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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used with the relation and pdf feature
*
* @version $Id: relation.lib.php 10588 2007-09-02 19:23:59Z lem9 $
*/
/**
*
*/
require_once './libraries/Table.class.php';
/**
* Executes a query as controluser if possible, otherwise as normal user
*
* @param string the query to execute
* @param boolean whether to display SQL error messages or not
*
* @return integer the result id
*
* @access public
*
* @author Mike Beck <mikebeck@users.sourceforge.net>
*/
function PMA_query_as_cu($sql, $show_error = true, $options = 0)
{
// Comparing resource ids works on PHP 5 because, when no controluser
// is defined, connecting with the same user for controllink does
// not create a new connection. However a new connection is created
// on PHP 4, so we cannot directly compare resource ids.
if ($GLOBALS['controllink'] == $GLOBALS['userlink'] || PMA_MYSQL_INT_VERSION < 50000) {
PMA_DBI_select_db($GLOBALS['cfg']['Server']['pmadb'], $GLOBALS['controllink']);
}
if ($show_error) {
$result = PMA_DBI_query($sql, $GLOBALS['controllink'], $options);
} else {
$result = @PMA_DBI_try_query($sql, $GLOBALS['controllink'], $options);
} // end if... else...
// It makes no sense to restore database on control user
if ($GLOBALS['controllink'] == $GLOBALS['userlink'] || PMA_MYSQL_INT_VERSION < 50000) {
PMA_DBI_select_db($GLOBALS['db'], $GLOBALS['controllink']);
}
if ($result) {
return $result;
} else {
return false;
}
} // end of the "PMA_query_as_cu()" function
/**
* @uses $GLOBALS['cfgRelation'] to set it
* @uses PMA__getRelationsParam()
* @uses PMA_printRelationsParamDiagnostic()
* @param bool $verbose whether to print diagnostic info
* @return array $cfgRelation
*/
function PMA_getRelationsParam($verbose = false)
{
static $cfgRelation = null;
if (null === $cfgRelation) {
$cfgRelation = PMA__getRelationsParam();
}
if ($verbose) {
PMA_printRelationsParamDiagnostic($cfgRelation);
}
// just for BC
$GLOBALS['cfgRelation'] = $cfgRelation;
return $cfgRelation;
}
/**
* prints out diagnostic info for pma relation feature
*
* @uses $GLOBALS['server']
* @uses $GLOBALS['controllink']
* @uses $GLOBALS['strNotOK']
* @uses $GLOBALS['strDocu']
* @uses $GLOBALS['strGeneralRelationFeat']
* @uses $GLOBALS['strDisabled']
* @uses $GLOBALS['strEnabled']
* @uses $GLOBALS['strDisplayFeat']
* @uses $GLOBALS['strCreatePdfFeat']
* @uses $GLOBALS['strColComFeat']
* @uses $GLOBALS['strBookmarkQuery']
* @uses $GLOBALS['strUpdComTab']
* @uses $GLOBALS['strQuerySQLHistory']
* @uses $GLOBALS['strDesigner']
* @uses $cfg['Server']['pmadb']
* quses sprintf()
* @param array $cfgRelation
*/
function PMA_printRelationsParamDiagnostic($cfgRelation)
{
if (false === $GLOBALS['cfg']['Server']['pmadb']) {
echo 'PMA Database ... '
. '<font color="red"><b>' . $GLOBALS['strNotOK'] . '</b></font>'
. '[ <a href="Documentation.html#pmadb">' . $GLOBALS['strDocu']
. '</a> ]<br />' . "\n"
. $GLOBALS['strGeneralRelationFeat']
. ' <font color="green">' . $GLOBALS['strDisabled']
. '</font>' . "\n";
return;
}
$shit = '<font color="red"><b>' . $GLOBALS['strNotOK']
. '</b></font> [ <a href="Documentation.html#%s">'
. $GLOBALS['strDocu'] . '</a> ]';
$hit = '<font color="green"><b>' . $GLOBALS['strOK'] . '</b></font>';
$enabled = '<font color="green">' . $GLOBALS['strEnabled'] . '</font>';
$disabled = '<font color="red">' . $GLOBALS['strDisabled'] . '</font>';
echo '<table>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'pmadb\'] ... </th><td align="right">'
. (($GLOBALS['cfg']['Server']['pmadb'] == false) ? sprintf($shit, 'pmadb') : $hit)
. '</td></tr>' . "\n";
echo ' <tr><td> </td></tr>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'relation\'] ... </th><td align="right">'
