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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used with the relation and pdf feature
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Executes a query as controluser if possible, otherwise as normal user
*
* @param string $sql the query to execute
* @param boolean $show_error whether to display SQL error messages or not
* @param int $options query options
*
* @return integer the result set, or false if no result set
*
* @access public
*
*/
function PMA_queryAsControlUser($sql, $show_error = true, $options = 0)
{
// Avoid caching of the number of rows affected; for example, this function
// is called for tracking purposes but we want to display the correct number
// of rows affected by the original query, not by the query generated for
// tracking.
$cache_affected_rows = false;
if ($show_error) {
$result = PMA_DBI_query(
$sql,
$GLOBALS['controllink'],
$options,
$cache_affected_rows
);
} else {
$result = @PMA_DBI_try_query(
$sql,
$GLOBALS['controllink'],
$options,
$cache_affected_rows
);
} // end if... else...
if ($result) {
return $result;
} else {
return false;
}
} // end of the "PMA_queryAsControlUser()" function
/**
* Returns current relation parameters
*
* @return array $cfgRelation
*/
function PMA_getRelationsParam()
{
if (empty($_SESSION['relation'][$GLOBALS['server']])) {
$_SESSION['relation'][$GLOBALS['server']] = PMA__getRelationsParam();
}
// just for BC but needs to be before PMA_getRelationsParamDiagnostic()
// which uses it
$GLOBALS['cfgRelation'] = $_SESSION['relation'][$GLOBALS['server']];
return $_SESSION['relation'][$GLOBALS['server']];
}
/**
* prints out diagnostic info for pma relation feature
*
* @param array $cfgRelation Relation configuration
*
* @return string
*/
function PMA_getRelationsParamDiagnostic($cfgRelation)
{
$retval = '';
$messages['error'] = '<font color="red"><strong>'
. __('not OK')
. '</strong></font>'
. ' [ <a href="Documentation.html#%s" target="documentation">'
. __('Documentation')
. '</a> ]';
$messages['ok'] = '<font color="green"><strong>'
. _pgettext('Correctly working', 'OK')
. '</strong></font>';
$messages['enabled'] = '<font color="green">' . __('Enabled') . '</font>';
$messages['disabled'] = '<font color="red">' . __('Disabled') . '</font>';
if (false === $GLOBALS['cfg']['Server']['pmadb']) {
$retval .= 'PMA Database ... '
. sprintf($messages['error'], 'pmadb')
. '<br />' . "\n"
. __('General relation features')
. ' <font color="green">' . __('Disabled')
. '</font>' . "\n";
} else {
$retval .= '<table>' . "\n";
$retval .= PMA_getDiagMessageForParameter(
'pmadb',
$GLOBALS['cfg']['Server']['pmadb'],
$messages,
'pmadb'
);
$retval .= PMA_getDiagMessageForParameter(
'relation',
isset($cfgRelation['relation']),
$messages,
'relation'
);
$retval .= PMA_getDiagMessageForFeature(
__('General relation features'),
'relwork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'table_info',
isset($cfgRelation['table_info']),
$messages,
'table_info'
);
$retval .= PMA_getDiagMessageForFeature(
__('Display Features'),
'displaywork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'table_coords',
isset($cfgRelation['table_coords']),
$messages,
'table_coords'
);
$retval .= PMA_getDiagMessageForParameter(
'pdf_pages',
isset($cfgRelation['pdf_pages']),
$messages,
'table_coords'
);
$retval .= PMA_getDiagMessageForFeature(
__('Creation of PDFs'),
'pdfwork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'column_info',
isset($cfgRelation['column_info']),
$messages,
'col_com'
);
$retval .= PMA_getDiagMessageForFeature(
__('Displaying Column Comments'),
'commwork',
$messages,
false
);
$retval .= PMA_getDiagMessageForFeature(
__('Browser transformation'),
'mimework',
$messages
);
if ($cfgRelation['commwork'] && ! $cfgRelation['mimework']) {
$retval .= '<tr><td colspan=2 class="left">';
$retval .= __('Please see the documentation on how to update your column_comments table');
$retval .= '</td></tr>';
}
$retval .= PMA_getDiagMessageForParameter(
'bookmarktable',
isset($cfgRelation['bookmark']),
$messages,
'bookmark'
);
$retval .= PMA_getDiagMessageForFeature(
__('Bookmarked SQL query'),
'bookmarkwork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'history',
isset($cfgRelation['history']),
$messages,
'history'
);
$retval .= PMA_getDiagMessageForFeature(
__('SQL history'),
'historywork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'designer_coords',
isset($cfgRelation['designer_coords']),
$messages,
'designer_coords'
);
$retval .= PMA_getDiagMessageForFeature(
__('Designer'),
'designerwork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'recent',
isset($cfgRelation['recent']),
$messages,
'recent'
);
$retval .= PMA_getDiagMessageForFeature(
__('Persistent recently used tables'),
'recentwork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'table_uiprefs',
isset($cfgRelation['table_uiprefs']),
$messages,
'table_uiprefs'
);
$retval .= PMA_getDiagMessageForFeature(
__('Persistent tables\' UI preferences'),
'uiprefswork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'tracking',
isset($cfgRelation['tracking']),
$messages,
'tracking'
);
$retval .= PMA_getDiagMessageForFeature(
__('Tracking'),
'trackingwork',
$messages
);
$retval .= PMA_getDiagMessageForParameter(
'userconfig',
isset($cfgRelation['userconfig']),
$messages,
'userconfig'
);
$retval .= PMA_getDiagMessageForFeature(
__('User preferences'),
'userconfigwork',
$messages
);
$retval .= '</table>' . "\n";
$retval .= '<p>' . __('Quick steps to setup advanced features:') . '</p>';
$retval .= '<ul>';
$retval .= '<li>';
$retval .= __(
'Create the needed tables with the '
. '<code>examples/create_tables.sql</code>.'
