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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
* @subpackage SQL
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/* Get the export interface */
require_once 'libraries/plugins/ExportPlugin.class.php';
/**
* Handles the export for the SQL class
*
* @package PhpMyAdmin-Export
* @subpackage SQL
*/
class ExportSql extends ExportPlugin
{
/**
* Constructor
*/
public function __construct()
{
$this->setProperties();
// Avoids undefined variables, use NULL so isset() returns false
if (! isset($GLOBALS['sql_backquotes'])) {
$GLOBALS['sql_backquotes'] = null;
}
}
/**
* Sets the export SQL properties
*
* @return void
*/
protected function setProperties()
{
global $plugin_param;
$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) {
$props = 'libraries/properties/';
include_once "$props/plugins/ExportPluginProperties.class.php";
include_once "$props/options/groups/OptionsPropertyRootGroup.class.php";
include_once "$props/options/groups/OptionsPropertyMainGroup.class.php";
include_once "$props/options/groups/OptionsPropertySubgroup.class.php";
include_once "$props/options/items/BoolPropertyItem.class.php";
include_once "$props/options/items/MessageOnlyPropertyItem.class.php";
include_once "$props/options/items/RadioPropertyItem.class.php";
include_once "$props/options/items/SelectPropertyItem.class.php";
include_once "$props/options/items/TextPropertyItem.class.php";
$exportPluginProperties = new ExportPluginProperties();
$exportPluginProperties->setText('SQL');
$exportPluginProperties->setExtension('sql');
$exportPluginProperties->setMimeType('text/x-sql');
$exportPluginProperties->setOptionsText(__('Options'));
// create the root group that will be the options field for
// $exportPluginProperties
// this will be shown as "Format specific options"
$exportSpecificOptions = new OptionsPropertyRootGroup();
$exportSpecificOptions->setName("Format Specific Options");
// general options main group
$generalOptions = new OptionsPropertyMainGroup();
$generalOptions->setName("general_opts");
// comments
$subgroup = new OptionsPropertySubgroup();
$subgroup->setName("include_comments");
$leaf = new BoolPropertyItem();
$leaf->setName('include_comments');
$leaf->setText(
__(
'Display comments <i>(includes info such as export'
. ' timestamp, PHP version, and server version)</i>'
)
);
$subgroup->setSubgroupHeader($leaf);
$leaf = new TextPropertyItem();
$leaf->setName('header_comment');
$leaf->setText(
__('Additional custom header comment (\n splits lines):')
);
$subgroup->addProperty($leaf);
$leaf = new BoolPropertyItem();
$leaf->setName('dates');
$leaf->setText(
__(
'Include a timestamp of when databases were created, last'
. ' updated, and last checked'
)
);
$subgroup->addProperty($leaf);
if (! empty($GLOBALS['cfgRelation']['relation'])) {
$leaf = new BoolPropertyItem();
$leaf->setName('relation');
$leaf->setText(__('Display foreign key relationships'));
$subgroup->addProperty($leaf);
}
if (! empty($GLOBALS['cfgRelation']['mimework'])) {
$leaf = new BoolPropertyItem();
$leaf->setName('mime');
$leaf->setText(__('Display MIME types'));
$subgroup->addProperty($leaf);
}
$generalOptions->addProperty($subgroup);
// enclose in a transaction
$leaf = new BoolPropertyItem();
$leaf->setName("use_transaction");
$leaf->setText(__('Enclose export in a transaction'));
$leaf->setDoc(
array(
'programs',
'mysqldump',
'option_mysqldump_single-transaction'
)
);
$generalOptions->addProperty($leaf);
// disable foreign key checks
$leaf = new BoolPropertyItem();
$leaf->setName("disable_fk");
$leaf->setText(__('Disable foreign key checks'));
$leaf->setDoc(
array(
'manual_MySQL_Database_Administration',
'server-system-variables',
'sysvar_foreign_key_checks'
)
);
$generalOptions->addProperty($leaf);
// compatibility maximization
$compats = PMA_DBI_getCompatibilities();
if (count($compats) > 0) {
$values = array();
foreach ($compats as $val) {
$values[$val] = $val;
}
$leaf = new SelectPropertyItem();
$leaf->setName("compatibility");
$leaf->setText(
__(
'Database system or older MySQL server to maximize output'
. ' compatibility with:'
)
);
