3.3.9.1 release
[phpmyadmin/madhuracj.git] / db_qbe.php
blob04a7e554d1a8c86ff5ceff06cae83e36c2550132
1 <?php
2 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 /**
4 * query by example the whole database
6 * @version $Id$
7 * @package phpMyAdmin
8 */
10 /**
11 * requirements
13 require_once './libraries/common.inc.php';
14 require_once './libraries/Table.class.php';
15 require_once './libraries/relation.lib.php';
18 /**
19 * Gets the relation settings
21 $cfgRelation = PMA_getRelationsParam();
24 /**
25 * A query has been submitted -> execute it, else display the headers
27 if (isset($_REQUEST['submit_sql']) && ! empty($sql_query)) {
28 $goto = 'db_sql.php';
29 $zero_rows = htmlspecialchars($GLOBALS['strSuccess']);
30 require './sql.php';
31 exit;
32 } else {
33 $sub_part = '_qbe';
34 require './libraries/db_common.inc.php';
35 $url_query .= '&amp;goto=db_qbe.php';
36 $url_params['goto'] = 'db_qbe.php';
37 require './libraries/db_info.inc.php';
40 if (isset($_REQUEST['submit_sql'])
41 && ! preg_match('@^SELECT@i', $sql_query)) {
42 PMA_Message::warning('strHaveToShow')->display();
46 /**
47 * Initialize some variables
49 $col_cnt = PMA_ifSetOr($_REQUEST['col_cnt'], 3, 'numeric');
50 $add_col = PMA_ifSetOr($_REQUEST['add_col'], 0, 'numeric');
51 $add_row = PMA_ifSetOr($_REQUEST['add_row'], 0, 'numeric');
53 $rows = PMA_ifSetOr($_REQUEST['rows'], 0, 'numeric');
54 $ins_col = PMA_ifSetOr($_REQUEST['ins_col'], null, 'array');
55 $del_col = PMA_ifSetOr($_REQUEST['del_col'], null, 'array');
57 $prev_criteria = isset($_REQUEST['prev_criteria'])
58 ? $_REQUEST['prev_criteria']
59 : array();
60 $criteria = isset($_REQUEST['criteria'])
61 ? $_REQUEST['criteria']
62 : array_fill(0, $col_cnt, '');
64 $ins_row = isset($_REQUEST['ins_row'])
65 ? $_REQUEST['ins_row']
66 : array_fill(0, $col_cnt, '');
67 $del_row = isset($_REQUEST['del_row'])
68 ? $_REQUEST['del_row']
69 : array_fill(0, $col_cnt, '');
70 $and_or_row = isset($_REQUEST['and_or_row'])
71 ? $_REQUEST['and_or_row']
72 : array_fill(0, $col_cnt, '');
73 $and_or_col = isset($_REQUEST['and_or_col'])
74 ? $_REQUEST['and_or_col']
75 : array_fill(0, $col_cnt, '');
77 // minimum width
78 $form_column_width = 12;
79 $col = max($col_cnt + $add_col, 0);
80 $row = max($rows + $add_row, 0);
83 // The tables list sent by a previously submitted form
84 if (PMA_isValid($_REQUEST['TableList'], 'array')) {
85 foreach ($_REQUEST['TableList'] as $each_table) {
86 $tbl_names[$each_table] = ' selected="selected"';
88 } // end if
91 // this was a work in progress, deactivated for now
92 //$columns = PMA_DBI_get_columns_full($GLOBALS['db']);
93 //$tables = PMA_DBI_get_columns_full($GLOBALS['db']);
96 /**
97 * Prepares the form
99 $tbl_result = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($db) . ';', null, PMA_DBI_QUERY_STORE);
100 $tbl_result_cnt = PMA_DBI_num_rows($tbl_result);
101 if (0 == $tbl_result_cnt) {
102 PMA_Message::error('strNoTablesFound')->display();
103 require_once './libraries/footer.inc.php';
104 exit;
107 // The tables list gets from MySQL
108 while (list($tbl) = PMA_DBI_fetch_row($tbl_result)) {
109 $fld_results = PMA_DBI_get_fields($db, $tbl);
111 if (empty($tbl_names[$tbl]) && !empty($_REQUEST['TableList'])) {
112 $tbl_names[$tbl] = '';
113 } else {
114 $tbl_names[$tbl] = ' selected="selected"';
115 } // end if
117 // The fields list per selected tables
118 if ($tbl_names[$tbl] == ' selected="selected"') {
119 $each_table = PMA_backquote($tbl);
120 $fld[] = $each_table . '.*';
121 foreach ($fld_results as $each_field) {
122 $each_field = $each_table . '.' . PMA_backquote($each_field['Field']);
123 $fld[] = $each_field;
125 // increase the width if necessary
126 $form_column_width = max(strlen($each_field), $form_column_width);
127 } // end foreach
128 } // end if
129 } // end while
130 PMA_DBI_free_result($tbl_result);
132 // largest width found
133 $realwidth = $form_column_width . 'ex';
137 * Displays the Query by example form
141 * Enter description here...
