<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Common functions for Designer
*
* @package PhpMyAdmin-Designer
*/
/**
* Block attempts to directly run this script
*/
if (! defined('PHPMYADMIN')) {
exit;
}
$GLOBALS['PMD']['STYLE'] = 'default';
$cfgRelation = PMA_getRelationsParam();
/**
* Retrieves table info and stores it in $GLOBALS['PMD']
*
* @return array with table info
*/
function PMA_getTablesInfo()
{
$retval = array();
$GLOBALS['PMD']['TABLE_NAME'] = array();// that foreach no error
$GLOBALS['PMD']['OWNER'] = array();
$GLOBALS['PMD']['TABLE_NAME_SMALL'] = array();
$tables = $GLOBALS['dbi']->getTablesFull($GLOBALS['db']);
// seems to be needed later
$GLOBALS['dbi']->selectDb($GLOBALS['db']);
$i = 0;
foreach ($tables as $one_table) {
$GLOBALS['PMD']['TABLE_NAME'][$i]
= $GLOBALS['db'] . "." . $one_table['TABLE_NAME'];
$GLOBALS['PMD']['OWNER'][$i] = $GLOBALS['db'];
$GLOBALS['PMD']['TABLE_NAME_SMALL'][$i] = $one_table['TABLE_NAME'];
$GLOBALS['PMD_URL']['TABLE_NAME'][$i]
= urlencode($GLOBALS['db'] . "." . $one_table['TABLE_NAME']);
$GLOBALS['PMD_URL']['OWNER'][$i] = urlencode($GLOBALS['db']);
$GLOBALS['PMD_URL']['TABLE_NAME_SMALL'][$i]
= urlencode($one_table['TABLE_NAME']);
$GLOBALS['PMD_OUT']['TABLE_NAME'][$i] = htmlspecialchars(
$GLOBALS['db'] . "." . $one_table['TABLE_NAME'], ENT_QUOTES
);
$GLOBALS['PMD_OUT']['OWNER'][$i] = htmlspecialchars(
$GLOBALS['db'], ENT_QUOTES
);
$GLOBALS['PMD_OUT']['TABLE_NAME_SMALL'][$i] = htmlspecialchars(
$one_table['TABLE_NAME'], ENT_QUOTES
);
$GLOBALS['PMD']['TABLE_TYPE'][$i] = /*overload*/mb_strtoupper(
$one_table['ENGINE']
);
$DF = PMA_getDisplayField($GLOBALS['db'], $one_table['TABLE_NAME']);
if ($DF != '') {
$retval[$GLOBALS['PMD_URL']["TABLE_NAME_SMALL"][$i]] = urlencode($DF);
}
$i++;
}
return $retval;
}
/**
* Retrieves table column info
*
* @return array table column nfo
*/
function PMA_getColumnsInfo()
{
$GLOBALS['dbi']->selectDb($GLOBALS['db']);
$tab_column = array();
for ($i = 0, $cnt = count($GLOBALS['PMD']["TABLE_NAME"]); $i < $cnt; $i++) {
$fields_rs = $GLOBALS['dbi']->query(
$GLOBALS['dbi']->getColumnsSql(
$GLOBALS['db'],
$GLOBALS['PMD']["TABLE_NAME_SMALL"][$i],
null,
true
),
null,
PMA_DatabaseInterface::QUERY_STORE
);
$tbl_name_i = $GLOBALS['PMD']['TABLE_NAME'][$i];
$j = 0;
while ($row = $GLOBALS['dbi']->fetchAssoc($fields_rs)) {
$tab_column[$tbl_name_i]['COLUMN_ID'][$j] = $j;
$tab_column[$tbl_name_i]['COLUMN_NAME'][$j] = $row['Field'];
$tab_column[$tbl_name_i]['TYPE'][$j] = $row['Type'];
$tab_column[$tbl_name_i]['NULLABLE'][$j] = $row['Null'];
$j++;
}
}
return $tab_column;
}
/**
* Returns JavaScript code for initializing vars
*
* @return string JavaScript code
*/
function PMA_getScriptContr()
{
$GLOBALS['dbi']->selectDb($GLOBALS['db']);
$con = array();
$con["C_NAME"] = array();
$i = 0;
$alltab_rs = $GLOBALS['dbi']->query(
'SHOW TABLES FROM ' . PMA_Util::backquote($GLOBALS['db']),
null,
PMA_DatabaseInterface::QUERY_STORE
);
while ($val = @$GLOBALS['dbi']->fetchRow($alltab_rs)) {
$row = PMA_getForeigners($GLOBALS['db'], $val[0], '', 'internal');
//echo "<br> internal ".$GLOBALS['db']." - ".$val[0]." - ";
//print_r($row);
if ($row !== false) {
foreach ($row as $field => $value) {
$con['C_NAME'][$i] = '';
$con['DTN'][$i] = urlencode($GLOBALS['db'] . "." . $val[0]);