$leaf->setValues($values);
$leaf->setDoc(
array(
'manual_MySQL_Database_Administration',
'Server_SQL_mode'
)
);
$generalOptions->addProperty($leaf);
unset($values);
}
// server export options
if ($plugin_param['export_type'] == 'server') {
$leaf = new BoolPropertyItem();
$leaf->setName("drop_database");
$leaf->setText(
sprintf(__('Add %s statement'), '<code>DROP DATABASE</code>')
);
$generalOptions->addProperty($leaf);
}
// what to dump (structure/data/both)
$subgroup = new OptionsPropertySubgroup();
$subgroup->setName("dump_table");
$subgroup->setText("Dump table");
$leaf = new RadioPropertyItem();
$leaf->setName('structure_or_data');
$leaf->setValues(
array(
'structure' => __('structure'),
'data' => __('data'),
'structure_and_data' => __('structure and data')
)
);
$subgroup->setSubgroupHeader($leaf);
$generalOptions->addProperty($subgroup);
// add the main group to the root group
$exportSpecificOptions->addProperty($generalOptions);
// structure options main group
if (! $hide_structure) {
$structureOptions = new OptionsPropertyMainGroup();
$structureOptions->setName("structure");
$structureOptions->setText(__('Object creation options'));
$structureOptions->setForce('data');
// begin SQL Statements
$subgroup = new OptionsPropertySubgroup();
$leaf = new MessageOnlyPropertyItem();
$leaf->setName('add_statements');
$leaf->setText(__('Add statements:'));
$subgroup->setSubgroupHeader($leaf);
if ($plugin_param['export_type'] != 'table') {
$leaf = new BoolPropertyItem();
$leaf->setName('create_database');
$create_clause = '<code>CREATE DATABASE / USE</code>';
$leaf->setText(sprintf(__('Add %s statement'), $create_clause));
$subgroup->addProperty($leaf);
}
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 {
if (PMA_DRIZZLE) {
$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>';
}
}
}
$leaf = new BoolPropertyItem();
$leaf->setName('drop_table');
$leaf->setText(sprintf(__('Add %s statement'), $drop_clause));
$subgroup->addProperty($leaf);
// Drizzle doesn't support procedures and functions
if (! PMA_DRIZZLE) {
$leaf = new BoolPropertyItem();
$leaf->setName('procedure_function');
$leaf->setText(
sprintf(
__('Add %s statement'),
'<code>CREATE PROCEDURE / FUNCTION'
. (PMA_MYSQL_INT_VERSION > 50100
? ' / EVENT</code>' : '</code>')
)
);
$subgroup->addProperty($leaf);
}
// begin CREATE TABLE statements
$subgroup_create_table = new OptionsPropertySubgroup();
$leaf = new BoolPropertyItem();
$leaf->setName('create_table_statements');
$leaf->setText(__('<code>CREATE TABLE</code> options:'));
$subgroup_create_table->setSubgroupHeader($leaf);
$leaf = new BoolPropertyItem();
$leaf->setName('if_not_exists');
$leaf->setText('<code>IF NOT EXISTS</code>');
$subgroup_create_table->addProperty($leaf);
$leaf = new BoolPropertyItem();
$leaf->setName('auto_increment');
$leaf->setText('<code>AUTO_INCREMENT</code>');
$subgroup_create_table->addProperty($leaf);
$subgroup->addProperty($subgroup_create_table);
$structureOptions->addProperty($subgroup);
$leaf = new BoolPropertyItem();
$leaf->setName("backquotes");
$leaf->setText(
__(
'Enclose table and column names with backquotes '
. '<i>(Protects column and table names formed with'
. ' special characters or keywords)</i>'
)
);
$structureOptions->addProperty($leaf);
// add the main group to the root group
$exportSpecificOptions->addProperty($structureOptions);
}
// begin Data options
$dataOptions = new OptionsPropertyMainGroup();
$dataOptions->setName("data");
$dataOptions->setText(__('Data creation options'));
$dataOptions->setForce('structure');
$leaf = new BoolPropertyItem();
$leaf->setName("truncate");
$leaf->setText(__('Truncate table before insert'));
$dataOptions->addProperty($leaf);
// begin SQL Statements
$subgroup = new OptionsPropertySubgroup();
$leaf = new MessageOnlyPropertyItem();
$leaf->setText(__('Instead of <code>INSERT</code> statements, use:'));
$subgroup->setSubgroupHeader($leaf);
// Not supported in Drizzle
if (! PMA_DRIZZLE) {
$leaf = new BoolPropertyItem();
$leaf->setName("delayed");
$leaf->setText(__('<code>INSERT DELAYED</code> statements'));
$leaf->setDoc(
array(
'manual_MySQL_Database_Administration',
'insert_delayed'
)