. ((isset($cfgRelation['relation'])) ? $hit : sprintf($shit, 'relation'))
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">'. $GLOBALS['strGeneralRelationFeat'] . ': '
. ($cfgRelation['relwork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo ' <tr><td> </td></tr>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'table_info\'] ... </th><td align="right">'
. (($cfgRelation['displaywork'] == false) ? sprintf($shit, 'table_info') : $hit)
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">' . $GLOBALS['strDisplayFeat'] . ': '
. ($cfgRelation['displaywork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo ' <tr><td> </td></tr>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'table_coords\'] ... </th><td align="right">'
. ((isset($cfgRelation['table_coords'])) ? $hit : sprintf($shit, 'table_coords'))
. '</td></tr>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'pdf_pages\'] ... </th><td align="right">'
. ((isset($cfgRelation['pdf_pages'])) ? $hit : sprintf($shit, 'table_coords'))
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">' . $GLOBALS['strCreatePdfFeat'] . ': '
. ($cfgRelation['pdfwork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo ' <tr><td> </td></tr>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'column_info\'] ... </th><td align="right">'
. ((isset($cfgRelation['column_info'])) ? $hit : sprintf($shit, 'col_com'))
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">' . $GLOBALS['strColComFeat'] . ': '
. ($cfgRelation['commwork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">' . $GLOBALS['strBookmarkQuery'] . ': '
. ($cfgRelation['bookmarkwork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo ' <tr><th align="left">MIME ...</th><td align="right">'
. ($cfgRelation['mimework'] ? $hit : sprintf($shit, 'col_com'))
. '</td></tr>' . "\n";
if ($cfgRelation['commwork'] && ! $cfgRelation['mimework']) {
echo '<tr><td colspan=2 align="left">' . $GLOBALS['strUpdComTab'] . '</td></tr>' . "\n";
}
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'history\'] ... </th><td align="right">'
. ((isset($cfgRelation['history'])) ? $hit : sprintf($shit, 'history'))
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">' . $GLOBALS['strQuerySQLHistory'] . ': '
. ($cfgRelation['historywork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo ' <tr><th align="left">$cfg[\'Servers\'][$i][\'designer_coords\'] ... </th><td align="right">'
. ((isset($cfgRelation['designer_coords'])) ? $hit : sprintf($shit, 'designer_coords'))
. '</td></tr>' . "\n";
echo ' <tr><td colspan=2 align="center">' . $GLOBALS['strDesigner'] . ': '
. ($cfgRelation['designerwork'] ? $enabled : $disabled)
. '</td></tr>' . "\n";
echo '</table>' . "\n";
}
/**
* 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
*
* @uses $cfg['Server']['user']
* @uses $cfg['Server']['pmadb']
* @uses $cfg['Server']['verbose_check']
* @uses $GLOBALS['server']
* @uses $GLOBALS['controllink']
* @uses PMA_DBI_QUERY_STORE
* @uses PMA_DBI_select_db()
* @uses PMA_backquote()
* @uses PMA_query_as_cu()
* @uses PMA_DBI_fetch_row()
* @uses PMA_DBI_free_result()
* @access protected
* @author Mike Beck <mikebeck@users.sourceforge.net>
* @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['designerwork'] = 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
$tab_query = 'SHOW TABLES FROM ' . PMA_backquote($GLOBALS['cfg']['Server']['pmadb']);
$tab_rs = PMA_query_as_cu($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'] = $curr_table[0];
}
} // end while
PMA_DBI_free_result($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'])) {
$cfgRelation['commwork'] = true;
if ($GLOBALS['cfg']['Server']['verbose_check']) {
$mime_query = 'SHOW FIELDS FROM '
. PMA_backquote($cfgRelation['db']) . '.'
