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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * query by example the whole database * * @version $Id: db_qbe.php 10588 2007-09-02 19:23:59Z lem9 $ */
/** * requirements */ require_once './libraries/common.inc.php'; require_once './libraries/Table.class.php'; require_once './libraries/relation.lib.php';
/** * Gets the relation settings */ $cfgRelation = PMA_getRelationsParam();
/** * A query has been submitted -> execute it, else display the headers */ if (isset($_REQUEST['submit_sql']) && preg_match('@^SELECT@i', $_REQUEST['encoded_sql_query'])) { $goto = 'db_sql.php'; $zero_rows = htmlspecialchars($GLOBALS['strSuccess']); $sql_query = urldecode($_REQUEST['encoded_sql_query']); require './sql.php'; exit; } else { $sub_part = '_qbe'; require './libraries/db_common.inc.php'; $url_query .= '&goto=db_qbe.php'; $url_params['goto'] = 'db_qbe.php'; require './libraries/db_info.inc.php'; }
if (isset($_REQUEST['submit_sql']) && ! preg_match('@^SELECT@i', $_REQUEST['encoded_sql_query'])) { echo '<div class="warning">' . $GLOBALS['strHaveToShow'] . '</div>'; }
/** * Initialize some variables */ $col_cnt = isset($_REQUEST['col_cnt']) ? (int) $_REQUEST['col_cnt'] : 3; $add_col = isset($_REQUEST['add_col']) ? (int) $_REQUEST['add_col'] : 0; $add_row = isset($_REQUEST['add_row']) ? (int) $_REQUEST['add_row'] : 0;
$rows = isset($_REQUEST['rows']) ? (int) $_REQUEST['rows'] : 0; $ins_col = isset($_REQUEST['ins_col']) ? $_REQUEST['ins_col'] : array(); $del_col = isset($_REQUEST['del_col']) ? $_REQUEST['del_col'] : array();
$prev_criteria = isset($_REQUEST['prev_criteria']) ? $_REQUEST['prev_criteria'] : array(); $criteria = isset($_REQUEST['criteria']) ? $_REQUEST['criteria'] : array_fill(0, $col_cnt, '');
$ins_row = isset($_REQUEST['ins_row']) ? $_REQUEST['ins_row'] : array_fill(0, $col_cnt, ''); $del_row = isset($_REQUEST['del_row']) ? $_REQUEST['del_row'] : array_fill(0, $col_cnt, ''); $and_or_row = isset($_REQUEST['and_or_row']) ? $_REQUEST['and_or_row'] : array_fill(0, $col_cnt, ''); $and_or_col = isset($_REQUEST['and_or_col']) ? $_REQUEST['and_or_col'] : array_fill(0, $col_cnt, '');
// minimum width $form_column_width = 12; $col = max($col_cnt + $add_col, 0); $row = max($rows + $add_row, 0);
// The tables list sent by a previously submitted form if (!empty($TableList)) { $cnt_table_list = count($TableList); for ($x = 0; $x < $cnt_table_list; $x++) { $tbl_names[urldecode($TableList[$x])] = ' selected="selected"'; } } // end if
// this was a work in progress, deactivated for now //$columns = PMA_DBI_get_columns_full($GLOBALS['db']); //$tables = PMA_DBI_get_columns_full($GLOBALS['db']);
/** * Prepares the form */ $tbl_result = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($db) . ';', null, PMA_DBI_QUERY_STORE); $tbl_result_cnt = PMA_DBI_num_rows($tbl_result); if (0 == $tbl_result_cnt) { echo '<div class="warning">' . $strNoTablesFound . '</div>'; require_once './libraries/footer.inc.php'; exit; }
$i = 0; $k = 0;
// The tables list gets from MySQL while ($i < $tbl_result_cnt) { list($tbl) = PMA_DBI_fetch_row($tbl_result); $fld_results = PMA_DBI_get_fields($db, $tbl); $fld_results_cnt = ($fld_results) ? count($fld_results) : 0; $j = 0;
if (empty($tbl_names[$tbl]) && !empty($TableList)) { $tbl_names[$tbl] = ''; } else { $tbl_names[$tbl] = ' selected="selected"'; } // end if
// The fields list per selected tables if ($tbl_names[$tbl] == ' selected="selected"') { $fld[$k++] = PMA_backquote($tbl) . '.*'; while ($j < $fld_results_cnt) { $fld[$k] = PMA_convert_display_charset($fld_results[$j]['Field']); $fld[$k] = PMA_backquote($tbl) . '.' . PMA_backquote($fld[$k]);