);
$subgroup->addProperty($leaf);
}
$leaf = new BoolPropertyItem();
$leaf->setName("ignore");
$leaf->setText(__('<code>INSERT IGNORE</code> statements'));
$leaf->setDoc(
array(
'manual_MySQL_Database_Administration',
'insert'
)
);
$subgroup->addProperty($leaf);
$dataOptions->addProperty($subgroup);
// Function to use when dumping dat
$leaf = new SelectPropertyItem();
$leaf->setName("type");
$leaf->setText(__('Function to use when dumping data:'));
$leaf->setValues(
array(
'INSERT' => 'INSERT',
'UPDATE' => 'UPDATE',
'REPLACE' => 'REPLACE'
)
);
$dataOptions->addProperty($leaf);
/* Syntax to use when inserting data */
$subgroup = new OptionsPropertySubgroup();
$leaf = new MessageOnlyPropertyItem();
$leaf->setText(__('Syntax to use when inserting data:'));
$subgroup->setSubgroupHeader($leaf);
$leaf = new RadioPropertyItem();
$leaf->setName("insert_syntax");
$leaf->setText(__('<code>INSERT IGNORE</code> statements'));
$leaf->setValues(
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>'
)
)
);
$subgroup->addProperty($leaf);
$dataOptions->addProperty($subgroup);
// Max length of query
$leaf = new TextPropertyItem();
$leaf->setName("max_query_size");
$leaf->setText(__('Maximal length of created query'));
$dataOptions->addProperty($leaf);
// Dump binary columns in hexadecimal
$leaf = new BoolPropertyItem();
$leaf->setName("hex_for_blob");
$leaf->setText(
__(
'Dump binary columns in hexadecimal notation'
. ' <i>(for example, "abc" becomes 0x616263)</i>'
)
);
$dataOptions->addProperty($leaf);
// Drizzle works only with UTC timezone
if (! PMA_DRIZZLE) {
// Dump time in UTC
$leaf = new BoolPropertyItem();
$leaf->setName("utc_time");
$leaf->setText(
__(
'Dump TIMESTAMP columns in UTC <i>(enables TIMESTAMP columns'
. ' to be dumped and reloaded between servers in different'
. ' time zones)</i>'
)
);
$dataOptions->addProperty($leaf);
}
// add the main group to the root group
$exportSpecificOptions->addProperty($dataOptions);
// set the options for the export plugin property item
$exportPluginProperties->setOptions($exportSpecificOptions);
$this->properties = $exportPluginProperties;
}
}
/**
* This method is called when any PluginManager to which the observer
* is attached calls PluginManager::notify()
*
* @param SplSubject $subject The PluginManager notifying the observer
* of an update.
*
* @return void
*/
public function update (SplSubject $subject)
{
}
/**
* Exports routines (procedures and functions)
*
* @param string $db Database
*
* @return bool Whether it succeeded
*/
public function exportRoutines($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 .=
$this->_exportComment()
. $this->_exportComment(__('Procedures'))
. $this->_exportComment();
foreach ($procedure_names as $procedure_name) {
if (! empty($GLOBALS['sql_drop_table'])) {
$text .= 'DROP PROCEDURE IF EXISTS '
. PMA_Util::backquote($procedure_name)
. $delimiter . $crlf;
}
$text .= PMA_DBI_get_definition($db, 'PROCEDURE', $procedure_name)
. $delimiter . $crlf . $crlf;
}
}
if ($function_names) {
$text .=
$this->_exportComment()
. $this->_exportComment(__('Functions'))
. $this->_exportComment();
foreach ($function_names as $function_name) {
if (! empty($GLOBALS['sql_drop_table'])) {
$text .= 'DROP FUNCTION IF EXISTS '
. PMA_Util::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 Text of comment
*
* @return string The formatted comment
*/
private function _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
*/
private function _possibleCRLF()
{
if (isset($GLOBALS['sql_include_comments'])
&& $GLOBALS['sql_include_comments']
) {
return $GLOBALS['crlf'];
} else {
return '';
}
}
/**
* Outputs export footer
*
* @return bool Whether it succeeded
*/
public function exportFooter()
{
global $crlf, $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])
&& ! PMA_DRIZZLE
) {
$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 (isset($GLOBALS['sql_utc_time']) && $GLOBALS['sql_utc_time']) {
PMA_DBI_query('SET time_zone = "' . $GLOBALS['old_tz'] . '"');
}
return PMA_exportOutputHandler($foot);
}
/**
* Outputs export header. It is the first method to be called, so all
* the required variables are initialized here.