143 * @param array $columns
144 * @param numeric $column_number
145 * @param string $selected
147 function showColumnSelectCell($columns, $column_number, $selected = '')
150 <td align="center">
151 <select name="Field[<?php echo $column_number; ?>]" size="1">
152 <option value="">&nbsp;</option>
153 <?php
154 foreach ($columns as $column) {
155 if ($column === $selected) {
156 $sel = ' selected="selected"';
157 } else {
158 $sel = '';
160 echo '<option value="' . htmlspecialchars($column) . '"' . $sel . '>'
161 . str_replace(' ', '&nbsp;', htmlspecialchars($column)) . '</option>' . "\n";
164 </select>
165 </td>
166 <?php
170 <form action="db_qbe.php" method="post">
171 <fieldset>
172 <table class="data" style="width: 100%;">
173 <tr class="odd noclick">
174 <th><?php echo $strField; ?>:</th>
175 <?php
176 $z = 0;
177 for ($x = 0; $x < $col; $x++) {
178 if (isset($ins_col[$x]) && $ins_col[$x] == 'on') {
179 showColumnSelectCell($fld, $z);
180 $z++;
183 if (! empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
184 continue;
187 $selected = '';
188 if (isset($Field[$x])) {
189 $selected = $Field[$x];
190 $curField[$z] = $Field[$x];
192 showColumnSelectCell($fld, $z, $selected);
193 $z++;
194 } // end for
196 </tr>
198 <!-- Sort row -->
199 <tr class="even noclick">
200 <th><?php echo $strSort; ?>:</th>
201 <?php
202 $z = 0;
203 for ($x = 0; $x < $col; $x++) {
204 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
206 <td align="center">
207 <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1">
208 <option value="">&nbsp;</option>
209 <option value="ASC"><?php echo $strAscending; ?></option>
210 <option value="DESC"><?php echo $strDescending; ?></option>
211 </select>
212 </td>
213 <?php
214 $z++;
215 } // end if
216 echo "\n";
218 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
219 continue;
222 <td align="center">
223 <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1">
224 <option value="">&nbsp;</option>
225 <?php
226 echo "\n";
228 // If they have chosen all fields using the * selector,
229 // then sorting is not available
230 // Robbat2 - Fix for Bug #570698
231 if (isset($Sort[$x]) && isset($Field[$x])
232 && substr($Field[$x], -2) == '.*') {
233 $Sort[$x] = '';
234 } //end if
236 if (isset($Sort[$x]) && $Sort[$x] == 'ASC') {
237 $curSort[$z] = $Sort[$x];
238 $sel = ' selected="selected"';
239 } else {
240 $sel = '';
241 } // end if
242 echo ' ';
243 echo '<option value="ASC"' . $sel . '>' . $strAscending . '</option>' . "\n";
244 if (isset($Sort[$x]) && $Sort[$x] == 'DESC') {
245 $curSort[$z] = $Sort[$x];
246 $sel = ' selected="selected"';
247 } else {
248 $sel = '';
249 } // end if
250 echo ' ';
251 echo '<option value="DESC"' . $sel . '>' . $strDescending . '</option>' . "\n";
253 </select>
254 </td>
255 <?php
256 $z++;
257 echo "\n";
258 } // end for
260 </tr>
262 <!-- Show row -->
263 <tr class="odd noclick">
264 <th><?php echo $strShow; ?>:</th>
265 <?php
266 $z = 0;
267 for ($x = 0; $x < $col; $x++) {
268 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
270 <td align="center">
271 <input type="checkbox" name="Show[<?php echo $z; ?>]" />
272 </td>
273 <?php
274 $z++;
275 } // end if
