[TASK] Re-work/simplify copyright header in PHP files - Part 2
[Packages/TYPO3.CMS.git] / typo3 / sysext / install / Classes / Service / SqlSchemaMigrationService.php
1 <?php
2 namespace TYPO3\CMS\Install\Service;
3
4 /**
5 * This file is part of the TYPO3 CMS project.
6 *
7 * It is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License, either version 2
9 * of the License, or any later version.
10 *
11 * For the full copyright and license information, please read the
12 * LICENSE.txt file that was distributed with this source code.
13 *
14 * The TYPO3 project - inspiring people to share!
15 */
16
17 /**
18 * Verify TYPO3 DB table structure. Mainly used in install tool
19 * compare wizard and extension manager.
20 */
21 class SqlSchemaMigrationService {
22
23 /**
24 * @constant Maximum field width of MySQL
25 */
26 const MYSQL_MAXIMUM_FIELD_WIDTH = 64;
27
28 /**
29 * @var string Prefix of deleted tables
30 */
31 protected $deletedPrefixKey = 'zzz_deleted_';
32
33 /**
34 * @var array Caching output of $GLOBALS['TYPO3_DB']->admin_get_charsets()
35 */
36 protected $character_sets = array();
37
38 /**
39 * Set prefix of deleted tables
40 *
41 * @param string $prefix Prefix string
42 */
43 public function setDeletedPrefixKey($prefix) {
44 $this->deletedPrefixKey = $prefix;
45 }
46
47 /**
48 * Get prefix of deleted tables
49 *
50 * @return string
51 */
52 public function getDeletedPrefixKey() {
53 return $this->deletedPrefixKey;
54 }
55
56 /**
57 * Reads the field definitions for the input SQL-file string
58 *
59 * @param string $fileContent Should be a string read from an SQL-file made with 'mysqldump [database_name] -d'
60 * @return array Array with information about table.
61 */
62 public function getFieldDefinitions_fileContent($fileContent) {
63 $lines = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(LF, $fileContent, TRUE);
64 $table = '';
65 $total = array();
66 foreach ($lines as $value) {
67 if ($value[0] === '#') {
68 // Ignore comments
69 continue;
70 }
71 if (!strlen($table)) {
72 $parts = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(' ', $value, TRUE);
73 if (strtoupper($parts[0]) === 'CREATE' && strtoupper($parts[1]) === 'TABLE') {
74 $table = str_replace('`', '', $parts[2]);
75 // tablenames are always lowercase on windows!
76 if (TYPO3_OS == 'WIN') {
77 $table = strtolower($table);
78 }
79 }
80 } else {
81 if ($value[0] === ')' && substr($value, -1) === ';') {
82 $ttype = array();
83 if (preg_match('/(ENGINE|TYPE)[ ]*=[ ]*([a-zA-Z]*)/', $value, $ttype)) {
84 $total[$table]['extra']['ENGINE'] = $ttype[2];
85 }
86 // Otherwise, just do nothing: If table engine is not defined, just accept the system default.