*
* @return bool Whether it succeeded
*/
public function exportHeader()
{
global $crlf, $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 = $this->_exportComment('phpMyAdmin SQL Dump')
. $this->_exportComment('version ' . PMA_VERSION)
. $this->_exportComment('http://www.phpmyadmin.net')
. $this->_exportComment();
$host_string = __('Host') . ': ' . $cfg['Server']['host'];
if (! empty($cfg['Server']['port'])) {
$host_string .= ':' . $cfg['Server']['port'];
}
$head .= $this->_exportComment($host_string);
$head .=
$this->_exportComment(
__('Generation Time') . ': '
. PMA_Util::localisedDate()
)
. $this->_exportComment(
__('Server version') . ': ' . PMA_MYSQL_STR_VERSION
)
. $this->_exportComment(__('PHP Version') . ': ' . phpversion())
. $this->_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 .= $this->_exportComment();
foreach ($lines as $one_line) {
$head .= $this->_exportComment($one_line);
}
$head .= $this->_exportComment();
}
if (isset($GLOBALS['sql_disable_fk'])) {
$head .= 'SET FOREIGN_KEY_CHECKS=0;' . $crlf;
}
// We want exported AUTO_INCREMENT columns to have still same value,
// do this only for recent MySQL exports
if ((! isset($GLOBALS['sql_compatibility'])
|| $GLOBALS['sql_compatibility'] == 'NONE')
&& ! PMA_DRIZZLE
) {
$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 (isset($GLOBALS['sql_utc_time']) && $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 .= $this->_possibleCRLF();
if (! empty($GLOBALS['asfile']) && ! PMA_DRIZZLE) {
// 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['utf-8'];
}
$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 statement
*
* @param string $db Database name
*
* @return bool Whether it succeeded
*/
public function exportDBCreate($db)
{
global $crlf;
if (isset($GLOBALS['sql_compatibility'])) {
$compat = $GLOBALS['sql_compatibility'];
} else {
$compat = 'NONE';
}
if (isset($GLOBALS['sql_drop_database'])) {
if (! PMA_exportOutputHandler(
'DROP DATABASE '
. (isset($GLOBALS['sql_backquotes'])
? PMA_Util::backquoteCompat($db, $compat) : $db)
. ';' . $crlf
)) {
return false;
}
}
if (isset($GLOBALS['sql_create_database'])) {
$create_query = 'CREATE DATABASE IF NOT EXISTS '
. (isset($GLOBALS['sql_backquotes'])
? PMA_Util::backquoteCompat($db, $compat) : $db);
$collation = PMA_getDbCollation($db);
if (PMA_DRIZZLE) {
$create_query .= ' COLLATE ' . $collation;
} else {
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')
|| PMA_DRIZZLE)
) {
$result = PMA_exportOutputHandler(
'USE ' . PMA_Util::backquoteCompat($db, $compat)
. ';' . $crlf
);
} else {
$result = PMA_exportOutputHandler('USE ' . $db . ';' . $crlf);
}
return $result;
} else {
return true;
}
}
/**
* Outputs database header
*
* @param string $db Database name
*
* @return bool Whether it succeeded
*/
public function exportDBHeader($db)
{
if (isset($GLOBALS['sql_compatibility'])) {
$compat = $GLOBALS['sql_compatibility'];
} else {
$compat = 'NONE';
}
$head = $this->_exportComment()
. $this->_exportComment(
__('Database') . ': '
. (isset($GLOBALS['sql_backquotes'])
? PMA_Util::backquoteCompat($db, $compat)
: '\'' . $db . '\'')
)
. $this->_exportComment();
return PMA_exportOutputHandler($head);
}
/**
* Outputs database footer
*
* @param string $db Database name
*
* @return bool Whether it succeeded
*/
public function 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) {
$event_names = PMA_DBI_fetch_result(
'SELECT EVENT_NAME FROM information_schema.EVENTS WHERE'
. ' EVENT_SCHEMA= \''
. PMA_Util::sqlAddSlashes($db, true)
. '\';'
);
} else {
$event_names = array();
}
if ($event_names) {
$text .= $crlf
. 'DELIMITER ' . $delimiter . $crlf;
$text .=
$this->_exportComment()
. $this->_exportComment(__('Events'))
. $this->_exportComment();
foreach ($event_names as $event_name) {
if (! empty($GLOBALS['sql_drop_table'])) {
$text .= 'DROP EVENT '
. PMA_Util::backquote($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 $db the database name
* @param string $view the view name
* @param string $crlf the end of line sequence
*
* @return string resulting definition
*/
public function getTableDefStandIn($db, $view, $crlf)
{
$create_query = '';
if (! empty($GLOBALS['sql_drop_table'])) {
$create_query .= 'DROP VIEW IF EXISTS '
. PMA_Util::backquote($view)
. ';' . $crlf;
}
$create_query .= 'CREATE TABLE ';
if (isset($GLOBALS['sql_if_not_exists'])
&& $GLOBALS['sql_if_not_exists']
) {
$create_query .= 'IF NOT EXISTS ';
}
$create_query .= PMA_Util::backquote($view) . ' (' . $crlf;
$tmp = array();
$columns = PMA_DBI_get_columns_full($db, $view);
foreach ($columns as $column_name => $definition) {
$tmp[] = PMA_Util::backquote($column_name) . ' ' .