$con['DCN'][$i] = urlencode($field);
$con['STN'][$i] = urlencode(
$value['foreign_db'] . "." . $value['foreign_table']
);
$con['SCN'][$i] = urlencode($value['foreign_field']);
$i++;
}
}
$row = PMA_getForeigners($GLOBALS['db'], $val[0], '', 'foreign');
//echo "<br> INNO ";
//print_r($row);
if ($row !== false) {
foreach ($row['foreign_keys_data'] as $key => $one_key) {
foreach ($one_key['index_list'] as $index => $one_field) {
$con['C_NAME'][$i] = '';
$con['DTN'][$i] = urlencode($GLOBALS['db'] . "." . $val[0]);
$con['DCN'][$i] = urlencode($one_field);
$con['STN'][$i] = urlencode(
(isset($one_key['ref_db_name']) ?
$one_key['ref_db_name'] : $GLOBALS['db'])
. "." . $one_key['ref_table_name']
);
$con['SCN'][$i] = urlencode($one_key['ref_index_list'][$index]);
$i++;
}
}
}
}
$ti = 0;
$retval = array();
for ($i = 0, $cnt = count($con["C_NAME"]); $i < $cnt; $i++) {
$c_name_i = $con['C_NAME'][$i];
$dtn_i = $con['DTN'][$i];
$retval[$ti] = array();
$retval[$ti][$c_name_i] = array();
if (in_array($dtn_i, $GLOBALS['PMD_URL']["TABLE_NAME"])
&& in_array($con['STN'][$i], $GLOBALS['PMD_URL']["TABLE_NAME"])
) {
$retval[$ti][$c_name_i][$dtn_i] = array();
$retval[$ti][$c_name_i][$dtn_i][$con['DCN'][$i]] = array(
0 => $con['STN'][$i],
1 => $con['SCN'][$i]
);
}
$ti++;
}
return $retval;
}
/**
* Returns UNIQUE and PRIMARY indices
*
* @return array unique or primary indices
*/
function PMA_getPKOrUniqueKeys()
{
return PMA_getAllKeys(true);
}
/**
* Returns all indices
*
* @param bool $unique_only whether to include only unique ones
*
* @return array indices
*/
function PMA_getAllKeys($unique_only = false)
{
include_once './libraries/Index.class.php';
$keys = array();
foreach ($GLOBALS['PMD']['TABLE_NAME_SMALL'] as $I => $table) {
$schema = $GLOBALS['PMD']['OWNER'][$I];
// for now, take into account only the first index segment
foreach (PMA_Index::getFromTable($table, $schema) as $index) {
if ($unique_only && ! $index->isUnique()) {
continue;
}
$columns = $index->getColumns();
foreach ($columns as $column_name => $dummy) {
$keys[$schema . '.' . $table . '.' . $column_name] = 1;
}
}
}
return $keys;
}
/**
* Return script to create j_tab and h_tab arrays
*
* @return string
*/
function PMA_getScriptTabs()
{
$retval = array(
'j_tabs' => array(),
'h_tabs' => array()
);
for ($i = 0, $cnt = count($GLOBALS['PMD']['TABLE_NAME']); $i < $cnt; $i++) {
$j = 0;
if (PMA_Util::isForeignKeySupported($GLOBALS['PMD']['TABLE_TYPE'][$i])) {
$j = 1;
}
$retval['j_tabs'][$GLOBALS['PMD_URL']['TABLE_NAME'][$i]] = $j;
$retval['h_tabs'][$GLOBALS['PMD_URL']['TABLE_NAME'][$i]] = 1;
}
return $retval;
}
/**
* Returns table positions of a given pdf page
*
* @param int $pg pdf page id
*
* @return array of table positions
*/
function PMA_getTablePositions($pg)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['pdfwork']) {
return null;
}
$query = "
SELECT CONCAT_WS('.', `db_name`, `table_name`) AS `name`,
`x` AS `X`,
`y` AS `Y`,
1 AS `V`,
1 AS `H`
FROM " . PMA_Util::backquote($cfgRelation['db'])
. "." . PMA_Util::backquote($cfgRelation['table_coords']) . "
WHERE pdf_page_number = " . $pg;
$tab_pos = $GLOBALS['dbi']->fetchResult(
$query,
'name',
null,
$GLOBALS['controllink'],
PMA_DatabaseInterface::QUERY_STORE
);
return $tab_pos;
