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[phpmyadmin-themes.git] / db_qbe.php
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1 <?php
2 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 /**
4 * query by example the whole database
6 * @package phpMyAdmin
7 */
9 /**
10 * requirements
12 require_once './libraries/common.inc.php';
14 /**
15 * Gets the relation settings
17 $cfgRelation = PMA_getRelationsParam();
20 /**
21 * A query has been submitted -> execute it, else display the headers
23 if (isset($_REQUEST['submit_sql']) && ! empty($sql_query)) {
24 $goto = 'db_sql.php';
25 $message_to_show = htmlspecialchars(__('Your SQL query has been executed successfully'));
26 require './sql.php';
27 exit;
28 } else {
29 $sub_part = '_qbe';
30 require './libraries/db_common.inc.php';
31 $url_query .= '&amp;goto=db_qbe.php';
32 $url_params['goto'] = 'db_qbe.php';
33 require './libraries/db_info.inc.php';
36 if (isset($_REQUEST['submit_sql'])
37 && ! preg_match('@^SELECT@i', $sql_query)) {
38 PMA_Message::warning(__('You have to choose at least one column to display'))->display();
42 /**
43 * Initialize some variables
45 $col_cnt = PMA_ifSetOr($_REQUEST['col_cnt'], 3, 'numeric');
46 $add_col = PMA_ifSetOr($_REQUEST['add_col'], 0, 'numeric');
47 $add_row = PMA_ifSetOr($_REQUEST['add_row'], 0, 'numeric');
49 $rows = PMA_ifSetOr($_REQUEST['rows'], 0, 'numeric');
50 $ins_col = PMA_ifSetOr($_REQUEST['ins_col'], null, 'array');
51 $del_col = PMA_ifSetOr($_REQUEST['del_col'], null, 'array');
53 $prev_criteria = isset($_REQUEST['prev_criteria'])
54 ? $_REQUEST['prev_criteria']
55 : array();
56 $criteria = isset($_REQUEST['criteria'])
57 ? $_REQUEST['criteria']
58 : array_fill(0, $col_cnt, '');
60 $ins_row = isset($_REQUEST['ins_row'])
61 ? $_REQUEST['ins_row']
62 : array_fill(0, $col_cnt, '');
63 $del_row = isset($_REQUEST['del_row'])
64 ? $_REQUEST['del_row']
65 : array_fill(0, $col_cnt, '');
66 $and_or_row = isset($_REQUEST['and_or_row'])
67 ? $_REQUEST['and_or_row']
68 : array_fill(0, $col_cnt, '');
69 $and_or_col = isset($_REQUEST['and_or_col'])
70 ? $_REQUEST['and_or_col']
71 : array_fill(0, $col_cnt, '');
73 // minimum width
74 $form_column_width = 12;
75 $col = max($col_cnt + $add_col, 0);
76 $row = max($rows + $add_row, 0);
79 // The tables list sent by a previously submitted form
80 if (PMA_isValid($_REQUEST['TableList'], 'array')) {
81 foreach ($_REQUEST['TableList'] as $each_table) {
82 $tbl_names[$each_table] = ' selected="selected"';
84 } // end if
87 // this was a work in progress, deactivated for now
88 //$columns = PMA_DBI_get_columns_full($GLOBALS['db']);
89 //$tables = PMA_DBI_get_columns_full($GLOBALS['db']);
92 /**
93 * Prepares the form
95 $tbl_result = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($db) . ';', null, PMA_DBI_QUERY_STORE);
96 $tbl_result_cnt = PMA_DBI_num_rows($tbl_result);
97 if (0 == $tbl_result_cnt) {
98 PMA_Message::error(__('No tables found in database.'))->display();
99 require './libraries/footer.inc.php';
100 exit;
103 // The tables list gets from MySQL
104 while (list($tbl) = PMA_DBI_fetch_row($tbl_result)) {
105 $fld_results = PMA_DBI_get_fields($db, $tbl);
107 if (empty($tbl_names[$tbl]) && !empty($_REQUEST['TableList'])) {
108 $tbl_names[$tbl] = '';
109 } else {
110 $tbl_names[$tbl] = ' selected="selected"';
111 } // end if
113 // The fields list per selected tables
114 if ($tbl_names[$tbl] == ' selected="selected"') {
115 $each_table = PMA_backquote($tbl);
116 $fld[] = $each_table . '.*';
117 foreach ($fld_results as $each_field) {
118 $each_field = $each_table . '.' . PMA_backquote($each_field['Field']);
119 $fld[] = $each_field;
121 // increase the width if necessary
122 $form_column_width = max(strlen($each_field), $form_column_width);
123 } // end foreach
124 } // end if
125 } // end while
126 PMA_DBI_free_result($tbl_result);
128 // largest width found
129 $realwidth = $form_column_width . 'ex';
133 * Displays the Query by example form
137 * Enter description here...
