/**
* returns array with tables of given db with extended information and grouped
*
* @uses $cfg['LeftFrameTableSeparator']
* @uses $cfg['LeftFrameTableLevel']
* @uses $cfg['ShowTooltipAliasTB']
* @uses $cfg['NaturalOrder']
* @uses PMA_backquote()
* @uses count()
* @uses array_merge
* @uses uksort()
* @uses strstr()
* @uses explode()
* @param string $db name of db
* @param string $tables name of tables
* @param integer $limit_offset list offset
* @param integer $limit_count max tables to return
* return array (recursive) grouped table list
*/
function PMA_getTableList($db, $tables = null, $limit_offset = 0, $limit_count = false)
{
$sep = $GLOBALS['cfg']['LeftFrameTableSeparator'];
if (null === $tables) {
$tables = PMA_DBI_get_tables_full($db, false, false, null, $limit_offset, $limit_count);
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($tables, 'strnatcasecmp');
}
}
if (count($tables) < 1) {
return $tables;
}
$default = array('Name' => '', 'Rows' => 0, 'Comment' => '', 'disp_name' => '');
$table_groups = array();
// for blobstreaming - list of blobstreaming tables - rajk
// load PMA configuration
$PMA_Config = $_SESSION['PMA_Config'];
// if PMA configuration exists
if (!empty($PMA_Config)) {
$session_bs_tables = $_SESSION['PMA_Config']->get('BLOBSTREAMING_TABLES');
}
foreach ($tables as $table_name => $table) {
// if BS tables exist
if (isset($session_bs_tables)) {
// compare table name to tables in list of blobstreaming tables
foreach ($session_bs_tables as $table_key => $table_val) {
// if table is in list, skip outer foreach loop
if ($table_name == $table_key) {
continue 2;
}
}
}
// check for correct row count
if (null === $table['Rows']) {
// Do not check exact row count here,
// if row count is invalid possibly the table is defect
// and this would break left frame;
// but we can check row count if this is a view or the
// information_schema database
// since PMA_Table::countRecords() returns a limited row count
// in this case.
// set this because PMA_Table::countRecords() can use it
$tbl_is_view = PMA_Table::isView($db, $table['Name']);
if ($tbl_is_view || 'information_schema' == $db) {
$table['Rows'] = PMA_Table::countRecords($db, $table['Name'], $return = true);
}
}
// in $group we save the reference to the place in $table_groups
// where to store the table info
if ($GLOBALS['cfg']['LeftFrameDBTree'] && $sep && strstr($table_name, $sep)) {
$parts = explode($sep, $table_name);
$group =& $table_groups;
$i = 0;
$group_name_full = '';
while ($i < count($parts) - 1 && $i < $GLOBALS['cfg']['LeftFrameTableLevel']) {
$group_name = $parts[$i] . $sep;
$group_name_full .= $group_name;
if (!isset($group[$group_name])) {
$group[$group_name] = array();
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} elseif (!isset($group[$group_name]['is' . $sep . 'group'])) {
$table = $group[$group_name];
$group[$group_name] = array();
$group[$group_name][$group_name] = $table;
unset($table);
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} else {
$group[$group_name]['tab' . $sep . 'count']++;
}
$group =& $group[$group_name];
$i++;
}
} else {
if (!isset($table_groups[$table_name])) {
$table_groups[$table_name] = array();
}
$group =& $table_groups;
}
if ($GLOBALS['cfg']['ShowTooltipAliasTB'] && $GLOBALS['cfg']['ShowTooltipAliasTB'] !== 'nested') {
// switch tooltip and name
$table['Comment'] = $table['Name'];
$table['disp_name'] = $table['Comment'];
} else {
$table['disp_name'] = $table['Name'];
}
$group[$table_name] = array_merge($default, $table);
}
return $table_groups;
}
/**
* Function to calculate new pos if pos is higher than number of rows
* of displayed table
*
* @param String $db Database name
* @param String $table Table name
* @param Int|null $pos Initial position
*
* @return Int Number of pos to display last page
*/
function PMA_calculatePosForLastPage($db, $table, $pos)
{
if (null === $pos) {
$pos = $_SESSION['tmpval']['pos'];
}
$unlim_num_rows = PMA_Table::countRecords($db, $table, true);
//If position is higher than number of rows
if ($unlim_num_rows <= $pos && 0 != $pos) {
$pos = PMA_getStartPosToDisplayRow($unlim_num_rows);
}
return $pos;
}
/**
* Defines the parts to display for the results of a SQL query
*
* @param string $displayParts the parts to display (see a few
* lines above for explanations)
* @param integer &$the_total the total number of rows returned by the SQL
* query without any programmatically appended
* LIMIT clause
* (just a copy of $unlim_num_rows if it exists,
* elsecomputed inside this function)
*
* @return array an array with explicit indexes for all the display
* elements
*
* @access private
*
* @see getTable()
*/
private function _setDisplayParts($displayParts, &$the_total)
{
// 1. Following variables are needed for use in isset/empty or
// use with array indexes or safe use in foreach
$db = $this->__get('db');
$table = $this->__get('table');
$unlim_num_rows = $this->__get('unlim_num_rows');
$num_rows = $this->__get('num_rows');
$fields_meta = $this->__get('fields_meta');
$printview = $this->__get('printview');
// 2. Updates the display mode
if (isset($printview) && $printview == '1') {
// 2.0 Print view -> set all elements to false!
$displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// no edit link
$displayParts['del_lnk'] = self::NO_EDIT_OR_DELETE;
// no delete link
$displayParts['sort_lnk'] = (string) '0';
$displayParts['nav_bar'] = (string) '0';
$displayParts['ins_row'] = (string) '0';
$displayParts['bkm_form'] = (string) '0';
$displayParts['text_btn'] = (string) '0';
$displayParts['pview_lnk'] = (string) '0';
} elseif ($this->__get('is_count') || $this->__get('is_analyse') || $this->__get('is_maint') || $this->__get('is_explain')) {
// 2.1 Statement is a "SELECT COUNT", a
// "CHECK/ANALYZE/REPAIR/OPTIMIZE", an "EXPLAIN" one or
// contains a "PROC ANALYSE" part
$displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// no edit link
$displayParts['del_lnk'] = self::NO_EDIT_OR_DELETE;
// no delete link
$displayParts['sort_lnk'] = (string) '0';
$displayParts['nav_bar'] = (string) '0';
$displayParts['ins_row'] = (string) '0';
$displayParts['bkm_form'] = (string) '1';
if ($this->__get('is_maint')) {
$displayParts['text_btn'] = (string) '1';
} else {
$displayParts['text_btn'] = (string) '0';
}
$displayParts['pview_lnk'] = (string) '1';
} elseif ($this->__get('is_show')) {
// 2.2 Statement is a "SHOW..."
/**
* 2.2.1
* @todo defines edit/delete links depending on show statement
*/
preg_match('@^SHOW[[:space:]]+(VARIABLES|(FULL[[:space:]]+)?' . 'PROCESSLIST|STATUS|TABLE|GRANTS|CREATE|LOGS|DATABASES|FIELDS' . ')@i', $this->__get('sql_query'), $which);
$bIsProcessList = isset($which[1]);
if ($bIsProcessList) {
$str = ' ' . strtoupper($which[1]);
$bIsProcessList = $bIsProcessList && strpos($str, 'PROCESSLIST') > 0;
}
if ($bIsProcessList) {
// no edit link
$displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// "kill process" type edit link
$displayParts['del_lnk'] = self::KILL_PROCESS;
} else {
// Default case -> no links
// no edit link
$displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// no delete link
$displayParts['del_lnk'] = self::NO_EDIT_OR_DELETE;
}
unset($bIsProcessList);
// 2.2.2 Other settings
$displayParts['sort_lnk'] = (string) '0';
$displayParts['nav_bar'] = (string) '0';
$displayParts['ins_row'] = (string) '0';
$displayParts['bkm_form'] = (string) '1';
$displayParts['text_btn'] = (string) '1';
$displayParts['pview_lnk'] = (string) '1';
} else {
// 2.3 Other statements (ie "SELECT" ones) -> updates
// $displayParts['edit_lnk'], $displayParts['del_lnk'] and
// $displayParts['text_btn'] (keeps other default values)
$prev_table = '';
$displayParts['text_btn'] = (string) '1';
for ($i = 0; $i < $this->__get('fields_cnt'); $i++) {
$is_link = $displayParts['edit_lnk'] != self::NO_EDIT_OR_DELETE || $displayParts['del_lnk'] != self::NO_EDIT_OR_DELETE || $displayParts['sort_lnk'] != '0' || $displayParts['ins_row'] != '0';
// 2.3.2 Displays edit/delete/sort/insert links?
if ($is_link && $prev_table != '' && $fields_meta[$i]->table != '' && $fields_meta[$i]->table != $prev_table) {
// don't display links
$displayParts['edit_lnk'] = self::NO_EDIT_OR_DELETE;
$displayParts['del_lnk'] = self::NO_EDIT_OR_DELETE;
/**
* @todo May be problematic with same field names
* in two joined table.