// increase the width if necessary if (strlen($fld[$k]) > $form_column_width) { $form_column_width = strlen($fld[$k]); } //end if
$k++; $j++; } // end while } // end if
$i++; } // end if PMA_DBI_free_result($tbl_result);
// largest width found $realwidth = $form_column_width . 'ex';
/** * Displays the Query by example form */
function showColumnSelectCell($columns, $column_number, $selected = '') { ?> <td align="center"> <select name="Field[<?php echo $column_number; ?>]" size="1"> <option value=""> </option> <?php foreach ($columns as $column) { if ($column === $selected) { $sel = ' selected="selected"'; } else { $sel = ''; } echo ' '; echo '<option value="' . htmlspecialchars($column) . '"' . $sel . '>' . str_replace(' ', ' ', htmlspecialchars($column)) . '</option>' . "\n"; } ?> </select> </td> <?php }
?> <fieldset> <form action="db_qbe.php" method="post"> <table class="data" style="width: 100%;"> <tr class="odd noclick"> <th><?php echo $strField; ?>:</th> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (isset($ins_col[$x]) && $ins_col[$x] == 'on') { showColumnSelectCell($fld, $z); $z++; }
if (! empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') { continue; }
$selected = ''; if (isset($Field[$x])) { $selected = urldecode($Field[$x]); $curField[$z] = urldecode($Field[$x]); } showColumnSelectCell($fld, $z, $selected); $z++; } // end for ?> </tr>
<!-- Sort row --> <tr class="even noclick"> <th><?php echo $strSort; ?>:</th> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') { ?> <td align="center"> <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1"> <option value=""> </option> <option value="ASC"><?php echo $strAscending; ?></option> <option value="DESC"><?php echo $strDescending; ?></option> </select> </td> <?php $z++; } // end if echo "\n";
if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') { continue; } ?> <td align="center"> <select style="width: <?php echo $realwidth; ?>" name="Sort[<?php echo $z; ?>]" size="1"> <option value=""> </option> <?php echo "\n";
// If they have chosen all fields using the * selector, // then sorting is not available // Robbat2 - Fix for Bug #570698 if (isset($Sort[$x]) && isset($Field[$x]) && substr(urldecode($Field[$x]), -2) == '.*') { $Sort[$x] = ''; } //end if
if (isset($Sort[$x]) && $Sort[$x] == 'ASC') { $curSort[$z] = $Sort[$x]; $sel = ' selected="selected"'; } else { $sel = ''; } // end if echo ' '; echo '<option value="ASC"' . $sel . '>' . $strAscending . '</option>' . "\n"; if (isset($Sort[$x]) && $Sort[$x] == 'DESC') { $curSort[$z] = $Sort[$x]; $sel = ' selected="selected"'; } else { $sel = ''; } // end if echo ' '; echo '<option value="DESC"' . $sel . '>' . $strDescending . '</option>' . "\n"; ?> </select> </td> <?php $z++; echo "\n"; } // end for ?> </tr>
<!-- Show row --> <tr class="odd noclick"> <th><?php echo $strShow; ?>:</th> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') { ?> <td align="center"> <input type="checkbox" name="Show[<?php echo $z; ?>]" /> </td> <?php $z++; } // end if echo "\n";
if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') { continue; } if (isset($Show[$x])) { $checked = ' checked="checked"'; $curShow[$z] = $Show[$x]; } else { $checked = ''; } ?> <td align="center"> <input type="checkbox" name="Show[<?php echo $z; ?>]"<?php echo $checked; ?> /> </td> <?php $z++; echo "\n"; } // end for ?> </tr>
<!-- Criteria row --> <tr class="even noclick"> <th><?php echo $strCriteria; ?>:</th> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') { ?> <td align="center"> <input type="text" name="criteria[<?php echo $z; ?>]" value="" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" /> </td> <?php $z++; } // end if echo "\n";