139 * @param array $columns
140 * @param integer $column_number
141 * @param string $selected
143 function showColumnSelectCell($columns, $column_number, $selected = '')
146 <td align="center">
147 <select name="Field[<?php echo $column_number; ?>]" size="1">
148 <option value="">&nbsp;</option>
149 <?php
150 foreach ($columns as $column) {
151 if ($column === $selected) {
152 $sel = ' selected="selected"';
153 } else {
154 $sel = '';
156 echo '<option value="' . htmlspecialchars($column) . '"' . $sel . '>'
157 . str_replace(' ', '&nbsp;', htmlspecialchars($column)) . '</option>' . "\n";
160 </select>
161 </td>
162 <?php
166 <form action="db_qbe.php" method="post">
167 <fieldset>
168 <table class="data" style="width: 100%;">
169 <tr class="odd noclick">
170 <th><?php echo __('Column'); ?>:</th>
171 <?php
172 $z = 0;
173 for ($x = 0; $x < $col; $x++) {
174 if (isset($ins_col[$x]) && $ins_col[$x] == 'on') {
175 showColumnSelectCell($fld, $z);
176 $z++;
179 if (! empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
180 continue;
183 $selected = '';
184 if (isset($Field[$x])) {
185 $selected = $Field[$x];
186 $curField[$z] = $Field[$x];
188 showColumnSelectCell($fld, $z, $selected);
189 $z++;
190 } // end for
192 </tr>
194 <!-- Sort row -->
195 <tr class="even noclick">
196 <th><?php echo __('Sort'); ?>:</th>
197 <?php
198 $z = 0;
199 for ($x = 0; $x < $col; $x++) {
200 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
202 <td align="center">
203 <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1">
204 <option value="">&nbsp;</option>
205 <option value="ASC"><?php echo __('Ascending'); ?></option>
206 <option value="DESC"><?php echo __('Descending'); ?></option>
207 </select>
208 </td>
209 <?php
210 $z++;
211 } // end if
212 echo "\n";
214 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
215 continue;
218 <td align="center">
219 <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1">
220 <option value="">&nbsp;</option>
221 <?php
222 echo "\n";
224 // If they have chosen all fields using the * selector,
225 // then sorting is not available
226 // Robbat2 - Fix for Bug #570698
227 if (isset($Sort[$x]) && isset($Field[$x])
228 && substr($Field[$x], -2) == '.*') {
229 $Sort[$x] = '';
230 } //end if
232 if (isset($Sort[$x]) && $Sort[$x] == 'ASC') {
233 $curSort[$z] = $Sort[$x];
234 $sel = ' selected="selected"';
235 } else {
236 $sel = '';
237 } // end if
238 echo ' ';
239 echo '<option value="ASC"' . $sel . '>' . __('Ascending') . '</option>' . "\n";
240 if (isset($Sort[$x]) && $Sort[$x] == 'DESC') {
241 $curSort[$z] = $Sort[$x];
242 $sel = ' selected="selected"';
243 } else {
244 $sel = '';
245 } // end if
246 echo ' ';
247 echo '<option value="DESC"' . $sel . '>' . __('Descending') . '</option>' . "\n";
249 </select>
250 </td>
251 <?php
252 $z++;
253 echo "\n";
254 } // end for
256 </tr>
258 <!-- Show row -->
259 <tr class="odd noclick">
260 <th><?php echo __('Show'); ?>:</th>
261 <?php
262 $z = 0;
263 for ($x = 0; $x < $col; $x++) {
264 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
266 <td align="center">
267 <input type="checkbox" name="Show[<?php echo $z; ?>]" />
268 </td>
269 <?php
270 $z++;
271 } // end if
272 echo "\n";
274 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
275 continue;
277 if (isset($Show[$x])) {
278 $checked = ' checked="checked"';
279 $curShow[$z] = $Show[$x];
280 } else {
281 $checked = '';
284 <td align="center">
285 <input type="checkbox" name="Show[<?php echo $z; ?>]"<?php echo $checked; ?> />
286 </td>
287 <?php
288 $z++;
289 echo "\n";