);
$retval .= ' ' . PMA_Util::showDocu('linked-tables');
$retval .= '</li>';
$retval .= '<li>';
$retval .= __('Create a pma user and give access to these tables.');
$retval .= ' ' . PMA_Util::showDocu('pmausr');
$retval .= '</li>';
$retval .= '<li>';
$retval .= __(
'Enable advanced features in configuration file '
. '(<code>config.inc.php</code>), for example by '
. 'starting from <code>config.sample.inc.php</code>.'
);
$retval .= ' ' . PMA_Util::showDocu('quick_install');
$retval .= '</li>';
$retval .= '<li>';
$retval .= __(
'Re-login to phpMyAdmin to load the updated configuration file.'
);
$retval .= '</li>';
$retval .= '</ul>';
}
return $retval;
}
/**
* prints out one diagnostic message for a feature
*
* @param string $feature_name feature name in a message string
* @param string $relation_parameter the $GLOBALS['cfgRelation'] parameter to check
* @param array $messages utility messages
* @param boolean $skip_line whether to skip a line after the message
*
* @return string
*/
function PMA_getDiagMessageForFeature($feature_name,
$relation_parameter, $messages, $skip_line = true
) {
$retval = ' <tr><td colspan=2 class="right">' . $feature_name . ': ';
if ($GLOBALS['cfgRelation'][$relation_parameter]) {
$retval .= $messages['enabled'];
} else {
$retval .= $messages['disabled'];
}
$retval .= '</td></tr>';
if ($skip_line) {
$retval .= '<tr><td>&nbsp;</td></tr>';
}
return $retval;
}
/**
* prints out one diagnostic message for a configuration parameter
*
* @param string $parameter config parameter name to display
* @param boolean $relation_parameter_set whether this parameter is set
* @param array $messages utility messages
* @param string $doc_anchor anchor in Documentation.html
*
* @return void
*/
function PMA_getDiagMessageForParameter($parameter,
$relation_parameter_set, $messages, $doc_anchor
) {
$retval = '<tr><th class="left">';
$retval .= '$cfg[\'Servers\'][$i][\'' . $parameter . '\'] ... ';
$retval .= '</th><td class="right">';
if ($relation_parameter_set) {
$retval .= $messages['ok'];
} else {
$retval .= sprintf($messages['error'], $doc_anchor);
}
$retval .= '</td></tr>' . "\n";
return $retval;
}
/**
* Defines the relation parameters for the current user
* just a copy of the functions used for relations ;-)
* but added some stuff to check what will work
*
* @access protected
* @return array the relation parameters for the current user
*/
function PMA__getRelationsParam()
{
$cfgRelation = array();
$cfgRelation['relwork'] = false;
$cfgRelation['displaywork'] = false;
$cfgRelation['bookmarkwork']= false;
$cfgRelation['pdfwork'] = false;
$cfgRelation['commwork'] = false;
$cfgRelation['mimework'] = false;
$cfgRelation['historywork'] = false;
$cfgRelation['recentwork'] = false;
$cfgRelation['uiprefswork'] = false;
$cfgRelation['trackingwork'] = false;
$cfgRelation['designerwork'] = false;
$cfgRelation['userconfigwork'] = false;
$cfgRelation['allworks'] = false;
$cfgRelation['user'] = null;
$cfgRelation['db'] = null;
if ($GLOBALS['server'] == 0 || empty($GLOBALS['cfg']['Server']['pmadb'])
|| ! PMA_DBI_select_db($GLOBALS['cfg']['Server']['pmadb'], $GLOBALS['controllink'])
) {
// No server selected -> no bookmark table
// we return the array with the falses in it,
// to avoid some 'Unitialized string offset' errors later
$GLOBALS['cfg']['Server']['pmadb'] = false;
return $cfgRelation;
}
$cfgRelation['user'] = $GLOBALS['cfg']['Server']['user'];
$cfgRelation['db'] = $GLOBALS['cfg']['Server']['pmadb'];
// Now I just check if all tables that i need are present so I can for
// example enable relations but not pdf...