. PMA_backquote($cfgRelation['column_info']);
$mime_rs = PMA_query_as_cu($mime_query, false);
$mime_field_mimetype = false;
$mime_field_transformation = false;
$mime_field_transformation_options = false;
while ($curr_mime_field = @PMA_DBI_fetch_row($mime_rs)) {
if ($curr_mime_field[0] == 'mimetype') {
$mime_field_mimetype = true;
} elseif ($curr_mime_field[0] == 'transformation') {
$mime_field_transformation = true;
} elseif ($curr_mime_field[0] == 'transformation_options') {
$mime_field_transformation_options = true;
}
}
PMA_DBI_free_result($mime_rs);
if ($mime_field_mimetype
&& $mime_field_transformation
&& $mime_field_transformation_options) {
$cfgRelation['mimework'] = true;
}
} else {
$cfgRelation['mimework'] = true;
}
}
if (isset($cfgRelation['history'])) {
$cfgRelation['historywork'] = true;
}
// we do not absolutely need that the internal relations or the PDF
// schema feature be activated
if (isset($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['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
*
* @author Mike Beck <mikebeck@users.sourceforge.net>
* @author Marc Delisle
* @access public
* @uses $GLOBALS['controllink']
* @uses $GLOBALS['information_schema_relations']
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_DBI_fetch_result()
* @uses PMA_DBI_fetch_value()
* @uses PMA_SQP_analyze()
* @uses PMA_SQP_parse()
* @uses count()
* @uses strlen()
* @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 $source the source for foreign key information
* @return array db,table,column
*/
function PMA_getForeigners($db, $table, $column = '', $source = 'both')
{
$cfgRelation = PMA_getRelationsParam();
$foreign = array();
if ($cfgRelation['relwork'] && ($source == 'both' || $source == 'internal')) {
$rel_query = '
SELECT `master_field`,
`foreign_db`,
`foreign_table`,
`foreign_field`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation']) . '
WHERE `master_db` = \'' . PMA_sqlAddslashes($db) . '\'
AND `master_table` = \'' . PMA_sqlAddslashes($table) . '\' ';
if (strlen($column)) {
$rel_query .= ' AND `master_field` = \'' . PMA_sqlAddslashes($column) . '\'';
}
$foreign = PMA_DBI_fetch_result($rel_query, 'master_field', null, $GLOBALS['controllink']);
}
if (($source == 'both' || $source == 'innodb') && strlen($table)) {
$show_create_table_query = 'SHOW CREATE TABLE '
. PMA_backquote($db) . '.' . PMA_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 in 'innodb', 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 tables
*/
if (PMA_MYSQL_INT_VERSION >= 50002 && $db == 'information_schema'
&& ($source == 'internal' || $source == 'both')) {
require_once './libraries/information_schema_relations.lib.php';
if (isset($GLOBALS['information_schema_relations'][$table])) {
foreach ($GLOBALS['information_schema_relations'][$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
*
* @access public
* @author Mike Beck <mikebeck@users.sourceforge.net>
* @uses $GLOBALS['controllink']
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_DBI_fetch_single_row()
* @uses trim()
* @param string $db the name of the db to check for
* @param string $table the name of the table to check for
* @return string field name
*/
function PMA_getDisplayField($db, $table)
{
$cfgRelation = PMA_getRelationsParam();
/**
* Try to fetch the display field from DB.
*/
if ($cfgRelation['displaywork']) {
$disp_query = '
SELECT `display_field`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_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 (PMA_MYSQL_INT_VERSION >= 50002 && $db == 'information_schema') {
switch ($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
*
* @author Mike Beck <mikebeck@users.sourceforge.net>
* @author lem9
* @access public
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_DBI_QUERY_STORE
* @uses PMA_DBI_get_fields()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_free_result()
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_query_as_cu()
* @uses PMA_setComment()
* @uses strlen()
* @param string the name of the db to check for
* @param string the name of the table to check for
* @return array [field_name] = comment
*/
function PMA_getComments($db, $table = '')
{
$cfgRelation = PMA_getRelationsParam();
$comment = array();
if ($table != '') {
// MySQL 4.1.x native column comments
if (PMA_MYSQL_INT_VERSION >= 40100) {
$fields = PMA_DBI_get_fields($db, $table);
if ($fields) {
foreach ($fields as $key=>$field) {
$tmp_col = $field['Field'];
if (! empty($field['Comment'])) {
$native_comment[$tmp_col] = $field['Comment'];
}
}
if (isset($native_comment)) {
$comment = $native_comment;
}
}
}
// pmadb internal column comments
// (this function can be called even if $cfgRelation['commwork'] is
// false, to get native column comments, so recheck here)
if ($cfgRelation['commwork']) {
$com_qry = '
SELECT column_name,
comment
FROM ' . PMA_backquote($cfgRelation['db']) . '.' .PMA_backquote($cfgRelation['column_info']) . '
WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'
AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
$com_rs = PMA_query_as_cu($com_qry, true, PMA_DBI_QUERY_STORE);
}
} elseif ($cfgRelation['commwork']) {
// pmadb internal db comments
$com_qry = '
SELECT `comment`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'
AND table_name = \'\'
AND column_name = \'(db_comment)\'';
$com_rs = PMA_query_as_cu($com_qry, true, PMA_DBI_QUERY_STORE);
}
if (isset($com_rs) && PMA_DBI_num_rows($com_rs) > 0) {
$i = 0;
while ($row = PMA_DBI_fetch_assoc($com_rs)) {
$i++;
$col = ($table != '' ? $row['column_name'] : $i);
if (strlen($row['comment']) > 0) {
$comment[$col] = $row['comment'];
// if this version supports native comments and this function
// was called with a table parameter
if (PMA_MYSQL_INT_VERSION >= 40100 && strlen($table)) {
// if native comment found, use it instead of pmadb
if (!empty($native_comment[$col])) {
$comment[$col] = $native_comment[$col];
} else {
// no native comment, so migrate pmadb-style to native
PMA_setComment($db, $table, $col, $comment[$col], '', 'native');
// and erase the pmadb-style comment
PMA_setComment($db, $table, $col, '', '', 'pmadb');
}
}
}
} // end while
PMA_DBI_free_result($com_rs);
}
return $comment;
} // end of the 'PMA_getComments()' function
/**
* Set a single comment to a certain value.