276 echo "\n";
278 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
279 continue;
281 if (isset($Show[$x])) {
282 $checked = ' checked="checked"';
283 $curShow[$z] = $Show[$x];
284 } else {
285 $checked = '';
288 <td align="center">
289 <input type="checkbox" name="Show[<?php echo $z; ?>]"<?php echo $checked; ?> />
290 </td>
291 <?php
292 $z++;
293 echo "\n";
294 } // end for
296 </tr>
298 <!-- Criteria row -->
299 <tr class="even noclick">
300 <th><?php echo $strCriteria; ?>:</th>
301 <?php
302 $z = 0;
303 for ($x = 0; $x < $col; $x++) {
304 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
306 <td align="center">
307 <input type="text" name="criteria[<?php echo $z; ?>]" value="" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
308 </td>
309 <?php
310 $z++;
311 } // end if
312 echo "\n";
314 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
315 continue;
317 if (isset($criteria[$x])) {
318 $stripped_Criteria = $criteria[$x];
320 if ((empty($prev_criteria) || !isset($prev_criteria[$x]))
321 || $prev_criteria[$x] != htmlspecialchars($stripped_Criteria)) {
322 $curCriteria[$z] = $stripped_Criteria;
323 } else {
324 $curCriteria[$z] = $prev_criteria[$x];
327 <td align="center">
328 <input type="hidden" name="prev_criteria[<?php echo $z; ?>]" value="<?php echo htmlspecialchars($curCriteria[$z]); ?>" />
329 <input type="text" name="criteria[<?php echo $z; ?>]" value="<?php echo htmlspecialchars($stripped_Criteria); ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
330 </td>
331 <?php
332 $z++;
333 echo "\n";
334 } // end for
336 </tr>
338 <!-- And/Or columns and rows -->
339 <?php
340 $w = 0;
341 $odd_row = true;
342 for ($y = 0; $y <= $row; $y++) {
343 if (isset($ins_row[$y]) && $ins_row[$y] == 'on') {
344 $chk['or'] = ' checked="checked"';
345 $chk['and'] = '';
347 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
348 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
349 <!-- Row controls -->
350 <table cellpadding="0" cellspacing="0" border="0">
351 <tr>
352 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
353 <small><?php echo $strQBEIns; ?>:</small>
354 <input type="checkbox" name="ins_row[<?php echo $w; ?>]" />
355 </td>
356 <td align="<?php echo $cell_align_right; ?>">
357 <strong><?php echo $strAnd; ?>:</strong>
358 </td>
359 <td>
360 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> />
361 &nbsp;
362 </td>
363 </tr>
364 <tr>
365 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
366 <small><?php echo $strQBEDel; ?>:</small>
367 <input type="checkbox" name="del_row[<?php echo $w; ?>]" />
368 </td>
369 <td align="<?php echo $cell_align_right; ?>">
370 <strong><?php echo $strOr; ?>:</strong>
371 </td>
372 <td>
373 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> />
374 &nbsp;
375 </td>
376 </tr>
377 </table>
378 </td>
379 <?php
380 $z = 0;
381 for ($x = 0; $x < $col; $x++) {
382 if (isset($ins_col[$x]) && $ins_col[$x] == 'on') {
383 echo "\n";
384 $or = 'Or' . $w . '[' . $z . ']';
386 <td align="center">
387 <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="<?php echo $or; ?>" dir="<?php echo $text_dir; ?>"></textarea>
388 </td>
389 <?php
390 $z++;
391 } // end if