// I was thinking of checking if they have all required columns but I
// fear it might be too slow
$tab_query = 'SHOW TABLES FROM '
. PMA_Util::backquote(
$GLOBALS['cfg']['Server']['pmadb']
);
$tab_rs = PMA_queryAsControlUser($tab_query, false, PMA_DBI_QUERY_STORE);
if (! $tab_rs) {
// query failed ... ?
//$GLOBALS['cfg']['Server']['pmadb'] = false;
return $cfgRelation;
}
while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) {
if ($curr_table[0] == $GLOBALS['cfg']['Server']['bookmarktable']) {
$cfgRelation['bookmark'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['relation']) {
$cfgRelation['relation'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_info']) {
$cfgRelation['table_info'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_coords']) {
$cfgRelation['table_coords'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['designer_coords']) {
$cfgRelation['designer_coords'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['column_info']) {
$cfgRelation['column_info'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['pdf_pages']) {
$cfgRelation['pdf_pages'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['history']) {
$cfgRelation['history'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['recent']) {
$cfgRelation['recent'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['table_uiprefs']) {
$cfgRelation['table_uiprefs'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['tracking']) {
$cfgRelation['tracking'] = $curr_table[0];
} elseif ($curr_table[0] == $GLOBALS['cfg']['Server']['userconfig']) {
$cfgRelation['userconfig'] = $curr_table[0];
}
} // end while
PMA_DBI_free_result($tab_rs);
if (isset($cfgRelation['relation'])) {
$cfgRelation['relwork'] = true;
if (isset($cfgRelation['table_info'])) {
$cfgRelation['displaywork'] = true;
}
}
if (isset($cfgRelation['table_coords']) && isset($cfgRelation['pdf_pages'])) {
$cfgRelation['pdfwork'] = true;
}
if (isset($cfgRelation['column_info'])) {
$cfgRelation['commwork'] = true;
$cfgRelation['mimework'] = true;
}
if (isset($cfgRelation['history'])) {
$cfgRelation['historywork'] = true;
}
if (isset($cfgRelation['recent'])) {
$cfgRelation['recentwork'] = true;
}
if (isset($cfgRelation['table_uiprefs'])) {
$cfgRelation['uiprefswork'] = true;
}
if (isset($cfgRelation['tracking'])) {
$cfgRelation['trackingwork'] = true;
}
if (isset($cfgRelation['userconfig'])) {
$cfgRelation['userconfigwork'] = true;
}
// we do not absolutely need that the internal relations or the PDF
// schema feature be activated
if (isset($cfgRelation['designer_coords'])) {
$cfgRelation['designerwork'] = true;
}
if (isset($cfgRelation['bookmark'])) {
$cfgRelation['bookmarkwork'] = true;
}
if ($cfgRelation['relwork'] && $cfgRelation['displaywork']
&& $cfgRelation['pdfwork'] && $cfgRelation['commwork']
&& $cfgRelation['mimework'] && $cfgRelation['historywork']
&& $cfgRelation['recentwork'] && $cfgRelation['uiprefswork']
&& $cfgRelation['trackingwork'] && $cfgRelation['userconfigwork']
&& $cfgRelation['bookmarkwork'] && $cfgRelation['designerwork']
) {
$cfgRelation['allworks'] = true;
}
return $cfgRelation;
} // end of the 'PMA_getRelationsParam()' function
/**
* Gets all Relations to foreign tables for a given table or
* optionally a given column in a table
*
* @param string $db the name of the db to check for
* @param string $table the name of the table to check for
* @param string $column the name of the column to check for
* @param string $source the source for foreign key information
*
* @return array db,table,column
*
* @access public
*/
function PMA_getForeigners($db, $table, $column = '', $source = 'both')
{
$cfgRelation = PMA_getRelationsParam();
$foreign = array();
if ($cfgRelation['relwork'] && ($source == 'both' || $source == 'internal')) {
$rel_query = '
SELECT `master_field`,
`foreign_db`,
`foreign_table`,
`foreign_field`
FROM ' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['relation']) . '
WHERE `master_db` = \'' . PMA_Util::sqlAddSlashes($db) . '\'
AND `master_table` = \'' . PMA_Util::sqlAddSlashes($table) . '\' ';
if (strlen($column)) {
$rel_query .= ' AND `master_field` = \'' . PMA_Util::sqlAddSlashes($column) . '\'';
}
$foreign = PMA_DBI_fetch_result($rel_query, 'master_field', null, $GLOBALS['controllink']);
}
if (($source == 'both' || $source == 'foreign') && strlen($table)) {
$show_create_table_query = 'SHOW CREATE TABLE '
. PMA_Util::backquote($db) . '.' . PMA_Util::backquote($table);
$show_create_table = PMA_DBI_fetch_value($show_create_table_query, 0, 1);
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
foreach ($analyzed_sql[0]['foreign_keys'] as $one_key) {
// The analyzer may return more than one column name in the
// index list or the ref_index_list; if this happens,
// the current logic just discards the whole index; having
// more than one index field is currently unsupported (see FAQ 3.6)
if (count($one_key['index_list']) == 1) {
foreach ($one_key['index_list'] as $i => $field) {
// If a foreign key is defined in the 'internal' source (pmadb)
// and as a native foreign key, we won't get it twice
// if $source='both' because we use $field as key
// The parser looks for a CONSTRAINT clause just before
// the FOREIGN KEY clause. It finds it (as output from
// SHOW CREATE TABLE) in MySQL 4.0.13, but not in older
// versions like 3.23.58.