if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') { continue; } if (isset($criteria[$x])) { $stripped_Criteria = $criteria[$x]; } if ((empty($prev_criteria) || !isset($prev_criteria[$x])) || urldecode($prev_criteria[$x]) != htmlspecialchars($stripped_Criteria)) { $curCriteria[$z] = $stripped_Criteria; $encoded_Criteria = urlencode($stripped_Criteria); } else { $curCriteria[$z] = urldecode($prev_criteria[$x]); $encoded_Criteria = $prev_criteria[$x]; } ?> <td align="center"> <input type="hidden" name="prev_criteria[<?php echo $z; ?>]" value="<?php echo $encoded_Criteria; ?>" /> <input type="text" name="criteria[<?php echo $z; ?>]" value="<?php echo htmlspecialchars($stripped_Criteria); ?>" class="textfield" style="width: <?php echo $realwidth; ?>" size="20" /> </td> <?php $z++; echo "\n"; } // end for ?> </tr>
<!-- And/Or columns and rows --> <?php $w = 0; $odd_row = true; for ($y = 0; $y <= $row; $y++) { if (isset($ins_row[$y]) && $ins_row[$y] == 'on') { $chk['or'] = ' checked="checked"'; $chk['and'] = ''; ?> <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick"> <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap"> <!-- Row controls --> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap"> <small><?php echo $strQBEIns; ?>:</small> <input type="checkbox" name="ins_row[<?php echo $w; ?>]" /> </td> <td align="<?php echo $cell_align_right; ?>"> <b><?php echo $strAnd; ?>:</b> </td> <td> <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> /> </td> </tr> <tr> <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap"> <small><?php echo $strQBEDel; ?>:</small> <input type="checkbox" name="del_row[<?php echo $w; ?>]" /> </td> <td align="<?php echo $cell_align_right; ?>"> <b><?php echo $strOr; ?>:</b> </td> <td> <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> /> </td> </tr> </table> </td> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (isset($ins_col[$x]) && $ins_col[$x] == 'on') { echo "\n"; $or = 'Or' . $w . '[' . $z . ']'; ?> <td align="center"> <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="<?php echo $or; ?>" dir="<?php echo $text_dir; ?>"></textarea> </td> <?php $z++; } // end if if (isset($del_col[$x]) && $del_col[$x] == 'on') { continue; }
echo "\n"; $or = 'Or' . $w . '[' . $z . ']'; ?> <td align="center"> <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="<?php echo $or; ?>" dir="<?php echo $text_dir; ?>"></textarea> </td> <?php $z++; } // end for $w++; echo "\n"; ?> </tr> <?php $odd_row =! $odd_row; } // end if
if (isset($del_row[$y]) && $del_row[$y] == 'on') { continue; }
if (isset($and_or_row[$y])) { $curAndOrRow[$w] = $and_or_row[$y]; } if (isset($and_or_row[$y]) && $and_or_row[$y] == 'and') { $chk['and'] = ' checked="checked"'; $chk['or'] = ''; } else { $chk['or'] = ' checked="checked"'; $chk['and'] = ''; } echo "\n"; ?> <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick"> <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap"> <!-- Row controls --> <table border="0" cellpadding="0" cellspacing="0"> <tr> <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap"> <small><?php echo $strQBEIns; ?>:</small> <input type="checkbox" name="ins_row[<?php echo $w; ?>]" /> </td> <td align="<?php echo $cell_align_right; ?>"> <b><?php echo $strAnd; ?>:</b> </td> <td> <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="and"<?php echo $chk['and']; ?> /> </td> </tr> <tr> <td align="<?php echo $cell_align_right; ?>" nowrap="nowrap"> <small><?php echo $strQBEDel; ?>:</small> <input type="checkbox" name="del_row[<?php echo $w; ?>]" /> </td> <td align="<?php echo $cell_align_right; ?>"> <b><?php echo $strOr; ?>:</b> </td> <td> <input type="radio" name="and_or_row[<?php echo $w; ?>]" value="or"<?php echo $chk['or']; ?> /> </td> </tr> </table> </td> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') { echo "\n"; $or = 'Or' . $w . '[' . $z . ']'; ?> <td align="center"> <textarea cols="20" rows="2" style="width: <?php echo $realwidth; ?>" name="<?php echo $or; ?>" dir="<?php echo $text_dir; ?>"></textarea> </td> <?php $z++; } // end if if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') { continue; }