}
/**
* Returns page name of a given pdf page
*
* @param int $pg pdf page id
*
* @return String table name
*/
function PMA_getPageName($pg)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['pdfwork']) {
return null;
}
$query = "SELECT `page_descr`"
. " FROM " . PMA_Util::backquote($cfgRelation['db'])
. "." . PMA_Util::backquote($cfgRelation['pdf_pages'])
. " WHERE " . PMA_Util::backquote('page_nr') . " = " . $pg;
$page_name = $GLOBALS['dbi']->fetchResult(
$query,
null,
null,
$GLOBALS['controllink'],
PMA_DatabaseInterface::QUERY_STORE
);
return count($page_name) ? $page_name[0] : null;
}
/**
* Deletes a given pdf page and its corresponding coordinates
*
* @param int $pg page id
*
* @return boolean success/failure
*/
function PMA_deletePage($pg)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['pdfwork']) {
return null;
}
$query = "DELETE FROM " . PMA_Util::backquote($cfgRelation['db'])
. "." . PMA_Util::backquote($cfgRelation['table_coords'])
. " WHERE " . PMA_Util::backquote('pdf_page_number') . " = " . $pg;
$success = PMA_queryAsControlUser(
$query, true, PMA_DatabaseInterface::QUERY_STORE
);
if ($success) {
$query = "DELETE FROM " . PMA_Util::backquote($cfgRelation['db'])
. "." . PMA_Util::backquote($cfgRelation['pdf_pages'])
. " WHERE " . PMA_Util::backquote('page_nr') . " = " . $pg;
$success = PMA_queryAsControlUser(
$query, true, PMA_DatabaseInterface::QUERY_STORE
);
}
return $success;
}
/**
* Returns the id of the first pdf page of the database
*
* @param string $db database
*
* @return int id of the first pdf page, default is -1
*/
function PMA_getFirstPage($db)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['pdfwork']) {
return null;
}
$query = "SELECT MIN(`page_nr`)"
. " FROM " . PMA_Util::backquote($cfgRelation['db'])
. "." . PMA_Util::backquote($cfgRelation['pdf_pages'])
. " WHERE `db_name` = '" . $db . "'";
$min_page_no = $GLOBALS['dbi']->fetchResult(
$query,
null,
null,
$GLOBALS['controllink'],
PMA_DatabaseInterface::QUERY_STORE
);
return count($min_page_no[0]) ? $min_page_no[0] : -1;
}
/**
* Creates a new page and returns its auto-incrementing id
*
* @param string $pageName name of the page
* @param string $db name of the database
*
* @return int|null
*/
function PMA_createNewPage($pageName, $db)
{
$cfgRelation = PMA_getRelationsParam();
if ($cfgRelation['pdfwork']) {
$pageNumber = PMA_REL_createPage(
$pageName,
$cfgRelation,
$db
);
return $pageNumber;
}
return null;
}
/**
* Saves positions of table(s) of a given pdf page
*
* @param int $pg pdf page id
*
* @return boolean success/failure
*/
function PMA_saveTablePositions($pg)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['pdfwork']) {
return null;
}
$queury = "DELETE FROM " . PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. "." . PMA_Util::backquote($GLOBALS['cfgRelation']['table_coords'])
. " WHERE `db_name` = '" . PMA_Util::sqlAddSlashes($_REQUEST['db']) . "'"
. " AND `pdf_page_number` = '" . PMA_Util::sqlAddSlashes($pg) . "'";
$res = PMA_queryAsControlUser($queury, true, PMA_DatabaseInterface::QUERY_STORE);
if ($res) {
foreach ($_REQUEST['t_h'] as $key => $value) {
list($DB, $TAB) = explode(".", $key);
if ($value) {
$queury = "INSERT INTO "
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . "."