87 // Set the collation, if specified
88 if (preg_match('/(COLLATE)[ ]*=[ ]*([a-zA-z0-9_-]+)/', $value, $tcollation)) {
89 $total[$table]['extra']['COLLATE'] = $tcollation[2];
90 } else {
91 // Otherwise, get the CHARACTER SET and try to find the default collation for it as returned by "SHOW CHARACTER SET" query (for details, see http://dev.mysql.com/doc/refman/5.1/en/charset-table.html)
92 if (preg_match('/(CHARSET|CHARACTER SET)[ ]*=[ ]*([a-zA-z0-9_-]+)/', $value, $tcharset)) {
93 // Note: Keywords "DEFAULT CHARSET" and "CHARSET" are the same, so "DEFAULT" can just be ignored
94 $charset = $tcharset[2];
95 } else {
96 $charset = $GLOBALS['TYPO3_DB']->default_charset;
97 }
98 $total[$table]['extra']['COLLATE'] = $this->getCollationForCharset($charset);
99 }
100 // Remove table marker and start looking for the next "CREATE TABLE" statement
101 $table = '';
102 } else {
103 // Strip trailing commas
104 $lineV = preg_replace('/,$/', '', $value);
105 $lineV = str_replace('`', '', $lineV);
106 // Remove double blanks
107 $lineV = str_replace(' ', ' ', $lineV);
108 $parts = explode(' ', $lineV, 2);
109 // Field definition
110 if (!preg_match('/(PRIMARY|UNIQUE|FULLTEXT|INDEX|KEY)/', $parts[0])) {
111 // Make sure there is no default value when auto_increment is set
112 if (stristr($parts[1], 'auto_increment')) {
113 $parts[1] = preg_replace('/ default \'0\'/i', '', $parts[1]);
114 }
115 // "default" is always lower-case
116 if (stristr($parts[1], ' DEFAULT ')) {
117 $parts[1] = str_ireplace(' DEFAULT ', ' default ', $parts[1]);
118 }
119 // Change order of "default" and "NULL" statements
120 $parts[1] = preg_replace('/(.*) (default .*) (NOT NULL)/', '$1 $3 $2', $parts[1]);
121 $parts[1] = preg_replace('/(.*) (default .*) (NULL)/', '$1 $3 $2', $parts[1]);
122 $key = $parts[0];
123 $total[$table]['fields'][$key] = $parts[1];
124 } else {
125 // Key definition
126 $search = array('/UNIQUE (INDEX|KEY)/', '/FULLTEXT (INDEX|KEY)/', '/INDEX/');
127 $replace = array('UNIQUE', 'FULLTEXT', 'KEY');
128 $lineV = preg_replace($search, $replace, $lineV);
129 if (preg_match('/PRIMARY|UNIQUE|FULLTEXT/', $parts[0])) {
130 $parts[1] = preg_replace('/^(KEY|INDEX) /', '', $parts[1]);
131 }
132 $newParts = explode(' ', $parts[1], 2);
133 $key = $parts[0] == 'PRIMARY' ? $parts[0] : $newParts[0];
134 $total[$table]['keys'][$key] = $lineV;
135 // This is a protection against doing something stupid: Only allow clearing of cache_* and index_* tables.
136 if (preg_match('/^(cache|index)_/', $table)) {
137 // Suggest to truncate (clear) this table
138 $total[$table]['extra']['CLEAR'] = 1;
139 }
140 }
141 }
142 }
143 }
144 return $total;
145 }
146
147 /**
148 * Look up the default collation for specified character set based on "SHOW CHARACTER SET" output
149 *
150 * @param string $charset Character set
151 * @return string Corresponding default collation
152 */
153 public function getCollationForCharset($charset) {
154 // Load character sets, if not cached already
155 if (!count($this->character_sets)) {
156 if (method_exists($GLOBALS['TYPO3_DB'], 'admin_get_charsets')) {
157 $this->character_sets = $GLOBALS['TYPO3_DB']->admin_get_charsets();
158 } else {
159 // Add empty element to avoid that the check will be repeated
160 $this->character_sets[$charset] = array();
161 }
162 }
163 $collation = '';
164 if (isset($this->character_sets[$charset]['Default collation'])) {
165 $collation = $this->character_sets[$charset]['Default collation'];
166 }
167 return $collation;
168 }
169
170 /**
171 * Reads the field definitions for the current database
172 *
173 * @return array Array with information about table.