// In those cases, the FOREIGN KEY parsing will put numbers
// like -1, 0, 1... instead of the constraint number.
if (isset($one_key['constraint'])) {
$foreign[$field]['constraint'] = $one_key['constraint'];
}
if (isset($one_key['ref_db_name'])) {
$foreign[$field]['foreign_db'] = $one_key['ref_db_name'];
} else {
$foreign[$field]['foreign_db'] = $db;
}
$foreign[$field]['foreign_table'] = $one_key['ref_table_name'];
$foreign[$field]['foreign_field'] = $one_key['ref_index_list'][$i];
if (isset($one_key['on_delete'])) {
$foreign[$field]['on_delete'] = $one_key['on_delete'];
}
if (isset($one_key['on_update'])) {
$foreign[$field]['on_update'] = $one_key['on_update'];
}
}
}
}
}
/**
* Emulating relations for some information_schema and data_dictionary tables
*/
$is_information_schema = strtolower($db) == 'information_schema';
$is_data_dictionary = PMA_DRIZZLE && strtolower($db) == 'data_dictionary';
if (($is_information_schema || $is_data_dictionary) && ($source == 'internal' || $source == 'both')) {
if ($is_information_schema) {
$relations_key = 'information_schema_relations';
include_once './libraries/information_schema_relations.lib.php';
} else {
$relations_key = 'data_dictionary_relations';
include_once './libraries/data_dictionary_relations.lib.php';
}
if (isset($GLOBALS[$relations_key][$table])) {
foreach ($GLOBALS[$relations_key][$table] as $field => $relations) {
if ((! strlen($column) || $column == $field)
&& (! isset($foreign[$field]) || ! strlen($foreign[$field]))
) {
$foreign[$field] = $relations;
}
}
}
}
return $foreign;
} // end of the 'PMA_getForeigners()' function
/**
* Gets the display field of a table
*
* @param string $db the name of the db to check for
* @param string $table the name of the table to check for
*
* @return string field name
*
* @access public
*/
function PMA_getDisplayField($db, $table)
{
$cfgRelation = PMA_getRelationsParam();
/**
* Try to fetch the display field from DB.
*/
if ($cfgRelation['displaywork']) {
$disp_query = '
SELECT `display_field`
FROM ' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['table_info']) . '
WHERE `db_name` = \'' . PMA_Util::sqlAddSlashes($db) . '\'
AND `table_name` = \'' . PMA_Util::sqlAddSlashes($table) . '\'';
$row = PMA_DBI_fetch_single_row($disp_query, 'ASSOC', $GLOBALS['controllink']);
if (isset($row['display_field'])) {
return $row['display_field'];
}
}
/**
* Emulating the display field for some information_schema tables.
*/
if ($db == 'information_schema') {
switch ($table) {
case 'CHARACTER_SETS':
return 'DESCRIPTION';
case 'TABLES':
return 'TABLE_COMMENT';
}
}
/**
* No Luck...