*/
// $displayParts['sort_lnk'] = (string) '0';
$displayParts['ins_row'] = (string) '0';
if ($displayParts['text_btn'] == '1') {
break;
}
}
// end if (2.3.2)
// 2.3.3 Always display print view link
$displayParts['pview_lnk'] = (string) '1';
if ($fields_meta[$i]->table != '') {
$prev_table = $fields_meta[$i]->table;
}
}
// end for
}
// end if..elseif...else (2.1 -> 2.3)
// 3. Gets the total number of rows if it is unknown
if (isset($unlim_num_rows) && $unlim_num_rows != '') {
$the_total = $unlim_num_rows;
} elseif (($displayParts['nav_bar'] == '1' || $displayParts['sort_lnk'] == '1') && (mb_strlen($db) && !empty($table))) {
$the_total = PMA_Table::countRecords($db, $table);
}
// if for COUNT query, number of rows returned more than 1 (may be being used GROUP BY)
if ($this->__get('is_count') && isset($num_rows) && $num_rows > 1) {
$displayParts['nav_bar'] = (string) '1';
$displayParts['sort_lnk'] = (string) '1';
}
// 4. If navigation bar or sorting fields names URLs should be
// displayed but there is only one row, change these settings to
// false
if ($displayParts['nav_bar'] == '1' || $displayParts['sort_lnk'] == '1') {
// - Do not display sort links if less than 2 rows.
// - For a VIEW we (probably) did not count the number of rows
// so don't test this number here, it would remove the possibility
// of sorting VIEW results.
if (isset($unlim_num_rows) && $unlim_num_rows < 2 && !PMA_Table::isView($db, $table)) {
$displayParts['sort_lnk'] = (string) '0';
}
}
// end if (3)
return $displayParts;
}
/**
* returns array with tables of given db with extended information and grouped
*
* @param string $db name of db
* @param string $tables name of tables
* @param integer $limit_offset list offset
* @param int|bool $limit_count max tables to return
*
* @return array (recursive) grouped table list
*/
function PMA_getTableList($db, $tables = null, $limit_offset = 0, $limit_count = false)
{
$sep = $GLOBALS['cfg']['LeftFrameTableSeparator'];
if (null === $tables) {
$tables = PMA_DBI_get_tables_full($db, false, false, null, $limit_offset, $limit_count);
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($tables, 'strnatcasecmp');
}
}
if (count($tables) < 1) {
return $tables;
}
$default = array('Name' => '', 'Rows' => 0, 'Comment' => '', 'disp_name' => '');
$table_groups = array();
// for blobstreaming - list of blobstreaming tables
// load PMA configuration
$PMA_Config = $GLOBALS['PMA_Config'];
foreach ($tables as $table_name => $table) {
// if BS tables exist
if (PMA_BS_IsHiddenTable($table_name)) {
continue;
}
// check for correct row count
if (null === $table['Rows']) {
// Do not check exact row count here,
// if row count is invalid possibly the table is defect
// and this would break left frame;
// but we can check row count if this is a view or the
// information_schema database
// since PMA_Table::countRecords() returns a limited row count
// in this case.
// set this because PMA_Table::countRecords() can use it
$tbl_is_view = $table['TABLE_TYPE'] == 'VIEW';
if ($tbl_is_view || PMA_is_system_schema($db)) {
$table['Rows'] = PMA_Table::countRecords($db, $table['Name'], false, true);
}
}
// in $group we save the reference to the place in $table_groups
// where to store the table info
if ($GLOBALS['cfg']['LeftFrameDBTree'] && $sep && strstr($table_name, $sep)) {
$parts = explode($sep, $table_name);
$group =& $table_groups;
$i = 0;
$group_name_full = '';
$parts_cnt = count($parts) - 1;
while ($i < $parts_cnt && $i < $GLOBALS['cfg']['LeftFrameTableLevel']) {
$group_name = $parts[$i] . $sep;
$group_name_full .= $group_name;
if (!isset($group[$group_name])) {
$group[$group_name] = array();
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} elseif (!isset($group[$group_name]['is' . $sep . 'group'])) {
$table = $group[$group_name];
$group[$group_name] = array();
$group[$group_name][$group_name] = $table;
unset($table);
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} else {
$group[$group_name]['tab' . $sep . 'count']++;
}
$group =& $group[$group_name];
$i++;
}
} else {
if (!isset($table_groups[$table_name])) {
$table_groups[$table_name] = array();
}
$group =& $table_groups;
}
if ($GLOBALS['cfg']['ShowTooltipAliasTB'] && $GLOBALS['cfg']['ShowTooltipAliasTB'] !== 'nested' && $table['Comment'] && $table['Comment'] != 'VIEW') {
// switch tooltip and name
$table['disp_name'] = $table['Comment'];
$table['Comment'] = $table['Name'];
} else {
$table['disp_name'] = $table['Name'];
}
$group[$table_name] = array_merge($default, $table);
}
return $table_groups;
}
/**
* Defines the parts to display for the results of a SQL query
*
* @param array $displayParts the parts to display (see a few
* lines above for explanations)
* @param integer &$the_total the total number of rows returned by the SQL
* query without any programmatically appended
* LIMIT clause
* (just a copy of $unlim_num_rows if it exists,
* elsecomputed inside this function)
*
* @return array an array with explicit indexes for all the display
* elements
*
* @access private
*
* @see getTable()
*/
private function _setDisplayParts($displayParts, &$the_total)
{
// 1. Following variables are needed for use in isset/empty or
// use with array indexes or safe use in foreach
$db = $this->__get('db');
$table = $this->__get('table');
$unlim_num_rows = $this->__get('unlim_num_rows');
$num_rows = $this->__get('num_rows');
$printview = $this->__get('printview');
// 2. Updates the display parts
if ($printview == '1') {
$displayParts = $this->_setDisplayPartsForPrintView($displayParts);
} elseif ($this->__get('is_count') || $this->__get('is_analyse') || $this->__get('is_maint') || $this->__get('is_explain')) {
$displayParts = $this->_setDisplayPartsForNonData($displayParts);
} elseif ($this->__get('is_show')) {
$displayParts = $this->_setDisplayPartsForShow($displayParts);
} else {
$displayParts = $this->_setDisplayPartsForSelect($displayParts);
}
// end if..elseif...else
// 3. Gets the total number of rows if it is unknown
if (isset($unlim_num_rows) && $unlim_num_rows != '') {
$the_total = $unlim_num_rows;
} elseif (($displayParts['nav_bar'] == '1' || $displayParts['sort_lnk'] == '1') && (mb_strlen($db) && !empty($table))) {
$the_total = PMA_Table::countRecords($db, $table);
}
// if for COUNT query, number of rows returned more than 1
// (may be being used GROUP BY)
if ($this->__get('is_count') && isset($num_rows) && $num_rows > 1) {
$displayParts['nav_bar'] = (string) '1';
$displayParts['sort_lnk'] = (string) '1';
}
// 4. If navigation bar or sorting fields names URLs should be
// displayed but there is only one row, change these settings to
// false
if ($displayParts['nav_bar'] == '1' || $displayParts['sort_lnk'] == '1') {
// - Do not display sort links if less than 2 rows.
// - For a VIEW we (probably) did not count the number of rows
// so don't test this number here, it would remove the possibility
// of sorting VIEW results.
if (isset($unlim_num_rows) && $unlim_num_rows < 2 && !PMA_Table::isView($db, $table)) {
$displayParts['sort_lnk'] = (string) '0';
}
}
// end if (3)
return $displayParts;
}
} 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)
// Merge or BerkleyDB table: Only row count is accurate.
if ($is_show_stats) {
$formatted_size = ' - ';
$unit = '';
}
break;
// for a view, the ENGINE is sometimes reported as null,
// or on some servers it's reported as "SYSTEM VIEW"
// for a view, the ENGINE is sometimes reported as null,
// or on some servers it's reported as "SYSTEM VIEW"
case null:
case 'SYSTEM VIEW':
// if table is broken, Engine is reported as null, so one more test
if ($each_table['TABLE_TYPE'] == 'VIEW') {
// countRecords() takes care of $cfg['MaxExactCountViews']
$each_table['TABLE_ROWS'] = PMA_Table::countRecords($db, $each_table['TABLE_NAME'], $force_exact = true, $is_view = true);
$table_is_view = true;
}
break;
default:
// Unknown table type.
if ($is_show_stats) {
$formatted_size = 'unknown';
$unit = '';
}
}
// end switch
if (!PMA_Table::isMerge($db, $each_table['TABLE_NAME'])) {
$sum_entries += $each_table['TABLE_ROWS'];
}
if (isset($each_table['Collation'])) {
*/
// lem9: we always show the foreign field in the drop-down; if a display
// field is defined, we show it besides the foreign field
$foreign_link = false;
if ($foreigners && isset($foreigners[$field])) {
$foreigner = $foreigners[$field];
$foreign_db = $foreigner['foreign_db'];
$foreign_table = $foreigner['foreign_table'];
$foreign_field = $foreigner['foreign_field'];
// Count number of rows in the foreign table. Currently we do
// not use a drop-down if more than 200 rows in the foreign table,
// for speed reasons and because we need a better interface for this.