290 } // end for
292 </tr>
294 <!-- Criteria row -->
295 <tr class="even noclick">
296 <th><?php echo __('Criteria'); ?>:</th>
297 <?php
298 $z = 0;
299 for ($x = 0; $x < $col; $x++) {
300 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
302 <td align="center">
303 <input type="text" name="criteria[<?php echo $z; ?>]" value="" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
304 </td>
305 <?php
306 $z++;
307 } // end if
308 echo "\n";
310 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
311 continue;
313 if (isset($criteria[$x])) {
314 $tmp_criteria = $criteria[$x];
316 if ((empty($prev_criteria) || !isset($prev_criteria[$x]))
317 || $prev_criteria[$x] != htmlspecialchars($tmp_criteria)) {
318 $curCriteria[$z] = $tmp_criteria;
319 } else {
320 $curCriteria[$z] = $prev_criteria[$x];
323 <td align="center">
324 <input type="hidden" name="prev_criteria[<?php echo $z; ?>]" value="<?php echo htmlspecialchars($curCriteria[$z]); ?>" />
325 <input type="text" name="criteria[<?php echo $z; ?>]" value="<?php echo htmlspecialchars($tmp_criteria); ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
326 </td>
327 <?php
328 $z++;
329 echo "\n";
330 } // end for
332 </tr>
334 <!-- And/Or columns and rows -->
335 <?php
336 $w = 0;
337 $odd_row = true;
338 for ($y = 0; $y <= $row; $y++) {
339 if (isset($ins_row[$y]) && $ins_row[$y] == 'on') {
340 $chk['or'] = ' checked="checked"';
341 $chk['and'] = '';
343 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
344 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
345 <!-- Row controls -->
346 <table cellpadding="0" cellspacing="0" border="0">
347 <tr>
348 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
349 <small><?php echo __('Ins'); ?>:</small>
350 <input type="checkbox" name="ins_row[<?php echo $w; ?>]" />
351 </td>
352 <td align="<?php echo $cell_align_right; ?>">
353 <strong><?php echo __('And'); ?>:</strong>
354 </td>
355 <td>
356 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> />
357 &nbsp;
358 </td>
359 </tr>
360 <tr>
361 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
362 <small><?php echo __('Del'); ?>:</small>
363 <input type="checkbox" name="del_row[<?php echo $w; ?>]" />
364 </td>
365 <td align="<?php echo $cell_align_right; ?>">
366 <strong><?php echo __('Or'); ?>:</strong>
367 </td>
368 <td>
369 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> />
370 &nbsp;
371 </td>
372 </tr>
373 </table>
374 </td>
375 <?php
376 $z = 0;
377 for ($x = 0; $x < $col; $x++) {
378 if (isset($ins_col[$x]) && $ins_col[$x] == 'on') {
379 echo "\n";
380 $or = 'Or' . $w . '[' . $z . ']';
382 <td align="center">
383 <input type="text" name="Or<?php echo $or; ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
384 </td>
385 <?php
386 $z++;
387 } // end if
388 if (isset($del_col[$x]) && $del_col[$x] == 'on') {
389 continue;
392 echo "\n";
393 $or = 'Or' . $w . '[' . $z . ']';
395 <td align="center">
396 <input type="text" name="Or<?php echo $or; ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
397 </td>
398 <?php
399 $z++;
400 } // end for
401 $w++;
402 echo "\n";
404 </tr>
405 <?php
406 $odd_row =! $odd_row;
407 } // end if
409 if (isset($del_row[$y]) && $del_row[$y] == 'on') {
410 continue;
413 if (isset($and_or_row[$y])) {
414 $curAndOrRow[$w] = $and_or_row[$y];
416 if (isset($and_or_row[$y]) && $and_or_row[$y] == 'and') {
417 $chk['and'] = ' checked="checked"';
418 $chk['or'] = '';
419 } else {
420 $chk['or'] = ' checked="checked"';
421 $chk['and'] = '';
423 echo "\n";
425 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