174 */
175 public function getFieldDefinitions_database() {
176 $total = array();
177 $tempKeys = array();
178 $tempKeysPrefix = array();
179 $GLOBALS['TYPO3_DB']->sql_select_db();
180 echo $GLOBALS['TYPO3_DB']->sql_error();
181 $tables = $GLOBALS['TYPO3_DB']->admin_get_tables();
182 foreach ($tables as $tableName => $tableStatus) {
183 // Fields
184 $fieldInformation = $GLOBALS['TYPO3_DB']->admin_get_fields($tableName);
185 foreach ($fieldInformation as $fN => $fieldRow) {
186 $total[$tableName]['fields'][$fN] = $this->assembleFieldDefinition($fieldRow);
187 }
188 // Keys
189 $keyInformation = $GLOBALS['TYPO3_DB']->admin_get_keys($tableName);
190 foreach ($keyInformation as $keyRow) {
191 $keyName = $keyRow['Key_name'];
192 $colName = $keyRow['Column_name'];
193 if ($keyRow['Sub_part']) {
194 $colName .= '(' . $keyRow['Sub_part'] . ')';
195 }
196 $tempKeys[$tableName][$keyName][$keyRow['Seq_in_index']] = $colName;
197 if ($keyName == 'PRIMARY') {
198 $prefix = 'PRIMARY KEY';
199 } else {
200 if ($keyRow['Index_type'] == 'FULLTEXT') {
201 $prefix = 'FULLTEXT';
202 } elseif ($keyRow['Non_unique']) {
203 $prefix = 'KEY';
204 } else {
205 $prefix = 'UNIQUE';
206 }
207 $prefix .= ' ' . $keyName;
208 }
209 $tempKeysPrefix[$tableName][$keyName] = $prefix;
210 }
211 // Table status (storage engine, collaction, etc.)
212 if (is_array($tableStatus)) {
213 $tableExtraFields = array(
214 'Engine' => 'ENGINE',
215 'Collation' => 'COLLATE'
216 );
217 foreach ($tableExtraFields as $mysqlKey => $internalKey) {
218 if (isset($tableStatus[$mysqlKey])) {
219 $total[$tableName]['extra'][$internalKey] = $tableStatus[$mysqlKey];
220 }
221 }
222 }
223 }
224 // Compile key information:
225 if (count($tempKeys)) {
226 foreach ($tempKeys as $table => $keyInf) {
227 foreach ($keyInf as $kName => $index) {
228 ksort($index);
229 $total[$table]['keys'][$kName] = $tempKeysPrefix[$table][$kName] . ' (' . implode(',', $index) . ')';
230 }
231 }
232 }
233 return $total;
234 }
235
236 /**
237 * Compares two arrays with field information and returns information about fields that are MISSING and fields that have CHANGED.
238 * FDsrc and FDcomp can be switched if you want the list of stuff to remove rather than update.
239 *
240 * @param array $FDsrc Field definitions, source (from getFieldDefinitions_fileContent())
241 * @param array $FDcomp Field definitions, comparison. (from getFieldDefinitions_database())
242 * @param string $onlyTableList Table names (in list) which is the ONLY one observed.
243 * @param boolean $ignoreNotNullWhenComparing If set, this function ignores NOT NULL statements of the SQL file field definition when comparing current field definition from database with field definition from SQL file. This way, NOT NULL statements will be executed when the field is initially created, but the SQL parser will never complain about missing NOT NULL statements afterwards.
244 * @return array Returns an array with 1) all elements from $FDsrc that is not in $FDcomp (in key 'extra') and 2) all elements from $FDsrc that is different from the ones in $FDcomp
245 */
246 public function getDatabaseExtra($FDsrc, $FDcomp, $onlyTableList = '', $ignoreNotNullWhenComparing = TRUE) {
247 $extraArr = array();
248 $diffArr = array();
249 if (is_array($FDsrc)) {
250 foreach ($FDsrc as $table => $info) {
251 if (!strlen($onlyTableList) || \TYPO3\CMS\Core\Utility\GeneralUtility::inList($onlyTableList, $table)) {
252 if (!isset($FDcomp[$table])) {
253 // If the table was not in the FDcomp-array, the result array is loaded with that table.
