Hacked By AnonymousFox
<?php
/* $Id: database_interface.lib.php 10356 2007-05-08 20:39:33Z cybot_tm $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Common Option Constants For DBI Functions
*/
// PMA_DBI_try_query()
define('PMA_DBI_QUERY_STORE', 1); // Force STORE_RESULT method, ignored by classic MySQL.
define('PMA_DBI_QUERY_UNBUFFERED', 2); // Do not read whole query
// PMA_DBI_get_variable()
define('PMA_DBI_GETVAR_SESSION', 1);
define('PMA_DBI_GETVAR_GLOBAL', 2);
/**
* Loads the mysql extensions if it is not loaded yet
*
* @param string $extension mysql extension to load
*/
function PMA_DBI_checkAndLoadMysqlExtension( $extension = 'mysql' ) {
if ( ! function_exists( $extension . '_connect' ) ) {
PMA_dl( $extension );
// check whether mysql is available
if ( ! function_exists( $extension . '_connect' ) ) {
return false;
}
}
return true;
}
/**
* check for requested extension
*/
if ( ! PMA_DBI_checkAndLoadMysqlExtension( $GLOBALS['cfg']['Server']['extension'] ) ) {
// if it fails try alternative extension ...
// and display an error ...
/**
* @todo 2.7.1: add different messages for alternativ extension
* and complete fail (no alternativ extension too)
*/
$GLOBALS['PMA_errors'][] =
sprintf( PMA_sanitize( $GLOBALS['strCantLoad'] ),
$GLOBALS['cfg']['Server']['extension'] )
.' - <a href="./Documentation.html#faqmysql" target="documentation">'
.$GLOBALS['strDocu'] . '</a>';
if ( $GLOBALS['cfg']['Server']['extension'] === 'mysql' ) {
$alternativ_extension = 'mysqli';
} else {
$alternativ_extension = 'mysql';
}
if ( ! PMA_DBI_checkAndLoadMysqlExtension( $alternativ_extension ) ) {
// if alternativ fails too ...
header( 'Location: error.php'
. '?lang=' . urlencode( $available_languages[$lang][2] )
. '&dir=' . urlencode( $text_dir )
. '&type=' . urlencode( $strError )
. '&error=' . urlencode(
sprintf( $GLOBALS['strCantLoad'],
$GLOBALS['cfg']['Server']['extension'] )
.' - [a@./Documentation.html#faqmysql@documentation]'
.$GLOBALS['strDocu'] . '[/a]' )
. '&' . SID
);
exit();
}
$GLOBALS['cfg']['Server']['extension'] = $alternativ_extension;
unset( $alternativ_extension );
}
/**
* Including The DBI Plugin
*/
require_once('./libraries/dbi/' . $GLOBALS['cfg']['Server']['extension'] . '.dbi.lib.php');
/**
* Common Functions
*/
function PMA_DBI_query($query, $link = null, $options = 0) {
$res = PMA_DBI_try_query($query, $link, $options)
or PMA_mysqlDie(PMA_DBI_getError($link), $query);
return $res;
}
/**
* converts charset of a mysql message, usally coming from mysql_error(),
* into PMA charset, usally UTF-8
* uses language to charset mapping from mysql/share/errmsg.txt
* and charset names to ISO charset from information_schema.CHARACTER_SETS
*
* @uses $GLOBALS['cfg']['IconvExtraParams']
* @uses $GLOBALS['charset'] as target charset
* @uses PMA_DBI_fetch_value() to get server_language
* @uses preg_match() to filter server_language
* @uses in_array()
* @uses function_exists() to check for a convert function
* @uses iconv() to convert message
* @uses libiconv() to convert message
* @uses recode_string() to convert message
* @uses mb_convert_encoding() to convert message
* @param string $message
* @return string $message
*/
function PMA_DBI_convert_message( $message ) {
// latin always last!
$encodings = array(
'japanese' => 'EUC-JP', //'ujis',
'japanese-sjis' => 'Shift-JIS', //'sjis',
'korean' => 'EUC-KR', //'euckr',
'russian' => 'KOI8-R', //'koi8r',
'ukrainian' => 'KOI8-U', //'koi8u',
'greek' => 'ISO-8859-7', //'greek',
'serbian' => 'CP1250', //'cp1250',
'estonian' => 'ISO-8859-13', //'latin7',
'slovak' => 'ISO-8859-2', //'latin2',
'czech' => 'ISO-8859-2', //'latin2',
'hungarian' => 'ISO-8859-2', //'latin2',
'polish' => 'ISO-8859-2', //'latin2',
'romanian' => 'ISO-8859-2', //'latin2',
'spanish' => 'CP1252', //'latin1',
'swedish' => 'CP1252', //'latin1',
'italian' => 'CP1252', //'latin1',
'norwegian-ny' => 'CP1252', //'latin1',
'norwegian' => 'CP1252', //'latin1',
'portuguese' => 'CP1252', //'latin1',
'danish' => 'CP1252', //'latin1',
'dutch' => 'CP1252', //'latin1',
'english' => 'CP1252', //'latin1',
'french' => 'CP1252', //'latin1',
'german' => 'CP1252', //'latin1',
);
if ( $server_language = PMA_DBI_fetch_value( 'SHOW VARIABLES LIKE \'language\';', 0, 1 ) ) {
$found = array();
if ( preg_match( '&(?:\\\|\\/)([^\\\\\/]*)(?:\\\|\\/)$&i', $server_language, $found )) {
$server_language = $found[1];
}
}
if ( ! empty( $server_language ) && isset( $encodings[$server_language] ) ) {
if ( function_exists( 'iconv' ) ) {
if ((@stristr(PHP_OS, 'AIX')) && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && (@strcasecmp(ICONV_VERSION, 'unknown') == 0)) {
require_once('./libraries/iconv_wrapper.lib.php');
$message = PMA_aix_iconv_wrapper( $encodings[$server_language],
$GLOBALS['charset'] . $GLOBALS['cfg']['IconvExtraParams'], $message);
} else {
$message = iconv( $encodings[$server_language],
$GLOBALS['charset'] . $GLOBALS['cfg']['IconvExtraParams'], $message);
}
} elseif ( function_exists( 'recode_string' ) ) {
$message = recode_string( $encodings[$server_language] . '..' . $GLOBALS['charset'],
$message );
} elseif ( function_exists( 'libiconv' ) ) {
$message = libiconv( $encodings[$server_language], $GLOBALS['charset'], $message );
} elseif ( function_exists( 'mb_convert_encoding' ) ) {
// do not try unsupported charsets
if ( ! in_array( $server_language, array( 'ukrainian', 'greek', 'serbian' ) ) ) {
$message = mb_convert_encoding( $message, $GLOBALS['charset'],
$encodings[$server_language] );
}
}
} else {
/**
* @todo lang not found, try all, what TODO ?