*
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_DBI_QUERY_STORE
* @uses PMA_DBI_try_query()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_free_result()
* @uses PMA_Table::generateAlter()
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_query_as_cu()
* @uses strlen()
* @access public
* @param string $db the name of the db
* @param string $table the name of the table (may be empty in case of a db comment)
* @param string $col the name of the column
* @param string $comment the value of the column
* @param string $removekey if a column is renamed, this is the name of the former key which will get deleted
* @param string $mode whether we set pmadb comments, native comments or both
* @return boolean true, if comment-query was made.
*/
function PMA_setComment($db, $table, $col, $comment, $removekey = '', $mode = 'auto')
{
$cfgRelation = PMA_getRelationsParam();
if ($mode == 'auto') {
if (PMA_MYSQL_INT_VERSION >= 40100) {
$mode = 'native';
} else {
$mode = 'pmadb';
}
}
// native mode is only for column comments so we need a table name
if ($mode == 'native' && strlen($table)) {
$query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE '
. PMA_Table::generateAlter($col, $col, '', '', '', '', false, '', false, '', $comment, '', '');
return PMA_DBI_try_query($query, null, PMA_DBI_QUERY_STORE);
}
if (! $cfgRelation['commwork']) {
return false;
}
// $mode == 'pmadb' section:
if ($removekey != '' && $removekey != $col) {
$remove_query = '
DELETE FROM
' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND `column_name` = \'' . PMA_sqlAddslashes($removekey) . '\'';
PMA_query_as_cu($remove_query);
}
$test_qry = '
SELECT `comment`,
mimetype,
transformation,
transformation_options
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND `column_name` = \'' . PMA_sqlAddslashes($col) . '\'';
$test_rs = PMA_query_as_cu($test_qry, true, PMA_DBI_QUERY_STORE);
if ($test_rs && PMA_DBI_num_rows($test_rs) > 0) {
$row = PMA_DBI_fetch_assoc($test_rs);
PMA_DBI_free_result($test_rs);
if (strlen($comment) || strlen($row['mimetype']) || strlen($row['transformation']) || strlen($row['transformation_options'])) {
$upd_query = '
UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
SET `comment` = \'' . PMA_sqlAddslashes($comment) . '\'
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND `column_name` = \'' . PMA_sqlAddSlashes($col) . '\'';
} else {
$upd_query = '
DELETE FROM
' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND `column_name` = \'' . PMA_sqlAddslashes($col) . '\'';
}
} elseif (strlen($comment)) {
$upd_query = '
INSERT INTO
' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
(`db_name`, `table_name`, `column_name`, `comment`)
VALUES (
\'' . PMA_sqlAddslashes($db) . '\',
\'' . PMA_sqlAddslashes($table) . '\',
\'' . PMA_sqlAddslashes($col) . '\',
\'' . PMA_sqlAddslashes($comment) . '\')';
}
if (isset($upd_query)){
return PMA_query_as_cu($upd_query);
}
return false;
} // end of 'PMA_setComment()' function
/**
* Set a SQL history entry
*
* @uses $_SESSION['sql_history']
* @uses $cfg['QueryHistoryMax']
* @uses PMA_getRelationsParam()
* @uses PMA_query_as_cu()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses count()
* @uses md5()
* @uses array_shift()
* @param string $db the name of the db
* @param string $table the name of the table
* @param string $username the username
* @param string $sqlquery the sql query
* @access public
*/
function PMA_setHistory($db, $table, $username, $sqlquery)
{
$cfgRelation = PMA_getRelationsParam();
if (! isset($_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 (! $cfgRelation['historywork']) {
return;
}
PMA_query_as_cu('
INSERT INTO
' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
(`username`,
`db`,
`table`,
`timevalue`,
`sqlquery`)
VALUES
(\'' . PMA_sqlAddslashes($username) . '\',
\'' . PMA_sqlAddslashes($db) . '\',