254 $extraArr[$table] = $info;
255 $extraArr[$table]['whole_table'] = 1;
256 } else {
257 $keyTypes = explode(',', 'extra,fields,keys');
258 foreach ($keyTypes as $theKey) {
259 if (is_array($info[$theKey])) {
260 foreach ($info[$theKey] as $fieldN => $fieldC) {
261 $fieldN = str_replace('`', '', $fieldN);
262 if ($fieldN == 'COLLATE') {
263 // TODO: collation support is currently disabled (needs more testing)
264 continue;
265 }
266 if (!isset($FDcomp[$table][$theKey][$fieldN])) {
267 $extraArr[$table][$theKey][$fieldN] = $fieldC;
268 } else {
269 $fieldC = trim($fieldC);
270
271 // Lowercase the field type to surround false-positive schema changes to be
272 // reported just because of different caseing of characters
273 // The regex does just trigger for the first word followed by round brackets
274 // that contain a length. It does not trigger for e.g. "PRIMARY KEY" because
275 // "PRIMARY KEY" is being returned from the DB in upper case.
276 $fieldC = preg_replace_callback(
277 '/^([a-zA-Z0-9]+\(.*\))(\s)(.*)/',
278 create_function(
279 '$matches',
280 'return strtolower($matches[1]) . $matches[2] . $matches[3];'
281 ),
282 $fieldC
283 );
284
285 if ($ignoreNotNullWhenComparing) {
286 $fieldC = str_replace(' NOT NULL', '', $fieldC);
287 $FDcomp[$table][$theKey][$fieldN] = str_replace(' NOT NULL', '', $FDcomp[$table][$theKey][$fieldN]);
288 }
289 if ($fieldC !== $FDcomp[$table][$theKey][$fieldN]) {
290 $diffArr[$table][$theKey][$fieldN] = $fieldC;
291 $diffArr_cur[$table][$theKey][$fieldN] = $FDcomp[$table][$theKey][$fieldN];
292 }
293 }
294 }
295 }
296 }
297 }
298 }
299 }
300 }
301 $output = array(
302 'extra' => $extraArr,
303 'diff' => $diffArr,
304 'diff_currentValues' => $diffArr_cur
305 );
306 return $output;
307 }
308
309 /**
310 * Returns an array with SQL-statements that is needed to update according to the diff-array
311 *
312 * @param array $diffArr Array with differences of current and needed DB settings. (from getDatabaseExtra())
313 * @param string $keyList List of fields in diff array to take notice of.
314 * @return array Array of SQL statements (organized in keys depending on type)
315 */
316 public function getUpdateSuggestions($diffArr, $keyList = 'extra,diff') {
317 $statements = array();
318 $deletedPrefixKey = $this->deletedPrefixKey;
319 $deletedPrefixLength = strlen($deletedPrefixKey);
320 $remove = 0;
321 if ($keyList == 'remove') {
322 $remove = 1;
323 $keyList = 'extra';
324 }
325 $keyList = explode(',', $keyList);
326 foreach ($keyList as $theKey) {
327 if (is_array($diffArr[$theKey])) {
328 foreach ($diffArr[$theKey] as $table => $info) {
329 $whole_table = array();
330 if (is_array($info['fields'])) {
331 foreach ($info['fields'] as $fN => $fV) {
332 if ($info['whole_table']) {
333 $whole_table[] = $fN . ' ' . $fV;
334 } else {
335 // Special case to work around MySQL problems when adding auto_increment fields:
336 if (stristr($fV, 'auto_increment')) {
337 // The field can only be set "auto_increment" if there exists a PRIMARY key of that field already.
338 // The check does not look up which field is primary but just assumes it must be the field with the auto_increment value...