*/
return false;
} // end of the 'PMA_getDisplayField()' function
/**
* Gets the comments for all rows of a table or the db itself
*
* @param string $db the name of the db to check for
* @param string $table the name of the table to check for
*
* @return array [field_name] = comment
*
* @access public
*/
function PMA_getComments($db, $table = '')
{
$comments = array();
if ($table != '') {
// MySQL native column comments
$fields = PMA_DBI_get_columns($db, $table, null, true);
if ($fields) {
foreach ($fields as $field) {
if (! empty($field['Comment'])) {
$comments[$field['Field']] = $field['Comment'];
}
}
}
} else {
$comments[] = PMA_getDbComment($db);
}
return $comments;
} // end of the 'PMA_getComments()' function
/**
* Gets the comment for a db
*
* @param string $db the name of the db to check for
*
* @return string comment
*
* @access public
*/
function PMA_getDbComment($db)
{
$cfgRelation = PMA_getRelationsParam();
$comment = '';
if ($cfgRelation['commwork']) {
// pmadb internal db comment
$com_qry = "
SELECT `comment`
FROM " . PMA_Util::backquote($cfgRelation['db']) . "." . PMA_Util::backquote($cfgRelation['column_info']) . "
WHERE db_name = '" . PMA_Util::sqlAddSlashes($db) . "'
AND table_name = ''
AND column_name = '(db_comment)'";
$com_rs = PMA_queryAsControlUser($com_qry, true, PMA_DBI_QUERY_STORE);
if ($com_rs && PMA_DBI_num_rows($com_rs) > 0) {
$row = PMA_DBI_fetch_assoc($com_rs);
$comment = $row['comment'];
}
PMA_DBI_free_result($com_rs);
}
return $comment;
} // end of the 'PMA_getDbComment()' function
/**
* Gets the comment for a db
*
* @access public
*
* @return string comment
*/
function PMA_getDbComments()
{
$cfgRelation = PMA_getRelationsParam();
$comments = array();
if ($cfgRelation['commwork']) {
// pmadb internal db comment
$com_qry = "
SELECT `db_name`, `comment`
FROM " . PMA_Util::backquote($cfgRelation['db']) . "." . PMA_Util::backquote($cfgRelation['column_info']) . "
WHERE `column_name` = '(db_comment)'";
$com_rs = PMA_queryAsControlUser($com_qry, true, PMA_DBI_QUERY_STORE);
if ($com_rs && PMA_DBI_num_rows($com_rs) > 0) {
while ($row = PMA_DBI_fetch_assoc($com_rs)) {
$comments[$row['db_name']] = $row['comment'];
}
}
PMA_DBI_free_result($com_rs);
}
return $comments;
} // end of the 'PMA_getDbComments()' function
/**
* Set a database comment to a certain value.
*
* @param string $db the name of the db
* @param string $comment the value of the column
*
* @return boolean true, if comment-query was made.
*
* @access public
*/
function PMA_setDbComment($db, $comment = '')
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['commwork']) {
return false;
}
if (strlen($comment)) {
$upd_query = "
INSERT INTO
" . PMA_Util::backquote($cfgRelation['db']) . "." . PMA_Util::backquote($cfgRelation['column_info']) . "
(`db_name`, `table_name`, `column_name`, `comment`)
VALUES (
'" . PMA_Util::sqlAddSlashes($db) . "',
'',
'(db_comment)',
'" . PMA_Util::sqlAddSlashes($comment) . "')
ON DUPLICATE KEY UPDATE
`comment` = '" . PMA_Util::sqlAddSlashes($comment) . "'";
} else {
$upd_query = '
DELETE FROM
' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_Util::sqlAddSlashes($db) . '\'
AND `table_name` = \'\'
AND `column_name` = \'(db_comment)\'';
}
if (isset($upd_query)) {
return PMA_queryAsControlUser($upd_query);
}
return false;
} // end of 'PMA_setDbComment()' function
/**
* Set a SQL history entry
*
* @param string $db the name of the db
* @param string $table the name of the table
* @param string $username the username
* @param string $sqlquery the sql query
*
* @return void
*
* @access public
*/
function PMA_setHistory($db, $table, $username, $sqlquery)
{
if (strlen($sqlquery) > $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
return;
}
$cfgRelation = PMA_getRelationsParam();
if (! isset($_SESSION['sql_history'])) {
$_SESSION['sql_history'] = array();
}
$key = md5($sqlquery . $db . $table);
if (isset($_SESSION['sql_history'][$key])) {
unset($_SESSION['sql_history'][$key]);
}
$_SESSION['sql_history'][$key] = array(
'db' => $db,
'table' => $table,
'sqlquery' => $sqlquery,
);
if (count($_SESSION['sql_history']) > $GLOBALS['cfg']['QueryHistoryMax']) {
// history should not exceed a maximum count
array_shift($_SESSION['sql_history']);
}
if (! $cfgRelation['historywork'] || ! $GLOBALS['cfg']['QueryHistoryDB']) {
return;
}
PMA_queryAsControlUser(
'INSERT INTO
' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['history']) . '
(`username`,
`db`,
`table`,
`timevalue`,
`sqlquery`)
VALUES
(\'' . PMA_Util::sqlAddSlashes($username) . '\',
\'' . PMA_Util::sqlAddSlashes($db) . '\',
\'' . PMA_Util::sqlAddSlashes($table) . '\',
NOW(),
