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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used to build SQL dumps of tables
*
* @package phpMyAdmin-Export-SQL
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
*
*/
if (isset($plugin_list)) {
$hide_sql = false;
$hide_structure = false;
if ($plugin_param['export_type'] == 'table' && !$plugin_param['single_table']) {
$hide_structure = true;
$hide_sql = true;
}
if (!$hide_sql) {
$plugin_list['sql'] = array(
'text' => __('SQL'),
'extension' => 'sql',
'mime_type' => 'text/x-sql',
'options' => array());
$plugin_list['sql']['options'][] = array('type' => 'begin_group', 'name' => 'general_opts');
/* comments */
$plugin_list['sql']['options'][] =
array('type' => 'begin_subgroup', 'subgroup_header' => array('type' => 'bool', 'name' => 'include_comments', 'text' => __('Display comments <i>(includes info such as export timestamp, PHP version, and server version)</i>')));
$plugin_list['sql']['options'][] =
array('type' => 'text', 'name' => 'header_comment', 'text' => __('Additional custom header comment (\n splits lines):'));
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'dates', 'text' => __('Include a timestamp of when databases were created, last updated, and last checked'));
if (!empty($GLOBALS['cfgRelation']['relation'])) {
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'relation', 'text' => __('Display foreign key relationships'));
}
if (!empty($GLOBALS['cfgRelation']['mimework'])) {
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'mime', 'text' => __('Display MIME types'));
}
$plugin_list['sql']['options'][] = array('type' => 'end_subgroup');
/* end comments */
/* enclose in a transaction */
$plugin_list['sql']['options'][] = array('type' => 'bool', 'name' => 'use_transaction', 'text' => __('Enclose export in a transaction'), 'doc' => array('programs', 'mysqldump', 'option_mysqldump_single-transaction'));
/* disable foreign key checks */
$plugin_list['sql']['options'][] = array('type' => 'bool', 'name' => 'disable_fk', 'text' => __('Disable foreign key checks'), 'doc' => array('manual_MySQL_Database_Administration', 'server-system-variables', 'sysvar_foreign_key_checks'));
$plugin_list['sql']['options_text'] = __('Options');
/* compatibility maximization */
$compats = PMA_DBI_getCompatibilities();
if (count($compats) > 0) {
$values = array();
foreach($compats as $val) {
$values[$val] = $val;
}
$plugin_list['sql']['options'][] =
array('type' => 'select', 'name' => 'compatibility', 'text' => __('Database system or older MySQL server to maximize output compatibility with:'), 'values' => $values, 'doc' => array('manual_MySQL_Database_Administration', 'Server_SQL_mode'));
unset($values);
}
/* server export options */
if ($plugin_param['export_type'] == 'server') {
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'drop_database', 'text' => sprintf(__('Add %s statement'), '<code>DROP DATABASE</code>'));
}
/* what to dump (structure/data/both) */
$plugin_list['sql']['options'][] =
array('type' => 'begin_subgroup', 'subgroup_header' => array('type' => 'message_only', 'text' => __('Dump table')));
$plugin_list['sql']['options'][] =
array('type' => 'radio', 'name' => 'structure_or_data', 'values' => array('structure' => __('structure'), 'data' => __('data'), 'structure_and_data' => __('structure and data')));
$plugin_list['sql']['options'][] = array('type' => 'end_subgroup');
$plugin_list['sql']['options'][] = array('type' => 'end_group');
/* begin Structure options */
if (!$hide_structure) {
$plugin_list['sql']['options'][] =
array('type' => 'begin_group', 'name' => 'structure', 'text' => __('Object creation options'), 'force' => 'data');
/* begin SQL Statements */
$plugin_list['sql']['options'][] =
array('type' => 'begin_subgroup', 'subgroup_header' => array('type' => 'message_only', 'name' => 'add_statements', 'text' => __('Add statements:')));
if ($plugin_param['export_type'] == 'table') {
if (PMA_Table::isView($GLOBALS['db'], $GLOBALS['table'])) {
$drop_clause = '<code>DROP VIEW</code>';
} else {
$drop_clause = '<code>DROP TABLE</code>';
}
} else {
$drop_clause = '<code>DROP TABLE / VIEW / PROCEDURE / FUNCTION</code>';
if (PMA_MYSQL_INT_VERSION > 50100) {
$drop_clause .= '<code> / EVENT</code>';
}
}
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'drop_table', 'text' => sprintf(__('Add %s statement'), $drop_clause));
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'procedure_function', 'text' => sprintf(__('Add %s statement'), '<code>CREATE PROCEDURE / FUNCTION' . (PMA_MYSQL_INT_VERSION > 50100 ? ' / EVENT</code>' : '</code>')));