392 if (isset($del_col[$x]) && $del_col[$x] == 'on') {
393 continue;
396 echo "\n";
397 $or = 'Or' . $w . '[' . $z . ']';
399 <td align="center">
400 <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="<?php echo $or; ?>" dir="<?php echo $text_dir; ?>"></textarea>
401 </td>
402 <?php
403 $z++;
404 } // end for
405 $w++;
406 echo "\n";
408 </tr>
409 <?php
410 $odd_row =! $odd_row;
411 } // end if
413 if (isset($del_row[$y]) && $del_row[$y] == 'on') {
414 continue;
417 if (isset($and_or_row[$y])) {
418 $curAndOrRow[$w] = $and_or_row[$y];
420 if (isset($and_or_row[$y]) && $and_or_row[$y] == 'and') {
421 $chk['and'] = ' checked="checked"';
422 $chk['or'] = '';
423 } else {
424 $chk['or'] = ' checked="checked"';
425 $chk['and'] = '';
427 echo "\n";
429 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
430 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
431 <!-- Row controls -->
432 <table border="0" cellpadding="0" cellspacing="0">
433 <tr>
434 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
435 <small><?php echo $strQBEIns; ?>:</small>
436 <input type="checkbox" name="ins_row[<?php echo $w; ?>]" />
437 </td>
438 <td align="<?php echo $cell_align_right; ?>">
439 <strong><?php echo $strAnd; ?>:</strong>
440 </td>
441 <td>
442 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> />
443 </td>
444 </tr>
445 <tr>
446 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
447 <small><?php echo $strQBEDel; ?>:</small>
448 <input type="checkbox" name="del_row[<?php echo $w; ?>]" />
449 </td>
450 <td align="<?php echo $cell_align_right; ?>">
451 <strong><?php echo $strOr; ?>:</strong>
452 </td>
453 <td>
454 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> />
455 </td>
456 </tr>
457 </table>
458 </td>
459 <?php
460 $z = 0;
461 for ($x = 0; $x < $col; $x++) {
462 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
463 echo "\n";
464 $or = 'Or' . $w . '[' . $z . ']';
466 <td align="center">
467 <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="<?php echo $or; ?>" dir="<?php echo $text_dir; ?>"></textarea>
468 </td>
469 <?php
470 $z++;
471 } // end if
472 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
473 continue;
476 echo "\n";
477 $or = 'Or' . $y;
478 if (!isset(${$or})) {
479 ${$or} = '';
481 if (!empty(${$or}) && isset(${$or}[$x])) {
482 $stripped_or = ${$or}[$x];
483 } else {
484 $stripped_or = '';
487 <td align="center">
488 <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="Or<?php echo $w . '[' . $z . ']'; ?>" dir="<?php echo $text_dir; ?>"><?php echo htmlspecialchars($stripped_or); ?></textarea>
489 </td>
490 <?php
491 if (!empty(${$or}) && isset(${$or}[$x])) {
492 ${'cur' . $or}[$z] = ${$or}[$x];
494 $z++;
495 } // end for
496 $w++;
497 echo "\n";
499 </tr>
500 <?php
501 echo "\n";
502 $odd_row =! $odd_row;
503 } // end for
505 <!-- Modify columns -->
506 <tr class="even noclick">
507 <th><?php echo $strModify; ?>:</th>
508 <?php
509 $z = 0;
510 for ($x = 0; $x < $col; $x++) {
511 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
512 $curAndOrCol[$z] = $and_or_col[$y];
513 if ($and_or_col[$z] == 'or') {
514 $chk['or'] = ' checked="checked"';
515 $chk['and'] = '';
516 } else {