. PMA_Util::backquote($GLOBALS['cfgRelation']['table_coords'])
. " (`db_name`, `table_name`, `pdf_page_number`, `x`, `y`)"
. " VALUES ("
. "'" . PMA_Util::sqlAddSlashes($DB) . "', "
. "'" . PMA_Util::sqlAddSlashes($TAB) . "', "
. "'" . PMA_Util::sqlAddSlashes($pg) . "', "
. "'" . PMA_Util::sqlAddSlashes($_REQUEST['t_x'][$key]) . "', "
. "'" . PMA_Util::sqlAddSlashes($_REQUEST['t_y'][$key]) . "')";
$res = PMA_queryAsControlUser(
$queury, true, PMA_DatabaseInterface::QUERY_STORE
);
}
}
}
return $res;
}
/**
* Saves the display field for a table.
*
* @param string $db database name
* @param string $table table name
* @param string $field display field name
*
* @return boolean
*/
function PMA_saveDisplayField($db, $table, $field)
{
$cfgRelation = PMA_getRelationsParam();
if (!$cfgRelation['displaywork']) {
return false;
}
$disp = PMA_getDisplayField($db, $table);
if ($disp && $disp === $field) {
$field = '';
}
include_once 'libraries/tbl_relation.lib.php';
PMA_handleUpdateForDisplayField($disp, $field, $db, $table, $cfgRelation);
return true;
}
/**
* Adds a new foreign relation
*
* @param string $db database name
* @param string $T1 foreign table
* @param string $F1 foreign field
* @param string $T2 master table
* @param string $F2 master field
* @param string $on_delete on delete action
* @param string $on_update on update action
*
* @return array array of success/failure and message
*/
function PMA_addNewRelation($db, $T1, $F1, $T2, $F2, $on_delete, $on_update)
{
$tables = $GLOBALS['dbi']->getTablesFull($db, $T1);
$type_T1 = /*overload*/mb_strtoupper($tables[$T1]['ENGINE']);
$tables = $GLOBALS['dbi']->getTablesFull($db, $T2);
$type_T2 = /*overload*/mb_strtoupper($tables[$T2]['ENGINE']);
// native foreign key
if (PMA_Util::isForeignKeySupported($type_T1)
&& PMA_Util::isForeignKeySupported($type_T2)
&& $type_T1 == $type_T2
) {
// relation exists?
$existrel_foreign = PMA_getForeigners($db, $T2, '', 'foreign');
$foreigner = PMA_searchColumnInForeigners($existrel_foreign, $F2);
if ($foreigner
&& isset($foreigner['constraint'])
) {
return array(false, __('Error: relation already exists.'));
}
// note: in InnoDB, the index does not requires to be on a PRIMARY
// or UNIQUE key
// improve: check all other requirements for InnoDB relations
$result = $GLOBALS['dbi']->query(
'SHOW INDEX FROM ' . PMA_Util::backquote($db)
. '.' . PMA_Util::backquote($T1) . ';'
);
// will be use to emphasis prim. keys in the table view
$index_array1 = array();
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$index_array1[$row['Column_name']] = 1;
}
$GLOBALS['dbi']->freeResult($result);
$result = $GLOBALS['dbi']->query(
'SHOW INDEX FROM ' . PMA_Util::backquote($db)
. '.' . PMA_Util::backquote($T2) . ';'
);
// will be used to emphasis prim. keys in the table view
$index_array2 = array();
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
$index_array2[$row['Column_name']] = 1;
}
$GLOBALS['dbi']->freeResult($result);
if (! empty($index_array1[$F1]) && ! empty($index_array2[$F2])) {
$upd_query = 'ALTER TABLE ' . PMA_Util::backquote($db)
. '.' . PMA_Util::backquote($T2)
. ' ADD FOREIGN KEY ('
. PMA_Util::backquote($F2) . ')'
. ' REFERENCES '
. PMA_Util::backquote($db) . '.'