\'' . PMA_Util::sqlAddSlashes($sqlquery) . '\')'
);
} // end of 'PMA_setHistory()' function
/**
* Gets a SQL history entry
*
* @param string $username the username
*
* @return array list of history items
*
* @access public
*/
function PMA_getHistory($username)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['historywork']) {
return false;
}
$hist_query = '
SELECT `db`,
`table`,
`sqlquery`
FROM ' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['history']) . '
WHERE `username` = \'' . PMA_Util::sqlAddSlashes($username) . '\'
ORDER BY `id` DESC';
return PMA_DBI_fetch_result($hist_query, null, null, $GLOBALS['controllink']);
} // end of 'PMA_getHistory()' function
/**
* purges SQL history
*
* deletes entries that exceeds $cfg['QueryHistoryMax'], oldest first, for the
* given user
*
* @param string $username the username
*
* @return void
*
* @access public
*/
function PMA_purgeHistory($username)
{
$cfgRelation = PMA_getRelationsParam();
if (! $GLOBALS['cfg']['QueryHistoryDB'] || ! $cfgRelation['historywork']) {
return;
}
if (! $cfgRelation['historywork']) {
return;
}
$search_query = '
SELECT `timevalue`
FROM ' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['history']) . '
WHERE `username` = \'' . PMA_Util::sqlAddSlashes($username) . '\'
ORDER BY `timevalue` DESC
LIMIT ' . $GLOBALS['cfg']['QueryHistoryMax'] . ', 1';
if ($max_time = PMA_DBI_fetch_value($search_query, 0, 0, $GLOBALS['controllink'])) {
PMA_queryAsControlUser(
'DELETE FROM
' . PMA_Util::backquote($cfgRelation['db']) . '.' . PMA_Util::backquote($cfgRelation['history']) . '
WHERE `username` = \'' . PMA_Util::sqlAddSlashes($username) . '\'
AND `timevalue` <= \'' . $max_time . '\''
);
}
} // end of 'PMA_purgeHistory()' function
/**
* Prepares the dropdown for one mode
*
* @param array $foreign the keys and values for foreigns
* @param string $data the current data of the dropdown
* @param string $mode the needed mode
*
* @return array the <option value=""><option>s
*
* @access protected
*/
function PMA__foreignDropdownBuild($foreign, $data, $mode)
{
$reloptions = array();
// id-only is a special mode used when no foreign display column
// is available
if ($mode == 'id-content' || $mode == 'id-only') {
// sort for id-content
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($foreign, 'strnatcasecmp');
} else {
ksort($foreign);
}
} elseif ($mode == 'content-id') {
// sort for content-id
if ($GLOBALS['cfg']['NaturalOrder']) {
natcasesort($foreign);
} else {
asort($foreign);
}
}
foreach ($foreign as $key => $value) {
if (PMA_strlen($value) <= $GLOBALS['cfg']['LimitChars']) {
$vtitle = '';
$value = htmlspecialchars($value);
} else {
$vtitle = htmlspecialchars($value);
$value = htmlspecialchars(substr($value, 0, $GLOBALS['cfg']['LimitChars']) . '...');
}
$reloption = '<option value="' . htmlspecialchars($key) . '"';
if ($vtitle != '') {
$reloption .= ' title="' . $vtitle . '"';
}
if ((string) $key == (string) $data) {
$reloption .= ' selected="selected"';
}
if ($mode == 'content-id') {
$reloptions[] = $reloption . '>' . $value . '&nbsp;-&nbsp;' . htmlspecialchars($key) . '</option>';
} elseif ($mode == 'id-content') {
$reloptions[] = $reloption . '>' . htmlspecialchars($key) . '&nbsp;-&nbsp;' . $value . '</option>';
} elseif ($mode == 'id-only') {
$reloptions[] = $reloption . '>' . htmlspecialchars($key) . '</option>';
}
} // end foreach
return $reloptions;
} // end of 'PMA__foreignDropdownBuild' function
/**
* Outputs dropdown with values of foreign fields
*
* @param array $disp_row array of the displayed row
* @param string $foreign_field the foreign field
* @param string $foreign_display the foreign field to display
* @param string $data the current data of the dropdown (field in row)
* @param int $max maximum number of items in the dropdown
*
* @return string the <option value=""><option>s
*
* @access public
*/
function PMA_foreignDropdown($disp_row, $foreign_field, $foreign_display, $data,
$max = null
) {
if (null === $max) {
$max = $GLOBALS['cfg']['ForeignKeyMaxLimit'];
}
$foreign = array();
// collect the data
foreach ($disp_row as $relrow) {
$key = $relrow[$foreign_field];
// if the display field has been defined for this foreign table
if ($foreign_display) {
$value = $relrow[$foreign_display];
} else {
$value = '';
} // end if ($foreign_display)
$foreign[$key] = $value;
} // end foreach
// put the dropdown sections in correct order
$top = array();
$bottom = array();
if ($foreign_display) {
if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'], 'array')) {
if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'][0])) {
$top = PMA__foreignDropdownBuild(