//
// We could also do the SELECT anyway, with a LIMIT, and ensure that
// the current value of the field is one of the choices.
$the_total = PMA_Table::countRecords($foreign_db, $foreign_table, TRUE);
if (isset($override_total) && $override_total == true || $the_total < $cfg['ForeignKeyMaxLimit']) {
// foreign_display can be FALSE if no display field defined:
$foreign_display = PMA_getDisplayField($foreign_db, $foreign_table);
$f_query_main = 'SELECT ' . PMA_backquote($foreign_field) . ($foreign_display == FALSE ? '' : ', ' . PMA_backquote($foreign_display));
$f_query_from = ' FROM ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table);
$f_query_filter = empty($foreign_filter) ? '' : ' WHERE ' . PMA_backquote($foreign_field) . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"' . ($foreign_display == FALSE ? '' : ' OR ' . PMA_backquote($foreign_display) . ' LIKE "%' . PMA_sqlAddslashes($foreign_filter, TRUE) . '%"');
$f_query_order = $foreign_display == FALSE ? '' : ' ORDER BY ' . PMA_backquote($foreign_table) . '.' . PMA_backquote($foreign_display);
$f_query_limit = isset($foreign_limit) ? $foreign_limit : '';
if (!empty($foreign_filter)) {
$res = PMA_DBI_query('SELECT COUNT(*)' . $f_query_from . $f_query_filter);
if ($res) {
$the_total = PMA_DBI_fetch_value($res);
@PMA_DBI_free_result($res);
} else {
$the_total = 0;
include_once './libraries/transformations/' . $include_file;
if (function_exists('PMA_transformation_' . $transformfunction_name)) {
$transform_function = 'PMA_transformation_' . $transformfunction_name;
$transform_options = PMA_transformation_getOptions(isset($transformation['transformation_options']) ? $transformation['transformation_options'] : '');
$transform_options['wrapper_link'] = PMA_generate_common_url($_url_params);
}
}
$extra_data['transformations'][$cell_index] = $transform_function($column_data, $transform_options);
}
}
// end of loop for each transformation cell
}
// end of loop for each $mime_map
}
/**Get the total row count of the table*/
$extra_data['row_count'] = PMA_Table::countRecords($_REQUEST['db'], $_REQUEST['table']);
$extra_data['sql_query'] = PMA_showMessage($message, $GLOBALS['display_query']);
PMA_ajaxResponse($message, $message->isSuccess(), $extra_data);
}
if (isset($return_to_sql_query)) {
$disp_query = $GLOBALS['sql_query'];
$disp_message = $message;
unset($message);
$GLOBALS['sql_query'] = $return_to_sql_query;
}
$GLOBALS['js_include'][] = 'tbl_change.js';
// in case we call sql.php which needs those:
$GLOBALS['js_include'][] = 'jquery/jquery-ui-1.8.16.custom.js';
$active_page = $goto_include;
/**
* If user asked for "and then Insert another new row" we have to remove
/**
* returns array with tables of given db with extended information and grouped
*
* @param string $db name of db
* @param string $tables name of tables
* @param integer $limit_offset list offset
* @param int|bool $limit_count max tables to return
*
* @return array (recursive) grouped table list
*/
public static function getTableList($db, $tables = null, $limit_offset = 0, $limit_count = false)
{
$sep = $GLOBALS['cfg']['NavigationTreeTableSeparator'];
if ($tables === null) {
$tables = $GLOBALS['dbi']->getTablesFull($db, false, false, null, $limit_offset, $limit_count);
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($tables, 'strnatcasecmp');
}
}
if (count($tables) < 1) {
return $tables;
}
$default = array('Name' => '', 'Rows' => 0, 'Comment' => '', 'disp_name' => '');
$table_groups = array();
foreach ($tables as $table_name => $table) {
// check for correct row count
if ($table['Rows'] === null) {
// Do not check exact row count here,
// if row count is invalid possibly the table is defect
// and this would break left frame;
// but we can check row count if this is a view or the
// information_schema database
// since PMA_Table::countRecords() returns a limited row count
// in this case.
// set this because PMA_Table::countRecords() can use it
$tbl_is_view = $table['TABLE_TYPE'] == 'VIEW';
if ($tbl_is_view || $GLOBALS['dbi']->isSystemSchema($db)) {
$table['Rows'] = PMA_Table::countRecords($db, $table['Name'], false, true);
}
}
// in $group we save the reference to the place in $table_groups
// where to store the table info
if ($GLOBALS['cfg']['NavigationTreeEnableGrouping'] && $sep && strstr($table_name, $sep)) {
$parts = explode($sep, $table_name);
$group =& $table_groups;
$i = 0;
$group_name_full = '';
$parts_cnt = count($parts) - 1;
while ($i < $parts_cnt && $i < $GLOBALS['cfg']['NavigationTreeTableLevel']) {
$group_name = $parts[$i] . $sep;
$group_name_full .= $group_name;
if (!isset($group[$group_name])) {
$group[$group_name] = array();
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} elseif (!isset($group[$group_name]['is' . $sep . 'group'])) {
$table = $group[$group_name];
$group[$group_name] = array();
$group[$group_name][$group_name] = $table;
unset($table);
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} else {
$group[$group_name]['tab' . $sep . 'count']++;
}
$group =& $group[$group_name];
$i++;
}
} else {
if (!isset($table_groups[$table_name])) {
$table_groups[$table_name] = array();
}
$group =& $table_groups;
}
$table['disp_name'] = $table['Name'];
$group[$table_name] = array_merge($default, $table);
}
return $table_groups;
}
/**
* Provides the main table to form the LEFT JOIN clause
*
* @param array $all_tables Tables involved in the search
* @param array $all_columns Columns involved in the search
* @param array $where_clause_columns Columns having criteria where clause
* @param array $where_clause_tables Tables having criteria where clause
*
* @return string table name
*/
private function _getMasterTable($all_tables, $all_columns, $where_clause_columns, $where_clause_tables)
{
if (count($where_clause_tables) == 1) {
// If there is exactly one column that has a decent where-clause
// we will just use this
$master = key($where_clause_tables);
return $master;
}
// 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)
$candidate_columns = $this->_getLeftJoinColumnCandidates($all_tables, $all_columns, $where_clause_columns);
// Generally, we need to display all the rows of foreign (referenced)
// table, whether they have any matching row in child table or not.
// So we select candidate tables which are foreign tables.
$foreign_tables = array();
foreach ($candidate_columns as $one_table) {
$foreigners = PMA_getForeigners($this->_db, $one_table);
foreach ($foreigners as $key => $foreigner) {
if ($key != 'foreign_keys_data') {
if (in_array($foreigner['foreign_table'], $candidate_columns)) {
$foreign_tables[$foreigner['foreign_table']] = $foreigner['foreign_table'];
}
continue;
}
foreach ($foreigner as $one_key) {
if (in_array($one_key['ref_table_name'], $candidate_columns)) {
$foreign_tables[$one_key['ref_table_name']] = $one_key['ref_table_name'];
}
}
}
}
if (count($foreign_tables)) {
$candidate_columns = $foreign_tables;
}
// If our array of candidates has more than one member we'll just
// find the smallest table.
// Of course the actual query would be faster if we check for
// the Criteria which gives the smallest result set in its table,
// but it would take too much time to check this
if (!(count($candidate_columns) > 1)) {
reset($candidate_columns);
$master = current($candidate_columns);
// Only one single candidate
return $master;
}
// Of course we only want to check each table once
$checked_tables = $candidate_columns;
$tsize = array();
$csize = array();
foreach ($candidate_columns as $table) {
if ($checked_tables[$table] != 1) {
$tsize[$table] = PMA_Table::countRecords($this->_db, $table, false);
$checked_tables[$table] = 1;
}
$csize[$table] = $tsize[$table];
}
arsort($csize);
reset($csize);
$master = key($csize);
// Largest
return $master;
}
/**
* Defines the display mode to use for the results of a SQL query
*
* It uses a synthetic string that contains all the required informations.
* In this string:
* - the first two characters stand for the action to do while
* clicking on the "edit" link (e.g. 'ur' for update a row, 'nn' for no
* edit link...);
* - the next two characters stand for the action to do while
* clicking on the "delete" link (e.g. 'kp' for kill a process, 'nn' for
* no delete link...);
* - the next characters are boolean values (1/0) and respectively stand
* for sorting links, navigation bar, "insert a new row" link, the
* bookmark feature, the expand/collapse text/blob fields button and
* the "display printable view" option.
* Of course '0'/'1' means the feature won't/will be enabled.