/* begin CREATE TABLE statements*/
$plugin_list['sql']['options'][] =
array('type' => 'begin_subgroup', 'subgroup_header' => array('type' => 'bool', 'name' => 'create_table_statements', 'text' => __('<code>CREATE TABLE</code> options:')));
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'if_not_exists', 'text' => '<code>IF NOT EXISTS</code>');
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'auto_increment', 'text' => '<code>AUTO_INCREMENT</code>');
$plugin_list['sql']['options'][] = array('type' => 'end_subgroup');
/* end CREATE TABLE statements */
$plugin_list['sql']['options'][] = array('type' => 'end_subgroup');
/* end SQL statements */
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'backquotes', 'text' => __('Enclose table and field names with backquotes <i>(Protects field and table names formed with special characters or keywords)</i>'));
$plugin_list['sql']['options'][] =
array('type' => 'end_group');
}
/* end Structure options */
/* begin Data options */
$plugin_list['sql']['options'][] =
array('type' => 'begin_group', 'name' => 'data', 'text' => __('Data dump options'), 'force' => 'structure');
/* begin SQL statements */
$plugin_list['sql']['options'][] =
array('type' => 'begin_subgroup', 'subgroup_header' => array('type' => 'message_only', 'text' => __('Instead of <code>INSERT</code> statements, use:')));
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'delayed', 'text' => __('<code>INSERT DELAYED</code> statements'), 'doc' => array('manual_MySQL_Database_Administration', 'insert_delayed'));
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'ignore', 'text' => __('<code>INSERT IGNORE</code> statements'), 'doc' => array('manual_MySQL_Database_Administration', 'insert'));
$plugin_list['sql']['options'][] =
array('type' => 'end_subgroup');
/* end SQL statements */
/* Function to use when dumping data */
$plugin_list['sql']['options'][] =
array('type' => 'select', 'name' => 'type', 'text' => __('Function to use when dumping data:'), 'values' => array('INSERT' => 'INSERT', 'UPDATE' => 'UPDATE', 'REPLACE' => 'REPLACE'));
/* Syntax to use when inserting data */
$plugin_list['sql']['options'][] =
array('type' => 'begin_subgroup', 'subgroup_header' => array('type' => 'message_only', 'text' => __('Syntax to use when inserting data:')));
$plugin_list['sql']['options'][] =
array('type' => 'radio', 'name' => 'insert_syntax', 'values' => array(
'complete' => __('include column names in every <code>INSERT</code> statement <br /> Example: <code>INSERT INTO tbl_name (col_A,col_B,col_C) VALUES (1,2,3)</code>'),
'extended' => __('insert multiple rows in every <code>INSERT</code> statement<br /> Example: <code>INSERT INTO tbl_name VALUES (1,2,3), (4,5,6), (7,8,9)</code>'),
'both' => __('both of the above<br /> Example: <code>INSERT INTO tbl_name (col_A,col_B) VALUES (1,2,3), (4,5,6), (7,8,9)</code>'),
'none' => __('neither of the above<br /> Example: <code>INSERT INTO tbl_name VALUES (1,2,3)</code>')));
$plugin_list['sql']['options'][] =
array('type' => 'end_subgroup');
/* Max length of query */
$plugin_list['sql']['options'][] =
array('type' => 'text', 'name' => 'max_query_size', 'text' => __('Maximal length of created query'));
/* Dump binary columns in hexadecimal */
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'hex_for_blob', 'text' => __('Dump binary columns in hexadecimal notation <i>(for example, "abc" becomes 0x616263)</i>'));
/* Dump time in UTC */
$plugin_list['sql']['options'][] =
array('type' => 'bool', 'name' => 'utc_time', 'text' => __('Dump TIMESTAMP columns in UTC <i>(enables TIMESTAMP columns to be dumped and reloaded between servers in different time zones)</i>'));
$plugin_list['sql']['options'][] = array('type' => 'end_group');
/* end Data options */
}
} else {
/**
* Avoids undefined variables, use NULL so isset() returns false
*/
if (! isset($sql_backquotes)) {
$sql_backquotes = null;
}
/**
* Exports routines (procedures and functions)
*
* @param string $db
*
* @return bool Whether it suceeded
*/
function PMA_exportRoutines($db) {
global $crlf;
$text = '';
$delimiter = '$$';
$procedure_names = PMA_DBI_get_procedures_or_functions($db, 'PROCEDURE');
$function_names = PMA_DBI_get_procedures_or_functions($db, 'FUNCTION');
if ($procedure_names || $function_names) {
$text .= $crlf
. 'DELIMITER ' . $delimiter . $crlf;
}
if ($procedure_names) {
$text .=
PMA_exportComment()
. PMA_exportComment(__('Procedures'))
. PMA_exportComment();
foreach($procedure_names as $procedure_name) {
if (! empty($GLOBALS['sql_drop_table'])) {
$text .= 'DROP PROCEDURE IF EXISTS ' . PMA_backquote($procedure_name) . $delimiter . $crlf;