*/
}
return $message;
}
/**
* returns array with table names for given db
*
* @param string $database name of database
* @param mixed $link mysql link resource|object
* @return array tables names
*/
function PMA_DBI_get_tables($database, $link = null)
{
return PMA_DBI_fetch_result('SHOW TABLES FROM ' . PMA_backquote($database) . ';',
null, 0, $link, PMA_DBI_QUERY_STORE);
}
/**
* returns array of all tables in given db or dbs
* this function expects unqoted names:
* RIGHT: my_database
* WRONG: `my_database`
* WRONG: my\_database
* if $tbl_is_group is true, $table is used as filter for table names
* if $tbl_is_group is 'comment, $table is used as filter for table comments
*
* <code>
* PMA_DBI_get_tables_full( 'my_database' );
* PMA_DBI_get_tables_full( 'my_database', 'my_table' ) );
* PMA_DBI_get_tables_full( 'my_database', 'my_tables_', true ) );
* PMA_DBI_get_tables_full( 'my_database', 'my_tables_', 'comment' ) );
* </code>
*
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_DBI_fetch_result()
* @uses PMA_escape_mysql_wildcards()
* @uses PMA_backquote()
* @uses is_array()
* @uses addslashes()
* @uses strpos()
* @uses strtoupper()
* @param string $databases database
* @param string $table table
* @param boolean|string $tbl_is_group $table is a table group
* @param resource $link mysql link
* @return array list of tables in given db(s)
*/
function PMA_DBI_get_tables_full($database, $table = false,
$tbl_is_group = false, $link = null)
{
// prepare and check parameters
if ( ! is_array($database) ) {
$databases = array(addslashes($database));
} else {
$databases = array_map('addslashes', $database);
}
$tables = array();
if ( PMA_MYSQL_INT_VERSION >= 90002 ) {
// get table information from information_schema
if ( $table ) {
if ( true === $tbl_is_group ) {
$sql_where_table = 'AND `TABLE_NAME` LIKE \''
. PMA_escape_mysql_wildcards(addslashes($table)) . '%\'';
} elseif ( 'comment' === $tbl_is_group ) {
$sql_where_table = 'AND `TABLE_COMMENT` LIKE \''
. PMA_escape_mysql_wildcards(addslashes($table)) . '%\'';
} else {
$sql_where_table = 'AND `TABLE_NAME` = \'' . addslashes($table) . '\'';
}
} else {
$sql_where_table = '';
}
// for PMA bc:
// `SCHEMA_FIELD_NAME` AS `SHOW_TABLE_STATUS_FIELD_NAME`
//
// on non-Windows servers,
// added BINARY in the WHERE clause to force a case sensitive
// comparison (if we are looking for the db Aa we don't want
// to find the db aa)
$sql = '
SELECT *,
`TABLE_SCHEMA` AS `Db`,
`TABLE_NAME` AS `Name`,
`ENGINE` AS `Engine`,
`ENGINE` AS `Type`,
`VERSION` AS `Version`,
`ROW_FORMAT` AS `Row_format`,
`TABLE_ROWS` AS `Rows`,
`AVG_ROW_LENGTH` AS `Avg_row_length`,
`DATA_LENGTH` AS `Data_length`,
`MAX_DATA_LENGTH` AS `Max_data_length`,
`INDEX_LENGTH` AS `Index_length`,
`DATA_FREE` AS `Data_free`,
`AUTO_INCREMENT` AS `Auto_increment`,
`CREATE_TIME` AS `Create_time`,
`UPDATE_TIME` AS `Update_time`,
`CHECK_TIME` AS `Check_time`,
`TABLE_COLLATION` AS `Collation`,
`CHECKSUM` AS `Checksum`,
`CREATE_OPTIONS` AS `Create_options`,
`TABLE_COMMENT` AS `Comment`
FROM `information_schema`.`TABLES`
WHERE ' . (PMA_IS_WINDOWS ? '' : 'BINARY') . ' `TABLE_SCHEMA` IN (\'' . implode("', '", $databases) . '\')
' . $sql_where_table;
$tables = PMA_DBI_fetch_result($sql, array('TABLE_SCHEMA', 'TABLE_NAME'),
null, $link);
unset( $sql_where_table, $sql );
}
// If permissions are wrong on even one database directory,
// information_schema does not return any table info for any database
// this is why we fall back to SHOW TABLE STATUS even for MySQL >= 50002
if ( PMA_MYSQL_INT_VERSION < 50002 || empty($tables)) {
foreach ( $databases as $each_database ) {
if ( true === $tbl_is_group ) {
$sql = 'SHOW TABLE STATUS FROM '