$definition['Type'] . $crlf;
}
$create_query .= implode(',', $tmp) . ');';
return($create_query);
}
/**
* Returns $table's CREATE definition
*
* @param string $db the database name
* @param string $table the table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param bool $show_dates whether to include creation/update/check
* dates
* @param bool $add_semicolon whether to add semicolon and end-of-line at
* the end
* @param bool $view whether we're handling a view
*
* @return string resulting schema
*/
public function getTableDef(
$db,
$table,
$crlf,
$error_url,
$show_dates = false,
$add_semicolon = true,
$view = false
) {
global $sql_drop_table, $sql_backquotes, $sql_constraints,
$sql_constraints_query, $sql_drop_foreign_keys;
$schema_create = '';
$auto_increment = '';
$new_crlf = $crlf;
if (isset($GLOBALS['sql_compatibility'])) {
$compat = $GLOBALS['sql_compatibility'];
} else {
$compat = 'NONE';
}
// need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
$result = PMA_DBI_query(
'SHOW TABLE STATUS FROM ' . PMA_Util::backquote($db)
. ' LIKE \'' . PMA_Util::sqlAddSlashes($table, true) . '\'',
null,
PMA_DBI_QUERY_STORE
);
if ($result != false) {
if (PMA_DBI_num_rows($result) > 0) {
$tmpres = PMA_DBI_fetch_assoc($result);
if (PMA_DRIZZLE && $show_dates) {
// Drizzle doesn't give Create_time and Update_time in
// SHOW TABLE STATUS, add it
$sql ="SELECT
TABLE_CREATION_TIME AS Create_time,
TABLE_UPDATE_TIME AS Update_time
FROM data_dictionary.TABLES
WHERE TABLE_SCHEMA = '"
. PMA_Util::sqlAddSlashes($db) . "'
AND TABLE_NAME = '"
. PMA_Util::sqlAddSlashes($table) . "'";
$tmpres = array_merge(PMA_DBI_fetch_single_row($sql), $tmpres);
}
// Here we optionally add the AUTO_INCREMENT next value,
// but starting with MySQL 5.0.24, the clause is already included
// in SHOW CREATE TABLE so we'll remove it below
// It's required for Drizzle because SHOW CREATE TABLE uses
// the value from table's creation time
if (isset($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 .= $this->_exportComment(
__('Creation') . ': '
. PMA_Util::localisedDate(
strtotime($tmpres['Create_time'])
)
);
$new_crlf = $this->_exportComment() . $crlf;
}
if ($show_dates
&& isset($tmpres['Update_time'])
&& ! empty($tmpres['Update_time'])
) {
$schema_create .= $this->_exportComment(
__('Last update') . ': '
. PMA_Util::localisedDate(
strtotime($tmpres['Update_time'])
)
);
$new_crlf = $this->_exportComment() . $crlf;
}
if ($show_dates
&& isset($tmpres['Check_time'])
&& ! empty($tmpres['Check_time'])
) {
$schema_create .= $this->_exportComment(
__('Last check') . ': '
. PMA_Util::localisedDate(
strtotime($tmpres['Check_time'])
)
);
$new_crlf = $this->_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)) {
$schema_create .= 'DROP TABLE IF EXISTS '
. PMA_Util::backquote($table, $sql_backquotes) . ';'
. $crlf;
}
// Complete table dump,
// Whether to quote table and column names or not
// Drizzle always quotes names
if (! PMA_DRIZZLE) {
if ($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 removed the unbuffered mode.
// $result = PMA_DBI_query('SHOW CREATE TABLE ' . backquote($db)
// . '.' . 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
// column, nor does the mysqldump command. See MySQL bug 35796
$result = PMA_DBI_try_query(
'SHOW CREATE TABLE ' . PMA_Util::backquote($db) . '.'
. PMA_Util::backquote($table)
);
// an error can happen, for example the table is crashed
$tmp_error = PMA_DBI_getError();
if ($tmp_error) {
return $this->_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) {
$create_query = preg_replace(
'/' . PMA_Util::backquote($db) . '\./',
'',
$create_query
);
}
// Should we use IF NOT EXISTS?
// It always must be OFF for MSSQL compatibility mode
if (isset($GLOBALS['sql_if_not_exists']) && $compat != 'MSSQL') {
$create_query = preg_replace(
'/^CREATE TABLE/',
'CREATE TABLE IF NOT EXISTS',
$create_query
);
}
// In MSSQL
// 1. DATE field doesn't exists, we will use DATETIME instead