339 if (isset($diffArr['extra'][$table]['keys']['PRIMARY'])) {
340 // Remove "auto_increment" from the statement - it will be suggested in a 2nd step after the primary key was created
341 $fV = str_replace(' auto_increment', '', $fV);
342 } else {
343 // In the next step, attempt to clear the table once again (2 = force)
344 $info['extra']['CLEAR'] = 2;
345 }
346 }
347 if ($theKey == 'extra') {
348 if ($remove) {
349 if (substr($fN, 0, $deletedPrefixLength) !== $deletedPrefixKey) {
350 // we've to make sure we don't exceed the maximal length
351 $prefixedFieldName = $deletedPrefixKey . substr($fN, ($deletedPrefixLength - self::MYSQL_MAXIMUM_FIELD_WIDTH));
352 $statement = 'ALTER TABLE ' . $table . ' CHANGE ' . $fN . ' ' . $prefixedFieldName . ' ' . $fV . ';';
353 $statements['change'][md5($statement)] = $statement;
354 } else {
355 $statement = 'ALTER TABLE ' . $table . ' DROP ' . $fN . ';';
356 $statements['drop'][md5($statement)] = $statement;
357 }
358 } else {
359 $statement = 'ALTER TABLE ' . $table . ' ADD ' . $fN . ' ' . $fV . ';';
360 $statements['add'][md5($statement)] = $statement;
361 }
362 } elseif ($theKey == 'diff') {
363 $statement = 'ALTER TABLE ' . $table . ' CHANGE ' . $fN . ' ' . $fN . ' ' . $fV . ';';
364 $statements['change'][md5($statement)] = $statement;
365 $statements['change_currentValue'][md5($statement)] = $diffArr['diff_currentValues'][$table]['fields'][$fN];
366 }
367 }
368 }
369 }
370 if (is_array($info['keys'])) {
371 foreach ($info['keys'] as $fN => $fV) {
372 if ($info['whole_table']) {
373 $whole_table[] = $fV;
374 } else {
375 if ($theKey == 'extra') {
376 if ($remove) {
377 $statement = 'ALTER TABLE ' . $table . ($fN == 'PRIMARY' ? ' DROP PRIMARY KEY' : ' DROP KEY ' . $fN) . ';';
378 $statements['drop'][md5($statement)] = $statement;
379 } else {
380 $statement = 'ALTER TABLE ' . $table . ' ADD ' . $fV . ';';
381 $statements['add'][md5($statement)] = $statement;
382 }
383 } elseif ($theKey == 'diff') {
384 $statement = 'ALTER TABLE ' . $table . ($fN == 'PRIMARY' ? ' DROP PRIMARY KEY' : ' DROP KEY ' . $fN) . ';';
385 $statements['change'][md5($statement)] = $statement;
386 $statement = 'ALTER TABLE ' . $table . ' ADD ' . $fV . ';';
387 $statements['change'][md5($statement)] = $statement;
388 }
389 }
390 }
391 }
392 if (is_array($info['extra'])) {
393 $extras = array();
394 $extras_currentValue = array();
395 $clear_table = FALSE;
396 foreach ($info['extra'] as $fN => $fV) {
397 // Only consider statements which are missing in the database but don't remove existing properties
398 if (!$remove) {
399 if (!$info['whole_table']) {
400 // If the whole table is created at once, we take care of this later by imploding all elements of $info['extra']
401 if ($fN == 'CLEAR') {
402 // Truncate table must happen later, not now
403 // Valid values for CLEAR: 1=only clear if keys are missing, 2=clear anyway (force)
404 if (count($info['keys']) || $fV == 2) {
405 $clear_table = TRUE;
406 }
407 continue;
408 } else {
409 $extras[] = $fN . '=' . $fV;
410 $extras_currentValue[] = $fN . '=' . $diffArr['diff_currentValues'][$table]['extra'][$fN];
411 }
412 }
413 }
414 }
415 if ($clear_table) {
416 $statement = 'TRUNCATE TABLE ' . $table . ';';
417 $statements['clear_table'][md5($statement)] = $statement;
418 }
419 if (count($extras)) {
420 $statement = 'ALTER TABLE ' . $table . ' ' . implode(' ', $extras) . ';';
421 $statements['change'][md5($statement)] = $statement;
422 $statements['change_currentValue'][md5($statement)] = implode(' ', $extras_currentValue);
423 }
424 }
425 if ($info['whole_table']) {
426 if ($remove) {
427 if (substr($table, 0, $deletedPrefixLength) !== $deletedPrefixKey) {
428 // we've to make sure we don't exceed the maximal length
429 $prefixedTableName = $deletedPrefixKey . substr($table, ($deletedPrefixLength - self::MYSQL_MAXIMUM_FIELD_WIDTH));
430 $statement = 'ALTER TABLE ' . $table . ' RENAME ' . $prefixedTableName . ';';
431 $statements['change_table'][md5($statement)] = $statement;
432 } else {
433 $statement = 'DROP TABLE ' . $table . ';';
434 $statements['drop_table'][md5($statement)] = $statement;
435 }
436 // Count
437 $count = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows('*', $table);
438 $statements['tables_count'][md5($statement)] = $count ? 'Records in table: ' . $count : '';
439 } else {
440 $statement = 'CREATE TABLE ' . $table . ' (
441 ' . implode(',
442 ', $whole_table) . '
443 )';
444 if ($info['extra']) {
445 foreach ($info['extra'] as $k => $v) {
446 if ($k == 'COLLATE' || $k == 'CLEAR') {
447 // Skip these special statements. TODO: collation support is currently disabled (needs more testing)
448 continue;
449 }
450 // Add extra attributes like ENGINE, CHARSET, etc.