echo "\n"; $or = 'Or' . $y; if (!isset(${$or})) { ${$or} = ''; } if (!empty(${$or}) && isset(${$or}[$x])) { $stripped_or = ${$or}[$x]; } else { $stripped_or = ''; } ?> <td align="center"> <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> </td> <?php if (!empty(${$or}) && isset(${$or}[$x])) { ${'cur' . $or}[$z] = ${$or}[$x]; } $z++; } // end for $w++; echo "\n"; ?> </tr> <?php echo "\n"; $odd_row =! $odd_row; } // end for ?> <!-- Modify columns --> <tr class="even noclick"> <th><?php echo $strModify; ?>:</th> <?php $z = 0; for ($x = 0; $x < $col; $x++) { if (!empty($ins_col) && isset($ins_col[$x]) && $ins_col[$x] == 'on') { $curAndOrCol[$z] = $and_or_col[$y]; if ($and_or_col[$z] == 'or') { $chk['or'] = ' checked="checked"'; $chk['and'] = ''; } else { $chk['and'] = ' checked="checked"'; $chk['or'] = ''; } ?> <td align="center"> <b><?php echo $strOr; ?>:</b> <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="or"<?php echo $chk['or']; ?> /> <b><?php echo $strAnd; ?>:</b> <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="and"<?php echo $chk['and']; ?> /> <br /> <?php echo $strQBEIns . "\n"; ?> <input type="checkbox" name="ins_col[<?php echo $z; ?>]" /> <?php echo $strQBEDel . "\n"; ?> <input type="checkbox" name="del_col[<?php echo $z; ?>]" /> </td> <?php $z++; } // end if echo "\n";
if (!empty($del_col) && isset($del_col[$x]) && $del_col[$x] == 'on') { continue; }
if (isset($and_or_col[$y])) { $curAndOrCol[$z] = $and_or_col[$y]; } if (isset($and_or_col[$z]) && $and_or_col[$z] == 'or') { $chk['or'] = ' checked="checked"'; $chk['and'] = ''; } else { $chk['and'] = ' checked="checked"'; $chk['or'] = ''; } ?> <td align="center"> <b><?php echo $strOr; ?>:</b> <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="or"<?php echo $chk['or']; ?> /> <b><?php echo $strAnd; ?>:</b> <input type="radio" name="and_or_col[<?php echo $z; ?>]" value="and"<?php echo $chk['and']; ?> /> <br /> <?php echo $strQBEIns . "\n"; ?> <input type="checkbox" name="ins_col[<?php echo $z; ?>]" /> <?php echo $strQBEDel . "\n"; ?> <input type="checkbox" name="del_col[<?php echo $z; ?>]" /> </td> <?php $z++; echo "\n"; } // end for ?> </tr> </table>
<!-- Other controls --> <?php $w--; $url_params['db'] = $db; $url_params['col_cnt'] = $z; $url_params['rows'] = $w; echo PMA_generate_common_hidden_inputs($url_params); ?> </fieldset> <fieldset class="tblFooters"> <table border="0" cellpadding="2" cellspacing="1"> <tr> <td nowrap="nowrap"> <?php echo $strAddDeleteRow; ?>: <select size="1" name="add_row" style="vertical-align: middle"> <option value="-3">-3</option> <option value="-2">-2</option> <option value="-1">-1</option> <option value="0" selected="selected">0</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> </td> <td width="10"> </td> <td nowrap="nowrap"><?php echo $strAddDeleteColumn; ?>: <select size="1" name="add_col" style="vertical-align: middle"> <option value="-3">-3</option> <option value="-2">-2</option> <option value="-1">-1</option> <option value="0" selected="selected">0</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> </td> <td width="10"> </td> <!-- Generates a query --> <td><input type="submit" name="modify" value="<?php echo $strUpdateQuery; ?>" /></td> </tr> </table> </fieldset>