$foreign,
$data,
$GLOBALS['cfg']['ForeignKeyDropdownOrder'][0]
);
}
if (PMA_isValid($GLOBALS['cfg']['ForeignKeyDropdownOrder'][1])) {
$bottom = PMA__foreignDropdownBuild(
$foreign,
$data,
$GLOBALS['cfg']['ForeignKeyDropdownOrder'][1]
);
}
} else {
$top = PMA__foreignDropdownBuild($foreign, $data, 'id-content');
$bottom = PMA__foreignDropdownBuild($foreign, $data, 'content-id');
}
} else {
$top = PMA__foreignDropdownBuild($foreign, $data, 'id-only');
}
// beginning of dropdown
$ret = '<option value="">&nbsp;</option>';
$top_count = count($top);
if ($max == -1 || $top_count < $max) {
$ret .= implode('', $top);
if ($foreign_display && $top_count > 0) {
// this empty option is to visually mark the beginning of the
// second series of values (bottom)
$ret .= '<option value="">&nbsp;</option>';
}
}
if ($foreign_display) {
$ret .= implode('', $bottom);
}
return $ret;
} // end of 'PMA_foreignDropdown()' function
/**
* 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);
$f_query_main = 'SELECT ' . PMA_Util::backquote($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)) {
$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;
} // end of 'PMA_getForeignData()' function
/**
* Finds all related tables
*
* @param array $all_tables All the involved tables
* @param string $master The master table to form the LEFT JOIN clause
*
* @return string LEFT JOIN
* @access private
*/
function PMA_getRelatives($all_tables, $master)
{
$fromclause = '';
$emerg = '';
// The list of tables that we still couldn't connect
$remaining_tables = $all_tables;
unset($remaining_tables[$master]);
// The list of allready connected tables
$known_tables[$master] = $master;
$run = 0;
while (count($remaining_tables) > 0) {
// Whether to go from master to foreign or vice versa
if ($run % 2 == 0) {
$from = 'master';
$to = 'foreign';
} else {
$from = 'foreign';
$to = 'master';
}
$in_know = '(\'' . implode('\', \'', $known_tables) . '\')';
$in_left = '(\'' . implode('\', \'', $remaining_tables) . '\')';
$rel_query = 'SELECT *'
. ' FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. '.' . PMA_Util::backquote($GLOBALS['cfgRelation']['relation'])
. ' WHERE ' . $from . '_db = \'' . PMA_Util::sqlAddSlashes($GLOBALS['db']) . '\''
. ' AND ' . $to . '_db = \'' . PMA_Util::sqlAddSlashes($GLOBALS['db']) . '\''
. ' AND ' . $from . '_table IN ' . $in_know
. ' AND ' . $to . '_table IN ' . $in_left;
$relations = @PMA_DBI_query($rel_query, $GLOBALS['controllink']);
while ($row = PMA_DBI_fetch_assoc($relations)) {
$found_table = $row[$to . '_table'];
if (isset($remaining_tables[$found_table])) {
$fromclause
.= "\n" . ' LEFT JOIN '
. PMA_Util::backquote($GLOBALS['db']) . '.' . PMA_Util::backquote($row[$to . '_table']) . ' ON '
. PMA_Util::backquote($row[$from . '_table']) . '.'
. PMA_Util::backquote($row[$from . '_field']) . ' = '
. PMA_Util::backquote($row[$to . '_table']) . '.'
. PMA_Util::backquote($row[$to . '_field']) . ' ';
$known_tables[$found_table] = $found_table;
unset($remaining_tables[$found_table]);
}
} // end while
$run++;
if ($run > 5) {
foreach ($remaining_tables as $table) {
$emerg .= ', ' . PMA_Util::backquote($table);
unset($remaining_tables[$table]);
}
}
} // end while
$fromclause = $emerg . $fromclause;
return $fromclause;
} // end of the "PMA_getRelatives()" function
/**
* Rename a field in relation tables
*
* usually called after a field in a table was renamed in tbl_alter.php
*
* @param string $db databse name
* @param string $table table name
* @param string $field old field name
* @param string $new_name new field name
*
* @return void
*/
function PMA_REL_renameField($db, $table, $field, $new_name)
{
$cfgRelation = PMA_getRelationsParam();
if ($cfgRelation['displaywork']) {
$table_query = 'UPDATE '
. PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['table_info'])
. ' SET display_field = \'' . PMA_Util::sqlAddSlashes($new_name) . '\''
. ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND table_name = \'' . PMA_Util::sqlAddSlashes($table) . '\''
. ' AND display_field = \'' . PMA_Util::sqlAddSlashes($field) . '\'';
PMA_queryAsControlUser($table_query);
}
if ($cfgRelation['relwork']) {
$table_query = 'UPDATE '
. PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['relation'])
. ' SET master_field = \'' . PMA_Util::sqlAddSlashes($new_name) . '\''
. ' WHERE master_db = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND master_table = \'' . PMA_Util::sqlAddSlashes($table) . '\''
. ' AND master_field = \'' . PMA_Util::sqlAddSlashes($field) . '\'';
PMA_queryAsControlUser($table_query);
$table_query = 'UPDATE '
. PMA_Util::backquote($cfgRelation['db']) . '.'