. PMA_backquote($each_database)
.' LIKE \'' . PMA_escape_mysql_wildcards(addslashes($table)) . '%\'';
} else {
$sql = 'SHOW TABLE STATUS FROM '
. PMA_backquote($each_database) . ';';
}
$each_tables = PMA_DBI_fetch_result($sql, 'Name', null, $link);
foreach ( $each_tables as $table_name => $each_table ) {
if ( 'comment' === $tbl_is_group
&& 0 === strpos($each_table['Comment'], $table) )
{
// remove table from list
unset( $each_tables[$table_name] );
continue;
}
if ( ! isset( $each_tables[$table_name]['Type'] )
&& isset( $each_tables[$table_name]['Engine'] ) ) {
// pma BC, same parts of PMA still uses 'Type'
$each_tables[$table_name]['Type']
=& $each_tables[$table_name]['Engine'];
} elseif ( ! isset( $each_tables[$table_name]['Engine'] )
&& isset( $each_tables[$table_name]['Type'] ) ) {
// old MySQL reports Type, newer MySQL reports Engine
$each_tables[$table_name]['Engine']
=& $each_tables[$table_name]['Type'];
}
// MySQL forward compatibility
// so pma could use this array as if every server is of version >5.0
$each_tables[$table_name]['TABLE_SCHEMA'] = $each_database;
$each_tables[$table_name]['TABLE_NAME'] =& $each_tables[$table_name]['Name'];
$each_tables[$table_name]['ENGINE'] =& $each_tables[$table_name]['Engine'];
$each_tables[$table_name]['VERSION'] =& $each_tables[$table_name]['Version'];
$each_tables[$table_name]['ROW_FORMAT'] =& $each_tables[$table_name]['Row_format'];
$each_tables[$table_name]['TABLE_ROWS'] =& $each_tables[$table_name]['Rows'];
$each_tables[$table_name]['AVG_ROW_LENGTH'] =& $each_tables[$table_name]['Avg_row_length'];
$each_tables[$table_name]['DATA_LENGTH'] =& $each_tables[$table_name]['Data_length'];
$each_tables[$table_name]['MAX_DATA_LENGTH'] =& $each_tables[$table_name]['Max_data_length'];
$each_tables[$table_name]['INDEX_LENGTH'] =& $each_tables[$table_name]['Index_length'];
$each_tables[$table_name]['DATA_FREE'] =& $each_tables[$table_name]['Data_free'];
$each_tables[$table_name]['AUTO_INCREMENT'] =& $each_tables[$table_name]['Auto_increment'];
$each_tables[$table_name]['CREATE_TIME'] =& $each_tables[$table_name]['Create_time'];
$each_tables[$table_name]['UPDATE_TIME'] =& $each_tables[$table_name]['Update_time'];
$each_tables[$table_name]['CHECK_TIME'] =& $each_tables[$table_name]['Check_time'];
$each_tables[$table_name]['TABLE_COLLATION'] =& $each_tables[$table_name]['Collation'];
$each_tables[$table_name]['CHECKSUM'] =& $each_tables[$table_name]['Checksum'];
$each_tables[$table_name]['CREATE_OPTIONS'] =& $each_tables[$table_name]['Create_options'];
$each_tables[$table_name]['TABLE_COMMENT'] =& $each_tables[$table_name]['Comment'];
if ( strtoupper( $each_tables[$table_name]['Comment'] ) === 'VIEW' ) {
$each_tables[$table_name]['TABLE_TYPE'] = 'VIEW';
} else {
/**
* @todo difference between 'TEMPORARY' and 'BASE TABLE' but how to detect?
*/
$each_tables[$table_name]['TABLE_TYPE'] = 'BASE TABLE';
}
}
$tables[$each_database] = $each_tables;
}
}
if ( $GLOBALS['cfg']['NaturalOrder'] ) {
foreach ( $tables as $key => $val ) {
uksort($tables[$key], 'strnatcasecmp');
}
}
if (! is_array($database)) {
if (isset($tables[$database])) {
return $tables[$database];
} elseif (isset($tables[strtolower($database)])) {
// on windows with lower_case_table_names = 1
// MySQL returns
// with SHOW DATABASES or information_schema.SCHEMATA: `Test`
// but information_schema.TABLES gives `test`
// bug #1436171
// sf.net/tracker/?func=detail&aid=1436171&group_id=23067&atid=377408
return $tables[strtolower($database)];
} else {
return $tables;
}
} else {
return $tables;
}
}
/**
* returns array with databases containing extended infos about them
*
* @todo move into PMA_List_Database?