*
* @param string &$the_disp_mode the synthetic value for display_mode (see a few
* lines above for explanations)
* @param integer &$the_total the total number of rows returned by the SQL
* query without any programmatically appended
* LIMIT clause
* (just a copy of $unlim_num_rows if it exists,
* elsecomputed inside this function)
*
* @return array an array with explicit indexes for all the display
* elements
*
* @access private
*
* @see getTable()
*/
private function _setDisplayMode(&$the_disp_mode, &$the_total)
{
// Following variables are needed for use in isset/empty or
// use with array indexes or safe use in foreach
$db = $this->__get('_db');
$table = $this->__get('_table');
$unlim_num_rows = $this->__get('_unlim_num_rows');
$fields_meta = $this->__get('_fields_meta');
$printview = $this->__get('_printview');
// 1. Initializes the $do_display array
$do_display = array();
$do_display['edit_lnk'] = $the_disp_mode[0] . $the_disp_mode[1];
$do_display['del_lnk'] = $the_disp_mode[2] . $the_disp_mode[3];
$do_display['sort_lnk'] = (string) $the_disp_mode[4];
$do_display['nav_bar'] = (string) $the_disp_mode[5];
$do_display['ins_row'] = (string) $the_disp_mode[6];
$do_display['bkm_form'] = (string) $the_disp_mode[7];
$do_display['text_btn'] = (string) $the_disp_mode[8];
$do_display['pview_lnk'] = (string) $the_disp_mode[9];
// 2. Display mode is not "false for all elements" -> updates the
// display mode
if ($the_disp_mode != 'nnnn000000') {
if (isset($printview) && $printview == '1') {
// 2.0 Print view -> set all elements to false!
$do_display['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// no edit link
$do_display['del_lnk'] = self::NO_EDIT_OR_DELETE;
// no delete link
$do_display['sort_lnk'] = (string) '0';
$do_display['nav_bar'] = (string) '0';
$do_display['ins_row'] = (string) '0';
$do_display['bkm_form'] = (string) '0';
$do_display['text_btn'] = (string) '0';
$do_display['pview_lnk'] = (string) '0';
} elseif ($this->__get('_is_count') || $this->__get('_is_analyse') || $this->__get('_is_maint') || $this->__get('_is_explain')) {
// 2.1 Statement is a "SELECT COUNT", a
// "CHECK/ANALYZE/REPAIR/OPTIMIZE", an "EXPLAIN" one or
// contains a "PROC ANALYSE" part
$do_display['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// no edit link
$do_display['del_lnk'] = self::NO_EDIT_OR_DELETE;
// no delete link
$do_display['sort_lnk'] = (string) '0';
$do_display['nav_bar'] = (string) '0';
$do_display['ins_row'] = (string) '0';
$do_display['bkm_form'] = (string) '1';
if ($this->__get('_is_maint')) {
$do_display['text_btn'] = (string) '1';
} else {
$do_display['text_btn'] = (string) '0';
}
$do_display['pview_lnk'] = (string) '1';
} elseif ($this->__get('_is_show')) {
// 2.2 Statement is a "SHOW..."
/**
* 2.2.1
* @todo defines edit/delete links depending on show statement
*/
$tmp = preg_match('@^SHOW[[:space:]]+(VARIABLES|(FULL[[:space:]]+)?' . 'PROCESSLIST|STATUS|TABLE|GRANTS|CREATE|LOGS|DATABASES|FIELDS' . ')@i', $this->__get('_sql_query'), $which);
if (isset($which[1]) && strpos(' ' . strtoupper($which[1]), 'PROCESSLIST') > 0) {
// no edit link
$do_display['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// "kill process" type edit link
$do_display['del_lnk'] = self::KILL_PROCESS;
} else {
// Default case -> no links
// no edit link
$do_display['edit_lnk'] = self::NO_EDIT_OR_DELETE;
// no delete link
$do_display['del_lnk'] = self::NO_EDIT_OR_DELETE;
}
// 2.2.2 Other settings
$do_display['sort_lnk'] = (string) '0';
$do_display['nav_bar'] = (string) '0';
$do_display['ins_row'] = (string) '0';
$do_display['bkm_form'] = (string) '1';
$do_display['text_btn'] = (string) '1';
$do_display['pview_lnk'] = (string) '1';
} else {
// 2.3 Other statements (ie "SELECT" ones) -> updates
// $do_display['edit_lnk'], $do_display['del_lnk'] and
// $do_display['text_btn'] (keeps other default values)
$prev_table = $fields_meta[0]->table;
$do_display['text_btn'] = (string) '1';
for ($i = 0; $i < $this->__get('_fields_cnt'); $i++) {
$is_link = $do_display['edit_lnk'] != self::NO_EDIT_OR_DELETE || $do_display['del_lnk'] != self::NO_EDIT_OR_DELETE || $do_display['sort_lnk'] != '0' || $do_display['ins_row'] != '0';
// 2.3.2 Displays edit/delete/sort/insert links?
if ($is_link && ($fields_meta[$i]->table == '' || $fields_meta[$i]->table != $prev_table)) {
// don't display links
$do_display['edit_lnk'] = self::NO_EDIT_OR_DELETE;
$do_display['del_lnk'] = self::NO_EDIT_OR_DELETE;
/**
* @todo May be problematic with same field names
* in two joined table.
*/
// $do_display['sort_lnk'] = (string) '0';
$do_display['ins_row'] = (string) '0';
if ($do_display['text_btn'] == '1') {
break;
}
}
// end if (2.3.2)
// 2.3.3 Always display print view link
$do_display['pview_lnk'] = (string) '1';
$prev_table = $fields_meta[$i]->table;
}
// end for
}
// end if..elseif...else (2.1 -> 2.3)
}
// end if (2)
// 3. Gets the total number of rows if it is unknown
if (isset($unlim_num_rows) && $unlim_num_rows != '') {
$the_total = $unlim_num_rows;
} elseif (($do_display['nav_bar'] == '1' || $do_display['sort_lnk'] == '1') && (strlen($db) && !empty($table))) {
$the_total = PMA_Table::countRecords($db, $table);
}
// 4. If navigation bar or sorting fields names URLs should be
// displayed but there is only one row, change these settings to
// false
if ($do_display['nav_bar'] == '1' || $do_display['sort_lnk'] == '1') {
// - Do not display sort links if less than 2 rows.
// - For a VIEW we (probably) did not count the number of rows
// so don't test this number here, it would remove the possibility
// of sorting VIEW results.
if (isset($unlim_num_rows) && $unlim_num_rows < 2 && !PMA_Table::isView($db, $table)) {
// force display of navbar for vertical/horizontal display-choice.
// $do_display['nav_bar'] = (string) '0';
$do_display['sort_lnk'] = (string) '0';
}
}
// end if (3)
// 5. Updates the synthetic var
$the_disp_mode = join('', $do_display);
return $do_display;
}
/**
* Generate table html when SQL statement have multiple queries
* which return displayable results
*
* @param PMA_DisplayResults $displayResultsObject object
* @param string $db database name
* @param array $sql_data information about SQL statement
* @param string $goto URL to go back in case of errors
* @param string $pmaThemeImage path for theme images directory
* @param string $text_dir text direction
* @param string $printview whether printview is enabled
* @param string $url_query URL query
* @param array $disp_mode the display mode
* @param string $sql_limit_to_append limit clause
* @param bool $editable whether result set is editable
*
* @return string $table_html html content
*/
function getTableHtmlForMultipleQueries($displayResultsObject, $db, $sql_data, $goto, $pmaThemeImage, $text_dir, $printview, $url_query, $disp_mode, $sql_limit_to_append, $editable)
{
$table_html = '';
$tables_array = PMA_DBI_get_tables($db);
$databases_array = PMA_DBI_get_databases_full();
$multi_sql = implode(";", $sql_data['valid_sql']);
$querytime_before = array_sum(explode(' ', microtime()));
// Assignment for variable is not needed since the results are
// looiping using the connection
@PMA_DBI_try_multi_query($multi_sql);
$querytime_after = array_sum(explode(' ', microtime()));
$querytime = $querytime_after - $querytime_before;
$sql_no = 0;
do {
$analyzed_sql = array();
$is_affected = false;
$result = PMA_DBI_store_result();
$fields_meta = $result !== false ? PMA_DBI_get_fields_meta($result) : array();
$fields_cnt = count($fields_meta);
// Initialize needed params related to each query in multiquery statement
if (isset($sql_data['valid_sql'][$sql_no])) {
// 'Use' query can change the database
if (stripos($sql_data['valid_sql'][$sql_no], "use ")) {
$db = PMA_getNewDatabase($sql_data['valid_sql'][$sql_no], $databases_array);
}
$parsed_sql = PMA_SQP_parse($sql_data['valid_sql'][$sql_no]);
$table = PMA_getTableNameBySQL($sql_data['valid_sql'][$sql_no], $tables_array);
$analyzed_sql = PMA_SQP_analyze($parsed_sql);
$is_select = isset($analyzed_sql[0]['queryflags']['select_from']);
$unlim_num_rows = PMA_Table::countRecords($db, $table, true);
$showtable = PMA_Table::sGetStatusInfo($db, $table, null, true);
$url_query = PMA_generate_common_url($db, $table);
list($is_group, $is_func, $is_count, $is_export, $is_analyse, $is_explain, $is_delete, $is_affected, $is_insert, $is_replace, $is_show, $is_maint) = PMA_getDisplayPropertyParams($sql_data['valid_sql'][$sql_no], $is_select);
// Handle remembered sorting order, only for single table query
if ($GLOBALS['cfg']['RememberSorting'] && !($is_count || $is_export || $is_func || $is_analyse) && isset($analyzed_sql[0]['select_expr']) && count($analyzed_sql[0]['select_expr']) == 0 && isset($analyzed_sql[0]['queryflags']['select_from']) && count($analyzed_sql[0]['table_ref']) == 1) {
PMA_handleSortOrder($db, $table, $analyzed_sql, $sql_data['valid_sql'][$sql_no]);
}
// Do append a "LIMIT" clause?