. PMA_Util::backquote($T1) . '('
. PMA_Util::backquote($F1) . ')';
if ($on_delete != 'nix') {
$upd_query .= ' ON DELETE ' . $on_delete;
}
if ($on_update != 'nix') {
$upd_query .= ' ON UPDATE ' . $on_update;
}
$upd_query .= ';';
if ($GLOBALS['dbi']->tryQuery($upd_query)) {
return array(true, __('FOREIGN KEY relation has been added.'));
} else {
$error = $GLOBALS['dbi']->getError();
return array(
false,
__('Error: FOREIGN KEY relation could not be added!')
. "<br/>" . $error
);
}
} else {
return array(false, __('Error: Missing index on column(s).'));
}
} else { // internal (pmadb) relation
if ($GLOBALS['cfgRelation']['relwork'] == false) {
return array(false, __('Error: Relational features are disabled!'));
} else {
// no need to recheck if the keys are primary or unique at this point,
// this was checked on the interface part
$q = "INSERT INTO "
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
. "." . PMA_Util::backquote($GLOBALS['cfgRelation']['relation'])
. "(master_db, master_table, master_field, "
. "foreign_db, foreign_table, foreign_field)"
. " values("
. "'" . PMA_Util::sqlAddSlashes($db) . "', "
. "'" . PMA_Util::sqlAddSlashes($T2) . "', "
. "'" . PMA_Util::sqlAddSlashes($F2) . "', "
. "'" . PMA_Util::sqlAddSlashes($db) . "', "
. "'" . PMA_Util::sqlAddSlashes($T1) . "', "
. "'" . PMA_Util::sqlAddSlashes($F1) . "')";
if (PMA_queryAsControlUser($q, false, PMA_DatabaseInterface::QUERY_STORE)
) {
return array(true, __('Internal relation has been added.'));
} else {
$error = $GLOBALS['dbi']->getError($GLOBALS['controllink']);
return array(
false,
__('Error: Internal relation could not be added!')
. "<br/>" . $error
);
}
}
}
}
/**
* Removes a foreign relation
*
* @param string $T1 foreign db.table
* @param string $F1 foreign field
* @param string $T2 master db.table
* @param string $F2 master field
*
* @return array array of success/failure and message
*/
function PMA_removeRelation($T1, $F1, $T2, $F2)
{
list($DB1, $T1) = explode(".", $T1);
list($DB2, $T2) = explode(".", $T2);
$tables = $GLOBALS['dbi']->getTablesFull($DB1, $T1);
$type_T1 = /*overload*/mb_strtoupper($tables[$T1]['ENGINE']);
$tables = $GLOBALS['dbi']->getTablesFull($DB2, $T2);
$type_T2 = /*overload*/mb_strtoupper($tables[$T2]['ENGINE']);
if (PMA_Util::isForeignKeySupported($type_T1)
&& PMA_Util::isForeignKeySupported($type_T2)
&& $type_T1 == $type_T2
) {
// InnoDB
$existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
$foreigner = PMA_searchColumnInForeigners($existrel_foreign, $F2);
if (isset($foreigner['constraint'])) {
$upd_query = 'ALTER TABLE ' . PMA_Util::backquote($DB2)
. '.' . PMA_Util::backquote($T2) . ' DROP FOREIGN KEY '
. PMA_Util::backquote($foreigner['constraint']) . ';';
if ($GLOBALS['dbi']->query($upd_query)) {
return array(true, __('FOREIGN KEY relation has been removed.'));
}
$error = $GLOBALS['dbi']->getError();
return array(
false,
__('Error: FOREIGN KEY relation could not be removed!')
. "<br/>" . $error
);
}
}
// internal relations
$delete_query = "DELETE FROM "
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . "."
. $GLOBALS['cfgRelation']['relation'] . " WHERE "
. "master_db = '" . PMA_Util::sqlAddSlashes($DB2) . "'"
. " AND master_table = '" . PMA_Util::sqlAddSlashes($T2) . "'"
. " AND master_field = '" . PMA_Util::sqlAddSlashes($F2) . "'"
. " AND foreign_db = '" . PMA_Util::sqlAddSlashes($DB1) . "'"
. " AND foreign_table = '" . PMA_Util::sqlAddSlashes($T1) . "'"
. " AND foreign_field = '" . PMA_Util::sqlAddSlashes($F1) . "'";
$result = PMA_queryAsControlUser(
$delete_query,
false,
PMA_DatabaseInterface::QUERY_STORE
);
if (!$result) {
$error = $GLOBALS['dbi']->getError($GLOBALS['controllink']);
return array(
false,
__('Error: Internal relation could not be removed!') . "<br/>" . $error
);
}
return array(true, __('Internal relation has been removed.'));
}
?>