426 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
427 <!-- Row controls -->
428 <table border="0" cellpadding="0" cellspacing="0">
429 <tr>
430 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
431 <small><?php echo __('Ins'); ?>:</small>
432 <input type="checkbox" name="ins_row[<?php echo $w; ?>]" />
433 </td>
434 <td align="<?php echo $cell_align_right; ?>">
435 <strong><?php echo __('And'); ?>:</strong>
436 </td>
437 <td>
438 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> />
439 </td>
440 </tr>
441 <tr>
442 <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap">
443 <small><?php echo __('Del'); ?>:</small>
444 <input type="checkbox" name="del_row[<?php echo $w; ?>]" />
445 </td>
446 <td align="<?php echo $cell_align_right; ?>">
447 <strong><?php echo __('Or'); ?>:</strong>
448 </td>
449 <td>
450 <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> />
451 </td>
452 </tr>
453 </table>
454 </td>
455 <?php
456 $z = 0;
457 for ($x = 0; $x < $col; $x++) {
458 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
459 echo "\n";
460 $or = 'Or' . $w . '[' . $z . ']';
462 <td align="center">
463 <input type="text" name="Or<?php echo $or; ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
464 </td>
465 <?php
466 $z++;
467 } // end if
468 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
469 continue;
472 echo "\n";
473 $or = 'Or' . $y;
474 if (!isset(${$or})) {
475 ${$or} = '';
477 if (!empty(${$or}) && isset(${$or}[$x])) {
478 $tmp_or = ${$or}[$x];
479 } else {
480 $tmp_or = '';
483 <td align="center">
484 <input type="text" name="Or<?php echo $w . '[' . $z . ']'; ?>" value="<?php echo htmlspecialchars($tmp_or); ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" />
485 </td>
486 <?php
487 if (!empty(${$or}) && isset(${$or}[$x])) {
488 ${'cur' . $or}[$z] = ${$or}[$x];
490 $z++;
491 } // end for
492 $w++;
493 echo "\n";
495 </tr>
496 <?php
497 echo "\n";
498 $odd_row =! $odd_row;
499 } // end for
501 <!-- Modify columns -->
502 <tr class="even noclick">
503 <th><?php echo __('Modify'); ?>:</th>
504 <?php
505 $z = 0;
506 for ($x = 0; $x < $col; $x++) {
507 if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') {
508 $curAndOrCol[$z] = $and_or_col[$y];
509 if ($and_or_col[$z] == 'or') {
510 $chk['or'] = ' checked="checked"';
511 $chk['and'] = '';
512 } else {
513 $chk['and'] = ' checked="checked"';
514 $chk['or'] = '';
517 <td align="center">
518 <strong><?php echo __('Or'); ?>:</strong>
519 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="or"<?php echo $chk['or']; ?> />
520 &nbsp;&nbsp;<strong><?php echo __('And'); ?>:</strong>
521 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="and"<?php echo $chk['and']; ?> />
522 <br />
523 <?php echo __('Ins') . "\n"; ?>
524 <input type="checkbox" name="ins_col[<?php echo $z; ?>]" />
525 &nbsp;&nbsp;<?php echo __('Del') . "\n"; ?>
526 <input type="checkbox" name="del_col[<?php echo $z; ?>]" />
527 </td>
528 <?php
529 $z++;
530 } // end if
531 echo "\n";
533 if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') {
534 continue;
537 if (isset($and_or_col[$y])) {
538 $curAndOrCol[$z] = $and_or_col[$y];
540 if (isset($and_or_col[$z]) && $and_or_col[$z] == 'or') {
541 $chk['or'] = ' checked="checked"';
542 $chk['and'] = '';
543 } else {
544 $chk['and'] = ' checked="checked"';
545 $chk['or'] = '';
548 <td align="center">
549 <strong><?php echo __('Or'); ?>:</strong>
550 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="or"<?php echo $chk['or']; ?> />
551 &nbsp;&nbsp;<strong><?php echo __('And'); ?>:</strong>