}
$text .= PMA_DBI_get_definition($db, 'PROCEDURE', $procedure_name) . $delimiter . $crlf . $crlf;
}
}
if ($function_names) {
$text .=
PMA_exportComment()
. PMA_exportComment(__('Functions'))
. PMA_exportComment();
foreach($function_names as $function_name) {
if (! empty($GLOBALS['sql_drop_table'])) {
$text .= 'DROP FUNCTION IF EXISTS ' . PMA_backquote($function_name) . $delimiter . $crlf;
}
$text .= PMA_DBI_get_definition($db, 'FUNCTION', $function_name) . $delimiter . $crlf . $crlf;
}
}
if ($procedure_names || $function_names) {
$text .= 'DELIMITER ;' . $crlf;
}
if (! empty($text)) {
return PMA_exportOutputHandler($text);
} else {
return false;
}
}
/**
* Possibly outputs comment
*
* @param string Text of comment
*
* @return string The formatted comment
*/
function PMA_exportComment($text = '')
{
if (isset($GLOBALS['sql_include_comments']) && $GLOBALS['sql_include_comments']) {
// see http://dev.mysql.com/doc/refman/5.0/en/ansi-diff-comments.html
return '--' . (empty($text) ? '' : ' ') . $text . $GLOBALS['crlf'];
} else {
return '';
}
}
/**
* Possibly outputs CRLF
*
* @return string $crlf or nothing
*/
function PMA_possibleCRLF()
{
if (isset($GLOBALS['sql_include_comments']) && $GLOBALS['sql_include_comments']) {
return $GLOBALS['crlf'];
} else {
return '';
}
}
/**
* Outputs export footer
*
* @return bool Whether it suceeded
*
* @access public
*/
function PMA_exportFooter()
{
global $crlf;
global $mysql_charset_map;
$foot = '';
if (isset($GLOBALS['sql_disable_fk'])) {
$foot .= 'SET FOREIGN_KEY_CHECKS=1;' . $crlf;
}
if (isset($GLOBALS['sql_use_transaction'])) {
$foot .= 'COMMIT;' . $crlf;
}
// restore connection settings
$charset_of_file = isset($GLOBALS['charset_of_file']) ? $GLOBALS['charset_of_file'] : '';
if (!empty($GLOBALS['asfile']) && isset($mysql_charset_map[$charset_of_file])) {
$foot .= $crlf
. '/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;' . $crlf
. '/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;' . $crlf
. '/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;' . $crlf;
}
/* Restore timezone */
if ($GLOBALS['sql_utc_time']) {
PMA_DBI_query('SET time_zone = "' . $GLOBALS['old_tz'] . '"');
}
return PMA_exportOutputHandler($foot);
}
/**
* Outputs export header
*
* @return bool Whether it suceeded
*
* @access public
*/
function PMA_exportHeader()
{
global $crlf;
global $cfg;
global $mysql_charset_map;
if (isset($GLOBALS['sql_compatibility'])) {
$tmp_compat = $GLOBALS['sql_compatibility'];
if ($tmp_compat == 'NONE') {
$tmp_compat = '';
}
PMA_DBI_try_query('SET SQL_MODE="' . $tmp_compat . '"');
unset($tmp_compat);
}
$head = PMA_exportComment('phpMyAdmin SQL Dump')
. PMA_exportComment('version ' . PMA_VERSION)
. PMA_exportComment('http://www.phpmyadmin.net')
. PMA_exportComment();
$head .= empty($cfg['Server']['port']) ? PMA_exportComment(__('Host') . ': ' . $cfg['Server']['host']) : PMA_exportComment(__('Host') . ': ' . $cfg['Server']['host'] . ':' . $cfg['Server']['port']);
$head .= PMA_exportComment(__('Generation Time')
. ': ' . PMA_localisedDate())
. PMA_exportComment(__('Server version') . ': ' . substr(PMA_MYSQL_INT_VERSION, 0, 1) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 1, 2) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 3))
. PMA_exportComment(__('PHP Version') . ': ' . phpversion())
. PMA_possibleCRLF();
if (isset($GLOBALS['sql_header_comment']) && !empty($GLOBALS['sql_header_comment'])) {
// '\n' is not a newline (like "\n" would be), it's the characters
// backslash and n, as explained on the export interface
$lines = explode('\n', $GLOBALS['sql_header_comment']);
$head .= PMA_exportComment();
foreach($lines as $one_line) {
$head .= PMA_exportComment($one_line);
}
$head .= PMA_exportComment();
}
if (isset($GLOBALS['sql_disable_fk'])) {
$head .= 'SET FOREIGN_KEY_CHECKS=0;' . $crlf;
}
/* We want exported AUTO_INCREMENT fields to have still same value, do this only for recent MySQL exports */
if (!isset($GLOBALS['sql_compatibility']) || $GLOBALS['sql_compatibility'] == 'NONE') {
$head .= 'SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";' . $crlf;
}
if (isset($GLOBALS['sql_use_transaction'])) {
$head .= 'SET AUTOCOMMIT=0;' . $crlf
. 'START TRANSACTION;' . $crlf;
}
/* Change timezone if we should export timestamps in UTC */
if ($GLOBALS['sql_utc_time']) {
$head .= 'SET time_zone = "+00:00";' . $crlf;
$GLOBALS['old_tz'] = PMA_DBI_fetch_value('SELECT @@session.time_zone');
PMA_DBI_query('SET time_zone = "+00:00"');
}
$head .= PMA_possibleCRLF();
if (! empty($GLOBALS['asfile'])) {