if ($_SESSION['tmp_user_values']['max_rows'] != 'all' && !($is_count || $is_export || $is_func || $is_analyse) && isset($analyzed_sql[0]['queryflags']['select_from']) && !isset($analyzed_sql[0]['queryflags']['offset']) && empty($analyzed_sql[0]['limit_clause'])) {
$sql_limit_to_append = ' LIMIT ' . $_SESSION['tmp_user_values']['pos'] . ', ' . $_SESSION['tmp_user_values']['max_rows'] . " ";
$sql_data['valid_sql'][$sql_no] = PMA_getSqlWithLimitClause($sql_data['valid_sql'][$sql_no], $analyzed_sql, $sql_limit_to_append);
}
// Set the needed properties related to executing sql query
$displayResultsObject->__set('db', $db);
$displayResultsObject->__set('table', $table);
$displayResultsObject->__set('goto', $goto);
}
if (!$is_affected) {
$num_rows = $result ? @PMA_DBI_num_rows($result) : 0;
} elseif (!isset($num_rows)) {
$num_rows = @PMA_DBI_affected_rows();
}
if (isset($sql_data['valid_sql'][$sql_no])) {
$displayResultsObject->__set('sql_query', $sql_data['valid_sql'][$sql_no]);
$displayResultsObject->setProperties($unlim_num_rows, $fields_meta, $is_count, $is_export, $is_func, $is_analyse, $num_rows, $fields_cnt, $querytime, $pmaThemeImage, $text_dir, $is_maint, $is_explain, $is_show, $showtable, $printview, $url_query, $editable);
}
if ($num_rows == 0) {
continue;
}
// With multiple results, operations are limied
$disp_mode = 'nnnn000000';
$is_limited_display = true;
// Collect the tables
$table_html .= $displayResultsObject->getTable($result, $disp_mode, $analyzed_sql, $is_limited_display);
// Free the result to save the memory
PMA_DBI_free_result($result);
$sql_no++;
} while (PMA_DBI_more_results() && PMA_DBI_next_result());
return $table_html;
}
/**
* returns array with tables of given db with extended infomation and grouped
*
* @uses $GLOBALS['cfg']['LeftFrameTableSeparator']
* @uses $GLOBALS['cfg']['LeftFrameTableLevel']
* @uses $GLOBALS['cfg']['ShowTooltipAliasTB']
* @uses $GLOBALS['cfg']['NaturalOrder']
* @uses PMA_DBI_fetch_result()
* @uses PMA_backquote()
* @uses count()
* @uses array_merge
* @uses uksort()
* @uses strstr()
* @uses explode()
* @param string $db name of db
* return array (rekursive) grouped table list
*/
function PMA_getTableList($db, $tables = null)
{
$sep = $GLOBALS['cfg']['LeftFrameTableSeparator'];
if (null === $tables) {
$tables = PMA_DBI_get_tables_full($db);
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($tables, 'strnatcasecmp');
}
}
if (count($tables) < 1) {
return $tables;
}
$default = array('Name' => '', 'Rows' => 0, 'Comment' => '', 'disp_name' => '');
$table_groups = array();
foreach ($tables as $table_name => $table) {
// check for correct row count
if (null === $table['Rows']) {
// Do not check exact row count here,
// if row count is invalid possibly the table is defect
// and this would break left frame;
// but we can check row count if this is a view,
// since PMA_Table::countRecords() returns a limited row count
// in this case.
// set this because PMA_Table::countRecords() can use it
$tbl_is_view = PMA_Table::isView($db, $table['Name']);
if ($tbl_is_view) {
$table['Rows'] = PMA_Table::countRecords($db, $table['Name'], $return = true);
}
}
// in $group we save the reference to the place in $table_groups
// where to store the table info
if ($GLOBALS['cfg']['LeftFrameDBTree'] && $sep && strstr($table_name, $sep)) {
$parts = explode($sep, $table_name);
$group =& $table_groups;
$i = 0;
$group_name_full = '';
while ($i < count($parts) - 1 && $i < $GLOBALS['cfg']['LeftFrameTableLevel']) {
$group_name = $parts[$i] . $sep;
$group_name_full .= $group_name;
if (!isset($group[$group_name])) {
$group[$group_name] = array();
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} elseif (!isset($group[$group_name]['is' . $sep . 'group'])) {
$table = $group[$group_name];
$group[$group_name] = array();
$group[$group_name][$group_name] = $table;
unset($table);
$group[$group_name]['is' . $sep . 'group'] = true;
$group[$group_name]['tab' . $sep . 'count'] = 1;
$group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
} else {
$group[$group_name]['tab' . $sep . 'count']++;
}
$group =& $group[$group_name];
$i++;
}
} else {
if (!isset($table_groups[$table_name])) {
$table_groups[$table_name] = array();
}
$group =& $table_groups;
}
if ($GLOBALS['cfg']['ShowTooltipAliasTB'] && $GLOBALS['cfg']['ShowTooltipAliasTB'] !== 'nested') {
// switch tooltip and name
$table['Comment'] = $table['Name'];
$table['disp_name'] = $table['Comment'];
} else {
$table['disp_name'] = $table['Name'];
}
$group[$table_name] = array_merge($default, $table);
}
return $table_groups;
}
$tbl_type = $GLOBALS['strView'];
$show_comment = null;
} else {
$tbl_is_view = false;
$tbl_type = isset($showtable['Type']) ? strtoupper($showtable['Type']) : '';
// a new comment could be coming from tbl_operations.php
// and we want to show it in the header
if (isset($submitcomment) && isset($comment)) {
$show_comment = $comment;
} else {
$show_comment = isset($showtable['Comment']) ? $showtable['Comment'] : '';
}
}
$tbl_collation = empty($showtable['Collation']) ? '' : $showtable['Collation'];
if (null === $showtable['Rows']) {
$showtable['Rows'] = PMA_Table::countRecords($GLOBALS['db'], $showtable['Name'], true, true);
}
$table_info_num_rows = isset($showtable['Rows']) ? $showtable['Rows'] : 0;
$auto_increment = isset($showtable['Auto_increment']) ? $showtable['Auto_increment'] : '';
$create_options = isset($showtable['Create_options']) ? explode(' ', $showtable['Create_options']) : array();
// export create options by its name as variables into gloabel namespace
// f.e. pack_keys=1 becomes available as $pack_keys with value of '1'
unset($pack_keys);
foreach ($create_options as $each_create_option) {
$each_create_option = explode('=', $each_create_option);
if (isset($each_create_option[1])) {
${$each_create_option}[0] = $each_create_option[1];
}
}
// we need explicit DEFAULT value here (different from '0')
$pack_keys = !isset($pack_keys) || strlen($pack_keys) == 0 ? 'DEFAULT' : $pack_keys;
echo __('Rows:');
?>
</h3>
<ul>
<li>
<?php
if (isset($_GET['allrows']) && $_GET['allrows'] == 1) {
echo '<input type="radio" name="allrows" value="0" id="radio_allrows_0" />';
} else {
echo '<input type="radio" name="allrows" value="0" id="radio_allrows_0" checked="checked" />';
}
echo '<label for ="radio_allrows_0">' . __('Dump some row(s)') . '</label>';
?>
<ul>
<li><label for="limit_to"><?php
echo __('Number of rows:') . '</label> <input type="text" id="limit_to" name="limit_to" size="5" value="' . (isset($_GET['limit_to']) ? htmlspecialchars($_GET['limit_to']) : (isset($unlim_num_rows) ? $unlim_num_rows : PMA_Table::countRecords($db, $table))) . '" onfocus="this.select()" />';
?>
</li>
<li><label for="limit_from"><?php
echo __('Row to begin at:') . '</label> <input type="text" id="limit_from" name="limit_from" value="' . (isset($_GET['limit_from']) ? htmlspecialchars($_GET['limit_from']) : '0') . '" size="5" onfocus="this.select()" />';
?>
</li>
</ul>
</li>
<li>
<?php
if (isset($_GET['allrows']) && $_GET['allrows'] == 0) {
echo '<input type="radio" name="allrows" value="1" id="radio_allrows_1" />';
} else {
echo '<input type="radio" name="allrows" value="1" id="radio_allrows_1" checked="checked" />';
}
/**
* Prints Html For Export Options Rows
*
* @param String $db Selected DB
* @param String $table Selected Table
* @param String $unlim_num_rows Num of Rows
*
* @return string
*/
function PMA_getHtmlForExportOptionsRows($db, $table, $unlim_num_rows)
{
$html = '<div class="exportoptions" id="rows">';
$html .= '<h3>' . __('Rows:') . '</h3>';
$html .= '<ul>';
$html .= '<li>';
$html .= '<input type="radio" name="allrows" value="0" id="radio_allrows_0"';
if (isset($_GET['allrows']) && $_GET['allrows'] == 0) {
$html .= ' checked="checked"';
}
$html .= '/>';
$html .= '<label for ="radio_allrows_0">' . __('Dump some row(s)') . '</label>';
$html .= '<ul>';
$html .= '<li>';