* @param string $databases database
* @param boolean $force_stats retrieve stats also for MySQL < 5
* @param resource $link mysql link
* @param string $sort_by collumn to order by
* @param string $sort_order ASC or DESC
* @param integer $limit_offset starting offset for LIMIT
* @param bool|int $limit_count row count for LIMIT or true for $GLOBALS['cfg']['MaxDbList']
* @return array $databases
*/
function PMA_DBI_get_databases_full($database = null, $force_stats = false,
$link = null, $sort_by = 'SCHEMA_NAME', $sort_order = 'ASC',
$limit_offset = 0, $limit_count = false)
{
$sort_order = strtoupper($sort_order);
if (true === $limit_count) {
$limit_count = $GLOBALS['cfg']['MaxDbList'];
}
// initialize to avoid errors when there are no databases
$databases = array();
$apply_limit_and_order_manual = true;
if (PMA_MYSQL_INT_VERSION >= 50002) {
/**
* if $GLOBALS['cfg']['NaturalOrder'] is enabled, we cannot use LIMIT
* cause MySQL does not support natural ordering, we have to do it afterward
*/
if ($GLOBALS['cfg']['NaturalOrder']) {
$limit = '';
} else {
if ($limit_count) {
$limit = ' LIMIT ' . $limit_count . ' OFFSET ' . $limit_offset;
}
$apply_limit_and_order_manual = false;
}
// get table information from information_schema
if ( $database ) {
$sql_where_schema = 'WHERE `SCHEMA_NAME` LIKE \''
. addslashes( $database ) . '\'';
} else {
$sql_where_schema = '';
}
// for PMA bc:
// `SCHEMA_FIELD_NAME` AS `SHOW_TABLE_STATUS_FIELD_NAME`
$sql = '
SELECT `information_schema`.`SCHEMATA`.*';
if ($force_stats) {
$sql .= ',
COUNT(`information_schema`.`TABLES`.`TABLE_SCHEMA`)
AS `SCHEMA_TABLES`,
SUM(`information_schema`.`TABLES`.`TABLE_ROWS`)
AS `SCHEMA_TABLE_ROWS`,
SUM(`information_schema`.`TABLES`.`DATA_LENGTH`)
AS `SCHEMA_DATA_LENGTH`,
SUM(`information_schema`.`TABLES`.`MAX_DATA_LENGTH`)
AS `SCHEMA_MAX_DATA_LENGTH`,
SUM(`information_schema`.`TABLES`.`INDEX_LENGTH`)
AS `SCHEMA_INDEX_LENGTH`,
SUM(`information_schema`.`TABLES`.`DATA_LENGTH`
+ `information_schema`.`TABLES`.`INDEX_LENGTH`)
AS `SCHEMA_LENGTH`,
SUM(`information_schema`.`TABLES`.`DATA_FREE`)
AS `SCHEMA_DATA_FREE`';
}
$sql .= '
FROM `information_schema`.`SCHEMATA`';
if ($force_stats) {
$sql .= '
LEFT JOIN `information_schema`.`TABLES`
ON BINARY `information_schema`.`TABLES`.`TABLE_SCHEMA`
= BINARY `information_schema`.`SCHEMATA`.`SCHEMA_NAME`';
}
$sql .= '
' . $sql_where_schema . '
GROUP BY BINARY `information_schema`.`SCHEMATA`.`SCHEMA_NAME`
ORDER BY BINARY ' . PMA_backquote($sort_by) . ' ' . $sort_order
. $limit;
$databases = PMA_DBI_fetch_result($sql, 'SCHEMA_NAME', null, $link);
$mysql_error = PMA_DBI_getError($link);
if (! count($databases) && $GLOBALS['errno']) {
PMA_mysqlDie($mysql_error, $sql);
}
// display only databases also in official database list
// f.e. to apply hide_db and only_db
$drops = array_diff(array_keys($databases), $GLOBALS['PMA_List_Database']->items);
if (count($drops)) {
foreach ($drops as $drop) {
unset($databases[$drop]);
}
unset($drop);
}
unset($sql_where_schema, $sql, $drops);
} else {
foreach ($GLOBALS['PMA_List_Database']->items as $database_name) {
// MySQL forward compatibility
// so pma could use this array as if every server is of version >5.0
$databases[$database_name]['SCHEMA_NAME'] = $database_name;
if ( $force_stats ) {
require_once 'mysql_charsets.lib.php';
$databases[$database_name]['DEFAULT_COLLATION_NAME']
= PMA_getDbCollation( $database_name );
// get additonal info about tables
$databases[$database_name]['SCHEMA_TABLES'] = 0;
$databases[$database_name]['SCHEMA_TABLE_ROWS'] = 0;
$databases[$database_name]['SCHEMA_DATA_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_MAX_DATA_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_INDEX_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_LENGTH'] = 0;
$databases[$database_name]['SCHEMA_DATA_FREE'] = 0;
$res = PMA_DBI_query('SHOW TABLE STATUS FROM ' . PMA_backquote( $database_name ) . ';');
while ( $row = PMA_DBI_fetch_assoc( $res ) ) {
$databases[$database_name]['SCHEMA_TABLES']++;
$databases[$database_name]['SCHEMA_TABLE_ROWS']
+= $row['Rows'];
$databases[$database_name]['SCHEMA_DATA_LENGTH']
+= $row['Data_length'];
$databases[$database_name]['SCHEMA_MAX_DATA_LENGTH']
+= $row['Max_data_length'];
$databases[$database_name]['SCHEMA_INDEX_LENGTH']
+= $row['Index_length'];
$databases[$database_name]['SCHEMA_DATA_FREE']
+= $row['Data_free'];
$databases[$database_name]['SCHEMA_LENGTH']
+= $row['Data_length'] + $row['Index_length'];
}
PMA_DBI_free_result( $res );
unset( $res );
}
}
}
/**
* apply limit and order manually now
* (caused by older MySQL < 5 or $GLOBALS['cfg']['NaturalOrder'])
*/
if ($apply_limit_and_order_manual) {
/**
* first apply ordering
*/
if ($GLOBALS['cfg']['NaturalOrder']) {
$sorter = 'strnatcasecmp';
} else {
$sorter = 'strcasecmp';
}
// produces f.e.:
// return -1 * strnatcasecmp($a["SCHEMA_TABLES"], $b["SCHEMA_TABLES"])
$sort_function = '