<table> <tr><td> <fieldset> <legend><?php echo $strUseTables; ?></legend> <?php $strTableListOptions = ''; $numTableListOptions = 0; foreach ($tbl_names AS $key => $val) { $strTableListOptions .= ' '; $strTableListOptions .= '<option value="' . htmlspecialchars($key) . '"' . $val . '>' . str_replace(' ', ' ', htmlspecialchars($key)) . '</option>' . "\n"; $numTableListOptions++; } ?> <select name="TableList[]" multiple="multiple" id="listTable" size="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>"> <?php echo $strTableListOptions; ?> </select> </fieldset> <fieldset class="tblFooters"> <input type="submit" name="modify" value="<?php echo $strUpdateQuery; ?>" /> </fieldset> </td> <td width="20"> </td> <td> <fieldset> <legend><?php echo sprintf($strQueryOnDb, PMA_getDbLink($db)); ?> </legend> <textarea cols="30" name="sql_query" id="textSqlquery" rows="<?php echo ($numTableListOptions > 30) ? '15' : '7'; ?>" dir="<?php echo $text_dir; ?>"> <?php // 1. SELECT $last_select = 0; $encoded_qry = ''; if (!isset($qry_select)) { $qry_select = ''; } for ($x = 0; $x < $col; $x++) { if (!empty($curField[$x]) && isset($curShow[$x]) && $curShow[$x] == 'on') { if ($last_select) { $qry_select .= ', '; } $qry_select .= $curField[$x]; $last_select = 1; } } // end for if (!empty($qry_select)) { $encoded_qry .= urlencode('SELECT ' . $qry_select . "\n"); echo 'SELECT ' . htmlspecialchars($qry_select) . "\n"; }
// 2. FROM
// Create LEFT JOINS out of Relations // Code originally by Mike Beck <mike.beck@ibmiller.de> // If we can use Relations we could make some left joins. // First find out if relations are available in this database.
// First we need the really needed Tables - those in TableList might still be // all Tables. if (isset($Field) && count($Field) > 0) {
// Initialize some variables $tab_all = array(); $col_all = array(); $tab_wher = array(); $tab_know = array(); $tab_left = array(); $col_where = array(); $fromclause = '';
// We only start this if we have fields, otherwise it would be dumb foreach ($Field AS $value) { $parts = explode('.', $value); if (!empty($parts[0]) && !empty($parts[1])) { $tab_raw = urldecode($parts[0]); $tab = str_replace('`', '', $tab_raw); $tab_all[$tab] = $tab;
$col_raw = urldecode($parts[1]); $col_all[] = $tab . '.' . str_replace('`', '', $col_raw); } } // end while
// Check 'where' clauses if ($cfgRelation['relwork'] && count($tab_all) > 0) { // Now we need all tables that we have in the where clause $crit_cnt = count($criteria); for ($x = 0; $x < $crit_cnt; $x++) { $curr_tab = explode('.', urldecode($Field[$x])); if (!empty($curr_tab[0]) && !empty($curr_tab[1])) { $tab_raw = urldecode($curr_tab[0]); $tab = str_replace('`', '', $tab_raw);
$col_raw = urldecode($curr_tab[1]); $col1 = str_replace('`', '', $col_raw); $col1 = $tab . '.' . $col1; // Now we know that our array has the same numbers as $criteria // we can check which of our columns has a where clause if (!empty($criteria[$x])) { if (substr($criteria[$x], 0, 1) == '=' || stristr($criteria[$x], 'is')) { $col_where[$col] = $col1; $tab_wher[$tab] = $tab; } } // end if } // end if } // end for
// Cleans temp vars w/o further use unset($tab_raw); unset($col_raw); unset($col1);
if (count($tab_wher) == 1) { // If there is exactly one column that has a decent where-clause // we will just use this $master = key($tab_wher); } else { // Now let's find out which of the tables has an index // (When the control user is the same as the normal user // because he is using one of his databases as pmadb, // the last db selected is not always the one where we need to work) PMA_DBI_select_db($db);