517 $chk['and'] = ' checked="checked"';
518 $chk['or'] = '';
521 <td align="center">
522 <strong><?php echo $strOr; ?>:</strong>
523 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="or"<?php echo $chk['or']; ?> />
524 &nbsp;&nbsp;<strong><?php echo $strAnd; ?>:</strong>
525 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="and"<?php echo $chk['and']; ?> />
526 <br />
527 <?php echo $strQBEIns . "\n"; ?>
528 <input type="checkbox" name="ins_col[<?php echo $z; ?>]" />
529 &nbsp;&nbsp;<?php echo $strQBEDel . "\n"; ?>
530 <input type="checkbox" name="del_col[<?php echo $z; ?>]" />
531 </td>
532 <?php
533 $z++;
534 } // end if
535 echo "\n";
537 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
538 continue;
541 if (isset($and_or_col[$y])) {
542 $curAndOrCol[$z] = $and_or_col[$y];
544 if (isset($and_or_col[$z]) && $and_or_col[$z] == 'or') {
545 $chk['or'] = ' checked="checked"';
546 $chk['and'] = '';
547 } else {
548 $chk['and'] = ' checked="checked"';
549 $chk['or'] = '';
552 <td align="center">
553 <strong><?php echo $strOr; ?>:</strong>
554 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="or"<?php echo $chk['or']; ?> />
555 &nbsp;&nbsp;<strong><?php echo $strAnd; ?>:</strong>
556 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="and"<?php echo $chk['and']; ?> />
557 <br />
558 <?php echo $strQBEIns . "\n"; ?>
559 <input type="checkbox" name="ins_col[<?php echo $z; ?>]" />
560 &nbsp;&nbsp;<?php echo $strQBEDel . "\n"; ?>
561 <input type="checkbox" name="del_col[<?php echo $z; ?>]" />
562 </td>
563 <?php
564 $z++;
565 echo "\n";
566 } // end for
568 </tr>
569 </table>
571 <!-- Other controls -->
572 <?php
573 $w--;
574 $url_params['db'] = $db;
575 $url_params['col_cnt'] = $z;
576 $url_params['rows'] = $w;
577 echo PMA_generate_common_hidden_inputs($url_params);
579 </fieldset>
580 <fieldset class="tblFooters">
581 <table border="0" cellpadding="2" cellspacing="1">
582 <tr>
583 <td nowrap="nowrap">
584 <?php echo $strAddDeleteRow; ?>:
585 <select size="1" name="add_row" style="vertical-align: middle">
586 <option value="-3">-3</option>
587 <option value="-2">-2</option>
588 <option value="-1">-1</option>
589 <option value="0" selected="selected">0</option>
590 <option value="1">1</option>
591 <option value="2">2</option>
592 <option value="3">3</option>
593 </select>
594 </td>
595 <td width="10">&nbsp;</td>
596 <td nowrap="nowrap"><?php echo $strAddDeleteColumn; ?>:
597 <select size="1" name="add_col" style="vertical-align: middle">
598 <option value="-3">-3</option>
599 <option value="-2">-2</option>
600 <option value="-1">-1</option>
601 <option value="0" selected="selected">0</option>
602 <option value="1">1</option>
603 <option value="2">2</option>
604 <option value="3">3</option>
605 </select>
606 </td>
607 <td width="10">&nbsp;</td>
608 <!-- Generates a query -->
609 <td><input type="submit" name="modify" value="<?php echo $strUpdateQuery; ?>" /></td>
610 </tr>
611 </table>
612 </fieldset>
614 <table>
615 <tr><td>
616 <fieldset>
617 <legend><?php echo $strUseTables; ?></legend>
618 <?php
619 $strTableListOptions = '';
620 $numTableListOptions = 0;
621 foreach ($tbl_names as $key => $val) {
