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db_qbe.php
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/* $Id$ */
/**
* query by example the whole database
*/
/**
* requirements
*/
require_once './libraries/common.lib.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);
$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) . '"' . $sel . '>'
. htmlspecialchars($column) . '</option>' . "\n";
}
?>
</select>
</td>
<?php
}
?>
<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 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) . '"' . $val . '>' . htmlspecialchars($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 <[email protected]>
// 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 .= ', ';
}