// 2. UNSIGNED attribute doesn't exist
// 3. No length on INT, TINYINT, SMALLINT, BIGINT and no precision on
// FLOAT fields
// 4. No KEY and INDEX inside CREATE TABLE
// 5. DOUBLE field doesn't exists, we will use FLOAT instead
if ($compat == 'MSSQL') {
// first we need to replace all lines ended with '" DATE ...,\n'
// last preg_replace preserve us from situation with date text
// inside DEFAULT field value
$create_query = preg_replace(
"/\" date DEFAULT NULL(,)?\n/",
'" datetime DEFAULT NULL$1' . "\n",
$create_query
);
$create_query = preg_replace(
"/\" date NOT NULL(,)?\n/",
'" datetime NOT NULL$1' . "\n",
$create_query
);
$create_query = preg_replace(
'/" date NOT NULL DEFAULT \'([^\'])/',
'" datetime NOT NULL DEFAULT \'$1',
$create_query
);
// next we need to replace all lines ended with ') UNSIGNED ...,'
// last preg_replace preserve us from situation with unsigned text
// inside DEFAULT field value
$create_query = preg_replace(
"/\) unsigned NOT NULL(,)?\n/",
') NOT NULL$1' . "\n",
$create_query
);
$create_query = preg_replace(
"/\) unsigned DEFAULT NULL(,)?\n/",
') DEFAULT NULL$1' . "\n",
$create_query
);
$create_query = preg_replace(
'/\) unsigned NOT NULL DEFAULT \'([^\'])/',
') NOT NULL DEFAULT \'$1',
$create_query
);
// we need to replace all lines ended with
// '" INT|TINYINT([0-9]{1,}) ...,' last preg_replace preserve us
// from situation with int([0-9]{1,}) text inside DEFAULT field
// value
$create_query = preg_replace(
'/" (int|tinyint|smallint|bigint)\([0-9]+\) DEFAULT NULL(,)?\n/',
'" $1 DEFAULT NULL$2' . "\n",
$create_query
);
$create_query = preg_replace(
'/" (int|tinyint|smallint|bigint)\([0-9]+\) NOT NULL(,)?\n/',
'" $1 NOT NULL$2' . "\n",
$create_query
);
$create_query = preg_replace(
'/" (int|tinyint|smallint|bigint)\([0-9]+\) NOT NULL DEFAULT \'([^\'])/',
'" $1 NOT NULL DEFAULT \'$2',
$create_query
);
// we need to replace all lines ended with
// '" FLOAT|DOUBLE([0-9,]{1,}) ...,'
// last preg_replace preserve us from situation with
// float([0-9,]{1,}) text inside DEFAULT field value
$create_query = preg_replace(
'/" (float|double)(\([0-9]+,[0-9,]+\))? DEFAULT NULL(,)?\n/',
'" float DEFAULT NULL$3' . "\n",
$create_query
);
$create_query = preg_replace(
'/" (float|double)(\([0-9,]+,[0-9,]+\))? NOT NULL(,)?\n/',
'" float NOT NULL$3' . "\n",
$create_query
);
$create_query = preg_replace(
'/" (float|double)(\([0-9,]+,[0-9,]+\))? NOT NULL DEFAULT \'([^\'])/',
'" float NOT NULL DEFAULT \'$3',
$create_query
);
// @todo remove indexes from CREATE TABLE
}
// Drizzle (checked on 2011.03.13) returns ROW_FORMAT surrounded
// with quotes, which is not accepted by parser
if (PMA_DRIZZLE) {
$create_query = preg_replace(
'/ROW_FORMAT=\'(\S+)\'/',
'ROW_FORMAT=$1',
$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
. $this->_exportComment()
. $this->_exportComment(
__('Constraints for dumped tables')
)
. $this->_exportComment();
}
}
// comments for current table
if (! isset($GLOBALS['no_constraints_comments'])) {
$sql_constraints .= $crlf
. $this->_exportComment()
. $this->_exportComment(
__('Constraints for table')
. ' '
. PMA_Util::backquoteCompat($table, $compat)
)
. $this->_exportComment();
}
// let's do the work
$sql_constraints_query .= 'ALTER TABLE '
. PMA_Util::backquoteCompat($table, $compat)
. $crlf;
$sql_constraints .= 'ALTER TABLE '
. PMA_Util::backquoteCompat($table, $compat)
. $crlf;
$sql_drop_foreign_keys .= 'ALTER TABLE '
. PMA_Util::backquoteCompat($db, $compat) . '.'
. PMA_Util::backquoteCompat($table, $compat)
. $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
// in Drizzle it's useless as it contains the value given at table
// creation time
$schema_create = preg_replace(
'/AUTO_INCREMENT\s*=\s*([0-9])+/',
'',
$schema_create
);
$schema_create .= ($compat != 'MSSQL') ? $auto_increment : '';
PMA_DBI_free_result($result);
return $schema_create . ($add_semicolon ? ';' . $crlf : '');
} // end of the 'getTableDef()' function
/**
* Returns $table's comments, relations etc.