// we are saving as file, therefore we provide charset information
// so that a utility like the mysql client can interpret
// the file correctly
if (isset($GLOBALS['charset_of_file']) && isset($mysql_charset_map[$GLOBALS['charset_of_file']])) {
// we got a charset from the export dialog
$set_names = $mysql_charset_map[$GLOBALS['charset_of_file']];
} else {
// by default we use the connection charset
$set_names = $mysql_charset_map[$GLOBALS['charset']];
}
$head .= $crlf
. '/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;' . $crlf
. '/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;' . $crlf
. '/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;' . $crlf
. '/*!40101 SET NAMES ' . $set_names . ' */;' . $crlf . $crlf;
}
return PMA_exportOutputHandler($head);
}
/**
* Outputs CREATE DATABASE database
*
* @param string Database name
*
* @return bool Whether it suceeded
*
* @access public
*/
function PMA_exportDBCreate($db)
{
global $crlf;
if (isset($GLOBALS['sql_drop_database'])) {
if (!PMA_exportOutputHandler('DROP DATABASE ' . (isset($GLOBALS['sql_backquotes']) ? PMA_backquote($db) : $db) . ';' . $crlf)) {
return FALSE;
}
}
$create_query = 'CREATE DATABASE ' . (isset($GLOBALS['sql_backquotes']) ? PMA_backquote($db) : $db);
$collation = PMA_getDbCollation($db);
if (strpos($collation, '_')) {
$create_query .= ' DEFAULT CHARACTER SET ' . substr($collation, 0, strpos($collation, '_')) . ' COLLATE ' . $collation;
} else {
$create_query .= ' DEFAULT CHARACTER SET ' . $collation;
}
$create_query .= ';' . $crlf;
if (!PMA_exportOutputHandler($create_query)) {
return FALSE;
}
if (isset($GLOBALS['sql_backquotes']) && isset($GLOBALS['sql_compatibility']) && $GLOBALS['sql_compatibility'] == 'NONE') {
$result = PMA_exportOutputHandler('USE ' . PMA_backquote($db) . ';' . $crlf);
} else {
$result = PMA_exportOutputHandler('USE ' . $db . ';' . $crlf);
}
return $result;
}
/**
* Outputs database header
*
* @param string Database name
*
* @return bool Whether it suceeded
*
* @access public
*/
function PMA_exportDBHeader($db)
{
$head = PMA_exportComment()
. PMA_exportComment(__('Database') . ': ' . (isset($GLOBALS['sql_backquotes']) ? PMA_backquote($db) : '\'' . $db . '\''))
. PMA_exportComment();
return PMA_exportOutputHandler($head);
}
/**
* Outputs database footer
*
* @param string Database name
*
* @return bool Whether it suceeded
*
* @access public
*/
function PMA_exportDBFooter($db)
{
global $crlf;
$result = TRUE;
if (isset($GLOBALS['sql_constraints'])) {
$result = PMA_exportOutputHandler($GLOBALS['sql_constraints']);
unset($GLOBALS['sql_constraints']);
}
if (($GLOBALS['sql_structure_or_data'] == 'structure' || $GLOBALS['sql_structure_or_data'] == 'structure_and_data') && isset($GLOBALS['sql_procedure_function'])) {
$text = '';
$delimiter = '$$';
if (PMA_MYSQL_INT_VERSION > 50100) {
$event_names = PMA_DBI_fetch_result('SELECT EVENT_NAME FROM information_schema.EVENTS WHERE EVENT_SCHEMA= \'' . PMA_sqlAddslashes($db,true) . '\';');
} else {
$event_names = array();
}
if ($event_names) {
$text .= $crlf
. 'DELIMITER ' . $delimiter . $crlf;
$text .=
PMA_exportComment()
. PMA_exportComment(__('Events'))
. PMA_exportComment();
foreach($event_names as $event_name) {
if (! empty($GLOBALS['sql_drop_table'])) {
$text .= 'DROP EVENT ' . PMA_backquote($event_name) . $delimiter . $crlf;
}
$text .= PMA_DBI_get_definition($db, 'EVENT', $event_name) . $delimiter . $crlf . $crlf;
}
$text .= 'DELIMITER ;' . $crlf;
}
if (! empty($text)) {
$result = PMA_exportOutputHandler($text);
}
}
return $result;
}
/**
* Returns a stand-in CREATE definition to resolve view dependencies
*
* @param string the database name
* @param string the view name
* @param string the end of line sequence
*
* @return string resulting definition
*
* @access public
*/
function PMA_getTableDefStandIn($db, $view, $crlf) {
$create_query = '';
if (! empty($GLOBALS['sql_drop_table'])) {
$create_query .= 'DROP VIEW IF EXISTS ' . PMA_backquote($view) . ';' . $crlf;
}
$create_query .= 'CREATE TABLE ';
if (isset($GLOBALS['sql_if_not_exists']) && $GLOBALS['sql_if_not_exists']) {
$create_query .= 'IF NOT EXISTS ';
}
$create_query .= PMA_backquote($view) . ' (' . $crlf;
$tmp = array();
$columns = PMA_DBI_get_columns_full($db, $view);
foreach($columns as $column_name => $definition) {
$tmp[] = PMA_backquote($column_name) . ' ' . $definition['Type'] . $crlf;
}
$create_query .= implode(',', $tmp) . ');';
return($create_query);
}
/**
* Returns $table's CREATE definition
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param string the url to go back in case of error
* @param boolean whether to include creation/update/check dates