451 $statement .= ' ' . $k . '=' . $v;
452 }
453 }
454 $statement .= ';';
455 $statements['create_table'][md5($statement)] = $statement;
456 }
457 }
458 }
459 }
460 }
461 return $statements;
462 }
463
464 /**
465 * Converts a result row with field information into the SQL field definition string
466 *
467 * @param array $row MySQL result row
468 * @return string Field definition
469 */
470 public function assembleFieldDefinition($row) {
471 $field = array($row['Type']);
472 if ($row['Null'] == 'NO') {
473 $field[] = 'NOT NULL';
474 }
475 if (!strstr($row['Type'], 'blob') && !strstr($row['Type'], 'text')) {
476 // Add a default value if the field is not auto-incremented (these fields never have a default definition)
477 if (!stristr($row['Extra'], 'auto_increment')) {
478 if ($row['Default'] === NULL) {
479 $field[] = 'default NULL';
480 } else {
481 $field[] = 'default \'' . addslashes($row['Default']) . '\'';
482 }
483 }
484 }
485 if ($row['Extra']) {
486 $field[] = $row['Extra'];
487 }
488 return implode(' ', $field);
489 }
490
491 /**
492 * Returns an array where every entry is a single SQL-statement. Input must be formatted like an ordinary MySQL-dump files.
493 *
494 * @param string $sqlcode The SQL-file content. Provided that 1) every query in the input is ended with ';' and that a line in the file contains only one query or a part of a query.
495 * @param boolean $removeNonSQL If set, non-SQL content (like comments and blank lines) is not included in the final output
496 * @param string $query_regex Regex to filter SQL lines to include
497 * @return array Array of SQL statements
498 */
499 public function getStatementArray($sqlcode, $removeNonSQL = FALSE, $query_regex = '') {
500 $sqlcodeArr = explode(LF, $sqlcode);
501 // Based on the assumption that the sql-dump has
502 $statementArray = array();
503 $statementArrayPointer = 0;
504 foreach ($sqlcodeArr as $line => $lineContent) {
505 $lineContent = trim($lineContent);
506 $is_set = 0;
507 // Auto_increment fields cannot have a default value!
508 if (stristr($lineContent, 'auto_increment')) {
509 $lineContent = preg_replace('/ default \'0\'/i', '', $lineContent);
510 }
511 if (!$removeNonSQL || $lineContent !== '' && $lineContent[0] !== '#' && substr($lineContent, 0, 2) !== '--') {
512 // '--' is seen as mysqldump comments from server version 3.23.49
513 $statementArray[$statementArrayPointer] .= $lineContent;
514 $is_set = 1;
515 }
516 if (substr($lineContent, -1) === ';') {
517 if (isset($statementArray[$statementArrayPointer])) {
518 if (!trim($statementArray[$statementArrayPointer]) || $query_regex && !preg_match(('/' . $query_regex . '/i'), trim($statementArray[$statementArrayPointer]))) {
519 unset($statementArray[$statementArrayPointer]);
520 }
521 }
522 $statementArrayPointer++;
523 } elseif ($is_set) {
524 $statementArray[$statementArrayPointer] .= LF;
525 }
526 }
527 return $statementArray;
528 }
529
530 /**
531 * Returns tables to create and how many records in each
532 *
533 * @param array $statements Array of SQL statements to analyse.