return ' . ($sort_order == 'ASC' ? 1 : -1) . ' * ' . $sorter . '($a["' . $sort_by . '"], $b["' . $sort_by . '"]);
';
usort($databases, create_function('$a, $b', $sort_function));
/**
* now apply limit
*/
if ($limit_count) {
$databases = array_slice($databases, $limit_offset, $limit_count);
}
}
return $databases;
}
/**
* returns detailed array with all columns for given table in database,
* or all tables/databases
*
* @param string $database name of database
* @param string $table name of table to retrieve columns from
* @param string $column name of specific column
* @param mixed $link mysql link resource
*/
function PMA_DBI_get_columns_full($database = null, $table = null,
$column = null, $link = null)
{
$columns = array();
if ( PMA_MYSQL_INT_VERSION >= 50002 ) {
$sql_wheres = array();
$array_keys = array();
// get columns information from information_schema
if ( null !== $database ) {
$sql_wheres[] = '`TABLE_SCHEMA` = \'' . addslashes($database) . '\' ';
} else {
$array_keys[] = 'TABLE_SCHEMA';
}
if ( null !== $table ) {
$sql_wheres[] = '`TABLE_NAME` = \'' . addslashes($table) . '\' ';
} else {
$array_keys[] = 'TABLE_NAME';
}
if ( null !== $column ) {
$sql_wheres[] = '`COLUMN_NAME` = \'' . addslashes($column) . '\' ';
} else {
$array_keys[] = 'COLUMN_NAME';
}
// for PMA bc:
// `[SCHEMA_FIELD_NAME]` AS `[SHOW_FULL_COLUMNS_FIELD_NAME]`
$sql = '
SELECT *,
`COLUMN_NAME` AS `Field`,
`COLUMN_TYPE` AS `Type`,
`COLLATION_NAME` AS `Collation`,
`IS_NULLABLE` AS `Null`,
`COLUMN_KEY` AS `Key`,
`COLUMN_DEFAULT` AS `Default`,
`EXTRA` AS `Extra`,
`PRIVILEGES` AS `Privileges`,
`COLUMN_COMMENT` AS `Comment`
FROM `information_schema`.`COLUMNS`';
if ( count($sql_wheres) ) {
$sql .= "\n" . ' WHERE ' . implode(' AND ', $sql_wheres);
}
$columns = PMA_DBI_fetch_result($sql, $array_keys, null, $link);
unset( $sql_wheres, $sql );
} else {
if ( null === $database ) {
foreach ($GLOBALS['PMA_List_Database']->items as $database) {
$columns[$database] = PMA_DBI_get_columns_full($database, null,
null, $link);
}
return $columns;
} elseif ( null === $table ) {
$tables = PMA_DBI_get_tables($database);
foreach ( $tables as $table ) {
$columns[$table] = PMA_DBI_get_columns_full(
$database, $table, null, $link);
}
return $columns;
}
$sql = 'SHOW FULL COLUMNS FROM '
. PMA_backquote($database) . '.' . PMA_backquote($table);
if ( null !== $column ) {
$sql .= " LIKE '" . $column . "'";
}
$columns = PMA_DBI_fetch_result( $sql, 'Field', null, $link );
$ordinal_position = 1;
foreach ( $columns as $column_name => $each_column ) {
// MySQL forward compatibility
// so pma could use this array as if every server is of version >5.0
$columns[$column_name]['COLUMN_NAME'] =& $columns[$column_name]['Field'];
$columns[$column_name]['COLUMN_TYPE'] =& $columns[$column_name]['Type'];
$columns[$column_name]['COLLATION_NAME'] =& $columns[$column_name]['Collation'];
$columns[$column_name]['IS_NULLABLE'] =& $columns[$column_name]['Null'];
$columns[$column_name]['COLUMN_KEY'] =& $columns[$column_name]['Key'];
$columns[$column_name]['COLUMN_DEFAULT'] =& $columns[$column_name]['Default'];
$columns[$column_name]['EXTRA'] =& $columns[$column_name]['Extra'];
$columns[$column_name]['PRIVILEGES'] =& $columns[$column_name]['Privileges'];
$columns[$column_name]['COLUMN_COMMENT'] =& $columns[$column_name]['Comment'];
$columns[$column_name]['TABLE_CATALOG'] = null;
$columns[$column_name]['TABLE_SCHEMA'] = $database;
$columns[$column_name]['TABLE_NAME'] = $table;
$columns[$column_name]['ORDINAL_POSITION'] = $ordinal_position;
$columns[$column_name]['DATA_TYPE'] =
substr($columns[$column_name]['COLUMN_TYPE'], 0,
strpos($columns[$column_name]['COLUMN_TYPE'], '('));
/**
* @todo guess CHARACTER_MAXIMUM_LENGTH from COLUMN_TYPE
*/
$columns[$column_name]['CHARACTER_MAXIMUM_LENGTH'] = null;
/**
* @todo guess CHARACTER_OCTET_LENGTH from CHARACTER_MAXIMUM_LENGTH
*/
$columns[$column_name]['CHARACTER_OCTET_LENGTH'] = null;
$columns[$column_name]['NUMERIC_PRECISION'] = null;
$columns[$column_name]['NUMERIC_SCALE'] = null;
$columns[$column_name]['CHARACTER_SET_NAME'] =
substr($columns[$column_name]['COLLATION_NAME'], 0,
strpos($columns[$column_name]['COLLATION_NAME'], '_'));
$ordinal_position++;
}
if ( null !== $column ) {
reset($columns);
$columns = current($columns);
}
}
return $columns;
}
/**
* @todo should only return columns names, for more info use PMA_DBI_get_columns_full()
*
* @deprecated by PMA_DBI_get_columns() or PMA_DBI_get_columns_full()
* @param string $database name of database
* @param string $table name of table to retrieve columns from
* @param mixed $link mysql link resource
* @return array column info
*/
function PMA_DBI_get_fields($database, $table, $link = null)
{
// here we use a try_query because when coming from
// tbl_create + tbl_properties.inc.php, the table does not exist
$fields = PMA_DBI_fetch_result(
'SHOW FULL COLUMNS
FROM ' . PMA_backquote($database) . '.' . PMA_backquote($table),
null, null, $link);