foreach ($tab_all AS $tab) { $ind_rs = PMA_DBI_query('SHOW INDEX FROM ' . PMA_backquote($tab) . ';'); while ($ind = PMA_DBI_fetch_assoc($ind_rs)) { $col1 = $tab . '.' . $ind['Column_name']; if (isset($col_all[$col1])) { if ($ind['non_unique'] == 0) { if (isset($col_where[$col1])) { $col_unique[$col1] = 'Y'; } else { $col_unique[$col1] = 'N'; } } else { if (isset($col_where[$col1])) { $col_index[$col1] = 'Y'; } else { $col_index[$col1] = 'N'; } } } } // end while (each col of tab) } // end while (each tab) // now we want to find the best. if (isset($col_unique) && count($col_unique) > 0) { $col_cand = $col_unique; $needsort = 1; } elseif (isset($col_index) && count($col_index) > 0) { $col_cand = $col_index; $needsort = 1; } elseif (isset($col_where) && count($col_where) > 0) { $col_cand = $tab_wher; $needsort = 0; } else { $col_cand = $tab_all; $needsort = 0; }
// If we came up with $col_unique (very good) or $col_index (still // good) as $col_cand we want to check if we have any 'Y' there // (that would mean that they were also found in the whereclauses // which would be great). if yes, we take only those if ($needsort == 1) { foreach ($col_cand AS $col => $is_where) { $tab = explode('.', $col); $tab = $tab[0]; if ($is_where == 'Y') { $vg[$col] = $tab; } else { $sg[$col] = $tab; } } if (isset($vg)) { $col_cand = $vg; // Candidates restricted in index+where } else { $col_cand = $sg; // None of the candidates where in a where-clause } }
// If our array of candidates has more than one member we'll just // find the smallest table. // Of course the actual query would be faster if we check for // the Criteria which gives the smallest result set in its table, // but it would take too much time to check this if (count($col_cand) > 1) { // Of course we only want to check each table once $checked_tables = $col_cand; foreach ($col_cand AS $tab) { if ($checked_tables[$tab] != 1) { $tsize[$tab] = PMA_Table::countRecords($db, $tab, true, false); $checked_tables[$tab] = 1; } $csize[$tab] = $tsize[$tab]; } asort($csize); reset($csize); $master = key($csize); // Smallest } else { reset($col_cand); $master = current($col_cand); // Only one single candidate } } // end if (exactly one where clause)
/** * Removes unwanted entries from an array (PHP3 compliant) * * @param array the array to work with * @param array the list of keys to remove * * @return array the cleaned up array * * @access private */ function PMA_arrayShort($array, $key) { foreach ($array AS $k => $v) { if ($k != $key) { $reta[$k] = $v; } } if (!isset($reta)) { $reta = array(); }
return $reta; } // end of the "PMA_arrayShort()" function
/** * Finds all related tables * * @param string wether to go from master to foreign or vice versa * * @return boolean always TRUE * * @global array the list of tables that we still couldn't connect * @global array the list of allready connected tables * @global string the current databse name * @global string the super user connection id * @global array the list of relation settings * * @access private */ function PMA_getRelatives($from) { global $tab_left, $tab_know, $fromclause; global $controllink, $db, $cfgRelation;
if ($from == 'master') { $to = 'foreign'; } else { $to = 'master'; } $in_know = '(\'' . implode('\', \'', $tab_know) . '\')'; $in_left = '(\'' . implode('\', \'', $tab_left) . '\')';
$rel_query = 'SELECT *' . ' FROM ' . PMA_backquote($cfgRelation['relation']) . ' WHERE ' . $from . '_db = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND ' . $to . '_db = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND ' . $from . '_table IN ' . $in_know . ' AND ' . $to . '_table IN ' . $in_left; PMA_DBI_select_db($cfgRelation['db'], $controllink); $relations = @PMA_DBI_query($rel_query, $controllink); PMA_DBI_select_db($db, $controllink); while ($row = PMA_DBI_fetch_assoc($relations)) { $found_table = $row[$to . '_table']; if (isset($tab_left[$found_table])) { $fromclause .= "\n" . ' LEFT JOIN ' . PMA_backquote($row[$to . '_table']) . ' ON ' . PMA_backquote($row[$from . '_table']) . '.' . PMA_backquote($row[$from . '_field']) . ' = ' . PMA_backquote($row[$to . '_table']) . '.' . PMA_backquote($row[$to . '_field']) . ' '; $tab_know[$found_table] = $found_table; $tab_left = PMA_arrayShort($tab_left, $found_table); } } // end while