534 * @param boolean $insertCountFlag If set, will count number of INSERT INTO statements following that table definition
535 * @return array Array with table definitions in index 0 and count in index 1
536 */
537 public function getCreateTables($statements, $insertCountFlag = FALSE) {
538 $crTables = array();
539 $insertCount = array();
540 foreach ($statements as $line => $lineContent) {
541 $reg = array();
542 if (preg_match('/^create[[:space:]]*table[[:space:]]*[`]?([[:alnum:]_]*)[`]?/i', substr($lineContent, 0, 100), $reg)) {
543 $table = trim($reg[1]);
544 if ($table) {
545 // Table names are always lowercase on Windows!
546 if (TYPO3_OS == 'WIN') {
547 $table = strtolower($table);
548 }
549 $sqlLines = explode(LF, $lineContent);
550 foreach ($sqlLines as $k => $v) {
551 if (stristr($v, 'auto_increment')) {
552 $sqlLines[$k] = preg_replace('/ default \'0\'/i', '', $v);
553 }
554 }
555 $lineContent = implode(LF, $sqlLines);
556 $crTables[$table] = $lineContent;
557 }
558 } elseif ($insertCountFlag && preg_match('/^insert[[:space:]]*into[[:space:]]*[`]?([[:alnum:]_]*)[`]?/i', substr($lineContent, 0, 100), $reg)) {
559 $nTable = trim($reg[1]);
560 $insertCount[$nTable]++;
561 }
562 }
563 return array($crTables, $insertCount);
564 }
565
566 /**
567 * Extracts all insert statements from $statement array where content is inserted into $table
568 *
569 * @param array $statements Array of SQL statements
570 * @param string $table Table name
571 * @return array Array of INSERT INTO statements where table match $table
572 */
573 public function getTableInsertStatements($statements, $table) {
574 $outStatements = array();
575 foreach ($statements as $line => $lineContent) {
576 $reg = array();
577 if (preg_match('/^insert[[:space:]]*into[[:space:]]*[`]?([[:alnum:]_]*)[`]?/i', substr($lineContent, 0, 100), $reg)) {
578 $nTable = trim($reg[1]);
579 if ($nTable && $table === $nTable) {
580 $outStatements[] = $lineContent;
581 }
582 }
583 }
584 return $outStatements;
585 }
586
587 /**
588 * Performs the queries passed from the input array.
589 *
590 * @param array $arr Array of SQL queries to execute.
591 * @param array $keyArr Array with keys that must match keys in $arr. Only where a key in this array is set and TRUE will the query be executed (meant to be passed from a form checkbox)
592 * @return mixed Array with error message from database if any occurred. Otherwise TRUE if everything was executed successfully.
593 */
594 public function performUpdateQueries($arr, $keyArr) {
595 $result = array();
596 if (is_array($arr)) {
597 foreach ($arr as $key => $string) {
598 if (isset($keyArr[$key]) && $keyArr[$key]) {
599 $res = $GLOBALS['TYPO3_DB']->admin_query($string);
600 if ($res === FALSE) {
601 $result[$key] = $GLOBALS['TYPO3_DB']->sql_error();
602 } elseif (is_resource($res) || is_a($res, '\\mysqli_result')) {
603 $GLOBALS['TYPO3_DB']->sql_free_result($res);
604 }
605 }
606 }
607 }
608 if (count($result) > 0) {
609 return $result;
610 } else {
611 return TRUE;
612 }
613 }
614
615 /**
616 * Returns list of tables in the database
617 *
618 * @return array List of tables.
619 * @see \TYPO3\CMS\Core\Database\DatabaseConnection::admin_get_tables()
620 */
621 public function getListOfTables() {
622 $whichTables = $GLOBALS['TYPO3_DB']->admin_get_tables(TYPO3_db);
623 foreach ($whichTables as $key => &$value) {
624 $value = $key;
625 }
626 unset($value);
627 return $whichTables;
628 }
629 }