if ( ! is_array($fields) || count($fields) < 1 ) {
return false;
}
return $fields;
}
/**
* array PMA_DBI_get_columns(string $database, string $table, bool $full = false, mysql db link $link = null)
*
* @param string $database name of database
* @param string $table name of table to retrieve columns from
* @param boolean $full wether to return full info or only column names
* @param mixed $link mysql link resource
* @return array column names
*/
function PMA_DBI_get_columns($database, $table, $full = false, $link = null)
{
$fields = PMA_DBI_fetch_result(
'SHOW ' . ($full ? 'FULL' : '') . ' COLUMNS
FROM ' . PMA_backquote($database) . '.' . PMA_backquote($table),
'Fields', ($full ? null : 'Fields'), $link);
if ( ! is_array($fields) || count($fields) < 1 ) {
return false;
}
return $fields;
}
/**
* returns value of given mysql server variable
*
* @param string $var mysql server variable name
* @param int $type PMA_DBI_GETVAR_SESSION|PMA_DBI_GETVAR_GLOBAL
* @param mixed $link mysql link resource|object
* @return mixed value for mysql server variable
*/
function PMA_DBI_get_variable($var, $type = PMA_DBI_GETVAR_SESSION, $link = null)
{
if ($link === null) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return false;
}
}
if (PMA_MYSQL_INT_VERSION < 40002) {
$type = 0;
}
switch ($type) {
case PMA_DBI_GETVAR_SESSION:
$modifier = ' SESSION';
break;
case PMA_DBI_GETVAR_GLOBAL:
$modifier = ' GLOBAL';
break;
default:
$modifier = '';
}
return PMA_DBI_fetch_value(
'SHOW' . $modifier . ' VARIABLES LIKE \'' . $var . '\';', 0, 1, $link);
}
/**
* @uses ./libraries/charset_conversion.lib.php
* @uses PMA_DBI_QUERY_STORE
* @uses PMA_REMOVED_NON_UTF_8
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_MYSQL_STR_VERSION
* @uses PMA_DBI_GETVAR_SESSION
* @uses PMA_DBI_fetch_value()
* @uses PMA_DBI_query()
* @uses PMA_DBI_get_variable()
* @uses $GLOBALS['collation_connection']
* @uses $GLOBALS['charset_connection']
* @uses $GLOBALS['available_languages']
* @uses $GLOBALS['mysql_charset_map']
* @uses $GLOBALS['charset']
* @uses $GLOBALS['lang']
* @uses $GLOBALS['cfg']['Lang']
* @uses $GLOBALS['cfg']['ColumnTypes']
* @uses defined()
* @uses explode()
* @uses sprintf()
* @uses intval()
* @uses define()
* @uses defined()
* @uses substr()
* @uses count()
* @param mixed $link mysql link resource|object
* @param boolean $is_controluser
*/
function PMA_DBI_postConnect($link, $is_controluser = false)
{
if (!defined('PMA_MYSQL_INT_VERSION')) {
$mysql_version = PMA_DBI_fetch_value(
'SELECT VERSION()', 0, 0, $link, PMA_DBI_QUERY_STORE);
if ( $mysql_version ) {
$match = explode('.', $mysql_version);
define('PMA_MYSQL_INT_VERSION',
(int) sprintf('%d%02d%02d', $match[0], $match[1],
intval($match[2])));
define('PMA_MYSQL_STR_VERSION', $mysql_version);
unset($mysql_version, $match);
} else {
define('PMA_MYSQL_INT_VERSION', 32332);
define('PMA_MYSQL_STR_VERSION', '3.23.32');
}
}
if (!defined('PMA_ENGINE_KEYWORD')) {
if (PMA_MYSQL_INT_VERSION >= 40102) {
define('PMA_ENGINE_KEYWORD','ENGINE');
} else {
define('PMA_ENGINE_KEYWORD','TYPE');
}
}
if (PMA_MYSQL_INT_VERSION >= 40100) {
// If $lang is defined and we are on MySQL >= 4.1.x,
// we auto-switch the lang to its UTF-8 version (if it exists and user
// didn't force language)
if ( !empty($GLOBALS['lang'])
&& (substr($GLOBALS['lang'], -5) != 'utf-8')
&& !isset($GLOBALS['cfg']['Lang']) ) {
$lang_utf_8_version =
substr($GLOBALS['lang'], 0, strpos($GLOBALS['lang'], '-'))
. '-utf-8';
if (!empty($GLOBALS['available_languages'][$lang_utf_8_version])) {
$GLOBALS['lang'] = $lang_utf_8_version;
$GLOBALS['charset'] = 'utf-8';
define('PMA_LANG_RELOAD', 1);
}
}
// and we remove the non-UTF-8 choices to avoid confusion
if (!defined('PMA_REMOVED_NON_UTF_8')) {
foreach ( $GLOBALS['available_languages'] as $each_lang => $dummy ) {
if ( substr($each_lang, -5) != 'utf-8' ) {
unset( $GLOBALS['available_languages'][$each_lang] );
}
}
define('PMA_REMOVED_NON_UTF_8', 1);
}
$mysql_charset = $GLOBALS['mysql_charset_map'][$GLOBALS['charset']];
if ( $is_controluser
|| empty($GLOBALS['collation_connection'])
|| (strpos($GLOBALS['collation_connection'], '_')
? substr($GLOBALS['collation_connection'], 0, strpos($GLOBALS['collation_connection'], '_'))
: $GLOBALS['collation_connection']) == $mysql_charset) {
PMA_DBI_query('SET NAMES ' . $mysql_charset . ';', $link,
PMA_DBI_QUERY_STORE);
} else {
PMA_DBI_query('SET CHARACTER SET ' . $mysql_charset . ';', $link,
PMA_DBI_QUERY_STORE);
}
if (!empty($GLOBALS['collation_connection'])) {
PMA_DBI_query('SET collation_connection = \'' . $GLOBALS['collation_connection'] . '\';',
$link, PMA_DBI_QUERY_STORE);
}
if (!$is_controluser) {
$GLOBALS['collation_connection'] = PMA_DBI_get_variable('collation_connection',
PMA_DBI_GETVAR_SESSION, $link);
$GLOBALS['charset_connection'] = PMA_DBI_get_variable('character_set_connection',
PMA_DBI_GETVAR_SESSION, $link);
}
// Add some field types to the list, this needs to be done once per session!
