . self::getFieldAlterSQL($params, $indexExist); |
749 | } | |
750 | ||
751 | /** | |
752 | * Get the sql to alter an individual field. | |
753 | * | |
754 | * This will need to have an ALTER TABLE statement appended but by getting | |
755 | * by individual field we can do one or many. | |
756 | * | |
757 | * @param array $params | |
758 | * @param bool $indexExist | |
759 | * | |
760 | * @return string | |
761 | */ | |
762 | public static function getFieldAlterSQL($params, $indexExist) { | |
763 | $sql = ''; | |
d992b2f5 | 764 | switch ($params['operation']) { |
765 | case 'add': | |
766 | $separator = "\n"; | |
767 | $sql .= self::buildFieldSQL($params, $separator, "ADD COLUMN "); | |
768 | $separator = ",\n"; | |
769 | $sql .= self::buildPrimaryKeySQL($params, $separator, "ADD PRIMARY KEY "); | |
770 | $sql .= self::buildSearchIndexSQL($params, $separator, "ADD INDEX "); | |
771 | $sql .= self::buildForeignKeySQL($params, $separator, "ADD ", $params['table_name']); | |
772 | break; | |
773 | ||
774 | case 'modify': | |
775 | $separator = "\n"; | |
776 | $sql .= self::buildFieldSQL($params, $separator, "MODIFY "); | |
777 | $separator = ",\n"; | |
778 | $sql .= self::buildSearchIndexSQL($params, $separator, "ADD INDEX ", $indexExist); | |
779 | break; | |
780 | ||
781 | case 'delete': | |
782 | $sql .= " DROP COLUMN `{$params['name']}`"; | |
783 | if (!empty($params['primary'])) { | |
784 | $sql .= ", DROP PRIMARY KEY"; | |
785 | } | |
786 | if (!empty($params['fk_table_name'])) { | |
787 | $sql .= ", DROP FOREIGN KEY FK_{$params['fkName']}"; | |
788 | } | |
789 | break; | |
790 | } | |
791 | return $sql; | |
792 | } | |
793 | ||
6a488035 | 794 | } |