622 $strTableListOptions .= ' ';
623 $strTableListOptions .= '<option value="' . htmlspecialchars($key) . '"' . $val . '>'
624 . str_replace(' ', '&nbsp;', htmlspecialchars($key)) . '</option>' . "\n";
625 $numTableListOptions++;
628 <select name="TableList[]" multiple="multiple" id="listTable"
629 size="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>">
630 <?php echo $strTableListOptions; ?>
631 </select>
632 </fieldset>
633 <fieldset class="tblFooters">
634 <input type="submit" name="modify" value="<?php echo $strUpdateQuery; ?>" />
635 </fieldset>
636 </td>
637 <td width="20">&nbsp;</td>
638 <td>
639 <fieldset>
640 <legend><?php echo sprintf($strQueryOnDb, PMA_getDbLink($db)); ?>
641 </legend>
642 <textarea cols="80" name="sql_query" id="textSqlquery"
643 rows="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>"
644 dir="<?php echo $text_dir; ?>">
645 <?php
646 // 1. SELECT
647 $last_select = 0;
648 if (!isset($qry_select)) {
649 $qry_select = '';
651 for ($x = 0; $x < $col; $x++) {
652 if (!empty($curField[$x]) && isset($curShow[$x]) && $curShow[$x] == 'on') {
653 if ($last_select) {
654 $qry_select .= ', ';
656 $qry_select .= $curField[$x];
657 $last_select = 1;
659 } // end for
660 if (!empty($qry_select)) {
661 echo 'SELECT ' . htmlspecialchars($qry_select) . "\n";
664 // 2. FROM
666 // Create LEFT JOINS out of Relations
667 // Code originally by Mike Beck <mike.beck@ibmiller.de>
668 // If we can use Relations we could make some left joins.
669 // First find out if relations are available in this database.
671 // First we need the really needed Tables - those in TableList might still be
672 // all Tables.
673 if (isset($Field) && count($Field) > 0) {
674 // Initialize some variables
675 $tab_all = array();
676 $col_all = array();
677 $tab_wher = array();
678 $tab_know = array();
679 $tab_left = array();
680 $col_where = array();
681 $fromclause = '';
683 // We only start this if we have fields, otherwise it would be dumb
684 foreach ($Field as $value) {
685 $parts = explode('.', $value);
686 if (!empty($parts[0]) && !empty($parts[1])) {
687 $tab_raw = $parts[0];
688 $tab = str_replace('`', '', $tab_raw);
689 $tab_all[$tab] = $tab;
691 $col_raw = $parts[1];
692 $col_all[] = $tab . '.' . str_replace('`', '', $col_raw);
694 } // end while
696 // Check 'where' clauses
697 if ($cfgRelation['relwork'] && count($tab_all) > 0) {
698 // Now we need all tables that we have in the where clause
699 $crit_cnt = count($criteria);
700 for ($x = 0; $x < $crit_cnt; $x++) {
701 $curr_tab = explode('.', $Field[$x]);
702 if (!empty($curr_tab[0]) && !empty($curr_tab[1])) {
703 $tab_raw = $curr_tab[0];
704 $tab = str_replace('`', '', $tab_raw);
706 $col_raw = $curr_tab[1];
707 $col1 = str_replace('`', '', $col_raw);
708 $col1 = $tab . '.' . $col1;
709 // Now we know that our array has the same numbers as $criteria
710 // we can check which of our columns has a where clause
711 if (!empty($criteria[$x])) {
712 if (substr($criteria[$x], 0, 1) == '=' || stristr($criteria[$x], 'is')) {
713 $col_where[$col] = $col1;
714 $tab_wher[$tab] = $tab;
716 } // end if
717 } // end if
718 } // end for
720 // Cleans temp vars w/o further use