. PMA_Util::backquote($cfgRelation['relation'])
. ' SET foreign_field = \'' . PMA_Util::sqlAddSlashes($new_name) . '\''
. ' WHERE foreign_db = \'' . PMA_Util::sqlAddSlashes($db) . '\''
. ' AND foreign_table = \'' . PMA_Util::sqlAddSlashes($table) . '\''
. ' AND foreign_field = \'' . PMA_Util::sqlAddSlashes($field) . '\'';
PMA_queryAsControlUser($table_query);
} // end if relwork
}
/**
* Performs SQL query used for renaming table.
*
* @param string $table Relation table to use
* @param string $source_db Source database name
* @param string $target_db Target database name
* @param string $source_table Source table name
* @param string $target_table Target table name
* @param string $db_field Name of database field
* @param string $table_field Name of table field
*
* @return nothing.
*/
function PMA_REL_renameSingleTable($table,
$source_db, $target_db,
$source_table, $target_table,
$db_field, $table_field
) {
$query = 'UPDATE '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($GLOBALS['cfgRelation'][$table])
. ' SET ' . $db_field . ' = \'' . PMA_Util::sqlAddSlashes($target_db) . '\', '
. ' ' . $table_field . ' = \'' . PMA_Util::sqlAddSlashes($target_table) . '\''
. ' WHERE '
. $db_field . ' = \'' . PMA_Util::sqlAddSlashes($source_db) . '\''
. ' AND '
. $table_field . ' = \'' . PMA_Util::sqlAddSlashes($source_table) . '\'';
PMA_queryAsControlUser($query);
}
/**
* Rename a table in relation tables
*
* usually called after table has been moved
*
* @param string $source_db Source database name
* @param string $target_db Target database name
* @param string $source_table Source table name
* @param string $target_table Target table name
*
* @return nothing
*/
function PMA_REL_renameTable($source_db, $target_db, $source_table, $target_table)
{
// Move old entries from PMA-DBs to new table
if ($GLOBALS['cfgRelation']['commwork']) {
PMA_REL_renameSingleTable(
'column_info',
$source_db, $target_db,
$source_table, $target_table,
'db_name', 'table_name'
);
}
// updating bookmarks is not possible since only a single table is
// moved, and not the whole DB.
if ($GLOBALS['cfgRelation']['displaywork']) {
PMA_REL_renameSingleTable(
'table_info',
$source_db, $target_db,
$source_table, $target_table,
'db_name', 'table_name'
);
}
if ($GLOBALS['cfgRelation']['relwork']) {
PMA_REL_renameSingleTable(
'relation',
$source_db, $target_db,
$source_table, $target_table,
'foreign_db', 'foreign_table'
);
PMA_REL_renameSingleTable(
'relation',
$source_db, $target_db,
$source_table, $target_table,
'master_db', 'master_table'
);
}
/**
* @todo Can't get moving PDFs the right way. The page numbers
* always get screwed up independently from duplication because the
* numbers do not seem to be stored on a per-database basis. Would
* the author of pdf support please have a look at it?
*/
if ($GLOBALS['cfgRelation']['pdfwork']) {
PMA_REL_renameSingleTable(
'table_coords',
$source_db, $target_db,
$source_table, $target_table,
'db_name', 'table_name'
);
}
if ($GLOBALS['cfgRelation']['designerwork']) {
PMA_REL_renameSingleTable(
'designer_coords',
$source_db, $target_db,
$source_table, $target_table,
'db_name', 'table_name'
);
}
}
/**
* Create a PDF page
*
* @param string $newpage name of the new PDF page
* @param array $cfgRelation Relation configuration
* @param string $db database name
*
* @return string $pdf_page_number
*/
function PMA_REL_createPage($newpage, $cfgRelation, $db)
{
if (! isset($newpage) || $newpage == '') {
$newpage = __('no description');
}
$ins_query = 'INSERT INTO '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. PMA_Util::backquote($cfgRelation['pdf_pages'])
. ' (db_name, page_descr)'
. ' VALUES (\''
. PMA_Util::sqlAddSlashes($db) . '\', \''
. PMA_Util::sqlAddSlashes($newpage) . '\')';
PMA_queryAsControlUser($ins_query, false);
return PMA_DBI_insert_id(
isset($GLOBALS['controllink']) ? $GLOBALS['controllink'] : ''
);
}
?>
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