* @param boolean whether to add semicolon and end-of-line at the end
* @param boolean whether we're handling view
*
* @return string resulting schema
*
* @global boolean whether to add 'drop' statements or not
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
*
* @access public
*/
function PMA_getTableDef($db, $table, $crlf, $error_url, $show_dates = false, $add_semicolon = true, $view = false)
{
global $sql_drop_table;
global $sql_backquotes;
global $cfgRelation;
global $sql_constraints;
global $sql_constraints_query; // just the text of the query
global $sql_drop_foreign_keys;
$schema_create = '';
$auto_increment = '';
$new_crlf = $crlf;
// need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
$result = PMA_DBI_query('SHOW TABLE STATUS FROM ' . PMA_backquote($db) . ' LIKE \'' . PMA_sqlAddslashes($table) . '\'', null, PMA_DBI_QUERY_STORE);
if ($result != FALSE) {
if (PMA_DBI_num_rows($result) > 0) {
$tmpres = PMA_DBI_fetch_assoc($result);
// Here we optionally add the AUTO_INCREMENT next value,
// but starting with MySQL 5.0.24, the clause is already included
// in SHOW CREATE TABLE so we'll remove it below
if (isset($GLOBALS['sql_auto_increment']) && !empty($tmpres['Auto_increment'])) {
$auto_increment .= ' AUTO_INCREMENT=' . $tmpres['Auto_increment'] . ' ';
}
if ($show_dates && isset($tmpres['Create_time']) && !empty($tmpres['Create_time'])) {
$schema_create .= PMA_exportComment(__('Creation') . ': ' . PMA_localisedDate(strtotime($tmpres['Create_time'])));
$new_crlf = PMA_exportComment() . $crlf;
}
if ($show_dates && isset($tmpres['Update_time']) && !empty($tmpres['Update_time'])) {
$schema_create .= PMA_exportComment(__('Last update') . ': ' . PMA_localisedDate(strtotime($tmpres['Update_time'])));
$new_crlf = PMA_exportComment() . $crlf;
}
if ($show_dates && isset($tmpres['Check_time']) && !empty($tmpres['Check_time'])) {
$schema_create .= PMA_exportComment(__('Last check') . ': ' . PMA_localisedDate(strtotime($tmpres['Check_time'])));
$new_crlf = PMA_exportComment() . $crlf;
}
}
PMA_DBI_free_result($result);
}
$schema_create .= $new_crlf;
// no need to generate a DROP VIEW here, it was done earlier
if (! empty($sql_drop_table) && ! PMA_Table::isView($db,$table)) {
$schema_create .= 'DROP TABLE IF EXISTS ' . PMA_backquote($table, $sql_backquotes) . ';' . $crlf;
}
// Complete table dump,
// Whether to quote table and fields names or not
if ($sql_backquotes) {
PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 1');
} else {
PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 0');
}
// I don't see the reason why this unbuffered query could cause problems,
// because SHOW CREATE TABLE returns only one row, and we free the
// results below. Nonetheless, we got 2 user reports about this
// (see bug 1562533) so I remove the unbuffered mode.
//$result = PMA_DBI_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table), null, PMA_DBI_QUERY_UNBUFFERED);
//
// Note: SHOW CREATE TABLE, at least in MySQL 5.1.23, does not
// produce a displayable result for the default value of a BIT
// field, nor does the mysqldump command. See MySQL bug 35796
$result = PMA_DBI_try_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table));
// an error can happen, for example the table is crashed
$tmp_error = PMA_DBI_getError();
if ($tmp_error) {
return PMA_exportComment(__('in use') . '(' . $tmp_error . ')');
}
if ($result != FALSE && ($row = PMA_DBI_fetch_row($result))) {
$create_query = $row[1];
unset($row);
// Convert end of line chars to one that we want (note that MySQL doesn't return query it will accept in all cases)
if (strpos($create_query, "(\r\n ")) {
$create_query = str_replace("\r\n", $crlf, $create_query);
} elseif (strpos($create_query, "(\n ")) {
$create_query = str_replace("\n", $crlf, $create_query);
} elseif (strpos($create_query, "(\r ")) {
$create_query = str_replace("\r", $crlf, $create_query);
}
/*
* Drop database name from VIEW creation.
*
* This is a bit tricky, but we need to issue SHOW CREATE TABLE with
* database name, but we don't want name to show up in CREATE VIEW
* statement.
*/
if ($view) {
$create_query = preg_replace('/' . PMA_backquote($db) . '\./', '', $create_query);
}
// Should we use IF NOT EXISTS?
if (isset($GLOBALS['sql_if_not_exists'])) {
$create_query = preg_replace('/^CREATE TABLE/', 'CREATE TABLE IF NOT EXISTS', $create_query);
}
// are there any constraints to cut out?
if (preg_match('@CONSTRAINT|FOREIGN[\s]+KEY@', $create_query)) {
// Split the query into lines, so we can easily handle it. We know lines are separated by $crlf (done few lines above).