721 unset($tab_raw);
722 unset($col_raw);
723 unset($col1);
725 if (count($tab_wher) == 1) {
726 // If there is exactly one column that has a decent where-clause
727 // we will just use this
728 $master = key($tab_wher);
729 } else {
730 // Now let's find out which of the tables has an index
731 // (When the control user is the same as the normal user
732 // because he is using one of his databases as pmadb,
733 // the last db selected is not always the one where we need to work)
734 PMA_DBI_select_db($db);
736 foreach ($tab_all as $tab) {
737 $ind_rs = PMA_DBI_query('SHOW INDEX FROM ' . PMA_backquote($tab) . ';');
738 while ($ind = PMA_DBI_fetch_assoc($ind_rs)) {
739 $col1 = $tab . '.' . $ind['Column_name'];
740 if (isset($col_all[$col1])) {
741 if ($ind['non_unique'] == 0) {
742 if (isset($col_where[$col1])) {
743 $col_unique[$col1] = 'Y';
744 } else {
745 $col_unique[$col1] = 'N';
747 } else {
748 if (isset($col_where[$col1])) {
749 $col_index[$col1] = 'Y';
750 } else {
751 $col_index[$col1] = 'N';
755 } // end while (each col of tab)
756 } // end while (each tab)
757 // now we want to find the best.
758 if (isset($col_unique) && count($col_unique) > 0) {
759 $col_cand = $col_unique;
760 $needsort = 1;
761 } elseif (isset($col_index) && count($col_index) > 0) {
762 $col_cand = $col_index;
763 $needsort = 1;
764 } elseif (isset($col_where) && count($col_where) > 0) {
765 $col_cand = $tab_wher;
766 $needsort = 0;
767 } else {
768 $col_cand = $tab_all;
769 $needsort = 0;
772 // If we came up with $col_unique (very good) or $col_index (still
773 // good) as $col_cand we want to check if we have any 'Y' there
774 // (that would mean that they were also found in the whereclauses
775 // which would be great). if yes, we take only those
776 if ($needsort == 1) {
777 foreach ($col_cand as $col => $is_where) {
778 $tab = explode('.', $col);
779 $tab = $tab[0];
780 if ($is_where == 'Y') {
781 $vg[$col] = $tab;
782 } else {
783 $sg[$col] = $tab;
786 if (isset($vg)) {
787 $col_cand = $vg;
788 // Candidates restricted in index+where
789 } else {
790 $col_cand = $sg;
791 // None of the candidates where in a where-clause
795 // If our array of candidates has more than one member we'll just
796 // find the smallest table.
797 // Of course the actual query would be faster if we check for
798 // the Criteria which gives the smallest result set in its table,
799 // but it would take too much time to check this
800 if (count($col_cand) > 1) {
801 // Of course we only want to check each table once
802 $checked_tables = $col_cand;
803 foreach ($col_cand as $tab) {
804 if ($checked_tables[$tab] != 1) {
805 $tsize[$tab] = PMA_Table::countRecords($db, $tab, false);
806 $checked_tables[$tab] = 1;
808 $csize[$tab] = $tsize[$tab];
810 asort($csize);
811 reset($csize);
812 $master = key($csize); // Smallest
813 } else {
814 reset($col_cand);
815 $master = current($col_cand); // Only one single candidate
817 } // end if (exactly one where clause)
819 $tab_left = $tab_all;
820 unset($tab_left[$master]);
821 $tab_know[$master] = $master;
823 $run = 0;
824 $emerg = '';
825 while (count($tab_left) > 0) {
826 if ($run % 2 == 0) {
827 PMA_getRelatives('master');