\'' . PMA_sqlAddslashes($table) . '\',
NOW(),
\'' . PMA_sqlAddslashes($sqlquery) . '\')');
} // end of 'PMA_setHistory()' function
/**
* Gets a SQL history entry
*
* @uses $_SESSION['sql_history']
* @uses $GLOBALS['controllink']
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_DBI_fetch_result()
* @uses array_reverse()
* @param string $username the username
* @return array list of history items
* @access public
*/
function PMA_getHistory($username)
{
$cfgRelation = PMA_getRelationsParam();
if (isset($_SESSION['sql_history'])) {
return array_reverse($_SESSION['sql_history']);
}
if (! $cfgRelation['historywork']) {
return false;
}
$hist_query = '
SELECT `db`,
`table`,
`sqlquery`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
WHERE `username` = \'' . PMA_sqlAddslashes($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
*
* @uses $cfg['QueryHistoryMax']
* @uses $cfg['QueryHistoryDB']
* @uses $GLOBALS['controllink']
* @uses PMA_backquote()
* @uses PMA_sqlAddSlashes()
* @uses PMA_query_as_cu()
* @uses PMA_DBI_fetch_value()
* @param string $username the username
* @access public
*/
function PMA_purgeHistory($username)
{
$cfgRelation = PMA_getRelationsParam();
if (! $GLOBALS['cfg']['QueryHistoryDB'] || ! $cfgRelation['historywork']) {
return;
}
if (! $cfgRelation['historywork']) {
return;
}
$search_query = '
SELECT `timevalue`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
WHERE `username` = \'' . PMA_sqlAddSlashes($username) . '\'
ORDER BY `timevalue` DESC
LIMIT ' . $GLOBALS['cfg']['QueryHistoryMax'] . ', 1';
if ($max_time = PMA_DBI_fetch_value($search_query, 0, 0, $GLOBALS['controllink'])) {
PMA_query_as_cu('
DELETE FROM
' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['history']) . '
WHERE `username` = \'' . PMA_sqlAddSlashes($username) . '\'
AND `timevalue` <= \'' . $max_time . '\'');
}
} // end of 'PMA_purgeHistory()' function
/**
* Prepares the dropdown for one mode
*
* @uses $cfg['LimitChars']
* @uses $cfg['NaturalOrder']
* @uses PMA_strlen()
* @uses htmlspecialchars()
* @uses substr()
* @uses uksort()
* @uses ksort()
* @uses natcasesort()
* @uses asort()
* @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)
{
$reloptions = array();
if ($mode == 'id-content') {
// 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 . '>' . $value . ' - ' . htmlspecialchars($key) . '</option>' . "\n";
} else {
$reloptions[] = $reloption . '>' . htmlspecialchars($key) . ' - ' . $value . '</option>' . "\n";
}
} // end foreach
return $reloptions;
} // end of 'PMA__foreignDropdownBuild' function
/**
* Outputs dropdown with values of foreign fields
*
* @uses $cfg['ForeignKeyMaxLimit']
* @uses $cfg['ForeignKeyDropdownOrder']
* @uses PMA__foreignDropdownBuild()
* @uses PMA_isValid()
* @uses implode()
* @see get_foreign.lib.php
* @param array array of the displayed row
* @param string the foreign field
* @param string the foreign field to display
* @param string the current data of the dropdown (field in row)
* @return string the <option value=""><option>s
* @access public
*/
function PMA_foreignDropdown($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();
$bot = array();
if (PMA_isValid($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])) {
$bot = PMA__foreignDropdownBuild($foreign, $data,
$GLOBALS['cfg']['ForeignKeyDropdownOrder'][1]);
}
} else {
$top = PMA__foreignDropdownBuild($foreign, $data, 'id-content');
$bot = PMA__foreignDropdownBuild($foreign, $data, 'content-id');
}
// beginning of dropdown
$ret = '<option value=""> </option>' . "\n";
$top_count = count($top);
if ($max == -1 || $top_count < $max) {
$ret .= implode('', $top);
if ($top_count > 0) {
$ret .= ' <option value=""> </option>' . "\n";
$ret .= ' <option value=""> </option>' . "\n";
}
}
$ret .= implode('', $bot);
return $ret;
} // end of 'PMA_foreignDropdown()' function
?>
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