552 <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="and"<?php echo $chk['and']; ?> />
553 <br />
554 <?php echo __('Ins') . "\n"; ?>
555 <input type="checkbox" name="ins_col[<?php echo $z; ?>]" />
556 &nbsp;&nbsp;<?php echo __('Del') . "\n"; ?>
557 <input type="checkbox" name="del_col[<?php echo $z; ?>]" />
558 </td>
559 <?php
560 $z++;
561 echo "\n";
562 } // end for
564 </tr>
565 </table>
567 <!-- Other controls -->
568 <?php
569 $w--;
570 $url_params['db'] = $db;
571 $url_params['col_cnt'] = $z;
572 $url_params['rows'] = $w;
573 echo PMA_generate_common_hidden_inputs($url_params);
575 </fieldset>
576 <fieldset class="tblFooters">
577 <table border="0" cellpadding="2" cellspacing="1">
578 <tr>
579 <td nowrap="nowrap">
580 <?php echo __('Add/Delete criteria rows'); ?>:
581 <select size="1" name="add_row">
582 <option value="-3">-3</option>
583 <option value="-2">-2</option>
584 <option value="-1">-1</option>
585 <option value="0" selected="selected">0</option>
586 <option value="1">1</option>
587 <option value="2">2</option>
588 <option value="3">3</option>
589 </select>
590 </td>
591 <td width="10">&nbsp;</td>
592 <td nowrap="nowrap"><?php echo __('Add/Delete columns'); ?>:
593 <select size="1" name="add_col">
594 <option value="-3">-3</option>
595 <option value="-2">-2</option>
596 <option value="-1">-1</option>
597 <option value="0" selected="selected">0</option>
598 <option value="1">1</option>
599 <option value="2">2</option>
600 <option value="3">3</option>
601 </select>
602 </td>
603 <td width="10">&nbsp;</td>
604 <!-- Generates a query -->
605 <td><input type="submit" name="modify" value="<?php echo __('Update Query'); ?>" /></td>
606 </tr>
607 </table>
608 </fieldset>
610 <table>
611 <tr><td>
612 <fieldset>
613 <legend><?php echo __('Use Tables'); ?></legend>
614 <?php
615 $options = '';
616 $numTableListOptions = 0;
617 foreach ($tbl_names as $key => $val) {
618 $options .= ' ';
619 $options .= '<option value="' . htmlspecialchars($key) . '"' . $val . '>'
620 . str_replace(' ', '&nbsp;', htmlspecialchars($key)) . '</option>' . "\n";
621 $numTableListOptions++;
624 <select name="TableList[]" multiple="multiple" id="listTable"
625 size="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>">
626 <?php echo $options; ?>
627 </select>
628 </fieldset>
629 <fieldset class="tblFooters">
630 <input type="submit" name="modify" value="<?php echo __('Update Query'); ?>" />
631 </fieldset>
632 </td>
633 <td width="20">&nbsp;</td>
634 <td>
635 <fieldset>
636 <legend><?php echo sprintf(__('SQL query on database <b>%s</b>:'), PMA_getDbLink($db)); ?>
637 </legend>
638 <textarea cols="80" name="sql_query" id="textSqlquery"
639 rows="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>"
640 dir="<?php echo $text_dir; ?>">
641 <?php
642 // 1. SELECT
643 $last_select = 0;
644 if (!isset($qry_select)) {
645 $qry_select = '';
647 for ($x = 0; $x < $col; $x++) {
648 if (!empty($curField[$x]) && isset($curShow[$x]) && $curShow[$x] == 'on') {
649 if ($last_select) {
650 $qry_select .= ', ';
652 $qry_select .= $curField[$x];
653 $last_select = 1;
655 } // end for
656 if (!empty($qry_select)) {
657 echo 'SELECT ' . htmlspecialchars($qry_select) . "\n";
660 // 2. FROM
662 // Create LEFT JOINS out of Relations
663 // Code originally by Mike Beck <mike.beck@ibmiller.de>
664 // If we can use Relations we could make some left joins.
665 // First find out if relations are available in this database.
667 // First we need the really needed Tables - those in TableList might still be
668 // all Tables.