$sql_lines = explode($crlf, $create_query);
$sql_count = count($sql_lines);
// lets find first line with constraints
for ($i = 0; $i < $sql_count; $i++) {
if (preg_match('@^[\s]*(CONSTRAINT|FOREIGN[\s]+KEY)@', $sql_lines[$i])) {
break;
}
}
// If we really found a constraint
if ($i != $sql_count) {
// remove , from the end of create statement
$sql_lines[$i - 1] = preg_replace('@,$@', '', $sql_lines[$i - 1]);
// prepare variable for constraints
if (!isset($sql_constraints)) {
if (isset($GLOBALS['no_constraints_comments'])) {
$sql_constraints = '';
} else {
$sql_constraints = $crlf
. PMA_exportComment()
. PMA_exportComment(__('Constraints for dumped tables'))
. PMA_exportComment();
}
}
// comments for current table
if (!isset($GLOBALS['no_constraints_comments'])) {
$sql_constraints .= $crlf
. PMA_exportComment()
. PMA_exportComment(__('Constraints for table') . ' ' . PMA_backquote($table))
. PMA_exportComment();
}
// let's do the work
$sql_constraints_query .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf;
$sql_constraints .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf;
$sql_drop_foreign_keys .= 'ALTER TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $crlf;
$first = TRUE;
for ($j = $i; $j < $sql_count; $j++) {
if (preg_match('@CONSTRAINT|FOREIGN[\s]+KEY@', $sql_lines[$j])) {
if (!$first) {
$sql_constraints .= $crlf;
}
if (strpos($sql_lines[$j], 'CONSTRAINT') === FALSE) {
$tmp_str = preg_replace('/(FOREIGN[\s]+KEY)/', 'ADD \1', $sql_lines[$j]);
$sql_constraints_query .= $tmp_str;
$sql_constraints .= $tmp_str;
} else {
$tmp_str = preg_replace('/(CONSTRAINT)/', 'ADD \1', $sql_lines[$j]);
$sql_constraints_query .= $tmp_str;
$sql_constraints .= $tmp_str;
preg_match('/(CONSTRAINT)([\s])([\S]*)([\s])/', $sql_lines[$j], $matches);
if (! $first) {
$sql_drop_foreign_keys .= ', ';
}
$sql_drop_foreign_keys .= 'DROP FOREIGN KEY ' . $matches[3];
}
$first = FALSE;
} else {
break;
}
}
$sql_constraints .= ';' . $crlf;
$sql_constraints_query .= ';';
$create_query = implode($crlf, array_slice($sql_lines, 0, $i)) . $crlf . implode($crlf, array_slice($sql_lines, $j, $sql_count - 1));
unset($sql_lines);
}
}
$schema_create .= $create_query;
}
// remove a possible "AUTO_INCREMENT = value" clause
// that could be there starting with MySQL 5.0.24
$schema_create = preg_replace('/AUTO_INCREMENT\s*=\s*([0-9])+/', '', $schema_create);
$schema_create .= $auto_increment;
PMA_DBI_free_result($result);
return $schema_create . ($add_semicolon ? ';' . $crlf : '');
} // end of the 'PMA_getTableDef()' function
/**
* Returns $table's comments, relations etc.
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param boolean whether to include relation comments
* @param boolean whether to include mime comments
*
* @return string resulting comments
*
* @access public
*/
function PMA_getTableComments($db, $table, $crlf, $do_relation = false, $do_mime = false)
{
global $cfgRelation;
global $sql_backquotes;
global $sql_constraints;
$schema_create = '';
// Check if we can use Relations (Mike Beck)
if ($do_relation && !empty($cfgRelation['relation'])) {
// Find which tables are related with the current one and write it in
// an array
$res_rel = PMA_getForeigners($db, $table);
if ($res_rel && count($res_rel) > 0) {
$have_rel = TRUE;
} else {
$have_rel = FALSE;
}
} else {
$have_rel = FALSE;
} // end if
if ($do_mime && $cfgRelation['mimework']) {
if (!($mime_map = PMA_getMIME($db, $table, true))) {
unset($mime_map);
}
}
if (isset($mime_map) && count($mime_map) > 0) {
$schema_create .= PMA_possibleCRLF()
. PMA_exportComment()
. PMA_exportComment(__('MIME TYPES FOR TABLE'). ' ' . PMA_backquote($table, $sql_backquotes) . ':');
@reset($mime_map);
foreach ($mime_map AS $mime_field => $mime) {
$schema_create .= PMA_exportComment(' ' . PMA_backquote($mime_field, $sql_backquotes))
. PMA_exportComment(' ' . PMA_backquote($mime['mimetype'], $sql_backquotes));
}
$schema_create .= PMA_exportComment();
}
if ($have_rel) {
$schema_create .= PMA_possibleCRLF()
. PMA_exportComment()
. PMA_exportComment(__('RELATIONS FOR TABLE'). ' ' . PMA_backquote($table, $sql_backquotes) . ':');
foreach ($res_rel AS $rel_field => $rel) {
$schema_create .= PMA_exportComment(' ' . PMA_backquote($rel_field, $sql_backquotes))
. PMA_exportComment(' ' . PMA_backquote($rel['foreign_table'], $sql_backquotes)
. ' -> ' . PMA_backquote($rel['foreign_field'], $sql_backquotes));
}
$schema_create .= PMA_exportComment();
}
return $schema_create;
} // end of the 'PMA_getTableComments()' function
/**
* Outputs table's structure
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param string the url to go back in case of error
* @param boolean whether to include relation comments
* @param boolean whether to include the pmadb-style column comments
* as comments in the structure; this is deprecated
* but the parameter is left here because export.php
* calls PMA_exportStructure() also for other export
* types which use this parameter
* @param boolean whether to include mime comments