$html .= '<label for="limit_to">' . __('Number of rows:') . '</label>';
$html .= '<input type="text" id="limit_to" name="limit_to" size="5" value="';
if (isset($_GET['limit_to'])) {
$html .= htmlspecialchars($_GET['limit_to']);
} elseif (!empty($unlim_num_rows)) {
$html .= $unlim_num_rows;
} else {
$html .= PMA_Table::countRecords($db, $table);
}
$html .= '" onfocus="this.select()" />';
$html .= '</li>';
$html .= '<li>';
$html .= '<label for="limit_from">' . __('Row to begin at:') . '</label>';
$html .= '<input type="text" id="limit_from" name="limit_from" value="';
if (isset($_GET['limit_from'])) {
$html .= htmlspecialchars($_GET['limit_from']);
} else {
$html .= '0';
}
$html .= '" size="5" onfocus="this.select()" />';
$html .= '</li>';
$html .= '</ul>';
$html .= '</li>';
$html .= '<li>';
$html .= '<input type="radio" name="allrows" value="1" id="radio_allrows_1"';
if (!isset($_GET['allrows']) || $_GET['allrows'] == 1) {
$html .= ' checked="checked"';
}
$html .= '/>';
$html .= ' <label for="radio_allrows_1">' . __('Dump all rows') . '</label>';
$html .= '</li>';
$html .= '</ul>';
$html .= '</div>';
return $html;
}
/**
* Test for countRecords
*
* @return void
*/
public function testCountRecords()
{
$table = 'PMA_BookMark';
$db = 'PMA';
PMA_Table::$cache[$db][$table] = array('Comment' => "Comment222");
$return = PMA_Table::countRecords($db, $table, false, true);
$expect = 20;
$this->assertEquals($expect, $return);
}
/**
* Test for countRecords
*
* @return void
*/
public function testCountRecords()
{
$map = array(array('PMA.PMA_BookMark', null, array('Comment' => "Comment222", 'TABLE_TYPE' => "VIEW")), array('PMA.PMA_BookMark.TABLE_TYPE', null, 'VIEW'));
$GLOBALS['dbi']->expects($this->any())->method('getCachedTableContent')->will($this->returnValueMap($map));
$table = 'PMA_BookMark';
$db = 'PMA';
$tableObj = new PMA_Table($table, $db);
$return = $tableObj->countRecords(true);
$expect = 20;
$this->assertEquals($expect, $return);
}
/**
* Returns the table tabs as an array
*
* @return array Data for generating table tabs
*/
private function _getTableTabs()
{
$db_is_information_schema = PMA_is_system_schema($this->_db);
$tbl_is_view = PMA_Table::isView($this->_db, $this->_table);
$table_info_num_rows = PMA_Table::countRecords($this->_db, $this->_table);
$tabs = array();
$tabs['browse']['icon'] = 'b_browse.png';
$tabs['browse']['text'] = __('Browse');
$tabs['browse']['link'] = 'sql.php';
$tabs['browse']['args']['pos'] = 0;
$tabs['structure']['icon'] = 'b_props.png';
$tabs['structure']['link'] = 'tbl_structure.php';
$tabs['structure']['text'] = __('Structure');
$tabs['sql']['icon'] = 'b_sql.png';
$tabs['sql']['link'] = 'tbl_sql.php';
$tabs['sql']['text'] = __('SQL');
$tabs['search']['icon'] = 'b_search.png';
$tabs['search']['text'] = __('Search');
$tabs['search']['link'] = 'tbl_select.php';
$tabs['search']['active'] = in_array(basename($GLOBALS['PMA_PHP_SELF']), array('tbl_select.php', 'tbl_zoom_select.php'));
if (!$db_is_information_schema) {
$tabs['insert']['icon'] = 'b_insrow.png';
$tabs['insert']['link'] = 'tbl_change.php';
$tabs['insert']['text'] = __('Insert');
}
$tabs['export']['icon'] = 'b_tblexport.png';
$tabs['export']['link'] = 'tbl_export.php';
$tabs['export']['args']['single_table'] = 'true';
$tabs['export']['text'] = __('Export');
/**
* Don't display "Import" and "Operations"
* for views and information_schema
*/
if (!$tbl_is_view && !$db_is_information_schema) {
$tabs['import']['icon'] = 'b_tblimport.png';
$tabs['import']['link'] = 'tbl_import.php';
$tabs['import']['text'] = __('Import');
$tabs['operation']['icon'] = 'b_tblops.png';
$tabs['operation']['link'] = 'tbl_operations.php';
$tabs['operation']['text'] = __('Operations');
}
if (PMA_Tracker::isActive()) {
$tabs['tracking']['icon'] = 'eye.png';
$tabs['tracking']['text'] = __('Tracking');
$tabs['tracking']['link'] = 'tbl_tracking.php';
}
if (!$db_is_information_schema && !PMA_DRIZZLE && PMA_Util::currentUserHasPrivilege('TRIGGER', $this->_db, $this->_table) && !$tbl_is_view) {
$tabs['triggers']['link'] = 'tbl_triggers.php';
$tabs['triggers']['text'] = __('Triggers');
$tabs['triggers']['icon'] = 'b_triggers.png';
}
/**
* Views support a limited number of operations
*/
if ($tbl_is_view && !$db_is_information_schema) {
$tabs['operation']['icon'] = 'b_tblops.png';
$tabs['operation']['link'] = 'view_operations.php';
$tabs['operation']['text'] = __('Operations');
}
return $tabs;
}
?>
</div>
</td></tr></table>
<script type="text/javascript">
//<![CDATA[
init_options();
//]]>
</script>
<?php
if (strlen($table) && !isset($num_tables)) {
?>
<div class="formelementrow">
<?php
echo sprintf($strDumpXRows, '<input type="text" name="limit_to" size="5" value="' . (isset($unlim_num_rows) ? $unlim_num_rows : PMA_Table::countRecords($db, $table, TRUE)) . '" onfocus="this.select()" />', '<input type="text" name="limit_from" value="0" size="5"' . ' onfocus="this.select()" /> ');
?>
</div>
<?php
}
?>
</fieldset>
<fieldset>
<legend>
<input type="checkbox" name="asfile" value="sendit"
id="checkbox_dump_asfile" <?php
PMA_exportCheckboxCheck('asfile');
?>
/>
<label for="checkbox_dump_asfile"><?php
/**
* Gets foreign keys in preparation for a drop-down selector
*
* @param array $foreigners array of the foreign keys
* @param string $field the foreign field name
* @param bool $override_total whether to override the total
* @param string $foreign_filter a possible filter
* @param string $foreign_limit a possible LIMIT clause
*
* @return array data about the foreign keys
*
* @access public
*/
function PMA_getForeignData($foreigners, $field, $override_total, $foreign_filter, $foreign_limit)
{
// we always show the foreign field in the drop-down; if a display
// field is defined, we show it besides the foreign field
$foreign_link = false;
if ($foreigners && isset($foreigners[$field])) {
$foreigner = $foreigners[$field];
$foreign_db = $foreigner['foreign_db'];
$foreign_table = $foreigner['foreign_table'];
$foreign_field = $foreigner['foreign_field'];
// Count number of rows in the foreign table. Currently we do
// not use a drop-down if more than 200 rows in the foreign table,
// for speed reasons and because we need a better interface for this.
//
// We could also do the SELECT anyway, with a LIMIT, and ensure that
// the current value of the field is one of the choices.
$the_total = PMA_Table::countRecords($foreign_db, $foreign_table);
if ($override_total == true || $the_total < $GLOBALS['cfg']['ForeignKeyMaxLimit']) {
// foreign_display can be false if no display field defined:
$foreign_display = PMA_getDisplayField($foreign_db, $foreign_table);
$f_query_main = 'SELECT ' . PMA_backquote($foreign_field) . ($foreign_display == false ? '' : ', ' . PMA_backquote($foreign_display));
$f_query_from = ' FROM ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table);
$f_query_filter = empty($foreign_filter) ? '' : ' WHERE ' . PMA_backquote($foreign_field) . ' LIKE "%' . PMA_sqlAddSlashes($foreign_filter, true) . '%"' . ($foreign_display == false ? '' : ' OR ' . PMA_backquote($foreign_display) . ' LIKE "%' . PMA_sqlAddSlashes($foreign_filter, true) . '%"');
$f_query_order = $foreign_display == false ? '' : ' ORDER BY ' . PMA_backquote($foreign_table) . '.' . PMA_backquote($foreign_display);
$f_query_limit = isset($foreign_limit) ? $foreign_limit : '';
if (!empty($foreign_filter)) {
$res = PMA_DBI_query('SELECT COUNT(*)' . $f_query_from . $f_query_filter);
if ($res) {
$the_total = PMA_DBI_fetch_value($res);
@PMA_DBI_free_result($res);
} else {
$the_total = 0;
}
}
$disp = PMA_DBI_query($f_query_main . $f_query_from . $f_query_filter . $f_query_order . $f_query_limit);
if ($disp && PMA_DBI_num_rows($disp) > 0) {
// If a resultset has been created, pre-cache it in the $disp_row array
// This helps us from not needing to use mysql_data_seek by accessing a pre-cached
// PHP array. Usually those resultsets are not that big, so a performance hit should
// not be expected.