*
* @param string $db database name
* @param string $table table name
* @param string $crlf end of line sequence
* @param bool $do_relation whether to include relation comments
* @param bool $do_mime whether to include mime comments
*
* @return string resulting comments
*/
private function _getTableComments(
$db,
$table,
$crlf,
$do_relation = false,
$do_mime = false
) {
global $cfgRelation, $sql_backquotes;
$schema_create = '';
// Check if we can use Relations
if ($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 .= $this->_possibleCRLF()
. $this->_exportComment()
. $this->_exportComment(
__('MIME TYPES FOR TABLE'). ' '
. PMA_Util::backquote($table, $sql_backquotes) . ':'
);
@reset($mime_map);
foreach ($mime_map AS $mime_field => $mime) {
$schema_create .=
$this->_exportComment(
' '
. PMA_Util::backquote($mime_field, $sql_backquotes)
)
. $this->_exportComment(
' '
. PMA_Util::backquote(
$mime['mimetype'],
$sql_backquotes
)
);
}
$schema_create .= $this->_exportComment();
}
if ($have_rel) {
$schema_create .= $this->_possibleCRLF()
. $this->_exportComment()
. $this->_exportComment(
__('RELATIONS FOR TABLE') . ' '
. PMA_Util::backquote($table, $sql_backquotes)
. ':'
);
foreach ($res_rel AS $rel_field => $rel) {
$schema_create .=
$this->_exportComment(
' '
. PMA_Util::backquote($rel_field, $sql_backquotes)
)
. $this->_exportComment(
' '
. PMA_Util::backquote(
$rel['foreign_table'],
$sql_backquotes
)
. ' -> '
. PMA_Util::backquote(
$rel['foreign_field'],
$sql_backquotes
)
);
}
$schema_create .= $this->_exportComment();
}
return $schema_create;
} // end of the '_getTableComments()' function
/**
* Outputs table's structure
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param string $export_mode 'create_table','triggers','create_view',
* 'stand_in'
* @param string $export_type 'server', 'database', 'table'
* @param bool $relation whether to include relation comments
* @param bool $comments 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 exportStructure()
* also for other export types which use this
* parameter
* @param bool $mime whether to include mime comments
* @param bool $dates whether to include creation/update/check dates
*
* @return bool Whether it succeeded
*/
public function exportStructure(
$db,
$table,
$crlf,
$error_url,
$export_mode,
$export_type,
$relation = false,
$comments = false,
$mime = false,
$dates = false
) {
if (isset($GLOBALS['sql_compatibility'])) {
$compat = $GLOBALS['sql_compatibility'];
} else {
$compat = 'NONE';
}
$formatted_table_name = (isset($GLOBALS['sql_backquotes']))
? PMA_Util::backquoteCompat($table, $compat)
: '\'' . $table . '\'';
$dump = $this->_possibleCRLF()
. $this->_exportComment(str_repeat('-', 56))
. $this->_possibleCRLF()
. $this->_exportComment();
switch($export_mode) {
case 'create_table':
$dump .= $this->_exportComment(
__('Table structure for table') . ' '. $formatted_table_name
);
$dump .= $this->_exportComment();
$dump .= $this->getTableDef($db, $table, $crlf, $error_url, $dates);
$dump .= $this->_getTableComments($db, $table, $crlf, $relation, $mime);
break;
case 'triggers':
$dump = '';
$triggers = PMA_DBI_get_triggers($db, $table);
if ($triggers) {
$dump .= $this->_possibleCRLF()
. $this->_exportComment()
. $this->_exportComment(
__('Triggers') . ' ' . $formatted_table_name
)
. $this->_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 .=
$this->_exportComment(
__('Structure for view')
. ' '
. $formatted_table_name
)
. $this->_exportComment();
// delete the stand-in table previously created (if any)
if ($export_type != 'table') {
$dump .= 'DROP TABLE IF EXISTS '
. PMA_Util::backquote($table) . ';' . $crlf;
}
$dump .= $this->getTableDef(
$db, $table, $crlf, $error_url, $dates, true, true
);
break;
case 'stand_in':
$dump .=
$this->_exportComment(
__('Stand-in structure for view') . ' ' . $formatted_table_name
)
. $this->_exportComment();
// export a stand-in definition to resolve view dependencies
$dump .= $this->getTableDefStandIn($db, $table, $crlf);
} // end switch
// this one is built by getTableDef() to use in table copy/move
// but not in the case of export
unset($GLOBALS['sql_constraints_query']);
return PMA_exportOutputHandler($dump);
}
/**
* Outputs the content of a table in SQL format
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param string $sql_query SQL query for obtaining data
*
* @return bool Whether it succeeded
*/
public function exportData($db, $table, $crlf, $error_url, $sql_query)
{
global $current_row, $sql_backquotes;
if (isset($GLOBALS['sql_compatibility'])) {
$compat = $GLOBALS['sql_compatibility'];
} else {
$compat = 'NONE';
}
$formatted_table_name = (isset($GLOBALS['sql_backquotes']))
? PMA_Util::backquoteCompat($table, $compat)
: '\'' . $table . '\'';
// Do not export data for a VIEW