669 if (isset($Field) && count($Field) > 0) {
670 // Initialize some variables
671 $tab_all = array();
672 $col_all = array();
673 $tab_wher = array();
674 $tab_know = array();
675 $tab_left = array();
676 $col_where = array();
677 $fromclause = '';
679 // We only start this if we have fields, otherwise it would be dumb
680 foreach ($Field as $value) {
681 $parts = explode('.', $value);
682 if (!empty($parts[0]) && !empty($parts[1])) {
683 $tab_raw = $parts[0];
684 $tab = str_replace('`', '', $tab_raw);
685 $tab_all[$tab] = $tab;
687 $col_raw = $parts[1];
688 $col_all[] = $tab . '.' . str_replace('`', '', $col_raw);
690 } // end while
692 // Check 'where' clauses
693 if ($cfgRelation['relwork'] && count($tab_all) > 0) {
694 // Now we need all tables that we have in the where clause
695 $crit_cnt = count($criteria);
696 for ($x = 0; $x < $crit_cnt; $x++) {
697 $curr_tab = explode('.', $Field[$x]);
698 if (!empty($curr_tab[0]) && !empty($curr_tab[1])) {
699 $tab_raw = $curr_tab[0];
700 $tab = str_replace('`', '', $tab_raw);
702 $col_raw = $curr_tab[1];
703 $col1 = str_replace('`', '', $col_raw);
704 $col1 = $tab . '.' . $col1;
705 // Now we know that our array has the same numbers as $criteria
706 // we can check which of our columns has a where clause
707 if (!empty($criteria[$x])) {
708 if (substr($criteria[$x], 0, 1) == '=' || stristr($criteria[$x], 'is')) {
709 $col_where[$col] = $col1;
710 $tab_wher[$tab] = $tab;
712 } // end if
713 } // end if
714 } // end for
716 // Cleans temp vars w/o further use
717 unset($tab_raw);
718 unset($col_raw);
719 unset($col1);
721 if (count($tab_wher) == 1) {
722 // If there is exactly one column that has a decent where-clause
723 // we will just use this
724 $master = key($tab_wher);
725 } else {
726 // Now let's find out which of the tables has an index
727 // (When the control user is the same as the normal user
728 // because he is using one of his databases as pmadb,
729 // the last db selected is not always the one where we need to work)
730 PMA_DBI_select_db($db);
732 foreach ($tab_all as $tab) {
733 $ind_rs = PMA_DBI_query('SHOW INDEX FROM ' . PMA_backquote($tab) . ';');
734 while ($ind = PMA_DBI_fetch_assoc($ind_rs)) {
735 $col1 = $tab . '.' . $ind['Column_name'];
736 if (isset($col_all[$col1])) {
737 if ($ind['non_unique'] == 0) {
738 if (isset($col_where[$col1])) {
739 $col_unique[$col1] = 'Y';
740 } else {
741 $col_unique[$col1] = 'N';
743 } else {
744 if (isset($col_where[$col1])) {
745 $col_index[$col1] = 'Y';
746 } else {
747 $col_index[$col1] = 'N';
751 } // end while (each col of tab)
752 } // end while (each tab)
753 // now we want to find the best.
754 if (isset($col_unique) && count($col_unique) > 0) {
755 $col_cand = $col_unique;
756 $needsort = 1;
757 } elseif (isset($col_index) && count($col_index) > 0) {
758 $col_cand = $col_index;
759 $needsort = 1;
760 } elseif (isset($col_where) && count($col_where) > 0) {
761 $col_cand = $tab_wher;
762 $needsort = 0;
763 } else {
764 $col_cand = $tab_all;
765 $needsort = 0;
768 // If we came up with $col_unique (very good) or $col_index (still
769 // good) as $col_cand we want to check if we have any 'Y' there
770 // (that would mean that they were also found in the whereclauses
771 // which would be great). if yes, we take only those
772 if ($needsort == 1) {
773 foreach ($col_cand as $col => $is_where) {
774 $tab = explode('.', $col);
775 $tab = $tab[0];
776 if ($is_where == 'Y') {
777 $vg[$col] = $tab;
778 } else {
779 $sg[$col] = $tab;
782 if (isset($vg)) {
783 $col_cand = $vg;
784 // Candidates restricted in index+where
785 } else {
786 $col_cand = $sg;
787 // None of the candidates where in a where-clause
791 // If our array of candidates has more than one member we'll just
792 // find the smallest table.