return TRUE; } // end of the "PMA_getRelatives()" function
$tab_left = PMA_arrayShort($tab_all, $master); $tab_know[$master] = $master;
$run = 0; $emerg = ''; while (count($tab_left) > 0) { if ($run % 2 == 0) { PMA_getRelatives('master'); } else { PMA_getRelatives('foreign'); } $run++; if ($run > 5) {
foreach ($tab_left AS $tab) { $emerg .= ', ' . PMA_backquote($tab); $tab_left = PMA_arrayShort($tab_left, $tab); } } } // end while $qry_from = PMA_backquote($master) . $emerg . $fromclause; } // end if ($cfgRelation['relwork'] && count($tab_all) > 0)
} // end count($Field) > 0
// In case relations are not defined, just generate the FROM clause // from the list of tables, however we don't generate any JOIN
if (empty($qry_from) && isset($tab_all)) { $qry_from = implode(', ', $tab_all); } // Now let's see what we got if (!empty($qry_from)) { $encoded_qry .= urlencode('FROM ' . $qry_from . "\n"); echo 'FROM ' . htmlspecialchars($qry_from) . "\n"; }
// 3. WHERE $qry_where = ''; $criteria_cnt = 0; for ($x = 0; $x < $col; $x++) { if (!empty($curField[$x]) && !empty($curCriteria[$x]) && $x && isset($last_where) && isset($curAndOrCol)) { $qry_where .= ' ' . strtoupper($curAndOrCol[$last_where]) . ' '; } if (!empty($curField[$x]) && !empty($curCriteria[$x])) { $qry_where .= '(' . $curField[$x] . ' ' . $curCriteria[$x] . ')'; $last_where = $x; $criteria_cnt++; } } // end for if ($criteria_cnt > 1) { $qry_where = '(' . $qry_where . ')'; } // OR rows ${'cur' . $or}[$x] if (!isset($curAndOrRow)) { $curAndOrRow = array(); } for ($y = 0; $y <= $row; $y++) { $criteria_cnt = 0; $qry_orwhere = ''; $last_orwhere = ''; for ($x = 0; $x < $col; $x++) { if (!empty($curField[$x]) && !empty(${'curOr' . $y}[$x]) && $x) { $qry_orwhere .= ' ' . strtoupper($curAndOrCol[$last_orwhere]) . ' '; } if (!empty($curField[$x]) && !empty(${'curOr' . $y}[$x])) { $qry_orwhere .= '(' . $curField[$x] . ' ' . ${'curOr' . $y}[$x] . ')'; $last_orwhere = $x; $criteria_cnt++; } } // end for if ($criteria_cnt > 1) { $qry_orwhere = '(' . $qry_orwhere . ')'; } if (!empty($qry_orwhere)) { $qry_where .= "\n" . strtoupper(isset($curAndOrRow[$y]) ? $curAndOrRow[$y] . ' ' : '') . $qry_orwhere; } // end if } // end for
if (!empty($qry_where) && $qry_where != '()') { $encoded_qry .= urlencode('WHERE ' . $qry_where . "\n"); echo 'WHERE ' . htmlspecialchars($qry_where) . "\n"; } // end if
// 4. ORDER BY $last_orderby = 0; if (!isset($qry_orderby)) { $qry_orderby = ''; } for ($x = 0; $x < $col; $x++) { if ($last_orderby && $x && !empty($curField[$x]) && !empty($curSort[$x])) { $qry_orderby .= ', '; } if (!empty($curField[$x]) && !empty($curSort[$x])) { // if they have chosen all fields using the * selector, // then sorting is not available // Robbat2 - Fix for Bug #570698 if (substr($curField[$x], -2) != '.*') { $qry_orderby .= $curField[$x] . ' ' . $curSort[$x]; $last_orderby = 1; } } } // end for if (!empty($qry_orderby)) { $encoded_qry .= urlencode('ORDER BY ' . $qry_orderby); echo 'ORDER BY ' . htmlspecialchars($qry_orderby) . "\n"; } ?> </textarea> <input type="hidden" name="encoded_sql_query" value="<?php echo $encoded_qry; ?>" /> </fieldset> <fieldset class="tblFooters"> <input type="submit" name="submit_sql" value="<?php echo $strRunQuery; ?>" /> </fieldset> </td> </tr> </table> </form> <?php /** * Displays the footer */ require_once './libraries/footer.inc.php'; ?>
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