* @param string 'stand_in', 'create_table', 'create_view'
* @param string 'server', 'database', 'table'
*
* @return bool Whether it suceeded
*
* @access public
*/
function PMA_exportStructure($db, $table, $crlf, $error_url, $relation = FALSE, $comments = FALSE, $mime = FALSE, $dates = FALSE, $export_mode, $export_type)
{
$formatted_table_name = (isset($GLOBALS['sql_backquotes']))
? PMA_backquote($table)
: '\'' . $table . '\'';
$dump = PMA_possibleCRLF()
. PMA_exportComment(str_repeat('-', 56))
. PMA_possibleCRLF()
. PMA_exportComment();
switch($export_mode) {
case 'create_table':
$dump .= PMA_exportComment(__('Table structure for table') . ' ' . $formatted_table_name)
. PMA_exportComment();
$dump .= PMA_getTableDef($db, $table, $crlf, $error_url, $dates);
$dump .= PMA_getTableComments($db, $table, $crlf, $relation, $mime);
break;
case 'triggers':
$dump = '';
$triggers = PMA_DBI_get_triggers($db, $table);
if ($triggers) {
$dump .= PMA_possibleCRLF()
. PMA_exportComment()
. PMA_exportComment(__('Triggers') . ' ' . $formatted_table_name)
. PMA_exportComment();
$delimiter = '//';
foreach ($triggers as $trigger) {
$dump .= $trigger['drop'] . ';' . $crlf;
$dump .= 'DELIMITER ' . $delimiter . $crlf;
$dump .= $trigger['create'];
$dump .= 'DELIMITER ;' . $crlf;
}
}
break;
case 'create_view':
$dump .= PMA_exportComment(__('Structure for view') . ' ' . $formatted_table_name)
. PMA_exportComment();
// delete the stand-in table previously created (if any)
if ($export_type != 'table') {
$dump .= 'DROP TABLE IF EXISTS ' . PMA_backquote($table) . ';' . $crlf;
}
$dump .= PMA_getTableDef($db, $table, $crlf, $error_url, $dates, true, true);
break;
case 'stand_in':
$dump .= PMA_exportComment(__('Stand-in structure for view') . ' ' . $formatted_table_name)
. PMA_exportComment();
// export a stand-in definition to resolve view dependencies
$dump .= PMA_getTableDefStandIn($db, $table, $crlf);
} // end switch
// this one is built by PMA_getTableDef() to use in table copy/move
// but not in the case of export
unset($GLOBALS['sql_constraints_query']);
return PMA_exportOutputHandler($dump);
}
/**
* Dispatches between the versions of 'getTableContent' to use depending
* on the php version
*
* @param string the database name
* @param string the table name
* @param string the end of line sequence
* @param string the url to go back in case of error
* @param string SQL query for obtaining data
*
* @return bool Whether it suceeded
*
* @global boolean whether to use backquotes to allow the use of special
* characters in database, table and fields names or not
* @global integer the number of records
* @global integer the current record position
*
* @access public
*
* @see PMA_getTableContentFast(), PMA_getTableContentOld()
*
*/
function PMA_exportData($db, $table, $crlf, $error_url, $sql_query)
{
global $sql_backquotes;
global $rows_cnt;
global $current_row;
$formatted_table_name = (isset($GLOBALS['sql_backquotes']))
? PMA_backquote($table)
: '\'' . $table . '\'';
// Do not export data for a VIEW
// (For a VIEW, this is called only when exporting a single VIEW)
if (PMA_Table::isView($db, $table)) {
$head = PMA_possibleCRLF()
. PMA_exportComment()
. PMA_exportComment('VIEW ' . ' ' . $formatted_table_name)
. PMA_exportComment(__('Data') . ': ' . __('None'))
. PMA_exportComment()
. PMA_possibleCRLF();
if (! PMA_exportOutputHandler($head)) {
return FALSE;
}
return true;
}
// it's not a VIEW
$buffer = '';
// analyze the query to get the true column names, not the aliases
// (this fixes an undefined index, also if Complete inserts
// are used, we did not get the true column name in case of aliases)
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($sql_query));
$result = PMA_DBI_try_query($sql_query, null, PMA_DBI_QUERY_UNBUFFERED);
// a possible error: the table has crashed
$tmp_error = PMA_DBI_getError();
if ($tmp_error) {
return PMA_exportOutputHandler(PMA_exportComment(__('in use') . ' (' . $tmp_error . ')'));
}
if ($result != FALSE) {
$fields_cnt = PMA_DBI_num_fields($result);
// Get field information
$fields_meta = PMA_DBI_get_fields_meta($result);
$field_flags = array();
for ($j = 0; $j < $fields_cnt; $j++) {
$field_flags[$j] = PMA_DBI_field_flags($result, $j);
}
for ($j = 0; $j < $fields_cnt; $j++) {
if (isset($analyzed_sql[0]['select_expr'][$j]['column'])) {
$field_set[$j] = PMA_backquote($analyzed_sql[0]['select_expr'][$j]['column'], $sql_backquotes);
} else {
$field_set[$j] = PMA_backquote($fields_meta[$j]->name, $sql_backquotes);
}
}
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') {
// update
$schema_insert = 'UPDATE ';
if (isset($GLOBALS['sql_ignore'])) {
$schema_insert .= 'IGNORE ';
}
// avoid EOL blank
$schema_insert .= PMA_backquote($table, $sql_backquotes) . ' SET';
} else {
// insert or replace
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'REPLACE') {
$sql_command = 'REPLACE';
} else {
$sql_command = 'INSERT';
}
// delayed inserts?
if (isset($GLOBALS['sql_delayed'])) {
$insert_delayed = ' DELAYED';
} else {
$insert_delayed = '';
}
// insert ignore?