828 } else {
829 PMA_getRelatives('foreign');
831 $run++;
832 if ($run > 5) {
834 foreach ($tab_left as $tab) {
835 $emerg .= ', ' . PMA_backquote($tab);
836 unset($tab_left[$tab]);
839 } // end while
840 $qry_from = PMA_backquote($master) . $emerg . $fromclause;
841 } // end if ($cfgRelation['relwork'] && count($tab_all) > 0)
843 } // end count($Field) > 0
845 // In case relations are not defined, just generate the FROM clause
846 // from the list of tables, however we don't generate any JOIN
848 if (empty($qry_from) && isset($tab_all)) {
849 $qry_from = implode(', ', $tab_all);
851 // Now let's see what we got
852 if (!empty($qry_from)) {
853 echo 'FROM ' . htmlspecialchars($qry_from) . "\n";
856 // 3. WHERE
857 $qry_where = '';
858 $criteria_cnt = 0;
859 for ($x = 0; $x < $col; $x++) {
860 if (!empty($curField[$x]) && !empty($curCriteria[$x]) && $x && isset($last_where) && isset($curAndOrCol)) {
861 $qry_where .= ' ' . strtoupper($curAndOrCol[$last_where]) . ' ';
863 if (!empty($curField[$x]) && !empty($curCriteria[$x])) {
864 $qry_where .= '(' . $curField[$x] . ' ' . $curCriteria[$x] . ')';
865 $last_where = $x;
866 $criteria_cnt++;
868 } // end for
869 if ($criteria_cnt > 1) {
870 $qry_where = '(' . $qry_where . ')';
872 // OR rows ${'cur' . $or}[$x]
873 if (!isset($curAndOrRow)) {
874 $curAndOrRow = array();
876 for ($y = 0; $y <= $row; $y++) {
877 $criteria_cnt = 0;
878 $qry_orwhere = '';
879 $last_orwhere = '';
880 for ($x = 0; $x < $col; $x++) {
881 if (!empty($curField[$x]) && !empty(${'curOr' . $y}[$x]) && $x) {
882 $qry_orwhere .= ' ' . strtoupper($curAndOrCol[$last_orwhere]) . ' ';
884 if (!empty($curField[$x]) && !empty(${'curOr' . $y}[$x])) {
885 $qry_orwhere .= '(' . $curField[$x]
886 . ' '
887 . ${'curOr' . $y}[$x]
888 . ')';
889 $last_orwhere = $x;
890 $criteria_cnt++;
892 } // end for
893 if ($criteria_cnt > 1) {
894 $qry_orwhere = '(' . $qry_orwhere . ')';
896 if (!empty($qry_orwhere)) {
897 $qry_where .= "\n"
898 . strtoupper(isset($curAndOrRow[$y]) ? $curAndOrRow[$y] . ' ' : '')
899 . $qry_orwhere;
900 } // end if
901 } // end for
903 if (!empty($qry_where) && $qry_where != '()') {
904 echo 'WHERE ' . htmlspecialchars($qry_where) . "\n";
905 } // end if
908 // 4. ORDER BY
909 $last_orderby = 0;
910 if (!isset($qry_orderby)) {
911 $qry_orderby = '';
913 for ($x = 0; $x < $col; $x++) {
914 if ($last_orderby && $x && !empty($curField[$x]) && !empty($curSort[$x])) {
915 $qry_orderby .= ', ';
917 if (!empty($curField[$x]) && !empty($curSort[$x])) {
918 // if they have chosen all fields using the * selector,
919 // then sorting is not available
920 // Robbat2 - Fix for Bug #570698
921 if (substr($curField[$x], -2) != '.*') {
922 $qry_orderby .= $curField[$x] . ' ' . $curSort[$x];
923 $last_orderby = 1;
926 } // end for
927 if (!empty($qry_orderby)) {
928 echo 'ORDER BY ' . htmlspecialchars($qry_orderby) . "\n";
931 </textarea>
932 </fieldset>
933 <fieldset class="tblFooters">
934 <input type="submit" name="submit_sql" value="<?php echo $strRunQuery; ?>" />
935 </fieldset>
936 </td>
937 </tr>
938 </table>
939 </form>
940 <?php
942 * Displays the footer
944 require_once './libraries/footer.inc.php';