$disp_row = array();
while ($single_disp_row = @PMA_DBI_fetch_assoc($disp)) {
$disp_row[] = $single_disp_row;
}
@PMA_DBI_free_result($disp);
}
} else {
$disp_row = null;
$foreign_link = true;
}
}
// end if $foreigners
$foreignData['foreign_link'] = $foreign_link;
$foreignData['the_total'] = isset($the_total) ? $the_total : null;
$foreignData['foreign_display'] = isset($foreign_display) ? $foreign_display : null;
$foreignData['disp_row'] = isset($disp_row) ? $disp_row : null;
$foreignData['foreign_field'] = isset($foreign_field) ? $foreign_field : null;
return $foreignData;
}
/**
* Defines the display mode to use for the results of a sql query
*
* It uses a synthetic string that contains all the required informations.
* In this string:
* - the first two characters stand for the action to do while
* clicking on the "edit" link (eg 'ur' for update a row, 'nn' for no
* edit link...);
* - the next two characters stand for the action to do while
* clicking on the "delete" link (eg 'kp' for kill a process, 'nn' for
* no delete link...);
* - the next characters are boolean values (1/0) and respectively stand
* for sorting links, navigation bar, "insert a new row" link, the
* bookmark feature, the expand/collapse text/blob fields button and
* the "display printable view" option.
* Of course '0'/'1' means the feature won't/will be enabled.
*
* @param string the synthetic value for display_mode (see �1 a few
* lines above for explanations)
* @param integer the total number of rows returned by the sql query
* without any programmatically appended "LIMIT" clause
* (just a copy of $unlim_num_rows if it exists, else
* computed inside this function)
*
* @return array an array with explicit indexes for all the display
* elements
*
* @global string the database name
* @global string the table name
* @global integer the total number of rows returned by the sql query
* without any programmatically appended "LIMIT" clause
* @global array the properties of the fields returned by the query
* @global string the url to return to in case of error in a sql
* statement
*
* @access private
*
* @see PMA_displayTable()
*/
function PMA_setDisplayMode(&$the_disp_mode, &$the_total)
{
global $db, $table;
global $unlim_num_rows, $fields_meta;
global $err_url;
// 1. Initializes the $do_display array
$do_display = array();
$do_display['edit_lnk'] = $the_disp_mode[0] . $the_disp_mode[1];
$do_display['del_lnk'] = $the_disp_mode[2] . $the_disp_mode[3];
$do_display['sort_lnk'] = (string) $the_disp_mode[4];
$do_display['nav_bar'] = (string) $the_disp_mode[5];
$do_display['ins_row'] = (string) $the_disp_mode[6];
$do_display['bkm_form'] = (string) $the_disp_mode[7];
$do_display['text_btn'] = (string) $the_disp_mode[8];
$do_display['pview_lnk'] = (string) $the_disp_mode[9];
// 2. Display mode is not "false for all elements" -> updates the
// display mode
if ($the_disp_mode != 'nnnn000000') {
// 2.0 Print view -> set all elements to false!
if (isset($GLOBALS['printview']) && $GLOBALS['printview'] == '1') {
$do_display['edit_lnk'] = 'nn';
// no edit link
$do_display['del_lnk'] = 'nn';
// no delete link
$do_display['sort_lnk'] = (string) '0';
$do_display['nav_bar'] = (string) '0';
$do_display['ins_row'] = (string) '0';
$do_display['bkm_form'] = (string) '0';
$do_display['text_btn'] = (string) '0';
$do_display['pview_lnk'] = (string) '0';
} elseif ($GLOBALS['is_count'] || $GLOBALS['is_analyse'] || $GLOBALS['is_maint'] || $GLOBALS['is_explain']) {
$do_display['edit_lnk'] = 'nn';
// no edit link
$do_display['del_lnk'] = 'nn';
// no delete link
$do_display['sort_lnk'] = (string) '0';
$do_display['nav_bar'] = (string) '0';
$do_display['ins_row'] = (string) '0';
$do_display['bkm_form'] = (string) '1';
if ($GLOBALS['is_analyse']) {
$do_display['text_btn'] = (string) '1';
} else {
$do_display['text_btn'] = (string) '0';
}
$do_display['pview_lnk'] = (string) '1';
} elseif ($GLOBALS['is_show']) {
// 2.2.1 TODO : defines edit/delete links depending on show statement
$tmp = preg_match('@^SHOW[[:space:]]+(VARIABLES|(FULL[[:space:]]+)?PROCESSLIST|STATUS|TABLE|GRANTS|CREATE|LOGS|DATABASES|FIELDS)@i', $GLOBALS['sql_query'], $which);
if (isset($which[1]) && strpos(' ' . strtoupper($which[1]), 'PROCESSLIST') > 0) {
$do_display['edit_lnk'] = 'nn';
// no edit link
$do_display['del_lnk'] = 'kp';
// "kill process" type edit link
} else {
// Default case -> no links
$do_display['edit_lnk'] = 'nn';
// no edit link
$do_display['del_lnk'] = 'nn';
// no delete link
}
// 2.2.2 Other settings
$do_display['sort_lnk'] = (string) '0';
$do_display['nav_bar'] = (string) '0';
$do_display['ins_row'] = (string) '0';
$do_display['bkm_form'] = (string) '1';
$do_display['text_btn'] = (string) '1';
$do_display['pview_lnk'] = (string) '1';
} else {
$prev_table = $fields_meta[0]->table;
$do_display['text_btn'] = (string) '1';
for ($i = 0; $i < $GLOBALS['fields_cnt']; $i++) {
$is_link = $do_display['edit_lnk'] != 'nn' || $do_display['del_lnk'] != 'nn' || $do_display['sort_lnk'] != '0' || $do_display['ins_row'] != '0';
// 2.3.2 Displays edit/delete/sort/insert links?
if ($is_link && ($fields_meta[$i]->table == '' || $fields_meta[$i]->table != $prev_table)) {
$do_display['edit_lnk'] = 'nn';
// don't display links
$do_display['del_lnk'] = 'nn';
// TODO: May be problematic with same fields names in
// two joined table.
// $do_display['sort_lnk'] = (string) '0';
$do_display['ins_row'] = (string) '0';
if ($do_display['text_btn'] == '1') {
break;
}
}
// end if (2.3.2)
// 2.3.3 Always display print view link
$do_display['pview_lnk'] = (string) '1';
$prev_table = $fields_meta[$i]->table;
}
// end for
}
// end if..elseif...else (2.1 -> 2.3)
}
// end if (2)
// 3. Gets the total number of rows if it is unknown
if (isset($unlim_num_rows) && $unlim_num_rows != '') {
$the_total = $unlim_num_rows;
} elseif (($do_display['nav_bar'] == '1' || $do_display['sort_lnk'] == '1') && (isset($db) && strlen($db) && !empty($table))) {
$the_total = PMA_Table::countRecords($db, $table, true);
}
// 4. If navigation bar or sorting fields names urls should be
// displayed but there is only one row, change these settings to
// false
if ($do_display['nav_bar'] == '1' || $do_display['sort_lnk'] == '1') {
if (isset($unlim_num_rows) && $unlim_num_rows < 2) {
// garvin: force display of navbar for vertical/horizontal display-choice.
// $do_display['nav_bar'] = (string) '0';
$do_display['sort_lnk'] = (string) '0';
}
}
// end if (3)
// 5. Updates the synthetic var
$the_disp_mode = join('', $do_display);
return $do_display;
}
// we do a quick count (which uses MaxExactCount) because
// SQL_CALC_FOUND_ROWS is not quick on large InnoDB tables
// However, do not count again if we did it previously
// due to $find_real_end == true
if (! $is_group
&& ! isset($analyzed_sql[0]['queryflags']['union'])
&& ! isset($analyzed_sql[0]['queryflags']['distinct'])
&& ! isset($analyzed_sql[0]['table_ref'][1]['table_name'])
&& (empty($analyzed_sql[0]['where_clause']) || $analyzed_sql[0]['where_clause'] == '1 ')
&& ! isset($find_real_end)
) {
// "j u s t b r o w s i n g"
$unlim_num_rows = PMA_Table::countRecords($db, $table);
} else { // n o t " j u s t b r o w s i n g "
// add select expression after the SQL_CALC_FOUND_ROWS
// for UNION, just adding SQL_CALC_FOUND_ROWS
// after the first SELECT works.