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'INSERT' && isset($GLOBALS['sql_ignore'])) {
$insert_delayed .= ' IGNORE';
}
// scheme for inserting fields
if ($GLOBALS['sql_insert_syntax'] == 'complete' || $GLOBALS['sql_insert_syntax'] == 'both') {
$fields = implode(', ', $field_set);
$schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $sql_backquotes)
// avoid EOL blank
. ' (' . $fields . ') VALUES';
} else {
$schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $sql_backquotes)
. ' VALUES';
}
}
$search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required
$replace = array('\0', '\n', '\r', '\Z');
$current_row = 0;
$query_size = 0;
if (($GLOBALS['sql_insert_syntax'] == 'extended' || $GLOBALS['sql_insert_syntax'] == 'both') && (!isset($GLOBALS['sql_type']) || $GLOBALS['sql_type'] != 'UPDATE')) {
$separator = ',';
$schema_insert .= $crlf;
} else {
$separator = ';';
}
while ($row = PMA_DBI_fetch_row($result)) {
if ($current_row == 0) {
$head = PMA_possibleCRLF()
. PMA_exportComment()
. PMA_exportComment(__('Dumping data for table') . ' ' . $formatted_table_name)
. PMA_exportComment()
. $crlf;
if (! PMA_exportOutputHandler($head)) {
return FALSE;
}
}
$current_row++;
for ($j = 0; $j < $fields_cnt; $j++) {
// NULL
if (!isset($row[$j]) || is_null($row[$j])) {
$values[] = 'NULL';
// a number
// timestamp is numeric on some MySQL 4.1, BLOBs are sometimes numeric
} elseif ($fields_meta[$j]->numeric && $fields_meta[$j]->type != 'timestamp'
&& ! $fields_meta[$j]->blob) {
$values[] = $row[$j];
// a true BLOB
// - mysqldump only generates hex data when the --hex-blob
// option is used, for fields having the binary attribute
// no hex is generated
// - a TEXT field returns type blob but a real blob
// returns also the 'binary' flag
} elseif (stristr($field_flags[$j], 'BINARY')
&& $fields_meta[$j]->blob
&& isset($GLOBALS['sql_hex_for_blob'])) {
// empty blobs need to be different, but '0' is also empty :-(
if (empty($row[$j]) && $row[$j] != '0') {
$values[] = '\'\'';
} else {
$values[] = '0x' . bin2hex($row[$j]);
}
// detection of 'bit' works only on mysqli extension
} elseif ($fields_meta[$j]->type == 'bit') {
$values[] = "b'" . PMA_sqlAddslashes(PMA_printable_bit_value($row[$j], $fields_meta[$j]->length)) . "'";
// something else -> treat as a string
} else {
$values[] = '\'' . str_replace($search, $replace, PMA_sqlAddslashes($row[$j])) . '\'';
} // end if
} // end for
// should we make update?
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') {
$insert_line = $schema_insert;
for ($i = 0; $i < $fields_cnt; $i++) {
if (0 == $i) {
$insert_line .= ' ';
}
if ($i > 0) {
// avoid EOL blank
$insert_line .= ',';
}
$insert_line .= $field_set[$i] . ' = ' . $values[$i];
}
list($tmp_unique_condition, $tmp_clause_is_unique) = PMA_getUniqueCondition($result, $fields_cnt, $fields_meta, $row);
$insert_line .= ' WHERE ' . $tmp_unique_condition;
unset($tmp_unique_condition, $tmp_clause_is_unique);
} else {
// Extended inserts case
if ($GLOBALS['sql_insert_syntax'] == 'extended' || $GLOBALS['sql_insert_syntax'] == 'both') {
if ($current_row == 1) {
$insert_line = $schema_insert . '(' . implode(', ', $values) . ')';
} else {
$insert_line = '(' . implode(', ', $values) . ')';
if (isset($GLOBALS['sql_max_query_size']) && $GLOBALS['sql_max_query_size'] > 0 && $query_size + strlen($insert_line) > $GLOBALS['sql_max_query_size']) {
if (!PMA_exportOutputHandler(';' . $crlf)) {
return FALSE;
}
$query_size = 0;
$current_row = 1;
$insert_line = $schema_insert . $insert_line;
}
}
$query_size += strlen($insert_line);
}
// Other inserts case
else {
$insert_line = $schema_insert . '(' . implode(', ', $values) . ')';
}
}
unset($values);
if (!PMA_exportOutputHandler(($current_row == 1 ? '' : $separator . $crlf) . $insert_line)) {
return FALSE;
}
} // end while
if ($current_row > 0) {
if (!PMA_exportOutputHandler(';' . $crlf)) {
return FALSE;
}
}
} // end if ($result != FALSE)
PMA_DBI_free_result($result);
return TRUE;
} // end of the 'PMA_exportData()' function
}
?>