if (!in_array('BINARY', $GLOBALS['cfg']['ColumnTypes']))
$GLOBALS['cfg']['ColumnTypes'][] = 'BINARY';
if (!in_array('VARBINARY', $GLOBALS['cfg']['ColumnTypes']))
$GLOBALS['cfg']['ColumnTypes'][] = 'VARBINARY';
} else {
require_once('./libraries/charset_conversion.lib.php');
}
}
/**
* returns a single value from the given result or query,
* if the query or the result has more than one row or field
* the first field of the first row is returned
*
* <code>
* $sql = 'SELECT `name` FROM `user` WHERE `id` = 123';
* $user_name = PMA_DBI_fetch_value( $sql );
* // produces
* // $user_name = 'John Doe'
* </code>
*
* @uses is_string()
* @uses is_int()
* @uses PMA_DBI_try_query()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_fetch_row()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_free_result()
* @param string|mysql_result $result query or mysql result
* @param integer $row_number row to fetch the value from,
* starting at 0, with 0 beeing default
* @param integer|string $field field to fetch the value from,
* starting at 0, with 0 beeing default
* @param resource $link mysql link
* @param mixed $options
* @return mixed value of first field in first row from result
* or false if not found
*/
function PMA_DBI_fetch_value( $result, $row_number = 0, $field = 0, $link = null, $options = 0 ) {
$value = false;
if ( is_string( $result ) ) {
$result = PMA_DBI_try_query( $result, $link, $options | PMA_DBI_QUERY_STORE );
}
// return false if result is empty or false
// or requested row is larger than rows in result
if ( PMA_DBI_num_rows( $result ) < ( $row_number + 1 ) ) {
return $value;
}
// if $field is an integer use non associative mysql fetch function
if ( is_int( $field ) ) {
$fetch_function = 'PMA_DBI_fetch_row';
} else {
$fetch_function = 'PMA_DBI_fetch_assoc';
}
// get requested row
for ( $i = 0; $i <= $row_number; $i++ ) {
$row = $fetch_function( $result );
}
PMA_DBI_free_result( $result );
// return requested field
if ( isset( $row[$field] ) ) {
$value = $row[$field];
}
unset( $row );
return $value;
}
/**
* returns only the first row from the result
*
* <code>
* $sql = 'SELECT * FROM `user` WHERE `id` = 123';
* $user = PMA_DBI_fetch_single_row( $sql );
* // produces
* // $user = array( 'id' => 123, 'name' => 'John Doe' )
* </code>
*
* @uses is_string()
* @uses PMA_DBI_try_query()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_fetch_row()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_fetch_array()
* @uses PMA_DBI_free_result()
* @param string|mysql_result $result query or mysql result
* @param string $type NUM|ASSOC|BOTH
* returned array should either numeric
* associativ or booth
* @param resource $link mysql link
* @param mixed $options
* @return array|boolean first row from result
* or false if result is empty
*/
function PMA_DBI_fetch_single_row( $result, $type = 'ASSOC', $link = null, $options = 0 ) {
if ( is_string( $result ) ) {
$result = PMA_DBI_try_query( $result, $link, $options | PMA_DBI_QUERY_STORE );
}
// return null if result is empty or false
if ( ! PMA_DBI_num_rows( $result ) ) {
return false;
}
switch ( $type ) {
case 'NUM' :
$fetch_function = 'PMA_DBI_fetch_row';
break;
case 'ASSOC' :
$fetch_function = 'PMA_DBI_fetch_assoc';
break;
case 'BOTH' :
default :
$fetch_function = 'PMA_DBI_fetch_array';
break;
}
$row = $fetch_function( $result );
PMA_DBI_free_result( $result );
return $row;
}
/**
* returns all rows in the resultset in one array
*
* <code>
* $sql = 'SELECT * FROM `user`';
* $users = PMA_DBI_fetch_result( $sql );
* // produces
* // $users[] = array( 'id' => 123, 'name' => 'John Doe' )
*
* $sql = 'SELECT `id`, `name` FROM `user`';
* $users = PMA_DBI_fetch_result( $sql, 'id' );
* // produces
* // $users['123'] = array( 'id' => 123, 'name' => 'John Doe' )
*
* $sql = 'SELECT `id`, `name` FROM `user`';
* $users = PMA_DBI_fetch_result( $sql, 0 );
* // produces
* // $users['123'] = array( 0 => 123, 1 => 'John Doe' )
*
* $sql = 'SELECT `id`, `name` FROM `user`';
* $users = PMA_DBI_fetch_result( $sql, 'id', 'name' );
* // or
* $users = PMA_DBI_fetch_result( $sql, 0, 1 );
* // produces
* // $users['123'] = 'John Doe'
*
* $sql = 'SELECT `name` FROM `user`';
* $users = PMA_DBI_fetch_result( $sql );
* // produces
* // $users[] = 'John Doe'
* </code>
*
* @uses is_string()
* @uses is_int()
* @uses PMA_DBI_try_query()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_num_fields()
* @uses PMA_DBI_fetch_row()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_free_result()
* @param string|mysql_result $result query or mysql result
* @param string|integer $key field-name or offset
* used as key for array
* @param string|integer $value value-name or offset
* used as value for array
* @param resource $link mysql link
* @param mixed $options
* @return array resultrows or values indexed by $key