793 // Of course the actual query would be faster if we check for
794 // the Criteria which gives the smallest result set in its table,
795 // but it would take too much time to check this
796 if (count($col_cand) > 1) {
797 // Of course we only want to check each table once
798 $checked_tables = $col_cand;
799 foreach ($col_cand as $tab) {
800 if ($checked_tables[$tab] != 1) {
801 $tsize[$tab] = PMA_Table::countRecords($db, $tab, false);
802 $checked_tables[$tab] = 1;
804 $csize[$tab] = $tsize[$tab];
806 asort($csize);
807 reset($csize);
808 $master = key($csize); // Smallest
809 } else {
810 reset($col_cand);
811 $master = current($col_cand); // Only one single candidate
813 } // end if (exactly one where clause)
815 $tab_left = $tab_all;
816 unset($tab_left[$master]);
817 $tab_know[$master] = $master;
819 $run = 0;
820 $emerg = '';
821 while (count($tab_left) > 0) {
822 if ($run % 2 == 0) {
823 PMA_getRelatives('master');
824 } else {
825 PMA_getRelatives('foreign');
827 $run++;
828 if ($run > 5) {
830 foreach ($tab_left as $tab) {
831 $emerg .= ', ' . PMA_backquote($tab);
832 unset($tab_left[$tab]);
835 } // end while
836 $qry_from = PMA_backquote($master) . $emerg . $fromclause;
837 } // end if ($cfgRelation['relwork'] && count($tab_all) > 0)
839 } // end count($Field) > 0
841 // In case relations are not defined, just generate the FROM clause
842 // from the list of tables, however we don't generate any JOIN
844 if (empty($qry_from) && isset($tab_all)) {
845 $qry_from = implode(', ', $tab_all);
847 // Now let's see what we got
848 if (!empty($qry_from)) {
849 echo 'FROM ' . htmlspecialchars($qry_from) . "\n";
852 // 3. WHERE
853 $qry_where = '';
854 $criteria_cnt = 0;
855 for ($x = 0; $x < $col; $x++) {
856 if (!empty($curField[$x]) && !empty($curCriteria[$x]) && $x && isset($last_where) && isset($curAndOrCol)) {
857 $qry_where .= ' ' . strtoupper($curAndOrCol[$last_where]) . ' ';
859 if (!empty($curField[$x]) && !empty($curCriteria[$x])) {
860 $qry_where .= '(' . $curField[$x] . ' ' . $curCriteria[$x] . ')';
861 $last_where = $x;
862 $criteria_cnt++;
864 } // end for
865 if ($criteria_cnt > 1) {
866 $qry_where = '(' . $qry_where . ')';
868 // OR rows ${'cur' . $or}[$x]
869 if (!isset($curAndOrRow)) {
870 $curAndOrRow = array();
872 for ($y = 0; $y <= $row; $y++) {
873 $criteria_cnt = 0;
874 $qry_orwhere = '';
875 $last_orwhere = '';
876 for ($x = 0; $x < $col; $x++) {
877 if (!empty($curField[$x]) && !empty(${'curOr' . $y}[$x]) && $x) {
878 $qry_orwhere .= ' ' . strtoupper($curAndOrCol[$last_orwhere]) . ' ';
880 if (!empty($curField[$x]) && !empty(${'curOr' . $y}[$x])) {
881 $qry_orwhere .= '(' . $curField[$x]
882 . ' '
883 . ${'curOr' . $y}[$x]
884 . ')';
885 $last_orwhere = $x;
886 $criteria_cnt++;
888 } // end for
889 if ($criteria_cnt > 1) {
890 $qry_orwhere = '(' . $qry_orwhere . ')';
892 if (!empty($qry_orwhere)) {
893 $qry_where .= "\n"
894 . strtoupper(isset($curAndOrRow[$y]) ? $curAndOrRow[$y] . ' ' : '')
895 . $qry_orwhere;
896 } // end if
897 } // end for
899 if (!empty($qry_where) && $qry_where != '()') {
900 echo 'WHERE ' . htmlspecialchars($qry_where) . "\n";
901 } // end if
904 // 4. ORDER BY
905 $last_orderby = 0;
906 if (!isset($qry_orderby)) {
907 $qry_orderby = '';
909 for ($x = 0; $x < $col; $x++) {
910 if ($last_orderby && $x && !empty($curField[$x]) && !empty($curSort[$x])) {
911 $qry_orderby .= ', ';
913 if (!empty($curField[$x]) && !empty($curSort[$x])) {
914 // if they have chosen all fields using the * selector,
915 // then sorting is not available
916 // Robbat2 - Fix for Bug #570698
917 if (substr($curField[$x], -2) != '.*') {
918 $qry_orderby .= $curField[$x] . ' ' . $curSort[$x];
919 $last_orderby = 1;
922 } // end for
923 if (!empty($qry_orderby)) {
924 echo 'ORDER BY ' . htmlspecialchars($qry_orderby) . "\n";
927 </textarea>
928 </fieldset>
929 <fieldset class="tblFooters">
930 <input type="submit" name="submit_sql" value="<?php echo __('Submit Query'); ?>" />
931 </fieldset>
932 </td>
933 </tr>
934 </table>
935 </form>
936 <?php
938 * Displays the footer
940 require './libraries/footer.inc.php';