// (For a VIEW, this is called only when exporting a single VIEW)
if (PMA_Table::isView($db, $table)) {
$head = $this->_possibleCRLF()
. $this->_exportComment()
. $this->_exportComment('VIEW ' . ' ' . $formatted_table_name)
. $this->_exportComment(__('Data') . ': ' . __('None'))
. $this->_exportComment()
. $this->_possibleCRLF();
if (! PMA_exportOutputHandler($head)) {
return false;
}
return true;
}
// 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(
$this->_exportComment(
__('Error reading data:') . ' (' . $tmp_error . ')'
)
);
}
if ($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_Util::backquoteCompat(
$analyzed_sql[0]['select_expr'][$j]['column'],
$compat,
$sql_backquotes
);
} else {
$field_set[$j] = PMA_Util::backquoteCompat(
$fields_meta[$j]->name,
$compat,
$sql_backquotes
);
}
}
if (isset($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_Util::backquoteCompat(
$table,
$compat,
$sql_backquotes
) . ' SET';
} else {
// insert or replace
if (isset($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'])
) {
$insert_delayed .= ' IGNORE';
}
//truncate table before insert
if (isset($GLOBALS['sql_truncate'])
&& $GLOBALS['sql_truncate']
&& $sql_command == 'INSERT'
) {
$truncate = 'TRUNCATE TABLE '
. PMA_Util::backquoteCompat(
$table,
$compat,
$sql_backquotes
) . ";";
$truncatehead = $this->_possibleCRLF()
. $this->_exportComment()
. $this->_exportComment(
__('Truncate table before insert') . ' '
. $formatted_table_name
)
. $this->_exportComment()
. $crlf;
PMA_exportOutputHandler($truncatehead);
PMA_exportOutputHandler($truncate);
} else {
$truncate = '';
}
// scheme for inserting fields
if ($GLOBALS['sql_insert_syntax'] == 'complete'
|| $GLOBALS['sql_insert_syntax'] == 'both'
) {
$fields = implode(', ', $field_set);
$schema_insert = $sql_command . $insert_delayed .' INTO '
. PMA_Util::backquoteCompat(
$table,
$compat,
$sql_backquotes
)
// avoid EOL blank
. ' (' . $fields . ') VALUES';
} else {
$schema_insert = $sql_command . $insert_delayed .' INTO '
. PMA_Util::backquoteCompat(
$table,
$compat,
$sql_backquotes
)
. ' VALUES';
}
}
//\x08\\x09, not required
$search = array("\x00", "\x0a", "\x0d", "\x1a");
$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 = $this->_possibleCRLF()
. $this->_exportComment()
. $this->_exportComment(
__('Dumping data for table') . ' '
. $formatted_table_name
)
. $this->_exportComment()
. $crlf;
if (! PMA_exportOutputHandler($head)) {
return false;
}
}
// We need to SET IDENTITY_INSERT ON for MSSQL
if (isset($GLOBALS['sql_compatibility'])
&& $GLOBALS['sql_compatibility'] == 'MSSQL'
&& $current_row == 0
) {
if (! PMA_exportOutputHandler(
'SET IDENTITY_INSERT '
. PMA_Util::backquoteCompat(
$table,
$compat
)
. ' ON ;'.$crlf
)) {
return false;
}
}
$current_row++;
for ($j = 0; $j < $fields_cnt; $j++) {
// NULL
if (! isset($row[$j]) || is_null($row[$j])) {
$values[] = 'NULL';
} elseif ($fields_meta[$j]->numeric
&& $fields_meta[$j]->type != 'timestamp'
&& ! $fields_meta[$j]->blob
) {
// a number
// timestamp is numeric on some MySQL 4.1, BLOBs are
// sometimes numeric
$values[] = $row[$j];
} elseif (stristr($field_flags[$j], 'BINARY')
&& $fields_meta[$j]->blob
&& isset($GLOBALS['sql_hex_for_blob'])
) {
// a true BLOB
// - mysqldump only generates hex data when the --hex-blob
// option is used, for fields having the binary attribute
// no hex is generated
// - a TEXT field returns type blob but a real blob
// returns also the 'binary' flag
// empty blobs need to be different, but '0' is also empty
// :-(
if (empty($row[$j]) && $row[$j] != '0') {
$values[] = '\'\'';
} else {
$values[] = '0x' . bin2hex($row[$j]);
}
} elseif ($fields_meta[$j]->type == 'bit') {
// detection of 'bit' works only on mysqli extension
$values[] = "b'" . PMA_Util::sqlAddSlashes(
PMA_Util::printableBitValue(
$row[$j], $fields_meta[$j]->length
)
)
. "'";
} else {
// something else -> treat as a string
$values[] = '\''
. str_replace(
$search, $replace,
PMA_Util::sqlAddSlashes($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_Util::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) . ')';
$sql_max_size = $GLOBALS['sql_max_query_size'];
if (isset($sql_max_size)
&& $sql_max_size > 0
&& $query_size + strlen($insert_line) > $sql_max_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(';' . $crlf)) {
return false;
}
}
// We need to SET IDENTITY_INSERT OFF for MSSQL
if (isset($GLOBALS['sql_compatibility'])
&& $GLOBALS['sql_compatibility'] == 'MSSQL'
&& $current_row > 0
) {
$outputSucceeded = PMA_exportOutputHandler(
$crlf . 'SET IDENTITY_INSERT '
. PMA_Util::backquoteCompat($table, $compat)
. ' OFF;' . $crlf
);
if (! $outputSucceeded) {
return false;
}
}
} // end if ($result != false)
PMA_DBI_free_result($result);
return true;
} // end of the 'exportData()' function
}