*/
function PMA_DBI_fetch_result( $result, $key = null, $value = null,
$link = null, $options = 0 )
{
$resultrows = array();
if ( is_string($result) ) {
$result = PMA_DBI_try_query($result, $link, $options);
}
// return empty array if result is empty or false
if ( ! $result ) {
return $resultrows;
}
$fetch_function = 'PMA_DBI_fetch_assoc';
// no nested array if only one field is in result
if ( null === $key && 1 === PMA_DBI_num_fields($result) ) {
$value = 0;
$fetch_function = 'PMA_DBI_fetch_row';
}
// if $key is an integer use non associative mysql fetch function
if ( is_int($key) ) {
$fetch_function = 'PMA_DBI_fetch_row';
}
if ( null === $key && null === $value ) {
while ( $row = $fetch_function($result) ) {
$resultrows[] = $row;
}
} elseif ( null === $key ) {
while ( $row = $fetch_function($result) ) {
$resultrows[] = $row[$value];
}
} elseif ( null === $value ) {
if ( is_array($key) ) {
while ( $row = $fetch_function($result) ) {
$result_target =& $resultrows;
foreach ( $key as $key_index ) {
if ( ! isset( $result_target[$row[$key_index]] ) ) {
$result_target[$row[$key_index]] = array();
}
$result_target =& $result_target[$row[$key_index]];
}
$result_target = $row;
}
} else {
while ( $row = $fetch_function($result) ) {
$resultrows[$row[$key]] = $row;
}
}
} else {
if ( is_array($key) ) {
while ( $row = $fetch_function($result) ) {
$result_target =& $resultrows;
foreach ( $key as $key_index ) {
if ( ! isset( $result_target[$row[$key_index]] ) ) {
$result_target[$row[$key_index]] = array();
}
$result_target =& $result_target[$row[$key_index]];
}
$result_target = $row[$value];
}
} else {
while ( $row = $fetch_function($result) ) {
$resultrows[$row[$key]] = $row[$value];
}
}
}
PMA_DBI_free_result($result);
return $resultrows;
}
/**
* return default table engine for given database
*
* @return string default table engine
*/
function PMA_DBI_get_default_engine()
{
if ( PMA_MYSQL_INT_VERSION > 50002 ) {
return PMA_DBI_fetch_value( 'SHOW VARIABLES LIKE \'storage_engine\';', 0, 1 );
} else {
return PMA_DBI_fetch_value( 'SHOW VARIABLES LIKE \'table_type\';', 0, 1 );
}
}
/**
* Get supported SQL compatibility modes
*
* @return array supported SQL compatibility modes
*/
function PMA_DBI_getCompatibilities()
{
if (PMA_MYSQL_INT_VERSION < 40100) {
return array();
}
$compats = array('NONE');
if (PMA_MYSQL_INT_VERSION >= 40101) {
$compats[] = 'ANSI';
$compats[] = 'DB2';
$compats[] = 'MAXDB';
$compats[] = 'MYSQL323';
$compats[] = 'MYSQL40';
$compats[] = 'MSSQL';
$compats[] = 'ORACLE';
// removed; in MySQL 5.0.33, this produces exports that
// can't be read by POSTGRESQL (see our bug #1596328)
//$compats[] = 'POSTGRESQL';
if (PMA_MYSQL_INT_VERSION >= 50002) {
$compats[] = 'TRADITIONAL';
}
}
return $compats;
}
/**
* returns warnings for last query
*
* @uses $GLOBALS['userlink']
* @uses PMA_DBI_fetch_result()
* @param resource mysql link $link mysql link resource
* @return array warnings
*/
function PMA_DBI_get_warnings($link = null)
{
if (PMA_MYSQL_INT_VERSION < 40100) {
return array();
}
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return array();
}
}
return PMA_DBI_fetch_result('SHOW WARNINGS', null, null, $link);
}
/**
* returns true (int > 0) if current user is superuser
* otherwise 0
*
* @return integer $is_superuser
*/
function PMA_isSuperuser() {
return PMA_DBI_try_query( 'SELECT COUNT(*) FROM mysql.user',
$GLOBALS['userlink'], PMA_DBI_QUERY_STORE );
}
/**
* returns an array of PROCEDURE or FUNCTION names for a db
*
* @uses PMA_DBI_free_result()
* @param string $db db name
* @param string $which PROCEDURE | FUNCTION
* @param resource $link mysql link
*
* @return array the procedure names or function names
*/
function PMA_DBI_get_procedures_or_functions($db, $which, $link = null) {
$shows = PMA_DBI_fetch_result('SHOW ' . $which . ' STATUS;', null, null, $link);
$result = array();
foreach ($shows as $one_show) {
if ($one_show['Db'] == $db && $one_show['Type'] == $which) {
$result[] = $one_show['Name'];
}
}
return($result);
}
/**
* returns the definition of a specific PROCEDURE or FUNCTION
*
* @uses PMA_DBI_fetch_value()
* @param string $db db name
* @param string $which PROCEDURE | FUNCTION
* @param string $proc_or_function_name the procedure name or function name
* @param resource $link mysql link
*
* @return string the procedure's or function's definition
*/
function PMA_DBI_get_procedure_or_function_def($db, $which, $proc_or_function_name, $link = null) {
$returned_field = array('PROCEDURE' => 'Create Procedure', 'FUNCTION' => 'Create Function');
$query = 'SHOW CREATE ' . $which . ' ' . PMA_backquote($db) . '.' . PMA_backquote($proc_or_function_name);
return(PMA_DBI_fetch_value( $query, 0, $returned_field[$which]));
}
?>
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