// take the left part, could be:
// SELECT
// (SELECT
$count_query = PMA_SQP_formatHtml($parsed_sql, 'query_only', 0, $analyzed_sql[0]['position_of_first_select'] + 1);
$count_query .= ' SQL_CALC_FOUND_ROWS ';
// add everything that was after the first SELECT
$count_query .= PMA_SQP_formatHtml($parsed_sql, 'query_only', $analyzed_sql[0]['position_of_first_select'] + 1);
public static function sGetToolTip($db, $table)
{
return PMA_Table::sGetStatusInfo($db, $table, 'Comment') . ' (' . PMA_Table::countRecords($db, $table) . ')';
}
/**
* Get values for InnoDB table
* $current_table, $formatted_size, $unit, $sum_size
*
* @param array $current_table current table
* @param boolean $is_show_stats whether stats show or not
* @param double $sum_size sum size
*
* @return array
*/
function PMA_getValuesForInnodbTable($current_table, $is_show_stats, $sum_size)
{
$formatted_size = $unit = '';
if ($current_table['ENGINE'] == 'InnoDB' && $current_table['TABLE_ROWS'] < $GLOBALS['cfg']['MaxExactCount'] || !isset($current_table['TABLE_ROWS'])) {
$current_table['COUNTED'] = true;
$current_table['TABLE_ROWS'] = PMA_Table::countRecords($GLOBALS['db'], $current_table['TABLE_NAME'], true, false);
} else {
$current_table['COUNTED'] = false;
}
// Drizzle doesn't provide data and index length, check for null
if ($is_show_stats && $current_table['Data_length'] !== null) {
$tblsize = $current_table['Data_length'] + $current_table['Index_length'];
$sum_size += $tblsize;
list($formatted_size, $unit) = PMA_Util::formatByteDown($tblsize, 3, $tblsize > 0 ? 1 : 0);
}
return array($current_table, $formatted_size, $unit, $sum_size);
}
/**
* loads structure data
*/
function loadStructure()
{
$table_info = PMA_DBI_get_tables_full($this->getDbName(), $this->getName());
if (false === $table_info) {
return false;
}
$this->settings = $table_info;
if ($this->get('TABLE_ROWS') === null) {
$this->set('TABLE_ROWS', PMA_Table::countRecords($this->getDbName(), $this->getName(), true, true));
}
$create_options = explode(' ', $this->get('TABLE_ROWS'));
// export create options by its name as variables into gloabel namespace
// f.e. pack_keys=1 becomes available as $pack_keys with value of '1'
foreach ($create_options as $each_create_option) {
$each_create_option = explode('=', $each_create_option);
if (isset($each_create_option[1])) {
$this->set(${$each_create_option}[0], $each_create_option[1]);
}
}
}
foreach ($mime_map as $transformation) {
$column_name = $transformation['column_name'];
foreach ($transformation_types as $type) {
$file = PMA_securePath($transformation[$type]);
$extra_data = PMA_transformEditedValues($db, $table, $transformation, $edited_values, $file, $column_name, $extra_data, $type);
}
}
// end of loop for each $mime_map
}
// Need to check the inline edited value can be truncated by MySQL
// without informing while saving
$column_name = $_REQUEST['fields_name']['multi_edit'][0][0];
PMA_verifyWhetherValueCanBeTruncatedAndAppendExtraData($db, $table, $column_name, $extra_data);
/**Get the total row count of the table*/
$_table = new PMA_Table($_REQUEST['table'], $_REQUEST['db']);
$extra_data['row_count'] = $_table->countRecords();
$extra_data['sql_query'] = PMA_Util::getMessage($message, $GLOBALS['display_query']);
$response = PMA_Response::getInstance();
$response->isSuccess($message->isSuccess());
$response->addJSON('message', $message);
$response->addJSON($extra_data);
exit;
}
if (!empty($return_to_sql_query)) {
$disp_query = $GLOBALS['sql_query'];
$disp_message = $message;
unset($message);
$GLOBALS['sql_query'] = $return_to_sql_query;
}
$scripts->addFile('tbl_change.js');
$scripts->addFile('big_ints.js');
/**
* Gets foreign keys in preparation for a drop-down selector
*
* @param array|boolean $foreigners array of the foreign keys
* @param string $field the foreign field name
* @param bool $override_total whether to override the total
* @param string $foreign_filter a possible filter
* @param string $foreign_limit a possible LIMIT clause
*
* @return array data about the foreign keys
*
* @access public
*/
function PMA_getForeignData($foreigners, $field, $override_total, $foreign_filter, $foreign_limit)
{
// we always show the foreign field in the drop-down; if a display
// field is defined, we show it besides the foreign field
$foreign_link = false;
do {
if (!$foreigners) {
break;
}
$foreigner = PMA_searchColumnInForeigners($foreigners, $field);
if ($foreigner != false) {
$foreign_db = $foreigner['foreign_db'];
$foreign_table = $foreigner['foreign_table'];
$foreign_field = $foreigner['foreign_field'];
} else {
break;
}
// Count number of rows in the foreign table. Currently we do
// not use a drop-down if more than ForeignKeyMaxLimit rows in the
// foreign table,
// for speed reasons and because we need a better interface for this.
//
// We could also do the SELECT anyway, with a LIMIT, and ensure that
// the current value of the field is one of the choices.
$the_total = PMA_Table::countRecords($foreign_db, $foreign_table, true);
if ($override_total == true || $the_total < $GLOBALS['cfg']['ForeignKeyMaxLimit']) {
// foreign_display can be false if no display field defined:
$foreign_display = PMA_getDisplayField($foreign_db, $foreign_table);
$f_query_main = 'SELECT ' . PMA_Util::backquote($foreign_field) . ($foreign_display == false ? '' : ', ' . PMA_Util::backquote($foreign_display));
$f_query_from = ' FROM ' . PMA_Util::backquote($foreign_db) . '.' . PMA_Util::backquote($foreign_table);
$f_query_filter = empty($foreign_filter) ? '' : ' WHERE ' . PMA_Util::backquote($foreign_field) . ' LIKE "%' . PMA_Util::sqlAddSlashes($foreign_filter, true) . '%"' . ($foreign_display == false ? '' : ' OR ' . PMA_Util::backquote($foreign_display) . ' LIKE "%' . PMA_Util::sqlAddSlashes($foreign_filter, true) . '%"');
$f_query_order = $foreign_display == false ? '' : ' ORDER BY ' . PMA_Util::backquote($foreign_table) . '.' . PMA_Util::backquote($foreign_display);
$f_query_limit = isset($foreign_limit) ? $foreign_limit : '';
if (!empty($foreign_filter)) {
$the_total = $GLOBALS['dbi']->fetchValue('SELECT COUNT(*)' . $f_query_from . $f_query_filter);
if ($the_total === false) {
$the_total = 0;
}
}
$disp = $GLOBALS['dbi']->tryQuery($f_query_main . $f_query_from . $f_query_filter . $f_query_order . $f_query_limit);
if ($disp && $GLOBALS['dbi']->numRows($disp) > 0) {
// If a resultset has been created, pre-cache it in the $disp_row
// array. This helps us from not needing to use mysql_data_seek by
// accessing a pre-cached PHP array. Usually those resultsets are
// not that big, so a performance hit should not be expected.
$disp_row = array();
while ($single_disp_row = @$GLOBALS['dbi']->fetchAssoc($disp)) {
$disp_row[] = $single_disp_row;
}
@$GLOBALS['dbi']->freeResult($disp);
} else {
// Either no data in the foreign table or
// user does not have select permission to foreign table/field
// Show an input field with a 'Browse foreign values' link
$disp_row = null;
$foreign_link = true;
}
} else {
$disp_row = null;
$foreign_link = true;
}
} while (false);
$foreignData = array();
$foreignData['foreign_link'] = $foreign_link;
$foreignData['the_total'] = isset($the_total) ? $the_total : null;
$foreignData['foreign_display'] = isset($foreign_display) ? $foreign_display : null;
$foreignData['disp_row'] = isset($disp_row) ? $disp_row : null;
$foreignData['foreign_field'] = isset($foreign_field) ? $foreign_field : null;
return $foreignData;
}
/**
* Provides the main table to form the LEFT JOIN clause
*
* @param array $all_tables Tables involved in the search
* @param array $all_columns Columns involved in the search
* @param array $where_clause_columns Columns having criteria where clause
* @param array $where_clause_tables Tables having criteria where clause
*
* @return string table name
*/
private function _getMasterTable($all_tables, $all_columns, $where_clause_columns, $where_clause_tables)
{
$master = '';
if (count($where_clause_tables) == 1) {
// If there is exactly one column that has a decent where-clause
// we will just use this
$master = key($where_clause_tables);
} 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)
$candidate_columns = $this->_getLeftJoinColumnCandidates($all_tables, $all_columns, $where_clause_columns);
// If our array of candidates has more than one member we'll just
// find the smallest table.
// Of course the actual query would be faster if we check for
// the Criteria which gives the smallest result set in its table,
// but it would take too much time to check this
if (count($candidate_columns) > 1) {
// Of course we only want to check each table once
$checked_tables = $candidate_columns;
foreach ($candidate_columns as $table) {
if ($checked_tables[$table] != 1) {
$tsize[$table] = PMA_Table::countRecords($this->_db, $table, false);
$checked_tables[$table] = 1;
}
$csize[$table] = $tsize[$table];
}
asort($csize);
reset($csize);
$master = key($csize);
// Smallest
} else {
reset($candidate_columns);
$master = current($candidate_columns);
// Only one single candidate
}
}
// end if (exactly one where clause)
return $master;
}
